Door closer convenient to adjust

Abstract

The utility model relates to the technical field of door closers, in particular to a door closer convenient to adjust, which comprises a door closer main body, a connecting rod is movably mounted in the middle of the bottom end of the door closer main body, a movable sleeve is movably mounted at the other end of the connecting rod, and a sleeve is movably connected to one end, far away from the connecting rod, of the movable sleeve; an adjusting mechanism is arranged at the end, away from the movable sleeve, of the sleeve and comprises a threaded rod, a stirring ring and a guide rod. The threaded rod, the shifting ring and the guide rod are used in cooperation, when the threaded rod needs to be adjusted after installation, the threaded rod is twisted, the end of the threaded rod is movably connected with the shifting ring through the bearing, and therefore the threaded rod can control the shifting ring to move synchronously when rotating; and the guide rods at the two ends of the shifting ring can move along the interior of the guide sleeve for guiding, so that the shifting ring can move linearly, the mounting seat can be adjusted after being fixedly mounted, and the purpose of convenient adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of door closers, in particular to a door closer which is easy to adjust. Background Art

[0002] A door closer is a device installed on a door to control the closing action of the door. It usually consists of a spring mechanism and some adjustment devices, which can make the door automatically close after being opened, thus ensuring the safety and convenience of the door. Door closers are widely used in commercial buildings, public places, hospitals, schools and other places to ensure that the door can remain closed when not in use to prevent fire, risks or unauthorized entry.

[0003] The rocker arms of door closers currently available on the market usually have an adjustment function, but they can only be twisted and adjusted before the rocker arms are fixed to the door panels through the mounting bases, and the mounting bases at the ends of the rocker arms cannot be adjusted after being fixed to the door panels, so there are great limitations in adjustment. For this reason, we propose a door closer that is easy to adjust. Utility Model Content

[0004] The purpose of the utility model is to provide a door closer which is easy to adjust, so as to solve the problems raised in the above-mentioned background technology.

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

[0006] A door closer that is easy to adjust, comprising

[0007] A door closer body, wherein a connecting rod is movably mounted at the middle of the bottom end of the door closer body, a movable sleeve is movably mounted at the other end of the connecting rod, and a sleeve is movably connected to the end of the movable sleeve away from the connecting rod;

[0008] An adjustment mechanism is arranged at one end of the sleeve away from the movable sleeve, and the adjustment mechanism comprises a threaded rod, a toggle ring and a guide rod. The outer walls on both sides of the sleeve are fixedly connected with the guide sleeves, and the guide rods are movably connected with the guide sleeves.

[0009] Preferably, a thread groove is provided inside the sleeve, the threaded rod is threadedly connected to the thread groove, the other end of the threaded rod is movably connected to the toggle ring through a bearing, and one end of the guide rod away from the guide sleeve is fixedly connected to both sides of the toggle ring;

[0010] Preferably, one end of the toggle ring away from the threaded rod is fixedly connected to a connecting rod, and the other end of the connecting rod is movably mounted with a mounting seat;

[0011] Preferably, a gear is movably mounted on one side of the middle of the door closer body, a movable block is movably mounted on the outside of one side of the door closer body close to the gear, a plurality of tooth grooves are formed on one side of the movable block close to the gear, and the tooth grooves are meshed with the gear;

[0012] Preferably, a spring is provided between the door closer body and one side of the movable block, rod grooves are provided on both sides of the movable block, and fixing rods are fixedly installed at both ends of the inner side of the door closer body, and the fixing rods are movably connected to the rod grooves;

[0013] Preferably, a bolt is movably mounted on one side of the door closer body close to the spring.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This is an easily adjustable door closer, which is used in conjunction with a threaded rod, a toggle ring and a guide rod. When the threaded rod needs to be adjusted after installation, the threaded rod is twisted. Since the end of the threaded rod is movably connected to the toggle ring through a bearing, the toggle ring will be controlled to move synchronously when the threaded rod rotates, and the guide rods at both ends of the toggle ring will guide along the internal movement of the guide sleeve, so that the toggle ring can move in a straight line. In this way, the mounting base can also be adjusted after being fixedly installed, thereby achieving the purpose of easy adjustment.

