Multi-directional adjustable cushioning door closer

Abstract

This utility model relates to the field of buffer door closer technology, specifically disclosing a multi-directional adjustable buffer door closer, including a lateral buffer and a stop block. The lateral buffer includes a strip-shaped shell, a trigger block that slides laterally and engages with the left side of the front wall of the strip-shaped shell, and a damping cylinder and a spring located on the right side of the inner cavity of the strip-shaped shell. The stop block includes a fixed seat and a sliding block. The top of the fixed seat slides laterally and engages with the top cavity of the door frame. A groove is provided vertically in the middle of the front wall of the fixed seat, and strip-shaped protrusions are provided on both sides of the front end of the groove. The inner sidewall of the strip-shaped protrusions is provided with toothed protrusions. The sliding block includes an insert plate that slides vertically and engages with the groove, and a locking block integrally formed on the top of the middle of the front wall of the insert plate and located between the two strip-shaped protrusions. Multiple positioning teeth that engage and match the toothed protrusions are provided on both sides of the locking block. This invention effectively solves the problems of limited applicability and inconvenience in positioning and installation of buffer door closers for sliding doors.

Description

Technical Field

[0001] This utility model relates to the field of buffer door closer technology, specifically a multi-directional adjustable buffer door closer. Background Technology

[0002] A buffer door closer is a device that uses hydraulic or mechanical structures to automatically close a door and buffer impacts. Its core function is to control the closing speed by storing and releasing energy, while reducing noise and damage to the door.

[0003] Currently, commonly used door closers generally include a lateral buffer and a stop. The lateral buffer is fixed to the top of the door, and the stop is fixed to the cavity at the top of the door frame. During the sliding closing process, when the door is close to closing, the trigger of the lateral buffer will abut against the stop, thereby controlling the closing speed of the door.

[0004] However, in practical applications of soft-close door closers, the distance between the top surface of the door and the top surface of the door frame cavity varies, and users also have different requirements for the soft-close closing amplitude. Therefore, after installing the horizontal buffer on the top surface of the door, it is difficult to position the stop block. Moreover, existing soft-close door closers can only adapt to specific sliding doors and lack universality, thus limiting their application scope. Utility Model Content

[0005] The purpose of this utility model is to provide a multi-directional adjustable buffer door closer to solve the problems of limited application scope and inconvenience of positioning and installation of current buffer door closers for sliding doors.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-directional adjustable buffer door closer, comprising a lateral buffer and a stop block. The lateral buffer includes a strip-shaped housing fixed to the top surface of the door body, a trigger block that slides laterally and engages with the left side of the middle of the front wall of the strip-shaped housing, a damping cylinder located on the right side of the inner cavity of the strip-shaped housing with the end of the telescopic rod hinged to the right side of the trigger block, and springs with their two ends respectively connected to the right wall of the inner cavity of the strip-shaped housing and the right rear end of the trigger block. The stop block includes a fixed seat and a sliding block. The top of the fixed seat slides laterally and engages with the top of the top cavity of the door frame. The middle of the front wall of the fixed seat has a slot along the vertical direction. The front ends of the slot have strip-shaped protrusions on both sides. The inner sidewall of the strip-shaped protrusions has toothed protrusions. The sliding block includes an insert plate that slides vertically and engages with the slot, and a locking block integrally formed on the top of the middle of the front wall of the insert plate and located between the two strip-shaped protrusions. The two sides of the locking block have multiple positioning teeth that engage and match the toothed protrusions.

[0007] Preferably, the top and front sides of the fixed seat are respectively provided with a second locking strip and a first locking strip that are slidably engaged with the top strip protrusion of the top cavity of the door frame in a transverse direction.

[0008] Preferably, the top surface of the fixing seat is provided with a top hole.

[0009] Preferably, the card slot has a side hole in the middle of its rear wall.

[0010] Preferably, the positioning teeth on both sides of the card block are staggered in the vertical direction.

[0011] Preferably, countersunk holes are provided at both ends of the top surface of the strip-shaped shell.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The lateral buffer in this utility model, which relates to a multi-directional adjustable buffer door closer, is easy to fix to the top surface of the door body first. Then, the fixing seat is easy to slide left and right along the lateral direction in the top cavity of the door frame, thereby facilitating the overall positioning and installation of the stop block. The sliding block can be adjusted up and down relative to the fixing seat to match the lateral buffer, thus effectively solving the problems of limited application range and inconvenient positioning and installation of the buffer door closer for sliding doors. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the entire utility model;

[0015] Figure 2 This is a top view of the transverse buffer structure of this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the stop block of this utility model;

[0017] Figure 4 This is a first three-dimensional structural diagram of the fixing base of this utility model;

[0018] Figure 5 This is a schematic diagram of the second three-dimensional structure of the fixing base of this utility model;

[0019] Figure 6 This is a three-dimensional structural diagram of the sliding block of this utility model.

