Lock catch assembly of copper pipe
By designing an adaptive copper tube locking assembly, and utilizing elastic clamping blocks and adjustment mechanisms, the problems of poor adaptability and loosening/falling off of the locking assembly were solved, achieving stability and a tight fit, and reducing safety risks and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-03
AI Technical Summary
Existing locking components have poor adaptability and cannot accommodate copper pipes of different specifications or sizes. They are also prone to loosening or falling off during long-term use or when subjected to external forces, leading to leaks and safety risks.
A locking assembly comprising a first elastic clamping block, a first radial adjustment mechanism, a second elastic clamping block, and an axial adjustment mechanism is designed. The elastic clamping block is automatically adjusted by mechanical transmission to adapt to copper tubes of different diameters, and the combined elastic clamping block design ensures stability and tight fit.
The locking assembly achieves self-adaptability, enabling it to adapt to copper tubes of different diameters, improving stability and tightness, reducing the risk of loosening and falling off, and lowering maintenance costs and safety hazards.
Smart Images

Figure CN223965069U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of pipe locking technology, and in particular relates to a locking assembly for copper pipes. Background Technology
[0002] A locking assembly is a connecting or fixing device, typically composed of multiple parts, including moving and fixed parts, which are engaged or disengaged through a specific mechanism to achieve locking or unlocking. This type of assembly is widely used in various applications requiring connection, fixing, or sealing, such as doors and windows, automobiles, electronic equipment, and piping systems.
[0003] In systems requiring copper tubing for fluid transfer, locking assemblies are needed to secure or connect the tubing. However, existing locking assemblies still have the following drawbacks in practical use:
[0004] 1. Existing locking assemblies have poor adaptability and cannot easily adapt to pipes of different specifications or sizes. In some cases, it is necessary to customize locking assemblies of specific specifications, which increases costs and time.
[0005] 2. The existing locking components do not fit well and are prone to loosening or falling off during long-term use or when subjected to external forces, leading to leakage, loosening or other performance problems, affecting the performance, increasing safety risks and maintenance costs.
[0006] To address this issue, we provide a locking assembly for copper pipes to solve the problems mentioned above. Utility Model Content
[0007] The purpose of this utility model is to provide a locking assembly for copper pipes. By setting a first elastic clamping block, a first radial adjustment mechanism, a second elastic clamping block, and an axial adjustment mechanism, the locking assembly can automatically adjust to adapt to copper pipes of different diameters. The combined elastic clamping block design makes the locking assembly stable and tightly fits the surface of the copper pipe, solving the problem of poor fit and easy loosening of existing locking assemblies.
[0008] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0009] This utility model relates to a locking assembly for copper pipes, comprising an intermediate sleeve, a first elastic clamping block, a side sleeve, and a second elastic clamping block. Two side sleeves are provided, symmetrically distributed at both ends of the intermediate sleeve. The intermediate sleeve contains multiple first elastic clamping blocks evenly distributed circumferentially, each fixed to its respective first radial adjustment mechanism. The first radial adjustment mechanism is embedded within the intermediate sleeve and drives the first elastic clamping block to move towards the center via mechanical transmission. The side sleeves contain multiple second elastic clamping blocks evenly distributed circumferentially, each fixed to its respective second radial adjustment mechanism. The second radial adjustment mechanism is embedded within the side sleeve and drives the second elastic clamping block towards the center via mechanical transmission.
[0010] The intermediate sleeve includes two first half-sleeves, one end of which is hinged and the other end is fastened by a snap fastener; the side sleeve includes two second half-sleeves, which are fitted with a gap between them, and each second half-sleeve is connected to the corresponding first half-sleeve through its own axial adjustment mechanism. The axial adjustment mechanism is embedded in the second half-sleeve and drives the second half-sleeve to move toward the first half-sleeve through mechanical transmission.
[0011] The present invention is further configured such that the first radial adjustment mechanism includes an arc-shaped mounting plate, a bearing seat, a first screw, a first screw sleeve, a first cross screw head, and a first guide rod; the bearing seat is fixed at the middle position of the outer surface of the arc-shaped mounting plate, the bearing seat is rotatably connected to one end of the first screw, the other end of the first screw is fixed with the first cross screw head, and the first screw passes through the first screw sleeve; two first guide rods are provided and fixed at both ends of the outer surface of the arc-shaped mounting plate.
[0012] The present invention is further configured such that a second mounting hole and a second guide rod hole are respectively provided on the cylindrical surface of the first half-body; the first screw sleeve is fixed in the second mounting hole, and the first cross screw head is embedded in the second mounting hole; the first guide rod is movably inserted into the second guide rod hole.
