Handle door lock

Abstract

The utility model discloses a handle door lock which comprises an outer lock assembly, an inner lock assembly and a spring bolt assembly installed between the outer lock assembly and the inner lock assembly, the outer lock assembly is provided with a front through connecting spring bolt assembly, and the inner lock assembly is provided with a rear through connecting spring bolt assembly. The inner lock body comprises a rear cover, a handle and a torsional spring installed between the rear cover and the handle, the handle comprises a sleeve part and a handheld part arranged at the tail of the sleeve part, a rotating block is arranged in the sleeve part, a through hole is formed in the rotating block, the head of a rear through hole is clamped in a spring bolt assembly, and the tail of the rear through hole penetrates through the through hole to stretch into the sleeve part. The middle of the rear through part is connected with the rotating block, and the handle drives the rear through part to rotate through the rotating block. The rear through part is movably connected with the handle through the rotating block, and the depth of the rear through part extending into the sleeve can be changed according to the thickness of a door, so that the distance between the spring bolt assembly and the inner lock assembly is adjusted, and the handle door lock can be suitable for different door thicknesses. The inner lock assembly is simple in structure and convenient to install.

Description

Technical Field

[0001] The utility model relates to a handle lock. Background Art

[0002] The existing handle lock includes an outer lock assembly, an inner lock assembly, and a lock tongue assembly installed between the outer lock assembly and the inner lock assembly. The outer lock assembly and the inner lock assembly are connected to the lock tongue assembly through a shift lever. When the user rotates the outer lock assembly or the inner lock assembly, the shift lever drives the driving device of the lock tongue assembly to rotate, so that the lock tongue of the lock tongue assembly makes a telescopic movement. However, for the handle lock with this structure, the installation is complex, the opening of the installed door is required to be precise, and the applicable range of the thickness of the installed door is small. Summary of the Utility Model

[0003] The utility model provides a handle lock to solve the problem that the applicable range of the thickness of the installed door of the handle lock in the prior art is small.

[0004] The technical solution of the utility model is realized as follows:

[0005] The purpose of the utility model is to provide a handle lock, which includes an outer lock assembly, an inner lock assembly, and a lock tongue assembly installed between the outer lock assembly and the inner lock assembly. The outer lock assembly is provided with a front connection to connect the lock tongue assembly, and the inner lock assembly is provided with a rear connection to connect the lock tongue assembly. The characteristics are as follows: the inner lock assembly includes a rear cover, a handle, and a torsion spring installed between the rear cover and the handle. The handle includes a sleeve part and a hand-held part arranged at the tail of the sleeve part. A rotating block is arranged in the sleeve part, and a through hole is arranged in the rotating block. The head of the rear connection is stuck in the lock tongue assembly, the tail of the rear connection passes through the through hole and extends into the sleeve part, and the middle part of the rear connection is connected to the rotating block. The handle drives the rear connection to rotate through the rotating block.

[0006] A first spring is sleeved outside the rear connection. One end of the first spring abuts against the lock tongue assembly or the rear connection, and the other end of the first spring abuts against the rotating block.

[0007] Two arc-shaped slots are further arranged around the through hole of the rotating block. Two arc-shaped clamping blocks axially extend from the end of the sleeve part. The arc-shaped clamping blocks pass through the inner hole of the rear cover, and the arc-shaped clamping blocks and the arc-shaped slots are arranged correspondingly. The rotating block is installed on the handle through the cooperation of the arc-shaped slots and the arc-shaped clamping blocks. An annular boss protrudes inwards around the inner hole of the rear cover, and a convex block protrudes outside the annular boss. The torsion spring is sleeved on the annular boss. One end of the torsion spring abuts against the convex block, and the other end of the torsion spring abuts against the arc-shaped clamping block.

[0008] A clamping groove is arranged at the end of the arc-shaped clamping block, and a first clamping spring is installed in the clamping groove. One end of the torsion spring abuts against the convex block, and the other end of the torsion spring abuts against the first clamping spring.

[0009] The rear part described above is provided with a first fixing groove, and a second snap spring is installed in the first fixing groove. The second snap spring is located beside the lock tongue assembly. One end of the first spring abuts against the rotating block, and the other end abuts against the second snap spring.

