Handle structure with emergency unlocking function

Abstract

The handle structure with the emergency unlocking function comprises a front handle assembly and a rear handle assembly, the front handle assembly comprises a front handle seat and a front handle main body arranged on the front handle seat, the front handle main body is provided with a front hole for a square rod to be inserted in, and the rear handle main body is provided with a rear hole for a square rod to be inserted in. The rear handle assembly comprises a rear handle seat and a rear handle main body arranged on the rear handle seat, and a rear hole allowing the square rod to be inserted therein is formed in the rear handle main body; the front handle assembly further comprises an unlocking piece, the unlocking piece is installed on the front handle body, and an unlocking hole is further formed in the front portion of the front handle body. The rear handle assembly comprises a lock plate, a back locking rod and an unlocking rod, wherein the back locking rod and the unlocking rod are in linkage. A locking hole is formed in the rear handle base. When the lock plate moves upwards, the end of the back locking rod is pushed into the locking hole by the lock plate, and when the unlocking piece sequentially penetrates through the front hole and the rear hole and jacks the unlocking rod inwards, the lock plate is pushed by the unlocking rod to move downwards. The utility model has the advantages of simpler and more reliable structure, low production cost and high production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of handles, in particular to a handle structure with an emergency unlocking function. Background Art

[0002] At present, there are two types of functional structures of general handle locks. One is to use a key to open after locking, and the other is to use a coin-like object to turn and open after locking. With the continuous changes in modern home decoration styles, the above two structures can no longer meet market demand. The above two structures are traditional and old, with complicated designs, many parts, unstable structures, and inconvenient assembly. In addition, the existing handle lock structure has a single function and does not have an emergency opening function. In order to solve the above problems, the applicant has previously applied for a patent application number of 2023236606324, which is a door handle. By setting a hidden safety unlocking mechanism on the locking device of the door handle, it can realize the function of unlocking from the outside of the door under special conditions, thereby achieving the effect of preventing danger. However, due to its large number of parts and complex structure, it has the defects of high production cost and low production efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a handle structure with an emergency unlocking function. The structure of the utility model is simpler and more reliable, and has the advantages of low production cost and high production efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handle structure with an emergency unlocking function, comprising a front handle assembly and a rear handle assembly, the front handle assembly comprising a front handle seat and a front handle body rotatably arranged on the front handle seat, the front handle body being provided with a front hole for inserting a square rod, the rear handle assembly comprising a rear handle seat and a rear handle body rotatably arranged on the rear handle seat, the rear handle body being provided with a rear hole for inserting a square rod; the front handle assembly also comprises an unlocking piece, the unlocking piece is detachably mounted on the front handle body, the front handle assembly An unlocking hole is also provided at the front part of the handle body for inserting the unlocking piece into the front hole; the rear handle assembly includes a lock plate slidably arranged on the rear handle body and an anti-lock rod and an unlocking rod linked with the lock plate, and a locking hole is provided on the rear handle seat; when the lock plate moves upward, the end of the anti-lock rod is pushed into the locking hole by the lock plate, so that the rear handle body cannot rotate relative to the rear handle seat, and when the unlocking piece passes through the front hole and the rear hole in turn and pushes the unlocking rod inward, the lock plate is pushed downward by the unlocking rod, and a reset piece is also provided in the rear handle body for pushing the anti-lock rod away from the locking hole after the lock plate moves downward.

[0005] By adopting the above technical solution, when the door is locked from the inside, only need to push the lock plate upward, press the end of the anti-lock rod into the locking hole of the rear handle seat, so that the rear handle body cannot rotate relative to the rear handle seat, realizing the function of anti-locking; when emergency unlocking is required outside the door, only need to remove the unlocking piece from the front handle body, pass the unlocking piece through the front hole and the rear hole in sequence and push the unlocking rod inward, the lock plate is pushed downward by the unlocking rod, after the lock plate moves downward, the anti-lock rod is pushed away from the locking hole of the rear handle seat by the resetting piece, so that the rear handle body can rotate relative to the rear handle seat, realizing the function of emergency unlocking. Its structure is simpler and more reliable, and has the advantages of low production cost and high production efficiency.