[0013] The present invention is further configured such that the first elastic clamping block is fixed on the inner surface of the arc-shaped mounting plate, and the first elastic clamping block covers the edge of the arc-shaped mounting plate.
[0014] The present invention is further configured such that the axial adjustment mechanism includes a second threaded sleeve, a second screw, a second cross-head screw, a positioning ring, and a second guide rod; the second threaded sleeve is fixed in a first mounting hole on the end face of the first half-sleeve, the second screw passes through the second threaded sleeve, the end of the second screw is fixed with a second cross-head screw, and the second cross-head screw is embedded in a third mounting hole on the second half-sleeve; the positioning ring is fixedly sleeved on the second screw, and the edge of the positioning ring is movably inserted into the second half-sleeve; two second guide rods are provided, fixed on the end face of the second half-sleeve, and movably inserted into the first guide rod hole on the end face of the first half-sleeve.
[0015] The present invention is further configured such that one end of the second elastic clamping block near the intermediate sleeve is configured as a wedge-shaped portion; the wedge-shaped portion is engaged between two adjacent first elastic clamping blocks.
[0016] The present invention is further configured such that the structure of the second radial adjustment mechanism is the same as that of the first radial adjustment mechanism.
[0017] This utility model has the following beneficial effects:
[0018] 1. This utility model, by setting a first elastic clamping block and a first radial adjustment mechanism, and through the built-in elastic material design, enables the latch to automatically adjust to adapt to copper pipes of different diameters. The first radial adjustment mechanism can adjust the position of the first elastic clamping block, thereby enabling the latch to further adapt to latches of different copper pipe sizes, reducing the need for latches of different specifications.
[0019] 2. By setting a first elastic clamping block, a second elastic clamping block and an axial adjustment mechanism, this utility model makes the lock stable and fits tightly to the surface of the copper tube. The combined elastic clamping block design can ensure that the copper tube is firmly clamped inside and is not easy to loosen or fall off.
[0020] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the overall structure of a locking assembly for a copper tube.
[0023] Figure 2 This is a schematic diagram of the internal structure of the intermediate sleeve of a locking assembly for a copper tube.
[0024] Figure 3 This is a schematic diagram of the internal structure of the side sleeve of a locking assembly for a copper tube.
[0025] Figure 4 This is a schematic diagram of the assembly structure of the first elastic clamping block and the second elastic clamping block of a locking assembly for a copper tube.
[0026] Figure 5 This is a schematic diagram of the first radial adjustment mechanism of a locking assembly for a copper tube.
[0027] Figure 6 This is a schematic diagram of the axial adjustment mechanism of a locking assembly for a copper tube.
[0028] Figure 7 This is a schematic diagram of the second elastic clamping block structure of a locking assembly for a copper tube.
[0029] The attached diagram lists the components represented by each number as follows:
[0030] 1-Intermediate sleeve, 101-First half-sleeve, 102-Hinge, 103-Snap fastener, 104-First mounting hole, 105-First guide rod hole, 106-Second mounting hole, 107-Second guide rod hole, 2-First elastic clamping block, 3-First radial adjustment mechanism, 301-Arc-shaped mounting plate, 302-Bearing seat, 303-First screw, 304-First threaded sleeve, 305-First cross screw head, 306-First guide rod, 4-Side sleeve, 401-Second half-sleeve, 402-Third mounting hole, 5-Axial adjustment mechanism, 501-Second threaded sleeve, 502-Second screw, 503-Second cross screw head, 504-Positioning ring, 505-Second guide rod, 6-Second elastic clamping block, 601-Wedge-shaped part, 7-Second radial adjustment mechanism. Detailed Implementation
[0031] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1
[0032] Please see Figure 1-2This utility model is a locking assembly for a copper tube, including an intermediate sleeve 1 and a first elastic clamping block 2; the intermediate sleeve 1 is provided with a plurality of first elastic clamping blocks 2 evenly distributed along the circumference, each first elastic clamping block 2 is fixed on its own first radial adjustment mechanism 3, the first radial adjustment mechanism 3 is embedded in the intermediate sleeve 1, and drives the first elastic clamping block 2 to move toward the center of the circle by mechanical transmission.
[0033] Specifically, the intermediate sleeve 1 includes two first half-sleeve bodies 101, one end of which is hinged by a hinge 102 and the other end is fastened by a buckle 103.
