Open-mounted door closer

Abstract

The utility model discloses an open-mounted door closer, which comprises a main body, a door closer rotating shaft, a cover plate and a clamping structure, the main body is provided with a plurality of connecting holes in a front-back penetrating manner, the door closer rotating shaft is rotatably arranged on the main body, the door closer rotating shaft is vertically arranged on the main body and protrudes out of the bottom of the main body, and the cover plate is provided with a first avoiding groove and a second avoiding groove. The cover plate is provided with a first mounting position and a second mounting position, the cover plate can be mounted on the front side face of the main body at the first mounting position, the first avoiding groove can avoid the door closer rotating shaft, the cover plate is mounted on the rear side face of the main body at the second mounting position, and the second avoiding groove can avoid the door closer rotating shaft; and the cover plate can be clamped on the main body through the clamping structure. The main body can be installed in a left-right overturning mode, the cover plate can also adapt to different main body installation positions, and universality is high.

Description

Technical Field

[0001] The utility model relates to the technical field related to door bodies, and in particular to a surface-mounted door closer. Background Art

[0002] Surface-mounted door closers are generally installed on doors or door frames by bolts. Therefore, a removable decorative cover is required to cover the screw holes. This can improve the appearance of the door closer, protect the bolts, and delay rusting of the bolts.

[0003] However, in the prior art, the door closer needs to match the opening and closing direction of the door body, and the installation position is limited. Left-opening doors and right-opening doors need to be equipped with corresponding door closers respectively, which has poor versatility. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a surface-mounted door closer that can solve the problem of poor versatility of door closers.

[0005] According to the first embodiment of the present invention, the surface-mounted door closer includes: a main body, a door closer shaft, a cover plate and a clamping structure. The main body is provided with a plurality of connecting holes running through the front and back. The door closer shaft is rotatably arranged on the main body. The door closer shaft is vertically arranged on the main body, and the door closer shaft protrudes from the bottom of the main body. The cover plate is provided with a first avoidance groove and a second avoidance groove. The cover plate has a first installation position and a second installation position. In the first installation position, the cover plate can be installed on the front side of the main body, and the first avoidance groove can avoid the door closer shaft. In the second installation position, the cover plate is installed on the rear side of the main body, and the second avoidance groove can avoid the door closer shaft. The clamping structure is provided on the cover plate and the main body, and the cover plate can be clamped on the main body through the clamping structure.

[0006] The surface-mounted door closer according to the embodiment of the present invention has at least the following beneficial effects: connecting holes are provided through the front and rear of the main body, so that after the main body is flipped left or right, it can be connected to the door or door frame by bolts through the connecting holes. In the first installation position, the rear side of the main body is connected to the door or door frame, and the cover plate can be clamped on the front side of the main body by a clamping structure. The first avoidance groove of the cover plate can avoid the door closer shaft. In the second installation position, the main body is flipped left or right to the front side and connected to the door or door frame, and the position of the door closer shaft changes. The cover plate can be clamped on the rear side of the main body by a clamping structure, and the second avoidance groove can avoid the door closer shaft. Through the above structure, the main body can be flipped left or right for installation to adapt to different installation methods, and has strong versatility.

[0007] According to some embodiments of the present invention, the main body is in the shape of a rectangular parallelepiped, the door closer shaft is arranged close to the left side or right side of the main body, the cover plate includes a vertical plate and a horizontal plate, the horizontal plate is provided at the bottom of the vertical plate, the horizontal plate is extended toward the main body, the first avoidance groove and the second avoidance groove are arranged at intervals on the horizontal plate, and the vertical plate can block the front side or rear side of the main body.

[0008] According to some embodiments of the present invention, the clamping structure includes a first clamping portion and a second clamping portion, the first clamping portion is provided on the main body, the second clamping portion is provided on the cover plate, and the first clamping portion can be clamped with the second clamping portion.

[0009] According to some embodiments of the present invention, the first clamping portion is provided on the bottom of the main body, and the second clamping portion is provided on the transverse plate.

[0010] According to some embodiments of the present invention, the first clamping portion includes a sphere protruding from the main body, and the second clamping portion includes a clamping groove, and the sphere can be clamped with the clamping groove.