[0006] The present utility model is further arranged such that a guiding cavity is provided inside the rear handle body, the lock plate is slidably arranged vertically inside the guiding cavity, a sliding hole communicating the guiding cavity with the outside of the handle body is further provided on the rear handle body, a dial block extending out of the sliding hole is provided on the lock plate, and the dial block can extend vertically along the sliding hole.

[0007] By adopting the above technical solution, the lock plate can be driven to slide up and down by operating the dial block to realize anti-locking or unlocking inside the door, and the operation is very convenient.

[0008] The present utility model is further arranged such that a rear handle face cover is detachably installed on the front of the rear handle body, and the guiding cavity is formed between the rear handle face cover and the rear handle body.

[0009] By adopting the above technical solution, setting the handle face cover can not only limit the movement of the lock plate, making its movement more stable and reliable, but also play a decorative role, and the structure is more beautiful.

[0010] The present utility model is further arranged such that a first guiding hole for communicating the locking hole with the guiding cavity and a second guiding hole for communicating the rear hole with the guiding cavity are provided on the rear handle body, the anti-lock rod and the unlocking rod are respectively slidably arranged in the first guiding hole and the second guiding hole, a first inclined surface and a second inclined surface are provided on the lock plate, when the lock plate moves upward, the first inclined surface cooperates with the anti-lock rod to push the end of the anti-lock rod into the locking hole, when the unlocking rod moves inward, it acts on the second inclined surface to promote the lock plate to move downward, and the anti-lock rod moves inward under the action of the resetting piece and disengages from the locking hole.

[0011] By adopting the above technical solution, the linkage among the lock plate, the unlocking rod and the anti-lock rod can be realized, the linkage structure is simple and reliable, and is beneficial to assembly production.

[0012] The present utility model is further arranged such that the resetting piece is a spring, a first step is provided in the first guiding hole, a second step is provided on the outer periphery of the anti-lock rod, the resetting piece is sleeved on the outer periphery of the anti-lock rod, and the two ends of the resetting piece respectively abut against the first step and the second step.

[0013] By adopting the above technical solution, a spring is used as the reset member, and the components are easy to obtain. It can not only provide a stable restoring force, but also has a lower cost.

[0014] The present utility model is further configured such that a limiting step extending outward in the circumferential direction is provided at one end of the unlocking rod located in the guiding cavity.

[0015] By adopting the above technical solution, axial limitation can be imposed on the unlocking rod to prevent the unlocking rod from completely passing through the second guiding hole.

[0016] The present utility model is further configured such that a rivet nut is installed on the rear handle seat, an outer end of the rivet nut is connected with a screw sleeve through a connecting screw, and the locking hole is arranged at an inner end of the rivet nut.

[0017] By adopting the above technical solution, not only can the function of the cooperation between the locking hole and the anti-locking rod be realized, but also the connection between the front handle seat and the rear handle seat is facilitated.

[0018] The present utility model is further configured such that a plurality of card slots are arranged on the front handle body, and the unlocking member is embedded on the plurality of card slots.

[0019] By adopting the above technical solution, the disassembly and assembly are very convenient, which is conducive to the storage and taking of the unlocking member.

[0020] The present utility model is further configured such that a hidden decorative panel for covering the unlocking member is detachably installed on the front handle body.

[0021] By adopting the above technical solution, the hidden decorative panel can hide the unlocking member, having a more secure and beautiful effect.

[0022] The present utility model is further configured such that at least one magnet is installed on the front handle body, the hidden decorative panel is made of a metal material that can be attracted by the magnet, and the hidden decorative panel is attracted and fixed on the front handle body by the magnet.