[0020] In the diagram: 1-lateral buffer; 1.1-strip housing; 1.1.1-counterhead; 1.2-trigger block; 1.3-spring; 1.4-damping cylinder;

[0021] 2-Stop; 2.1-Fixed base; 2.1.1-Slot; 2.1.2-Strip protrusion; 2.1.3-Toothed protrusion; 2.1.4-Slot strip one; 2.1.5-Slot strip two; 2.1.6-Top hole; 2.1.7-Side hole; 2.2-Sliding block; 2.2.1-Insert plate; 2.2.2-Slot block; 2.2.3-Positioning tooth. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-6 This utility model provides a technical solution: a multi-directional adjustable buffer door closer, comprising a lateral buffer 1 and a stop block 2.

[0024] The transverse buffer 1 includes a strip-shaped housing 1.1 fixed to the top surface of the door, a trigger block 1.2 slidably engaged with the left side of the middle of the front wall of the strip-shaped housing 1.1, a damping cylinder 1.4 located on the right side of the inner cavity of the strip-shaped housing 1.1 with the end of the telescopic rod hinged to the right side of the trigger block 1.2, and a spring 1.3 with its two ends connected to the right wall of the inner cavity of the strip-shaped housing 1.1 and the right rear end of the trigger block 1.2, respectively. The strip-shaped housing 1.1 has countersunk holes 1.1.1 at both ends of its top surface, allowing countersunk screws to be used to fix the strip-shaped housing 1.1 to the top surface of the sliding door.

[0025] The stop block 2 includes a fixed seat 2.1 and a sliding block 2.2. The top of the fixed seat 2.1 is slidably engaged with the top of the top cavity of the door frame in a horizontal direction. The middle of the front wall of the fixed seat 2.1 has a groove 2.1.1 in a vertical direction. The front sides of the groove 2.1.1 are respectively provided with strip-shaped protrusions 2.1.2. The inner sidewall of the strip-shaped protrusions 2.1.2 is provided with tooth-shaped protrusions 2.1.3. The top surface of the fixed seat 2.1 has a top hole 2.1.6.

[0026] The sliding block 2.2 includes an insert plate 2.2.1 that slides vertically into the slot 2.1.1, and a locking block 2.2.2 integrally formed on the top of the front wall of the insert plate 2.2.1 and located between two strip-shaped protrusions 2.1.2. The locking block 2.2.2 has multiple positioning teeth 2.2.3 on both sides that engage with the toothed protrusions 2.1.3. The top of the fixed base 2.1 has locking strips 2.1.5 and 2.1.4 on its front and rear sides, respectively, that slide horizontally into the strip-shaped protrusions at the top of the door frame cavity.

[0027] In summary, when installing the buffer door closer as a whole, first fix the horizontal buffer 1 as a whole on the top surface of the sliding door panel.

[0028] Then, the fixing seat 2.1 is slidably mounted on the strip-shaped protrusion at the top of the top cavity of the door frame through the first clip 2.1.4 and the second clip 2.1.5. By sliding the fixing seat 2.1 laterally, the position of the fixing seat 2.1 can be easily adjusted left and right to the designed position.

[0029] Then insert the insert plate 2.2.1 from the bottom of the slot 2.1.1, and engage the positioning teeth 2.2.3 with the toothed protrusions 2.1.3 at different positions to achieve vertical flexible adjustment of the sliding block 2.2, so that the bottom of the insert plate 2.2.1 matches the height of the trigger block 1.2.

[0030] After the fixed seat 2.1 is positioned, it is firmly fixed to the top cavity of the door frame with screws through the top hole 2.1.6.

[0031] In practical application, when the sliding door is closed to near its final close, trigger block 1.2 abuts against the bottom end of insert plate 2.2.1. The left end of trigger block 1.2 deflects forward, causing its latch to engage with the bottom end of insert plate 2.2.1. At this point, trigger block 1.2 disengages from the slot near the left end of the front wall of strip housing 1.1. Spring 1.3 and damping cylinder 1.4 then slowly pull trigger block 1.2 back, causing the door to close slowly and providing a buffer during the closing process, preventing hand pinching or other issues.