[0011] According to some embodiments of the present invention, a first guide bar and a second guide bar are provided on one side of the transverse plate close to the main body, and the first guide bar and the second guide bar are arranged in parallel and spaced apart so that the first guide bar and the second guide bar separate the clamping groove.

[0012] According to some embodiments of the present invention, a rounded corner is provided between the first guide bar and the main body, a rounded corner is provided between the second guide bar and the main body, and both the first guide bar and the second guide bar are semicircular.

[0013] According to some embodiments of the present invention, the clamping structure also includes a third clamping portion, a fourth clamping portion and a fifth clamping portion, the third clamping portion is arranged on the vertical plate, the fourth clamping portion is arranged on the top of the main body and is arranged close to the front side of the main body, and the fifth clamping portion is arranged on the top of the main body and is arranged close to the rear side of the main body. In the first installation position, the third clamping portion can be clamped with the fourth clamping portion, and in the second installation position, the third clamping portion can be clamped with the fifth clamping portion.

[0014] According to some embodiments of the present invention, the third clamping portion includes a hook, the fourth clamping portion includes a first clamping slot, and the fifth clamping portion includes a second clamping slot, and the hook can be clamped with the first clamping slot or the second clamping slot.

[0015] According to some embodiments of the present invention, the transverse plate and the vertical plate are an integrated structure.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a structural diagram of an embodiment of the first installation position of the utility model;

[0019] Figure 2 This is a structural diagram of an embodiment of the second installation position of the utility model;

[0020] Figure 3 for Figure 1 Schematic diagram of the decomposition;

[0021] Figure 4 for Figure 1 Schematic diagram of the decomposition.

[0022] Reference numerals:

[0023] Main body 100, connecting hole 110;

[0024] Door closer shaft 200;

[0025] Cover plate 300, first avoidance groove 310, second avoidance groove 320, vertical plate 330, horizontal plate 340, first guide bar 341, second guide bar 342;

[0026] The clamping structure 400 , the first clamping portion 410 , the sphere 411 , the second clamping portion 420 , the clamping slot 421 , the third clamping portion 430 , the hook 431 , the fourth clamping portion 440 , the first clamping slot 441 , the fifth clamping portion 450 , and the second clamping slot 451 . DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] Reference Figures 1 to 3According to the first embodiment of the present invention, the surface-mounted door closer includes a main body 100, a door closer shaft 200, a cover plate 300 and a clamping structure 400. The main body 100 is provided with a plurality of connecting holes 110 through the front and back. The door closer shaft 200 is rotatably provided on the main body 100. The door closer shaft 200 is vertically provided on the main body 100 and protrudes from the bottom of the main body 100. The cover plate 300 is provided with a first avoidance groove 310 and a second avoidance groove 320. 300 has a first installation position and a second installation position. In the first installation position, the cover plate 300 can be installed on the front side of the main body 100, and the first avoidance groove 310 can avoid the door closer shaft 200. In the second installation position, the cover plate 300 is installed on the rear side of the main body 100, and the second avoidance groove 320 can avoid the door closer shaft 200. The clamping structure 400 is provided on the cover plate 300 and the main body 100, and the cover plate 300 can be clamped on the main body 100 through the clamping structure 400. The main body 100 is provided with connecting holes 110 through the front and back, so that after the main body 100 is flipped left or right, it can be connected to the door or door frame by bolts through the connecting holes 110. In the first installation position, the rear side of the main body 100 is connected to the door or door frame, and the cover plate 300 can be clamped on the front side of the main body 100 through the clamping structure 400. The first avoidance groove 310 of the cover plate 300 can avoid the door closer shaft 200. In the second installation position, the main body 100 is flipped left or right to be connected to the front side and the door or door frame, and the position of the door closer shaft 200 changes. The cover plate 300 can be clamped on the rear side of the main body 100 through the clamping structure 400, and the second avoidance groove 320 can avoid the door closer shaft 200. Through the above structure, the main body 100 can be flipped left or right for installation to adapt to different installation methods, and has strong versatility.