[0023] By adopting the above technical solution, the connection structure of the hidden decorative panel is simple and reliable, and the disassembly and assembly are very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural view of the whole of the present utility model;

[0025] Figure 2 is an exploded view of the whole of the present utility model;

[0026] Figure 3 is a cross-sectional view of the front handle assembly of the present utility model;

[0027] Figure 4This is a schematic structural diagram of the front handle assembly of the present utility model after removing the hidden decorative panel;

[0028] Figure 5 This is a cross-sectional view of the rear handle assembly of the present utility model.

[0029] In the figure: 1. Front handle assembly; 2. Rear handle assembly; 3. Front handle seat; 4. Front handle body; 5. Front hole; 6. Rear handle seat; 7. Rear handle body; 8. Rear hole; 9. Unlocking member; 10. Unlocking hole; 11. Lock plate; 12. Anti-locking rod; 13. Unlocking rod; 14. Locking hole; 15. Reset member; 16. Guide cavity; 17. Slide hole; 18. Dial block; 19. Rear handle face cover; 20. First guide hole; 21. Second guide hole; 22. First inclined surface; 23. Second inclined surface; 24. Limit step; 25. Rivet nut; 26. Connecting screw; 27. Sleeve; 28. Card slot; 29. Hidden decorative panel; 30. Magnet; 31. First step; 32. Second step. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Embodiment: As shown in the attached Figures 1 to 5A handle structure with an emergency unlocking function is shown, which includes a front handle assembly 1 and a rear handle assembly 2. The front handle assembly 1 includes a front handle base 3 and a front handle body 4 rotatably arranged on the front handle base 3. A front hole 5 for inserting a square rod is provided on the front handle body 4. The rear handle assembly 2 includes a rear handle base 6 and a rear handle body 7 rotatably arranged on the rear handle base 6. A rear hole 8 for inserting a square rod is provided on the rear handle body 7. The front handle assembly 1 further includes an unlocking member 9, which is detachably installed on the front handle body 4. An unlocking hole 10 for inserting the unlocking member 9 into the front hole 5 is further opened at the front part of the front handle body 4. The rear handle assembly 2 includes a lock plate 11 slidably arranged on the rear handle body 7, an anti-lock rod 12 and an unlocking rod 13 that are linked with the lock plate 11. A locking hole 14 is provided on the rear handle base 6. When the lock plate 11 moves upward, the end of the anti-lock rod 12 is pushed into the locking hole 14 by the lock plate 11, so that the rear handle body 7 cannot rotate relative to the rear handle base 6. When the unlocking member 9 sequentially passes through the front hole 5 and the rear hole 8 and pushes the unlocking rod 13 inward, the lock plate 11 is pushed downward by the unlocking rod 13. A reset member 15 for pushing the anti-lock rod 12 away from the locking hole 14 after the lock plate 11 moves downward is further provided in the rear handle body 7. Its structure is simpler and more reliable, and has the advantages of low production cost and high production efficiency.

[0032] As shown in the appendix Figure 5 As shown, a guiding cavity 16 is provided in the rear handle body 7. The lock plate 11 is slidably arranged vertically in the guiding cavity 16. A sliding hole 17 communicating the guiding cavity 16 with the outside of the handle body is further provided on the rear handle body 7. A dial block 18 extending out of the sliding hole 17 is provided on the lock plate 11, and the dial block 18 can extend vertically along the sliding hole 17. By operating the dial block 18, the lock plate 11 can be driven to slide up and down to realize anti-locking or unlocking inside the door, and the operation is very convenient.

[0033] As shown in the appendix Figure 5 As shown, a rear handle face cover 19 is detachably installed (screw-connected) on the front of the rear handle body 7. The guiding cavity 16 is formed between the rear handle face cover 19 and the rear handle body 7. Setting the handle face cover can not only limit the movement of the lock plate 11 to make its movement more stable and reliable, but also play a decorative role, making the structure more beautiful.

