Clamping device of metal pipe fitting
By designing an adjustable hydraulic lever and a snap-fit device for hydraulic components, the problems of cumbersome metal pipe fixing operations and large device size were solved, achieving a fast and simple fixing effect and high adaptability.
Patent Information
- Application Number
- CN202423286254.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing metal pipe fixing devices are cumbersome to operate, require multiple people to assist, and are bulky and not suitable for flexible application.
A snap-fit device comprising a base, a first snap-fit layer, and a second snap-fit layer is designed. It utilizes an adjustable hydraulic rod and hydraulic components to achieve rapid fixing of metal pipe fittings. The adjustable hydraulic rod applies constraint forces in the vertical and horizontal directions. Combined with buffer blocks and limiting structures, it simplifies operation and reduces the size of the device.
It enables quick and easy fixing of metal pipe fittings, reduces operating steps, lowers manpower requirements, and has a compact structure with strong adaptability.
Smart Images

Figure CN223498940U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of metal pipe fittings application, specifically to a snap-fit device for metal pipe fittings. Background Technology
[0002] Metal pipe fittings are widely used in various industrial applications, such as oil and gas pipeline transportation, chemical production, and many other fields. During use, metal pipe fittings need to be cut or welded for connection purposes. In these operations, the fittings need to be fixed quickly using clamping. However, in reality, due to construction schedule requirements, large-scale clamping and fixing of metal pipe fittings is frequently necessary. Existing conventional fixing devices are cumbersome, require multiple people to assist, and are bulky, making them inflexible. Utility Model Content
[0003] To address the problems mentioned in the background section, a snap-fit device for metal pipe fittings is proposed, comprising a base, a first snap-fit layer and a second snap-fit layer disposed on the upper part of the base, the first snap-fit layer abutting against the upper part of the second snap-fit layer, a plurality of adjustable hydraulic rods disposed on the upper part of the first snap-fit layer, the adjustable hydraulic rods respectively penetrating through the first snap-fit layer and the second snap-fit layer, a second buffer block disposed on the protruding semi-circular surface of the second snap-fit layer, the second buffer block abutting against the metal pipe fitting to be fixed, and the adjustable hydraulic rods applying a constraint force to the first snap-fit layer and the second snap-fit layer in the vertical direction to snap-fit and fix the metal pipe fitting.
[0004] Preferably, the adjustable hydraulic lever is provided with a lever handle at the upper part and a mounting base at the lower part of the lever handle. The mounting base is used to prevent the lever handle from shifting or falling off during rotation in the horizontal or vertical direction. The mounting base is provided with multiple buffer through holes on the arc surface to reduce the relative wear between the lever handle and the mounting base.
[0005] Preferably, the adjustable hydraulic lever is further provided with an upper limit block and a lower limit block, and a spring is provided between the upper limit block and the lower limit block. Both the upper limit block and the lower limit block are made of hard rubber, and the lower limit block is abutted and fixed to the upper surface of the first snap-fit layer.
[0006] Preferably, the adjustable hydraulic lever is internally equipped with a hydraulic component, which includes a hydraulic piston rod and a hydraulic sealing block. The hydraulic piston rod is fixedly connected to the lever handle. With the assistance of the hydraulic component, the lever handle is made easier to press down vertically.
[0007] Preferably, a rotating hinge is provided at one end of the first locking layer, a lifting strut is provided on the side of the rotating hinge near the adjustable hydraulic rod, and a handle is provided at the end away from the rotating hinge. The handle is used in conjunction with the lifting strut to facilitate the raising and lowering of the entire first locking layer.
[0008] Preferably, the lower part of the second buffer block is provided with a load-bearing cavity, which is integrally formed by die casting of a high-temperature resistant non-metallic material.
[0009] Preferably, the base has a base plate inside, the base plate is horizontally arranged, and the base plate is provided with a plurality of rotating rod limiting seats. The rotating rod limiting seats are fixedly connected to the lower end of the adjustable hydraulic rotating rod through the threaded rotation of the lower part of the adjustable hydraulic rotating rod, so as to provide vertical support force for the adjustable hydraulic rotating rod.
[0010] Preferably, the lower part of the base is provided with a first support seat and a second support seat. The first support seat is provided with a height adjustment screw inside. The lower part of the height adjustment screw is fixed to the first support seat, and the upper part is provided with an adjustment roller.
[0011] Preferably, a first height adjuster and a second height adjuster are provided on the lower outer side of the base, and a horizontal rotating rod is provided inside the base. One side of the horizontal rotating rod is fixedly connected to the first height adjuster, and the side away from the first height adjuster is engaged and fixed with the adjusting roller on the upper part of the moving height screw. By rotating the first height adjuster, the distance between the base and the bottom surface can be adjusted.
[0012] Preferably, a lateral end adjuster is provided on one side of the second snap-fit layer, and a pressing block is provided between the lateral end adjuster and the second snap-fit layer. By rotating the lateral end adjuster, the pressing block is driven to apply a horizontal constraint force between the second snap-fit layers.
[0013] Compared with the prior art, this utility model provides a snap-fit device for metal pipe fittings, which has the following advantages:
[0014] 1. By setting an adjustable hydraulic lever and cooperating with the first and second clamping layers for adjustment, the fixing and clamping operation of metal pipe fittings becomes more convenient and simple.
[0015] 2. The entire device has a compact design, occupies little space, and is highly adaptable to practical use. Attached Figure Description
[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0017] Figure 1This is an overall view of the snap-fit device in an embodiment of this utility model.
[0018] Figure 2 This is a diagram showing the snap-fit device in the open state in an embodiment of this utility model.
[0019] Figure 3 for Figure 2 A magnified view of a portion of the image from direction A.