[0034] The operation process of this embodiment is as follows: open the two first half-body 101, place the copper pipe between the two first half-body 101, close the two first half-body 101, and lock them by the buckle 103. During the locking process, the first elastic clamping block 2 will automatically adjust the degree of bending according to the diameter of the copper pipe, so as to fit tightly against the surface of the pipe. Specific Implementation Example 2
[0035] Please see Figure 5 Based on the first specific embodiment, the first radial adjustment mechanism 3 includes an arc-shaped mounting plate 301, a bearing seat 302, a first screw 303, a first threaded sleeve 304, a first cross-head screw 305, and a first guide rod 306. The bearing seat 302 is fixed at the middle position of the outer surface of the arc-shaped mounting plate 301. The bearing seat 302 is rotatably connected to one end of the first screw 303. The other end of the first screw 303 is fixed with the first cross-head screw 305, and the first screw 303 passes through the first threaded sleeve 304. Two first guide rods 306 are provided and fixed at both ends of the outer surface of the arc-shaped mounting plate 301.
[0036] Specifically, the cylindrical surface of the first half-body 101 is provided with a second mounting hole 106 and a second guide rod hole 107 respectively; the first screw sleeve 304 is fixed in the second mounting hole 106, and the first cross screw head 305 is embedded in the second mounting hole 106; the first guide rod 306 is movably inserted into the second guide rod hole 107.
[0037] Furthermore, the first elastic clamping block 2 is fixed on the inner surface of the arc-shaped mounting plate 301, and the first elastic clamping block 2 covers the edge of the arc-shaped mounting plate 301.
[0038] The operation process of this embodiment is as follows: Based on the specifications of the copper tube, the position of the first elastic clamping block 2 is adjusted by the first radial adjustment mechanism 3. Specifically, the first Phillips head 305 is rotated by a screwdriver, which drives the first screw 303 to rotate and move towards the center. The first screw 303 drives the bearing seat 302 to move, and the bearing seat 302 drives the arc-shaped mounting plate 301 and the first elastic clamping block 2 to move. During the movement of the arc-shaped mounting plate 301, it is guided by the first guide rod 306. The first radial adjustment mechanism 3 can adjust the position of the first elastic clamping block 2, so that the latch can further adapt to latches of different copper tube sizes, reducing the need for latches of different specifications. Specific Implementation Example 3
[0039] Please see Figure 1 , 3 -4, 6-7, Based on specific embodiment one and specific embodiment two, it also includes a side sleeve 4 and a second elastic clamping block 6. There are two side sleeves 4, which are symmetrically distributed at both ends of the middle sleeve 1. The side sleeve 4 is provided with a plurality of second elastic clamping blocks 6 evenly distributed along the circumference. Each second elastic clamping block 6 is fixed on its own second radial adjustment mechanism 7. The second radial adjustment mechanism 7 is embedded in the side sleeve 4 and drives the second elastic clamping block 6 to move towards the center of the circle through mechanical transmission.
[0040] Specifically, the side sleeve 4 includes two second half-sleeves 401, which are fitted with a gap between them. Each second half-sleeve 401 is connected to the corresponding first half-sleeve 101 through its own axial adjustment mechanism 5. The axial adjustment mechanism 5 is embedded in the second half-sleeve 401 and drives the second half-sleeve 401 to move toward the first half-sleeve 101 through mechanical transmission.
[0041] Specifically, the axial adjustment mechanism 5 includes a second threaded sleeve 501, a second screw 502, a second cross-head screw 503, a positioning ring 504, and a second guide rod 505. The second threaded sleeve 501 is fixed in the first mounting hole 104 on the end face of the first half-sleeve 101. The second screw 502 passes through the second threaded sleeve 501. The end of the second screw 502 is fixed with a second cross-head screw 503, which is embedded in the third mounting hole 402 on the second half-sleeve 401. The positioning ring 504 is fixedly sleeved on the second screw 502, and the edge of the positioning ring 504 is movably inserted into the second half-sleeve 401. There are two second guide rods 505, which are fixed on the end face of the second half-sleeve 401 and movably inserted into the first guide rod hole 105 on the end face of the first half-sleeve 101.
[0042] Furthermore, the end of the second elastic clamping block 6 near the middle sleeve 1 is configured as a wedge-shaped part 601; the wedge-shaped part 601 is engaged between two adjacent first elastic clamping blocks 2.
[0043] The operation process of this embodiment is as follows: Based on the specifications of the copper tube, the position of the second elastic clamping block 6 is adjusted by the second radial adjustment mechanism 7. After the position is adjusted, the second cross screw head 503 is rotated by a screwdriver. The second cross screw head 503 drives the second screw rod 502 to rotate and move towards the intermediate sleeve 1. The second screw rod 502 drives the positioning ring 504 to move. The positioning ring 504 drives the second half-sleeve 401 to move. The second half-sleeve 401 drives the second radial adjustment mechanism 7 and the second elastic clamping block 6 on it to move until the second elastic clamping block 6 is tightly inserted between the two first elastic clamping blocks 2. The combined elastic clamping block design of the first elastic clamping block 2 and the second elastic clamping block 6 makes the lock stable and tightly fits the surface of the copper tube, which can ensure that the copper tube is firmly clamped inside and is not easy to loosen or fall off.