[0010] The outer lock assembly described above includes a panel, a dial installed on the panel, and a linkage part installed behind the panel. The dial and the front passage are connected through the linkage part. The head of the front passage is stuck in the lock tongue assembly, and the tail of the front passage is stuck in the linkage part. A second spring is sleeved outside the front passage. One end of the second spring is fixed on the front passage or the lock tongue assembly, and the other end of the second spring abuts against the linkage part.

[0011] The linkage part described above includes a backing plate and a baffle installed on the inner side of the panel. A cavity is formed between the backing plate and the baffle. A slider is installed in the cavity. The inner end of the dial extends into the cavity and is connected to the slider. A square hole is provided in the slider, and longitudinal internal teeth are provided on the inner wall of the square hole. A gear is installed in the square hole, and the gear meshes with the internal teeth of the square hole. The tail of the front passage is sleeved on the gear.

[0012] The linkage part described above further includes a third spring. The backing plate is provided with a pair of longitudinal chutes, and a third protrusion is further provided below the chutes. One side of the slider protrudes with a pair of first protrusions, and the first protrusions are arranged corresponding to the chutes and move up and down in the chutes. One end of the third spring is fixed on the third protrusion, and the other end of the third spring is fixed on the first protrusion.

[0013] A first card hole is provided in the backing plate described above, and a second card hole corresponding to the first card hole is provided in the baffle. The inner end of the dial extends into the first card hole and the second card hole. A second protrusion extends from the bottom of the slider towards the baffle, and the second protrusion extends into the second card hole and abuts above the dial.

[0014] Two mounting studs are installed on the baffle described above. The mounting studs are provided with screw holes. The mounting studs pass through the mounting holes of the lock tongue assembly. The rear cover is provided with two fixing holes corresponding to the mounting studs. A screw is installed in the fixing hole, and the tail of the screw is screwed into the screw hole for fixation. The outer lock assembly, the lock tongue assembly, and the inner lock assembly are fixed together through the mounting studs and the screws.

[0015] Compared with the prior art, the present utility model has the following advantages:

[0016] 1. The handle door lock comprises an outer lock assembly, an inner lock assembly, and a bolt assembly installed between the outer lock assembly and the inner lock assembly, the outer lock assembly is provided with a front through-hole connected to the bolt assembly, and the inner lock assembly is provided with a rear through-hole connected to the bolt assembly, characterized in that: the inner lock assembly comprises a rear cover, a handle, and a torsion spring installed between the rear cover and the handle, the handle comprises a sleeve portion and a hand grip portion arranged at the tail of the sleeve portion, a rotating block is arranged in the sleeve portion, a through hole is arranged in the rotating block, the head of the rear through-hole is stuck in the bolt assembly, the tail of the rear through-hole extends into the sleeve portion through the through hole, the middle part of the rear through-hole is connected to the rotating block, and the handle drives the rear through-hole to rotate through the rotating block. The rear passage is movably connected to the handle through a rotating block. The depth of the rear passage inserted into the sleeve can be changed according to the thickness of the door, thereby adjusting the distance between the lock tongue assembly and the inner lock assembly, so that the handle door lock can be suitable for doors of different thicknesses. The rotating block is connected to the middle part of the rear passage, the transmission between the handle and the lock tongue assembly is direct, the inner lock assembly has a simple structure, and is more convenient to install.

[0017] 2. Other advantages of the present invention are described in detail in the embodiment section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a handle door lock provided by an embodiment of the utility model;

[0019] Figure 2 This is an exploded view of the inner lock component in the handle door lock;

[0020] Figure 3 This is an exploded view of the outer lock components of the handle door lock;

[0021] Figure 4 It is a side view of a handle door lock;

[0022] Figure 5 for Figure 4 AA cross-sectional view of

[0023] Figure 6 This is a cross-sectional view of the state of the shift block of the handle six lock after being pressed down. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0025] like Figures 1 to 6As shown in the figure, the handle lock provided in this embodiment includes an outer lock assembly 3, an inner lock assembly 1, and a locking tongue assembly 2 installed between the outer lock assembly 3 and the inner lock assembly 1. The outer lock assembly 3 is provided with a front passage 31 connecting the locking tongue assembly 2, and the inner lock assembly 1 is provided with a rear passage 11 connecting the locking tongue assembly 2. It is characterized in that: the inner lock assembly 1 includes a rear cover 12, a handle 13, and a torsion spring 14 installed between the rear cover 12 and the handle 13. The handle 13 includes a sleeve portion 131 and a hand-held portion 132 provided at the tail of the sleeve portion 131. A rotating block 133 is provided inside the sleeve portion 131, and a through hole 1331 is provided inside the rotating block 133. The head of the rear passage 11 is stuck inside the locking tongue assembly 2, the tail of the rear passage 11 passes through the through hole 1331 and extends into the sleeve portion 131, and the middle part of the rear passage 11 is connected to the rotating block 133. The handle 13 drives the rear passage 11 to rotate through the rotating block 133, thereby driving the locking tongue of the locking tongue assembly 2 to perform telescopic movement.