[0031] Specifically, the main body 100 can be installed on a door or door frame, and the door closer shaft 200 is connected to the corresponding door or door frame. The matching structure of the door closer shaft 200 and the main body 100 is not limited here, and it can play the role of positioning and closing. During installation, the door body can be opened to the left or right, and a corresponding door closer needs to be configured to match it. In this embodiment, the main body 100 is provided with a plurality of connecting holes 110 through the front and back, so that the main body 100 can be turned left and right, and the connecting holes 110 can still correspond to the connecting parts, and can be fastened to the corresponding components by passing bolts through the connecting holes 110, so that a main body 100 It can match two different installation directions and has good versatility. After the main body 100 is installed, the cover plate 300 can be clamped on the main body 100 through the clamping structure 400, which is convenient for disassembly and assembly. After flipping left and right, the position of the door closer shaft 200 changes. The first avoidance groove 310 and the second avoidance groove 320 set on the cover plate 300 can avoid the door closer shaft 200 in two positions, so that the same cover plate 300 can be adapted to the two installation methods of the main body 100 flipped left and right, without the need to configure different cover plates 300. In summary, the above-mentioned main body 100 and cover plate 300 only need to be configured with one to meet two installation requirements, and it has strong versatility.

[0032] Reference Figures 1 to 3 In some embodiments of the present invention, the main body 100 is rectangular, the door closer shaft 200 is located near the left or right side of the main body 100, and the cover plate 300 includes a vertical plate 330 and a horizontal plate 340. The vertical plate 330 is provided with a horizontal plate 340 at the bottom, and the horizontal plate 340 extends toward the main body 100. The first avoidance groove 310 and the second avoidance groove 320 are spaced apart on the horizontal plate 340. The vertical plate 330 can block the front side or the rear side of the main body 100, thereby covering the two exposed end surfaces of the door closer.

[0033] Specifically, the main body 100 can be set to a rectangular parallelepiped, and a corresponding damping structure can be provided inside the main body 100 to act on the door closer shaft 200. The door closer shaft 200 is generally arranged close to one side of the main body 100, and the above-mentioned damping structure is placed on the other side of the main body 100. The cover plate 300 can be an L-shaped plate, which is connected by a vertical plate 330 and a horizontal plate 340. The horizontal plate 340 is located at the bottom and the vertical plate 330 is located at the front, which can cover the two exposed end faces of the door closer. The first avoidance groove 310 and the second avoidance groove 320 are provided on the horizontal plate 340 and on the edge of the horizontal plate 340 close to the main body 100. In the first installation position, the first avoidance groove 310 corresponds to the position of the door closer shaft 200. In the second installation position, the second avoidance groove 320 corresponds to the position of the door closer shaft 200.

[0034] Reference Figures 1 to 4In some embodiments of the present invention, the clamping structure 400 includes a first clamping portion 410 and a second clamping portion 420. The first clamping portion 410 is provided on the main body 100, and the second clamping portion 420 is provided on the cover 300. The first clamping portion 410 can be clamped with the second clamping portion 420. This facilitates assembly and disassembly of the cover 300.

[0035] Specifically, when the cover 300 is installed on the main body 100, the first clamping portion 410 and the second clamping portion 420 can be clamped. When disassembled, under a certain force, the first clamping portion 410 and the second clamping portion 420 can be separated. The specific clamping structure of the first clamping portion 410 and the second clamping portion 420 is not limited, which can facilitate the disassembly and assembly of the cover 300.

[0036] Reference Figures 1 to 4 In some embodiments of the present invention, the first clamping portion 410 is provided at the bottom of the main body 100, and the second clamping portion 420 is provided at the transverse plate 340. Specifically, during installation, the transverse plate 340 and the bottom of the main body 100 can be placed parallel to each other and can be aligned before being inserted parallel to each other. At this time, the first clamping portion 410 at the bottom of the main body 100 and the second clamping portion 420 of the transverse plate 340 can cooperate with each other to achieve a clamping connection, thereby facilitating the installation of the cover 300.

[0037] Reference Figures 1 to 4 In some embodiments of the present invention, the first engaging portion 410 includes a sphere 411 protruding from the main body 100, and the second engaging portion 420 includes a engaging groove 421. The sphere 411 can engage with the engaging groove 421. The engaging force between the sphere 411 and the engaging groove 421 is relatively small, making it easy to disengage and facilitate disassembly.