[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do 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 one or more embodiments or examples.
[0045] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A locking assembly for a copper pipe, comprising an intermediate sleeve (1), a first elastic clamping block (2), a side sleeve (4), and a second elastic clamping block (6); characterized in that: Two side sleeves (4) are provided, symmetrically distributed at both ends of the middle sleeve (1); The intermediate sleeve (1) is provided with a plurality of first elastic clamping blocks (2) evenly distributed along the circumference. Each first elastic clamping block (2) is fixed on its own first radial adjustment mechanism (3). The first radial adjustment mechanism (3) is embedded in the intermediate sleeve (1) and drives the first elastic clamping block (2) to move toward the center of the circle by means of mechanical transmission. The side sleeve (4) is provided with a plurality of second elastic clamping blocks (6) evenly distributed along the circumference. Each second elastic clamping block (6) is fixed on its respective second radial adjustment mechanism (7). The second radial adjustment mechanism (7) is embedded in the side sleeve (4) and drives the second elastic clamping block (6) to move toward the center of the circle by means of mechanical transmission. The intermediate sleeve (1) includes two first half-sleeves (101), one end of the two first half-sleeves (101) is hinged by a hinge (102), and the other end is fastened by a buckle (103); The side sleeve (4) includes two second half-sleeves (401), which are fitted with a gap. Each second half-sleeve (401) is connected to the corresponding first half-sleeve (101) through its own axial adjustment mechanism (5). The axial adjustment mechanism (5) is embedded in the second half-sleeve (401) and drives the second half-sleeve (401) to move toward the first half-sleeve (101) through mechanical transmission.
2. The locking assembly for a copper tube according to claim 1, characterized in that, The first radial adjustment mechanism (3) includes an arc-shaped mounting plate (301), a bearing seat (302), a first screw (303), a first screw sleeve (304), a first cross screw head (305), and a first guide rod (306). The bearing seat (302) is fixed at the middle position of the outer surface of the arc-shaped mounting plate (301). The bearing seat (302) is rotatably connected to one end of the first screw (303). The other end of the first screw (303) is fixed with the first cross screw head (305), and the first screw (303) passes through the first screw sleeve (304). Two first guide rods (306) are provided and fixed at both ends of the outer surface of the arc-shaped mounting plate (301).
3. The locking assembly for a copper tube according to claim 2, characterized in that, The first half-body (101) has a second mounting hole (106) and a second guide rod hole (107) respectively provided on its cylindrical surface. The first threaded sleeve (304) is fixed in the second mounting hole (106), and the first cross-head screw (305) is embedded in the second mounting hole (106); The first guide rod (306) is movably inserted into the second guide rod hole (107).
4. The locking assembly for a copper tube according to claim 2, characterized in that, The first elastic clamping block (2) is fixed on the inner surface of the arc-shaped mounting plate (301), and the first elastic clamping block (2) covers the edge of the arc-shaped mounting plate (301).
5. The locking assembly for a copper tube according to claim 1, characterized in that, The axial adjustment mechanism (5) includes a second threaded sleeve (501), a second screw (502), a second cross screw head (503), a positioning ring (504), and a second guide rod (505); The second threaded sleeve (501) is fixed in the first mounting hole (104) on the end face of the first half-sleeve (101). The second threaded sleeve (501) has a second threaded rod (502) passing through it. The end of the second threaded rod (502) is fixed with a second cross-head screw (503). The second cross-head screw (503) is embedded in the third mounting hole (402) on the second half-sleeve (401). The positioning ring (504) is fixedly sleeved on the second screw (502), and the edge of the positioning ring (504) is movably inserted into the second half-body (401); There are two second guide rods (505), which are fixed on the end face of the second half body (401) and movably inserted into the first guide rod hole (105) on the end face of the first half body (101).
6. The locking assembly for a copper tube according to claim 1, characterized in that, The second elastic clamping block (6) is provided with a wedge-shaped part (601) at one end near the intermediate sleeve (1); The wedge (601) engages between two adjacent first elastic clamping blocks (2).
7. A locking assembly for a copper tube according to claim 2, characterized in that, The structure of the second radial adjustment mechanism (7) is the same as that of the first radial adjustment mechanism (3).