[0026] In the handle lock, the rear passage 11 is movably connected to the handle 13 through the rotating block 133. According to the thickness of the door, the depth of the rear passage 11 extending into the sleeve 131 can be changed, so as to adjust the distance between the locking tongue assembly 2 and the inner lock assembly 1, making the handle lock applicable to different door thicknesses; the rotating block 133 is connected to the middle part of the rear passage 11, the transmission between the handle 13 and the locking tongue assembly 2 is direct, and the structure of the inner lock assembly 1 is simple and the installation is more convenient.

[0027] A first spring 15 is sleeved outside the rear passage 11. One end of the first spring 15 abuts against the locking tongue assembly 2 or the rear passage 11, and the other end of the first spring 15 abuts against the rotating block 133. The first spring 15 can automatically adjust the installation deviation of the inner lock assembly 1.

[0028] Two arc-shaped slots 1332 are further provided around the through hole 1331 of the rotating block 133. Two arc-shaped blocks 1311 axially protrude from the end of the sleeve portion 131. The arc-shaped blocks 1311 pass through the inner hole 122 of the rear cover 12. The arc-shaped blocks 1311 and the arc-shaped slots 1332 are arranged corresponding to each other. The rotating block 133 is installed on the handle 13 through the cooperation of the arc-shaped slots 1332 and the arc-shaped blocks 1311. A ring-shaped boss 123 protrudes inward around the inner hole 122 of the rear cover 12, and a convex block 121 protrudes from the outside of the ring-shaped boss 123. The torsion spring 14 is sleeved on the ring-shaped boss 123. One end of the torsion spring 14 abuts against the convex block 121, and the other end of the torsion spring 14 abuts against the arc-shaped block 1311. The structure of the rotating block 133 is simple, the structure of the handle 13 is simple, the installation is easy, and the production cost is low.

[0029] The end of the arc-shaped clamping block 1311 described above is provided with a clamping groove 1312, a first clamping spring 16 is installed in the clamping groove 1312, one end of the torsion spring 14 abuts against the convex block 121, and the other end of the torsion spring 14 abuts against the first clamping spring 16. The transmission structure of the inner lock assembly 1 is simple and direct, and the effect is better.

[0030] The rear passage 11 described above is provided with a first fixing groove 111, a second clamping spring 17 is installed in the first fixing groove 111, the second clamping spring 17 is located beside the lock tongue assembly 2, one end of the first spring 15 abuts against the rotating block 133, and the other end abuts against the second clamping spring 17.

[0031] The outer lock assembly 3 described above includes a panel 32, a dial block 321 installed on the panel 32, and a linkage part 33 installed behind the panel 32. The dial block 321 and the front passage 31 are connected through the linkage part 33. The head of the front passage 31 is stuck in the lock tongue assembly 2, the tail of the front passage 31 is stuck in the linkage part 33, and a second spring 34 is sleeved outside the front passage 31. One end of the second spring 34 is fixed on the front passage 31 or the lock tongue assembly 2, and the other end of the second spring 34 abuts against the linkage part 33. The connection between the outer lock assembly 3 and the lock tongue assembly 2 is simple and convenient to install.

[0032] The linkage part 33 described above includes a backing plate 331 and a baffle plate 332 installed on the inner side of the panel 32. A cavity 330 is formed between the backing plate 331 and the baffle plate 332. A slider 333 is installed in the cavity 330. The inner end of the dial block 321 extends into the cavity 330 and is connected to the slider 333. A square hole 3331 is provided in the slider 333. Longitudinal internal teeth 3332 are provided on the inner wall of the square hole 3331. A gear 334 is installed in the square hole 3331. The gear 334 meshes with the internal teeth 3332 of the square hole 3331. The tail of the front passage 31 is sleeved on the gear 334. As Figure 5 shown, when the user presses down the dial block 321, the inner end of the dial block 321 lifts the slider 333 upward. The internal teeth 3332 of the slider 333 drive the gear 334 to rotate, and the gear 334 drives the front passage 31 to rotate, so that the lock tongue of the lock tongue assembly 2 makes a telescopic movement. The slider 333 and the gear 334 convert the up-and-down swing of the dial block 321 into the rotation of the front passage 31. The structure of the linkage part 33 is simple and the transmission is reliable.