[0032] When the door opens, the latch of trigger block 1.2 is still engaged with the bottom of insert plate 2.2.1. During the opening process, the strip housing 1.1 moves to the right with the door, and spring 1.3 and damping cylinder 1.4 are both stretched by trigger block 1.2. When the door is nearly fully open, trigger block 1.2 moves relative to the slot on the front wall of strip housing 1.1 near the left side. At this time, the extension rod of damping cylinder 1.4 extends to its longest position. Under the pulling action of spring 1.3 on its right rear end, the left end of trigger block 1.2 will be engaged in the slot, thereby locking the position of trigger block 1.2 and locking spring 1.3 and damping cylinder 1.4 in the stretched state. At the same time, the bottom of insert plate 2.2.1 disengages from the latch of trigger block 1.2 to facilitate the slow closing operation in the next cycle.

[0033] The positioning teeth 2.2.3 on both sides of the locking block 2.2.2 are staggered vertically. Specifically, three positioning teeth 2.2.3 can be provided on the left side of the locking block 2.2.2, and two positioning teeth 2.2.3 are provided on the right side of the locking block 2.2.2, which allows the sliding block 2.2 to be adjusted in multiple positions relative to the fixed base 2.1, and can improve the stability of the relative position of the sliding block 2.2 and the fixed base 2.1.

[0034] In order to further fix the sliding block 2.2 to the fixed seat 2.1 after the sliding block 2.2 is adjusted and positioned in the vertical direction, a side hole 2.1.7 is provided in the middle of the rear wall of the slot 2.1.1. Screws are used to fix the fixed seat 2.1 and the sliding block 2.2 firmly through the side hole 2.1.7.

[0035] It should be noted that in this article, relational terms such as first and second are only used to refer to...

[0036] Distinguishing one entity or operation from another does not necessarily require or imply any such actual relationship or order between those entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-directional adjustable buffer door closer, comprising a lateral buffer (1) and a stop (2), characterized in that: The transverse buffer (1) includes a strip-shaped housing (1.1) fixed to the top surface of the door, a trigger block (1.2) slidably attached to the left side of the middle of the front wall of the strip-shaped housing (1.1), a damping cylinder (1.4) located on the right side of the inner cavity of the strip-shaped housing (1.1) with the end of the telescopic rod hinged to the right side of the trigger block (1.2), and a spring (1.3) with its two ends respectively connected to the right wall of the inner cavity of the strip-shaped housing (1.1) and the right rear end of the trigger block (1.2). The stop block (2) includes a fixed seat (2.1) and a sliding block (2.2). The top of the fixed seat (2.1) is slidably engaged with the top of the top cavity of the door frame along the horizontal direction. The middle of the front wall of the fixed seat (2.1) is provided with a slot along the vertical direction. 2.1.1), the front end of the slot (2.1.1) is provided with strip-shaped protrusions (2.1.2) on both sides, and the inner sidewall of the strip-shaped protrusions (2.1.2) is provided with toothed protrusions (2.1.3); the sliding block (2.2) includes an insert plate (2.2.1) that slides and engages with the slot (2.1.1) vertically, and a locking block (2.2.2) integrally formed on the top of the middle part of the front wall of the insert plate (2.2.1) and located between the two strip-shaped protrusions (2.1.2), and the two sides of the locking block (2.2.2) are provided with a plurality of positioning teeth (2.2.3) that engage and match the toothed protrusions (2.1.3).

2. The multi-directional adjustable buffer door closer according to claim 1, characterized in that: The top front and rear sides of the fixed seat (2.1) are respectively provided with a second locking strip (2.1.5) and a first locking strip (2.1.4) that are matched and slidably engaged with the strip-shaped protrusion at the top of the top cavity of the door frame.

3. The multi-directional adjustable buffer door closer according to claim 1, characterized in that: The top surface of the fixing base (2.1) is provided with a top hole (2.1.6).

4. A multi-directional adjustable buffer door closer according to claim 1, characterized in that: The card slot (2.1.1) has a side hole (2.1.7) in the middle of its rear wall.

5. A multi-directional adjustable buffer door closer according to claim 1, characterized in that: The positioning teeth (2.2.3) on both sides of the card block (2.2.2) are staggered in the vertical direction.

6. A multi-directional adjustable buffer door closer according to claim 1, characterized in that: The strip-shaped shell (1.1) has countersunk holes (1.1.1) at both ends of its top surface.

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