[0016] 2. This is an easily adjustable door closer, which is used in conjunction with the door closer body, bolts and movable blocks. When the door panel is opened, the gear is controlled to rotate through the connecting rod. After the gear rotates, the movable block is driven to move to one side through the tooth groove and compresses the spring on the same side. When the door panel is closed, the compressed spring will rebound the movable block to make the gear rotate in the opposite direction, and then drive the door panel to close automatically through the tooth groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall main structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional view of the main body of the door closer of the utility model;

[0019] Figure 3 It is a schematic cross-sectional view of the sleeve of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified schematic diagram of point B in the middle.

[0021] In the figure: 1. door closer body; 2. connecting rod; 3. movable sleeve; 4. sleeve; 5. adjustment mechanism; 501. threaded rod; 502. toggle ring; 503. guide rod; 6. guide sleeve; 7. threaded groove; 8. connecting rod; 9. mounting seat; 10. gear; 11. movable block; 12. tooth groove; 13. spring; 14. rod groove; 15. fixing rod; 16. bolt. DETAILED DESCRIPTION

[0022] 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.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0024] like Figure 1-4 As shown, a technical solution provided by the utility model:

[0025] A door closer that is easy to adjust, comprising a door closer body 1, a connecting rod 2 is movably installed at the middle of the bottom end of the door closer body 1, a movable sleeve 3 is movably installed at the other end of the connecting rod 2, and the end of the movable sleeve 3 away from the connecting rod 2 is movably connected to the sleeve 4; an adjusting mechanism 5 is arranged at the end of the sleeve 4 away from the movable sleeve 3, the adjusting mechanism 5 comprises a threaded rod 501, a toggle ring 502 and a guide rod 503, the outer walls of both sides of the sleeve 4 are fixedly connected with guide sleeves 6, and the guide rod 503 is movably connected to the guide sleeve 6; a threaded groove 7 is provided inside the sleeve 4, the threaded rod 501 is threadedly connected to the threaded groove 7, the other end of the threaded rod 501 is movably connected to the toggle ring 502 through a bearing, and the end of the guide rod 503 away from the guide sleeve 6 is fixedly connected to both sides of the toggle ring 502; the end of the toggle ring 502 away from the threaded rod 501 is fixedly connected to a connecting rod 8, and the other end of the connecting rod 8 is movably installed with a mounting seat 9;

[0026] In this embodiment, when in use, the door closer body 1 and the mounting base 9 are respectively installed on the door frame and the door panel. When the threaded rod 501 needs to be adjusted after installation, the threaded rod 501 is twisted. Since the end of the threaded rod 501 is movably connected to the toggle ring 502 through a bearing, the threaded rod 501 will control the toggle ring 502 to move synchronously when it rotates, and the guide rods 503 at both ends of the toggle ring 502 will guide along the internal movement of the guide sleeve 6, so that the toggle ring 502 can move in a straight line. In this way, the mounting base 9 can also be adjusted after being fixed and installed, thereby achieving the purpose of easy adjustment.

[0027] like Figure 2 As shown, a gear 10 is movably mounted on one side of the middle of the door closer body 1, and a movable block 11 is movably mounted on the outer side of the door closer body 1 close to the gear 10, and a plurality of tooth grooves 12 are provided on the side of the movable block 11 close to the gear 10, and the tooth grooves 12 are meshed with the gear 10; a spring 13 is provided between the door closer body 1 and one side of the movable block 11, and rod grooves 14 are provided on both sides of the movable block 11, and fixed rods 15 are fixedly mounted on both ends of the inner side of the door closer body 1, and the fixed rods 15 are movably connected with the rod grooves 14;

[0028] In this embodiment, when the door panel is opened, the gear 10 is controlled to rotate by the connecting rod 2. After the gear 10 rotates, it drives the movable block 11 to move to one side through the tooth groove 12 and compresses the spring 13 on the same side. When the door panel is closed, the compressed spring 13 will rebound the movable block 11 to make the gear 10 rotate in the opposite direction, and then drive the door panel to close automatically through the tooth groove 12.

