Door lock for easy installation of handle assembly

Abstract

The utility model relates to the technical field of door locks, and specifically, to a door lock that is convenient for installing a handle assembly, comprising a front lock body and a rear lock body, the front lock body being rotatably connected with the handle assembly, the end of the handle assembly being fixedly installed with a handle, the handle assembly being rotatably connected with a front fixing ring and a rear fixing ring, the front fixing ring and the rear fixing ring being fixedly installed on the front lock body through a plurality of fastening screws, the back of the front lock body being fixedly installed with two mutually symmetrical screw sleeves, the end of the screw sleeve being fixedly installed with a hollow guide column, the back of the rear lock body being fixedly installed with two mutually symmetrical plug-in guide columns, the plug-in guide column and the hollow guide column being plug-fitted, and the rear lock body being fixed with two screw sleeves through two mutually symmetrical fastening screws. The utility model facilitates the guiding operation and makes the installation more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of door locks, in particular to a door lock which is convenient for installing a handle assembly. Background Art

[0002] With the advancement of science and technology and the development of society, people's demand for family safety and convenience of life is increasing. In order to ensure safety, people have higher and higher requirements for the safety of locks on door bodies. Door locks are devices used to lock doors to prevent others from opening the door. There are many types of door locks on the market. Most of them are composed of a shell, a handle, a handle assembly and a lock cylinder.

[0003] When using a traditional door lock, the handle assembly part needs to rotate. Considering its rotation characteristics, the handle assembly part on it is generally fixed to the lock body in a complicated way. In addition, although the front and rear shells of the door lock are fixed with screws, which has the advantage of convenient operation, there is a lack of corresponding guide components between the front and rear shells, and the guide operation cannot be performed, which also affects the convenience of installation. The installation process usually requires professional tools, and the installation process is cumbersome and time-consuming, which brings many inconveniences to users. In view of this, we propose a door lock that is easy to install the handle assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a door lock which is convenient for installing a handle assembly, so as to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A door lock that is easy to install a handle assembly comprises a front lock body and a rear lock body, wherein the front lock body is rotatably connected to the handle assembly, a handle is fixedly installed at the end of the handle assembly, a front fixing ring and a rear fixing ring are rotatably connected to the handle assembly, the front fixing ring and the rear fixing ring are fixedly installed on the front lock body by a plurality of fastening screws, two upper and lower symmetrical threaded sleeves are fixedly installed on the back side of the front lock body, a hollow guide column is fixedly installed on the end of the threaded sleeve, and two upper and lower symmetrical plug-in guide columns are fixedly installed on the back side of the rear lock body, the plug-in guide column is plug-fitted with the hollow guide column, and the rear lock body is fixed to the two threaded sleeves by two upper and lower symmetrical fastening screws.

[0007] Preferably, the fastening screw passes through the plug-in guide column and the hollow guide column, and the end of the fastening screw abuts against the side surface of the rear lock body to achieve a fixing operation.

[0008] Preferably, a flared guide sleeve is fixedly mounted on the end of the hollow guide column away from the screw sleeve, and the flared guide sleeve is used for guiding the plug-in operation of the guide column.

[0009] Preferably, the flared guide sleeve is funnel-shaped for smooth insertion of the plug-in guide column.

[0010] Preferably, a limit ring is fixedly installed on the handle assembly, and annular sleeves are fixedly installed at the center positions of the sides where the front fixing ring and the rear fixing ring are close to each other. The limit ring is located inside the annular sleeve and is rotatably connected to the annular sleeve, so that the limit ring and the handle assembly can rotate normally.

[0011] Preferably, the size of the limiting ring is matched with the size of the annular sleeve for stabilizing the rotation operation.

[0012] Preferably, the front fixing ring is fixedly mounted with a plurality of hollow sleeves arranged in a ring shape with equal spacing, and the rear fixing ring is provided with a plurality of through holes arranged in a ring shape with equal spacing, and the hollow sleeves are plugged into the through holes to achieve the effect of guiding the installation of the front fixing ring and the rear fixing ring.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a front fixing ring and a rear fixing ring on the handle assembly to ensure that when in use, the front fixing ring and the rear fixing ring are fixedly mounted on the front lock body by fastening screws to complete the installation operation. In addition, the front lock body and the rear lock body are guided by threaded sleeves, hollow guide columns and plug-in guide columns, and are fixed with fastening screws, which has the advantage of easy installation.

[0015] 2. The utility model provides a flared guide sleeve, which makes it easier for the plug-in guide post to be inserted into the hollow guide post along the flared guide sleeve, thereby facilitating the guiding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 It is one of the partial structural schematic diagrams of the utility model;

[0019] Figure 4 This is the second partial structural schematic diagram of the utility model.

[0020] The meaning of each number in the figure is:

[0021] 1. front lock body; 10. handle assembly; 11. handle; 12. limit ring; 13. front fixing ring; 131. hollow sleeve; 14. rear fixing ring; 141. through hole; 15. annular sleeve; 16. screw sleeve; 17. hollow guide column; 18. flared guide sleeve;

[0022] 2. Rear lock body; 20. Insert guide post; 21. Fasten screws. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a door lock that is convenient for installing a handle assembly, comprising a front lock body 1 and a rear lock body 2, a handle assembly 10 is rotatably connected to the front lock body 1, a handle 11 is fixedly installed at the end of the handle assembly 10, a front fixing ring 13 and a rear fixing ring 14 are rotatably connected to the handle assembly 10, the front fixing ring 13 and the rear fixing ring 14 are fixedly installed on the front lock body 1 by a plurality of fastening screws, so that the front fixing ring 13 and the rear fixing ring 14 are convenient for fixing and installing, and the handle assembly 10 is fixedly installed;

