Bolt adjuster

Abstract

The utility model discloses a bolt regulator which comprises an upper mounting seat and a lower mounting seat, the upper mounting seat is mounted on a door frame or the ground and is also provided with a first bolt hole; a second bolt hole is formed in the lower mounting seat; the upper mounting seat and the lower mounting seat are detachably connected, and when the upper mounting seat and the lower mounting seat are connected, the first plug pin hole and the second plug pin hole coincide to form a through hole allowing a plug pin to be inserted; the opposite connecting side surfaces of the upper mounting seat and the lower mounting seat are provided with a plurality of groups of concave parts and convex parts which are in concave-convex fit and are used for limiting the relative movement of the upper mounting seat and the lower mounting seat; the concave parts and the convex parts are distributed at equal intervals in the width direction, and when the different concave parts are matched with the convex parts, the width and the position of the through hole can be adjusted. The position of the through hole can be adjusted through a conventional tool, then a door gap and a lock qualified gap are achieved, meanwhile, the position is relatively fixed after adjustment, and looseness and displacement are not prone to occurring.

Description

Technical Field

[0001] This utility model relates to the field of furniture doors and windows, specifically a latch adjuster. Background Technology

[0002] A bolt adjuster is a device installed on a door frame or floor, assembled with the latch or bolt on the door panel, allowing the door to remain relatively stationary within the door frame. Taking a top and bottom bolt as an example, the bolt adjuster for a top and bottom bolt is generally box-shaped, with a slot on the bolt-facing end. Slot sizes generally come in several standard specifications, but because there are no industry standards for bolt sizes, or because the slot and bolt wear down over time, a large gap can develop between them. This gap can cause the door panel to loosen, creating noise and other hazards. Therefore, there are two common methods for adjusting the slot size. One method uses a bolt adjuster with a bent metal sheet on the inner wall of the slot. This type of adjuster can be bent at a suitable angle using tools, narrowing the slot and thus adjusting the door gap. The other method uses a sliding slider within the slot. The slider moves within a track to move the bolt, allowing for more flexible and fine-tuning adjustments, commonly found in doors and windows requiring high precision. Based on method one, this type of adjuster requires specific tools, making the adjustment process inconvenient; based on method two, since the slider itself is movable, the slider often slides away from the predetermined position after adjustment, resulting in poor adjustment effect. Summary of the Invention

[0003] To address the problems mentioned in the background art, the purpose of this utility model is to provide a pin adjuster that is easy to adjust, and whose slot width is limited after adjustment, making it less prone to loosening and displacement.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A latch adjuster includes an upper mounting base and a lower mounting base; the upper mounting base is mounted on a door frame or the ground and has a first latch hole; the lower mounting base has a second latch hole; the upper mounting base and the lower mounting base are detachably connected, and when they are connected, the first latch hole and the second latch hole coincide to form a through hole for latch insertion; the opposing connecting sides of the upper and lower mounting bases are provided with multiple sets of concave and convex portions for limiting their relative movement; the concave and convex portions are equidistantly distributed in the width direction, and the width and position of the through hole can be adjusted when different concave portions mate with the convex portions.

[0006] Preferably, the upper mounting base and the lower mounting base are connected by bolts; the upper mounting base is provided with a first connecting hole through which the bolts can pass; the lower mounting base is provided with a second connecting hole through which the bolts can pass.

[0007] Preferably, the protrusion is one or more of a protrusion, a dot, a block, or a strip; the shape of the recess is adapted to the protrusion, or its size is larger than the protrusion, so that the protrusion can be accommodated in the recess.

[0008] Preferably, the recesses and protrusions are staggered on the upper and lower mounting seats; the protrusions are strip-shaped structures with a triangular cross-section; and the recesses, when located on the upper mounting seat, are groove structures with an inverted trapezoidal cross-section.

[0009] Preferably, when the recess is disposed on the lower mounting base, it is an inverted triangular groove structure that matches the cross-section of the protrusion.

[0010] Preferably, the upper mounting base includes a rising portion and a sinking portion; the rising portion is formed on both sides of the sinking portion for connecting with the door frame; the sinking portion is positioned lower than the rising portion, thereby forming a receiving groove between the sinking portion and the rising portion for the lower mounting base to accommodate; the first connecting hole and the first pin hole are located in the sinking portion; the lower mounting base and the sinking portion are in a concave-convex fit.

[0011] Preferably, the lower end face of the lower mounting base is provided with a first guide ramp facing the center on both sides in the width direction.

[0012] Preferably, the second pin hole is provided with a second guide ramp circumferentially toward the center of the hole on the side facing the pin.