[0033] The above-mentioned linkage part 33 further includes a third spring 335. The backing plate 331 is provided with a pair of longitudinal sliding grooves 3312. Below the sliding grooves 3312, there is also a third protrusion 3313. One side of the slider 333 protrudes with a pair of first protrusions 3334. The first protrusions 3334 are arranged corresponding to the sliding grooves 3312 and the first protrusions 3334 move up and down in the sliding grooves 3312. One end of the third spring 335 is fixed on the third protrusion 3313, and the other end of the third spring 335 is fixed on the first protrusion 3334. When the user presses down the toggle 321, the slider 333 moves upward. At this time, the first protrusion 3334 rises to stretch the third spring 335. After the user releases the toggle 321, the third spring 335 drives the slider 333 to move downward, so that the toggle 321 and the locking tongue of the locking tongue assembly 2 are automatically reset.

[0034] The above-mentioned backing plate 331 is provided with a first locking hole 3311. Inside the baffle 332, a second locking hole 3321 is provided corresponding to the first locking hole 3311. The inner end of the toggle 321 extends into the first locking hole 3311 and the second locking hole 3321. The bottom of the slider 333 extends a second protrusion 3335 towards the baffle 332. The second protrusion 3335 extends into the second locking hole 3321 and abuts above the toggle 321. The bottom of the toggle 321 is supported by the bottoms of the first locking hole 3311 and the second locking hole 3332, ensuring the balance of the toggle 321. The second protrusion 3335 makes the linkage between the toggle 321 and the slider 333 reliable.

[0035] The above-mentioned front passage 31 is provided with a second fixing groove 311. A third circlip 35 is installed in the second fixing groove 311. The third circlip 35 is located beside the locking tongue assembly 2. One end of the second spring 34 abuts on the baffle 332, and the other end abuts on the third circlip 35.

[0036] The above-mentioned baffle 332 is installed with two mounting studs 336. The mounting studs 336 are provided with screw holes. The mounting studs 336 pass through the mounting holes 21 of the locking tongue assembly 2. The rear cover 12 is provided with two fixing holes 124 corresponding to the mounting studs 336. A screw 18 is installed in the fixing hole 124, and the tail of the screw 18 is screwed into the screw hole for fixation. The outer lock assembly 3, the locking tongue assembly 2 and the inner lock assembly 1 are fixed together by the mounting studs 336 and the screw 18. The fixation between the outer lock assembly 3, the locking tongue assembly 2 and the inner lock assembly 1 is reliable and simple.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A handle lock, comprising an outer lock assembly (3), an inner lock assembly (1), and a locking tongue assembly (2) installed between the outer lock assembly (3) and the inner lock assembly (1). The outer lock assembly (3) is provided with a front passage (31) connecting the locking tongue assembly (2), and the inner lock assembly (1) is provided with a rear passage (11) connecting the locking tongue assembly (2), characterized in that: The inner lock assembly (1) includes a rear cover (12), a handle (13), and a torsion spring (14) installed between the rear cover (12) and the handle (13). The handle (13) includes a sleeve portion (131) and a hand-held portion (132) provided at the tail of the sleeve portion (131). A rotating block (133) is provided inside the sleeve portion (131), and a through hole (1331) is provided inside the rotating block (133). The head of the rear through passage (11) is stuck inside the lock tongue assembly (2), the tail of the rear through passage (11) passes through the through hole (1331) and extends into the sleeve portion (131), and the middle part of the rear through passage (11) is connected to the rotating block (133). The handle (13) drives the rear through passage (11) to rotate through the rotating block (133).

2. The handle lock according to claim 1, characterized in that: A first spring (15) is sleeved outside the rear through passage (11). One end of the first spring (15) abuts against the lock tongue assembly (2) or the rear through passage (11), and the other end of the first spring (15) abuts against the rotating block (133).