[0025] Specifically, two upper and lower symmetrical screw sleeves 16 are fixedly installed on the back of the front lock body 1, and a hollow guide column 17 is fixedly installed on the end of the screw sleeve 16. Two upper and lower symmetrical plug-in guide columns 20 are fixedly installed on the back of the rear lock body 2. The plug-in guide column 20 is plugged into the hollow guide column 17. The rear lock body 2 and the two screw sleeves 16 are fixed by two upper and lower symmetrical fastening screws 21. The fastening screw 21 passes through the plug-in guide column 20 and the hollow guide column 17. The end of the fastening screw 21 is against the side of the rear lock body 2, so that the fixing operation is realized, which is convenient for the guide installation operation between the front lock body 1 and the rear lock body 2.

[0026] In this embodiment, a flared guide sleeve 18 is fixedly mounted on the end of the hollow guide column 17 away from the screw sleeve 16 , and the flared guide sleeve 18 is used for guiding the plug-in operation of the guide column 20 .

[0027] Specifically, the flared guide sleeve 18 is funnel-shaped and is used for smooth insertion of the plug-in guide post 20 , so that the plug-in guide post 20 can be inserted into the hollow guide post 17 along the inner wall of the flared guide sleeve 18 more smoothly.

[0028] Furthermore, a limit ring 12 is fixedly installed on the handle assembly 10, and an annular sleeve 15 is fixedly installed at the center position of the sides where the front fixing ring 13 and the rear fixing ring 14 are close to each other. The limit ring 12 is located inside the annular sleeve 15 and is rotatably connected with the annular sleeve 15, so that the limit ring 12 and the handle assembly 10 can rotate normally.

[0029] In addition, the size of the limiting ring 12 is matched with the size of the annular sleeve 15 for stable rotation operation.

[0030] It is worth mentioning that a plurality of hollow sleeves 131 arranged in a ring shape with equal spacing are fixedly installed on the front fixing ring 13, and a plurality of through holes 141 arranged in a ring shape with equal spacing are provided on the rear fixing ring 14. The hollow sleeves 131 and the through holes 141 are plugged into each other, which plays the effect of guiding the installation of the front fixing ring 13 and the rear fixing ring 14.

[0031] When the door lock of the utility model which is easy to install the handle assembly is used, the front fixing ring 13 and the rear fixing ring 14 are closed, so that the limit ring 12 is in the annular sleeve 15, and then the front fixing ring 13 and the rear fixing ring 14 are fixedly installed on the rear side surface of the front lock body 1 by using fastening screws, and then the plug-in guide column 20 is inserted into the hollow guide column 17 along the flared guide sleeve 18, and finally, the fastening screw 21 is passed through the plug-in guide column 20, the flared guide sleeve 18 and the hollow guide column 17 and tightened on the threaded sleeve 16 to complete the installation operation.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A door lock that is convenient for installing a handle assembly, comprising a front lock body (1) and a rear lock body (2), characterized in that: The front lock body (1) is rotatably connected to a handle assembly (10), and a handle (11) is fixedly installed at the end of the handle assembly (10). The handle assembly (10) is rotatably connected to a front fixing ring (13) and a rear fixing ring (14), and the front fixing ring (13) and the rear fixing ring (14) are fixedly installed on the front lock body (1) by a plurality of fastening screws. The back of the front lock body (1) is fixedly installed with two upper and lower symmetrical screw sleeves (16), and the end of the screw sleeve (16) is fixedly installed with a hollow guide column (17). The back of the rear lock body (2) is fixedly installed with two upper and lower symmetrical plug-in guide columns (20), and the plug-in guide columns (20) are plug-fitted with the hollow guide columns (17). The rear lock body (2) is fixed to the two screw sleeves (16) by two upper and lower symmetrical fastening screws (21).

2. The door lock for easy installation of a handle assembly according to claim 1, characterized in that: The fastening screw (21) passes through the plug-in guide column (20) and the hollow guide column (17), and the end of the fastening screw (21) abuts against the side surface of the rear lock body (2).

3. The door lock for easy installation of a handle assembly according to claim 1, characterized in that: An expanded guide sleeve (18) is fixedly mounted on the end of the hollow guide column (17) away from the screw sleeve (16), and the expanded guide sleeve (18) is used for guiding the plug-in operation of the plug-in guide column (20).

4. The door lock for facilitating installation of a handle assembly according to claim 3, characterized in that: The flared guide sleeve (18) is funnel-shaped and is used for smooth insertion of the plug-in guide column (20).

5. The door lock for easy installation of a handle assembly according to claim 1, characterized in that: A limit ring (12) is fixedly mounted on the handle assembly (10); an annular sleeve (15) is fixedly mounted at the center positions of the sides of the front fixing ring (13) and the rear fixing ring (14) close to each other; the limit ring (12) is located inside the annular sleeve (15) and is rotatably connected to the annular sleeve (15).

6. The door lock for easy installation of a handle assembly according to claim 5, characterized in that: The size of the limiting ring (12) is matched with the size of the annular sleeve (15) for stabilizing the rotation operation.

7. The door lock for facilitating installation of a handle assembly according to claim 5, characterized in that: The front fixing ring (13) is fixedly mounted with a plurality of hollow sleeves (131) arranged in an annular shape and at equal intervals, and the rear fixing ring (14) is provided with a plurality of through holes (141) arranged in an annular shape and at equal intervals, and the hollow sleeves (131) are plug-fitted into the through holes (141).

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