[0034] As shown in the appendix Figure 5As shown, a first guide hole 20 for communicating the locking hole 14 with the guiding cavity 16 and a second guide hole 21 for communicating the rear hole 8 with the guiding cavity 16 are provided on the rear handle body 7. The anti-locking lever 12 and the unlocking lever 13 are respectively slidably arranged in the first guide hole 20 and the second guide hole 21. A first inclined surface 22 and a second inclined surface 23 are provided on the lock plate 11. When the lock plate 11 moves upward, the first inclined surface 22 cooperates with the anti-locking lever 12 to push the end of the anti-locking lever 12 into the locking hole 14. Among them, one end of the anti-locking lever 12 close to the lock plate 11 is in a conical shape. When the unlocking lever 13 moves inward, it acts on the second inclined surface 23 to prompt the lock plate 11 to move downward. The anti-locking lever 12 moves inward under the action of the reset member 15 and disengages from the locking hole 14. This design can realize the linkage among the lock plate 11, the unlocking lever 13 and the anti-locking lever 12. The linkage structure is simple and reliable, which is beneficial to assembly production.

[0035] As shown in the Figure 5 attachment, the reset member 15 is a spring. A first step 31 is provided in the first guide hole 20, and a second step 32 is provided on the outer periphery of the anti-locking lever 12. The reset member 15 is sleeved on the outer periphery of the anti-locking lever 12, and both ends of the reset member 15 abut against the first step 31 and the second step 32 respectively. Using a spring as the reset member 15, the parts are easy to obtain. It can not only provide a stable restoring force, but also has a lower cost.

[0036] As shown in the Figure 5 attachment, a limiting step 24 extending outward is provided at one end of the unlocking lever 13 located in the guiding cavity 16. The unlocking lever 13 is approximately in the structure of a screw. This design can axially limit the unlocking lever 13 to prevent the unlocking lever 13 from completely passing through the second guide hole 21.

[0037] As shown in the Figure 5 attachment, a rivet nut 25 is installed on the rear handle base 6. The outer end of the rivet nut 25 is connected with a screw sleeve 27 through a connecting screw 26. The screw sleeve 27 has an internal thread, and the locking hole 14 is arranged at the inner end of the rivet nut 25. This design can not only realize the function of the cooperation between the locking hole 14 and the anti-locking lever 12, but also facilitate the connection between the front handle base 3 and the rear handle base 6.

[0038] As shown in the Figure 4 attachment, a plurality of clamping grooves 28 are provided on the front handle body 4. The unlocking member 9 is embedded on the plurality of clamping grooves 28. The unlocking member 9 can be an L-shaped hexagonal wrench. Its disassembly and assembly are very convenient, which is beneficial to the storage and taking of the unlocking member 9.

[0039] As shown in the Figure 3 attachment, a hidden decorative panel 29 for covering the unlocking member 9 is also detachably installed on the front handle body 4. The hidden decorative panel 29 can hide the unlocking member 9, having a safer and more beautiful effect.

[0040] As shown in the attached Figure 3 and the attached Figure 4 As shown, at least one magnet 30 is installed on the front handle body 4. Specifically, the front handle body 4 has a mounting groove, and the magnet 30 is embedded in the corresponding mounting groove. The hidden decorative panel 29 is made of a metal material that can be attracted by the magnet 30, and the hidden decorative panel 29 is attracted and fixed to the front handle body 4 by the magnet 30. The connection structure of the hidden decorative panel 29 is simple and reliable, and the disassembly and assembly are very convenient.