[0013] Preferably, the second pin hole is an oblong hole or a rectangular hole.

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

[0015] 1. The pin adjuster adopts a split and detachable structure and is connected by bolts. No special tools are required, and the position and width of the through hole for pin insertion are easy to adjust.

[0016] 2. The concave-convex mating of the concave and convex parts allows for adjustment of the through hole to different degrees, and the adjustment also acts as a limit, restricting the relative movement of the upper and lower mounting seats, so that the adjusted through hole position will not become loose or displaced.

[0017] 3. A guide ramp design has been added, making the latch adjuster of this invention suitable for latches with spring compression self-locking function, resulting in more intelligent door closing. Attached Figure Description

[0018] Figure 1 This is an exploded view of an embodiment of the present utility model;

[0019] Figure 2This is a front view of an embodiment of the present utility model;

[0020] Figure 3 This is a top view of an embodiment of the present utility model;

[0021] Figure 4 This is a partial cross-sectional view of the lower mounting base and the upper mounting base in a concave-convex fit according to an embodiment of the present utility model;

[0022] Figure 5 This is a top view of the mounting base in an embodiment of the present invention;

[0023] Figure 6 This is a bottom view of the mounting base in an embodiment of this utility model;

[0024] Figure 7 This is a cross-sectional view of the mounting base in an embodiment of this utility model;

[0025] Figure 8 This is a perspective view of the lower mounting base according to another embodiment of the present utility model. Detailed Implementation

[0026] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] like Figure 1-8As shown, this utility model discloses a pin adjuster, including an upper mounting base 1 installed on a door frame or the ground and a lower mounting base 2 installed on the upper mounting base 1; the upper mounting base 1 is provided with a first pin hole 10; the lower mounting base 2 is provided with a second pin hole 20; the upper mounting base 1 and the lower mounting base 2 are detachably connected, and when the two are connected, the first pin hole 10 and the second pin hole 20 coincide to form a through hole for inserting a pin 4; the opposite connecting sides of the upper mounting base 1 and the lower mounting base 2 are provided with multiple sets of concave and convex parts that fit together to limit the relative movement of the two; the concave and convex parts are equidistantly distributed in the width direction, and when different concave parts fit with the convex parts, the width and position of the through hole can be adjusted.

[0030] like Figure 3 As shown, the Y direction represents the width direction, and the X direction represents the length direction. The upper mounting base 1 is relatively fixed, while the lower mounting base 2 moves along the width direction on the upper mounting base 1, thereby adjusting the width and position of the through hole, and consequently adjusting the gap between the door and the door frame after the door latch is inserted into the through hole. Furthermore, the recesses and protrusions restrict the relative movement of the upper and lower mounting bases, ensuring that the adjusted through hole position will not loosen or shift. The minimum adjustment range for the through hole position is the distance between two adjacent protrusions.

[0031] Furthermore, the upper mounting base 1 and the lower mounting base 2 are connected by bolts 3; the upper mounting base 1 is provided with a first connecting hole 13 through which the bolts 3 can pass; the lower mounting base 2 is provided with a second connecting hole 23 through which the bolts 3 can pass. In this embodiment, the upper and lower mounting bases are connected by bolts, which ensures a stable connection and facilitates easy installation and removal without the need for special tools.

[0032] Furthermore, the protrusion is one or more of a protrusion, a dot, a block, or a strip; the shape of the recess is adapted to the protrusion, or its size is larger than the protrusion, so that the protrusion can be accommodated within the recess. In this embodiment, the recesses and protrusions are staggered on the upper and lower mounting seats; the protrusions 11 on the upper mounting seat and 21 on the lower mounting seat are both strip-shaped structures with a triangular cross-section; while the recesses differ on the upper and lower mounting seats; the recess 12 on the upper mounting seat is a groove structure with an inverted trapezoidal cross-section. The recess 22 on the lower mounting seat is an inverted triangular groove structure adapted to the cross-section of the protrusion. Figure 4 As shown, the recess 12 of the upper mounting base can accommodate two adjacent protrusions 11 of the lower mounting base and a recess 22 between the two protrusions 11.

[0033] Furthermore, the upper mounting base includes a rising portion 15 and a recessed portion 14; the rising portion 15 is formed on both sides of the recessed portion 14 for connection with the door frame; the recessed portion 14 is positioned lower than the rising portion 15, thereby forming a receiving groove 16 between the recessed portion 14 and the rising portion 15 for the lower mounting base 2 to be accommodated; the first connecting hole 13 and the first pin hole 10 are located in the recessed portion; the lower mounting base 2 and the recessed portion 14 are in a concave-convex fit, and the recessed portion 12 and the protruding portion 11 of the lower mounting base are located in the recessed portion 14. Figure 2 As shown, when the lower mounting base 2 is installed on the recessed part 14, its lower end face is basically flush with the lower end face of the rising part 15, making the overall adjuster flat and aesthetically pleasing. Here, the lower end face refers to the end face facing the pin 4, and the opposite is the upper end face.