[0038] Specifically, a groove can be provided on the main body 100, and the sphere 411 can be provided in the groove. The sphere 411 can protrude from the surface of the main body 100, and a snap-in groove 421 can be provided on the cover 300. The snap-in groove 421 can be snapped with the raised part of the sphere 411, and the clamping force between the sphere 411 and the snap-in groove 421 is small, and it is easier to detach. The cover 300 only plays a covering role and will not fall off easily during use.

[0039] It is understandable that an elastic member may be further provided between the sphere 411 and the main body 100 , so as to drive the sphere 411 and the engaging groove 421 to engage with each other through the elastic member.

[0040] Reference Figure 4In some embodiments of the present invention, a first guide bar 341 and a second guide bar 342 are provided on the side of the transverse plate 340 close to the main body 100. The first guide bar 341 and the second guide bar 342 are arranged parallel to each other and spaced apart, so that the first guide bar 341 and the second guide bar 342 separate the engaging groove 421. This facilitates the alignment and engaging of the first engaging portion 410 and the second engaging portion 420.

[0041] Specifically, the first guide bar 341 and the second guide bar 342 can extend along the length direction of the main body 100, so that the clamping groove 421 formed therebetween can cover the entire length of the main body 100, so as to facilitate docking with the first clamping portion 410. Even if the cover plate 300 and the main body 100 are not aligned in the left and right directions, the clamping groove 421 can be clamped with the sphere 411 of the first clamping portion 410.

[0042] Reference Figure 4 In some embodiments of the present invention, a rounded corner is provided between the first guide bar 341 and the main body 100, and a rounded corner is provided between the second guide bar 342 and the main body 100. Both the first guide bar 341 and the second guide bar 342 are semicircular. This can reduce wear on the ball 411 and facilitate clamping.

[0043] Specifically, when the cover 300 is installed, the sphere 411 will contact the first guide bar 341 and the second guide bar 342. By setting the first guide bar 341 and the second guide bar 342 to a semicircular shape, the fitting resistance can be reduced, and rounded corners are also provided between the first guide bar 341, the second guide bar 342 and the main body 100. When the sphere 411 is fitted, the resistance can be further reduced, the wear of the sphere 411 can be reduced, and it is easy to clamp.

[0044] Reference Figures 3 and 4 In some embodiments of the present invention, the mounting structure 400 further includes a third mounting portion 430, a fourth mounting portion 440, and a fifth mounting portion 450. The third mounting portion 430 is disposed on the vertical plate 330, the fourth mounting portion 440 is disposed on the top of the main body 100 and is disposed near the front side of the main body 100, and the fifth mounting portion 450 is disposed on the top of the main body 100 and is disposed near the rear side of the main body 100. In the first installation position, the third mounting portion 430 can be engaged with the fourth mounting portion 440, and in the second installation position, the third mounting portion 430 can be engaged with the fifth mounting portion 450. This can further improve connection stability.

[0045] Specifically, the vertical plate 330 and the main body 100 can also be connected by snapping, and the fourth snap-fit ​​portion 440 and the fifth snap-fit ​​portion are both provided at the top of the main body 100 to respectively cooperate with the third snap-fit ​​portion 430. In the first installation position, the third snap-fit ​​portion 430 is snap-fitted with the fourth snap-fit ​​portion 440 close to the front side of the main body 100, and in the second installation position, the third snap-fit ​​portion 430 can cooperate with the fifth snap-fit ​​portion 450 on the other side, which can further improve the connection stability, and the vertical plate 330 and the horizontal plate 340 are L-shaped, which can facilitate the force application and disassembly of the corresponding snap-fit ​​structure.

[0046] Reference Figures 3 and 4 In some embodiments of the present invention, the third engaging portion 430 includes a hook 431, the fourth engaging portion 440 includes a first engaging slot 441, and the fifth engaging portion 450 includes a second engaging slot 451. The hook 431 can engage with the first engaging slot 441 or the second engaging slot 451. Specifically, the hook 431 can be bent on the vertical plate 330, and the first engaging slot 441 and the second engaging slot 451 can extend along the length of the main body 100. The hook 431 can be engaged with the first engaging slot 441 or the second engaging slot 451 to achieve engagement.