3. The mortise lock according to claim 2, characterized in that: Two arc-shaped slots (1332) are further provided on the periphery of the through hole (1331) of the rotating block (133). Two arc-shaped clamping blocks (1311) axially protrude from the end of the sleeve portion (131). The arc-shaped clamping blocks (1311) pass through the inner hole (122) of the rear cover (12). The arc-shaped clamping blocks (1311) and the arc-shaped slots (1332) are arranged correspondingly. The rotating block (133) is installed on the handle (13) through the cooperation of the arc-shaped slots (1332) and the arc-shaped clamping blocks (1311). A circular boss (123) protrudes inwards around the inner hole (122) of the rear cover (12), and a protrusion (121) protrudes from the periphery of the circular boss (123). The torsion spring (14) is sleeved on the circular boss (123). One end of the torsion spring (14) abuts against the protrusion (121), and the other end of the torsion spring (14) abuts against the arc-shaped clamping block (1311).

4. The handle lock according to claim 3, characterized in that: A clamping groove (1312) is provided at the end of the arc-shaped clamping block (1311), and a first snap spring (16) is installed in the clamping groove (1312). One end of the torsion spring (14) abuts against the protrusion (121), and the other end of the torsion spring (14) abuts against the first snap spring (16).

5. The handle lock according to claim 4, characterized in that: A first fixing groove (111) is provided on the rear through passage (11), and a second snap spring (17) is installed in the first fixing groove (111). The second snap spring (17) is located beside the lock tongue assembly (2). One end of the first spring (15) abuts against the rotating block (133), and the other end abuts against the second snap spring (17).

6. A handle lock according to any one of claims 1 to 5, characterized in that: The outer lock assembly (3) includes a panel (32), a dial block (321) installed on the panel (32), and a linkage portion (33) installed behind the panel (32). The dial block (321) and the front through passage (31) are connected through the linkage portion (33). The head of the front through passage (31) is stuck inside the lock tongue assembly (2), the tail of the front through passage (31) is stuck inside the linkage portion (33). A second spring (34) is sleeved outside the front through passage (31). One end of the second spring (34) is fixed on the front through passage (31) or the lock tongue assembly (2), and the other end of the second spring (34) abuts against the linkage portion (33).

7. The handle lock according to claim 6, wherein: The linkage part (33) includes a backing plate (331) and a baffle plate (332) installed inside the panel (32). A cavity (330) is formed between the backing plate (331) and the baffle plate (332). A slider (333) is installed in the cavity (330). The inner end of the dial block (321) extends into the cavity (330) and is connected to the slider (333). A square hole (3331) is provided in the slider (333). Longitudinal internal teeth (3332) are provided on the inner wall of the square hole (3331). A gear (334) is installed in the square hole (3331). The gear (334) meshes with the internal teeth (3332) of the square hole (3331). The tail of the front passage (31) is sleeved on the gear (334).

8. The handle lock according to claim 7, characterized in that: The linkage part (33) further includes a third spring (335). The backing plate (331) is provided with a pair of longitudinal sliding grooves (3312). A third protrusion (3313) is further provided below the sliding grooves (3312). A pair of first protrusions (3334) protrude from one side of the slider (333). The first protrusions (3334) are correspondingly arranged with the sliding grooves (3312) and the first protrusions (3334) move up and down in the sliding grooves (3312). One end of the third spring (335) is fixed on the third protrusion (3313), and the other end of the third spring (335) is fixed on the first protrusion (3334).

9. The mortise lock according to claim 8, characterized in that: The backing plate (331) is provided with a first locking hole (3311). A second locking hole (3321) corresponding to the first locking hole (3311) is provided inside the baffle plate (332). The inner end of the dial block (321) extends into the first locking hole (3311) and the second locking hole (3321). A second protrusion (3335) extends from the bottom of the slider (333) towards the baffle plate (332). The second protrusion (3335) extends into the second locking hole (3321) and abuts above the dial block (321).

10. The handle lock according to claim 9, characterized in that: Two mounting studs (336) are installed on the baffle plate (332). The mounting studs (336) are provided with screw holes. The mounting studs (336) pass through the mounting holes (21) of the locking tongue assembly (2). The rear cover (12) is provided with two fixing holes (124) corresponding to the mounting studs (336). A screw (18) is installed in the fixing hole (124). The tail of the screw (18) is screwed into the screw hole for fixation. The outer locking assembly (3), the locking tongue assembly (2) and the inner locking assembly (1) are fixed together through the mounting studs (336) and the screw (18).

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