Claims

1. A handle structure with an emergency unlocking function, comprising a front handle assembly (1) and a rear handle assembly (2), wherein the front handle assembly (1) comprises a front handle seat (3) and a front handle body (4) rotatably disposed on the front handle seat (3), wherein the front handle body (4) is provided with a front hole (5) for inserting a square rod, and the rear handle assembly (2) comprises a rear handle seat (6) and a rear handle body (7) rotatably disposed on the rear handle seat (6), wherein the rear handle body (7) is provided with a rear hole (8) for inserting a square rod; characterized in that: The front handle assembly (1) also includes an unlocking member (9) which is detachably mounted on the front handle body (4); the front portion of the front handle body (4) is also provided with an unlocking hole (10) for inserting the unlocking member (9) into the front hole (5); the rear handle assembly (2) includes a locking plate (11) slidably mounted on the rear handle body (7) and an anti-locking rod (12) and an unlocking rod (13) which are linked to the locking plate (11); the rear handle seat (6) is provided with a locking hole (14); When the lock plate (11) moves upward, the end of the anti-locking rod (12) is pushed into the locking hole (14) by the lock plate (11), so that the rear handle body (7) cannot rotate relative to the rear handle seat (6); when the unlocking member (9) passes through the front hole (5) and the rear hole (8) in sequence and pushes the unlocking rod (13) inward, the lock plate (11) is pushed downward by the unlocking rod (13); and a reset member (15) is also provided in the rear handle body (7) for pushing the anti-locking rod (12) away from the locking hole (14) after the lock plate (11) moves downward.

2. The handle structure with emergency unlocking function according to claim 1, characterized in that: A guide cavity (16) is provided in the rear handle body (7), and the lock plate (11) is vertically slidably arranged in the guide cavity (16). The rear handle body (7) is also provided with a sliding hole (17) connecting the guide cavity (16) and the outside of the handle body, and the lock plate (11) is provided with a shift block (18) extending out of the sliding hole (17), and the shift block (18) can extend vertically along the sliding hole (17).

3. The handle structure with emergency unlocking function according to claim 2, characterized in that: A rear handle cover (19) is detachably mounted on the front of the rear handle body (7), and the guide cavity (16) is formed between the rear handle cover (19) and the rear handle body (7).

4. The handle structure with emergency unlocking function according to claim 2, characterized in that: The rear handle body (7) is provided with a first guide hole (20) for connecting the locking hole (14) with the guide cavity (16) and a second guide hole (21) for connecting the rear hole (8) with the guide cavity (16). The anti-locking rod (12) and the unlocking rod (13) are slidably arranged in the first guide hole (20) and the second guide hole (21) respectively. The locking plate (11) is provided with a first inclined surface (22) and a second inclined surface (23). When the locking plate (11) moves upward, the first inclined surface (22) cooperates with the anti-locking rod (12) so that the end of the anti-locking rod (12) is pushed into the locking hole (14). When the unlocking rod (13) moves inward, it acts on the second inclined surface (23) to force the locking plate (11) to move downward. Under the action of the reset member (15), the anti-locking rod (12) moves inward and disengages from the locking hole (14).

5. The handle structure with emergency unlocking function according to claim 4, characterized in that: The reset member (15) is a spring. A first step (31) is provided in the first guide hole (20). A second step (32) is provided on the outer periphery of the anti-locking rod (12). The reset member (15) is sleeved on the outer periphery of the anti-locking rod (12), and two ends of the reset member (15) respectively abut against the first step (31) and the second step (32).

6. The handle structure with emergency unlocking function according to claim 4, characterized in that: One end of the unlocking rod (13) located in the guide cavity (16) is provided with a limiting step (24) extending toward the outer periphery.

7. The handle structure with emergency unlocking function according to claim 1, characterized in that: A rivet nut (25) is installed on the rear handle seat (6), the outer end of the rivet nut (25) is connected to a screw sleeve (27) via a connecting screw (26), and the locking hole (14) is arranged at the inner end of the rivet nut (25).

8. The handle structure with emergency unlocking function according to claim 1, characterized in that: The front handle body (4) is provided with a plurality of slots (28), and the unlocking member (9) is embedded in the plurality of slots (28).

9. The handle structure with emergency unlocking function according to claim 8, characterized in that: The front handle body (4) is also detachably provided with a hidden decorative panel (29) for covering the unlocking member (9).

10. The handle structure with emergency unlocking function according to claim 9, characterized in that: At least one magnet (30) is installed on the front handle body (4); the hidden decorative panel (29) is made of a metal material that can be attracted by the magnet (30); and the hidden decorative panel (29) is attracted and fixed to the front handle body (4) by the magnet (30).

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