[0047] In some embodiments of the present invention, the horizontal plate 340 and the vertical plate 330 are an integral structure. Specifically, the cover plate 300 can be integrally stamped and formed to be bent into the vertical plate 330 and the horizontal plate 340, which has low manufacturing cost.

[0048] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0049] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. Surface mounted door closer, characterized in that: include: The main body (100) is provided with a plurality of connection holes (110) extending through the front and rear sides; A door closer rotating shaft (200) is rotatably provided on the main body (100), the door closer rotating shaft (200) is vertically provided on the main body (100), and the door closer rotating shaft (200) protrudes from the bottom of the main body (100); The cover plate (300) is provided with a first avoidance groove (310) and a second avoidance groove (320), and the cover plate (300) has a first installation position and a second installation position. In the first installation position, the cover plate (300) can be installed on the front side of the main body (100), and the first avoidance groove (310) can avoid the door closer shaft (200). In the second installation position, the cover plate (300) is installed on the rear side of the main body (100), and the second avoidance groove (320) can avoid the door closer shaft (200); A clamping structure (400) is provided on the cover plate (300) and the main body (100), and the cover plate (300) can be clamped on the main body (100) through the clamping structure (400).

2. The surface-mounted door closer according to claim 1, characterized in that: The main body (100) is in the shape of a rectangular parallelepiped, the door closer shaft (200) is arranged close to the left side or right side of the main body (100), the cover plate (300) includes a vertical plate (330) and a horizontal plate (340), the horizontal plate (340) is provided at the bottom of the vertical plate (330), and the horizontal plate (340) extends toward the main body (100), the first avoidance groove (310) and the second avoidance groove (320) are arranged at intervals on the horizontal plate (340), and the vertical plate (330) can block the front side or the rear side of the main body (100).

3. The surface-mounted door closer according to claim 2, characterized in that: The clamping structure (400) includes a first clamping portion (410) and a second clamping portion (420), wherein the first clamping portion (410) is provided on the main body (100), and the second clamping portion (420) is provided on the cover plate (300), and the first clamping portion (410) can be clamped with the second clamping portion (420).

4. The surface-mounted door closer according to claim 3, characterized in that: The first clamping portion (410) is provided at the bottom of the main body (100), and the second clamping portion (420) is provided on the transverse plate (340).

5. The surface-mounted door closer according to claim 3, characterized in that: The first clamping portion (410) includes a sphere (411) protruding from the main body (100), and the second clamping portion (420) includes a clamping groove (421), and the sphere (411) can be clamped with the clamping groove (421).

6. The surface-mounted door closer according to claim 5, characterized in that: A first guide bar (341) and a second guide bar (342) are provided on one side of the transverse plate (340) close to the main body (100), and the first guide bar (341) and the second guide bar (342) are arranged in parallel and spaced apart so that the first guide bar (341) and the second guide bar (342) separate the clamping groove (421).

7. The surface-mounted door closer according to claim 6, characterized in that: A rounded corner is provided between the first guide bar (341) and the main body (100), a rounded corner is provided between the second guide bar (342) and the main body (100), and both the first guide bar (341) and the second guide bar (342) are semicircular.

8. The surface-mounted door closer according to claim 3, characterized in that: The clamping structure (400) further includes a third clamping portion (430), a fourth clamping portion (440) and a fifth clamping portion (450), wherein the third clamping portion (430) is provided on the vertical plate (330), the fourth clamping portion (440) is provided on the top of the main body (100) and is arranged close to the front side of the main body (100), and the fifth clamping portion (450) is provided on the top of the main body (100) and is arranged close to the rear side of the main body (100). In the first installation position, the third clamping portion (430) can be clamped with the fourth clamping portion (440), and in the second installation position, the third clamping portion (430) can be clamped with the fifth clamping portion (450).

9. The surface-mounted door closer according to claim 8, characterized in that: The third clamping portion (430) includes a clamping hook (431), the fourth clamping portion (440) includes a first clamping slot (441), and the fifth clamping portion (450) includes a second clamping slot (451). The clamping hook (431) can be clamped with the first clamping slot (441) or the second clamping slot (451).

10. The surface-mounted door closer according to claim 2, characterized in that: The transverse plate (340) and the vertical plate (330) are an integrated structure.

Images