[0034] Furthermore, the lower end face of the lower mounting base 2 is provided with a first guide ramp 24 facing the center on both sides in the width direction. The first guide ramp 24 is mainly used to guide the pin with spring compression self-locking function to slide into the through hole for self-locking. Furthermore, the second pin hole 20 is an oblong hole; a second guide ramp 25 facing the center of the hole is provided around the oblong hole on the side facing the pin. The second guide ramp 25 is also used to guide the pin 4 to slide into the through hole. Specifically, taking a common spring compression self-locking pin as an example, when the user pushes the door with the pin 4 onto the door frame, the pin 4 gradually contacts the first guide ramp 24 and begins to be compressed. The spring is in a compressed state. When the pin 4 gradually approaches the through hole and enters the through hole along the second guide ramp 25, the spring pushes up, causing the pin 4 to spring up and achieve self-locking. Figure 7 As shown, the waist-shaped sides of the second pin hole 20 in this embodiment are parallel to the length direction. This design makes the pin's range of motion small, and the door is not easy to shake after self-locking, making it relatively quiet. The lower mounting base 2 in this embodiment is especially suitable for cylindrical pins.

[0035] Furthermore, such as Figure 8 As shown, this utility model discloses a lower mounting base 2' of another shape. The difference between this lower mounting base 2' and the lower mounting base 2' in the above embodiment lies in the shape of the second pin hole. In this embodiment, the second pin hole 20' is rectangular, and the long side of the rectangle is parallel to the width direction. This design allows the adjuster of this utility model to adapt to pins of different sizes, and the adjustable range of the through hole is also larger. At the same time, this lower mounting base 2' is also suitable for square pins. For those skilled in the art, various other corresponding changes and modifications can be made based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the claims of this utility model.

Claims

1. A pin adjuster, characterized in that, The device includes an upper mounting base and a lower mounting base. The upper mounting base is installed on a door frame or the ground and has a first pin hole. The lower mounting base has a second pin hole. The upper mounting base and the lower mounting base are detachably connected. When they are connected, the first pin hole and the second pin hole coincide to form a through hole for pin insertion. The opposing connecting sides of the upper and lower mounting bases are provided with multiple sets of concave and convex parts that fit together to restrict their relative movement. The concave and convex parts are equidistantly distributed in the width direction. When different concave parts fit with the convex parts, the width and position of the through hole can be adjusted.

2. The pin adjuster according to claim 1, characterized in that, The upper mounting base and the lower mounting base are connected by bolts; the upper mounting base is provided with a first connecting hole through which bolts can pass; the lower mounting base is provided with a second connecting hole through which bolts can pass.

3. A pin adjuster according to claim 1, characterized in that, The protrusion is one or more of the following: a protrusion, a dot, a block, or a strip; the shape of the recess is adapted to the protrusion, or its size is larger than the protrusion, so that the protrusion can be accommodated in the recess.

4. A pin adjuster according to claim 3, characterized in that, The recesses and protrusions are staggered on the upper and lower mounting seats; the protrusions are strip-shaped structures with a triangular cross-section; the recesses, when located on the upper mounting seat, are groove structures with an inverted trapezoidal cross-section.

5. A pin adjuster according to claim 4, characterized in that, When the recess is provided on the lower mounting base, it is an inverted triangular groove structure that matches the cross-section of the protrusion.

6. A pin adjuster according to claim 2, characterized in that, The upper mounting base includes a rising portion and a sinking portion; the rising portion is formed on both sides of the sinking portion for connecting with the door frame; the sinking portion is positioned lower than the rising portion, thereby forming a receiving groove between the sinking portion and the rising portion for the lower mounting base to accommodate; the first connecting hole and the first pin hole are located in the sinking portion; the lower mounting base and the sinking portion are in a concave-convex fit.

7. A pin adjuster according to claim 6, characterized in that, The lower end face of the lower mounting base has a first guide ramp facing the center on both sides in the width direction.

8. A pin adjuster according to claim 1, characterized in that, The second pin hole is provided with a second guide ramp on the side facing the pin, which is circumferentially oriented toward the center of the hole.

9. A pin adjuster according to claim 8, characterized in that, The second pin hole is an oblong or rectangular hole.

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