[0029] like Figure 2 As shown, a bolt 16 is movably installed on one side of the door closer body 1 close to the spring 13;

[0030] In this embodiment, a bolt 16 is provided at one end of the movable block 11 close to the spring 13. When the bolt 16 is rotated, the displacement distance of the movable block 11 toward the end of the bolt 16 is limited, so that the opening angle of the door panel is also limited.

[0031] Working principle: When in use, the door closer body 1 and the mounting base 9 are respectively mounted on the door frame and the door panel. When the threaded rod 501 needs to be adjusted after installation, the threaded rod 501 is twisted. Since the end of the threaded rod 501 is movably connected with the toggle ring 502 through the bearing, the threaded rod 501 will control the toggle ring 502 to move synchronously when it rotates, and the guide rods 503 at both ends of the toggle ring 502 will be guided along the internal movement of the guide sleeve 6, so that the toggle ring 502 can move in a straight line, so that the mounting base 9 can also be adjusted after being fixed and installed; When the door panel is opened, the gear 10 is controlled to rotate through the connecting rod 2. After the gear 10 rotates, it drives the movable block 11 to move to one side through the tooth groove 12 and compresses the spring 13 on the same side. When the door panel is closed, the compressed spring 13 will rebound the movable block 11 to make the gear 10 rotate in the opposite direction, and then drive the door panel to close automatically through the tooth groove 12. A bolt 16 is provided at one end of the movable block 11 close to the spring 13. When the bolt 16 is rotated, the displacement distance of the movable block 11 toward the end of the bolt 16 is limited, so that the opening angle of the door panel is also limited.

[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 closer that is easy to adjust, characterized in that: include A door closer body (1), wherein a connecting rod (2) is movably mounted at the middle of the bottom end of the door closer body (1), a movable sleeve (3) is movably mounted at the other end of the connecting rod (2), and a sleeve (4) is movably connected to the end of the movable sleeve (3) away from the connecting rod (2); An adjustment mechanism (5) is provided at one end of the sleeve (4) away from the movable sleeve (3), and the adjustment mechanism (5) comprises a threaded rod (501), a toggle ring (502) and a guide rod (503). Guide sleeves (6) are fixedly connected to the outer walls on both sides of the sleeve (4), and the guide rod (503) is movably connected to the guide sleeves (6).

2. The easily adjustable door closer according to claim 1, characterized in that: A thread groove (7) is provided inside the sleeve (4), the threaded rod (501) is threadedly connected to the thread groove (7), the other end of the threaded rod (501) is movably connected to the toggle ring (502) via a bearing, and one end of the guide rod (503) away from the guide sleeve (6) is fixedly connected to both sides of the toggle ring (502).

3. The easily adjustable door closer according to claim 1, characterized in that: One end of the toggle ring (502) away from the threaded rod (501) is fixedly connected to a connecting rod (8), and the other end of the connecting rod (8) is movably mounted with a mounting seat (9).

4. The easily adjustable door closer according to claim 1, characterized in that: A gear (10) is movably mounted on one side of the middle of the door closer body (1), and a movable block (11) is movably mounted on the outside of the door closer body (1) on a side close to the gear (10). A plurality of tooth grooves (12) are formed on a side of the movable block (11) close to the gear (10), and the tooth grooves (12) mesh with the gear (10).

5. The easily adjustable door closer according to claim 4, characterized in that: A spring (13) is provided between the door closer body (1) and one side of the movable block (11); rod grooves (14) are provided on both sides of the movable block (11); fixed rods (15) are fixedly installed at both ends of the inner side of the door closer body (1); and the fixed rods (15) are movably connected to the rod grooves (14).

6. The easily adjustable door closer according to claim 5, characterized in that: A bolt (16) is movably mounted on one side of the door closer body (1) close to the spring (13).

Images