[0020] Figure 4 This is an overall view of the adjustable hydraulic lever in an embodiment of this utility model.
[0021] Figure 5 for Figure 4 B-axis local magnification
[0022] Figure 6 for Figure 2 Overall side sectional view.
[0023] Figure 7 for Figure 2 A magnified view of the C-axis.
[0024] Figure Labels
[0025] 1-Base; 101-First support seat; 1011-First height adjuster; 1012-Horizontal rotating rod; 1013-Moving height screw; 102-Second support seat; 1021-Second height adjuster; 103-Base plate; 1031-Rod limiting seat; 2-Adjustable hydraulic rotating rod; 201-Rod handle; 202-Upper limiting block; 2021-Lower limiting block; 203-Hydraulic assembly; 2031-Hydraulic piston rod; 2032-Hydraulic sealing block; 204-Mounting seat; 3-First snap-fit layer; 301-First buffer block; 302-Rotating hinge; 303-Lifting strut; 4-Second snap-fit layer; 401-Second buffer block; 402-Bearing cavity; 403-Handle; 404-Horizontal end adjuster; 4041-Extrusion block; Detailed Implementation
[0026] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0027] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
[0028] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0030] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a 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 a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0031] like Figure 1-7 As shown, a snap-fit device for metal pipe fittings is characterized by: including a base 1, with a first snap-fit layer 3 and a second snap-fit layer 4 disposed on the upper part of the base 1, the first snap-fit layer 3 abutting against the upper part of the second snap-fit layer 4, a plurality of adjustable hydraulic rods 2 disposed on the upper part of the first snap-fit layer 3, the adjustable hydraulic rods 2 respectively penetrating through the first snap-fit layer 3 and the second snap-fit layer 4, a second buffer block 401 disposed on the protruding semi-circular surface of the second snap-fit layer 4, the second buffer block 401 abutting against the metal pipe fitting to be fixed, and the adjustable hydraulic rods 2 applying a constraint force to the first snap-fit layer 3 and the second snap-fit layer 4 in the vertical direction to snap-fit and fix the metal pipe fitting.
[0032] like Figure 1 , Figure 4 and Figure 5As shown, the adjustable hydraulic rotary rod 2 is provided with a rotary handle 201 at its upper part and a mounting base 204 at its lower part. The mounting base 204 is used to prevent the rotary handle 201 from shifting or falling off during horizontal or vertical rotation. The arc surface of the mounting base 204 is provided with multiple buffer through holes to reduce relative wear between the rotary handle 201 and the mounting base 204. The adjustable hydraulic rotary rod 2 is also provided with an upper limit block 202 and a lower limit block 2021. A spring is provided between the upper limit block 202 and the lower limit block 2021. Both the upper limit block 202 and the lower limit block 2021 are made of hard rubber. The lower limit block 2021 is abutted and fixed to the upper surface of the first snap-fit layer 3. The adjustable hydraulic lever 2 is internally equipped with a hydraulic component 203, which includes a hydraulic piston rod 2031 and a hydraulic sealing block 2032. The hydraulic piston rod 2031 is fixedly connected to the lever handle 201. With the assistance of the hydraulic component 2, the lever handle 201 is made easier to press down vertically.
[0033] like Figure 2 and Figure 1 As shown, a rotating hinge 302 is provided at one end of the first locking layer 3. A lifting support rod 303 is provided on the side of the rotating hinge 302 near the adjustable hydraulic rod 2, and a handle 403 is provided on the side away from the rotating hinge 302. The handle 403 is used in conjunction with the lifting support rod 303 to facilitate the raising and lowering of the entire first locking layer 3. A load-bearing cavity 402 is provided at the lower part of the second buffer block 401. The load-bearing cavity 402 is die-cast from a high-temperature resistant non-metallic material. A base plate 103 is provided inside the base 1. The base plate 103 is horizontally arranged. Multiple rotating rod limiting seats 1031 are provided on the base plate 103. The rotating rod limiting seats 1031 are fixedly connected to the lower end of the adjustable hydraulic rod 2 by a threaded rotation at the lower part of the adjustable hydraulic rod 2, providing vertical support force for the adjustable hydraulic rod 2.
[0034] like Figure 2 and Figure 3As shown, the lower part of the base 1 is provided with a first support base 101 and a second support base 102. The first support base 101 is provided with a height adjustment screw 1013 inside. The lower part of the height adjustment screw 1013 is fixed to the first support base, and the upper part is provided with an adjusting roller. The lower outer part of the base 1 is provided with a first height adjuster 1011 and a second height adjuster 1021. The base 1 is provided with a horizontal rotating rod 1012 inside. One side of the horizontal rotating rod 1012 is fixedly connected to the first height adjuster 1011, and the side away from the first height adjuster is engaged and fixed with the adjusting roller on the upper part of the height adjustment screw 1013. By rotating the first height adjuster 1011, the distance between the base 1 and the bottom surface can be adjusted. A lateral end adjuster 404 is provided on one side of the second snap-fit layer 4. A pressing block 4041 is provided between the lateral end adjuster 404 and the second snap-fit layer 4. By rotating the lateral end adjuster 404, the pressing block 4041 is driven to apply a horizontal constraint force to the second snap-fit layer 4.
[0035] Working principle: When the metal pipe clamping device is needed, firstly, the upper part of the entire device is lifted to a certain height using the handle 403, making it easy to place the metal pipe into the upper part of the load-bearing cavity 402. Then, by rotating the handle 403 in conjunction with the lifting support rod 303 and the rotating hinge 302 downwards, the second buffer block 401 and the load-bearing cavity 402 can be brought into contact with the metal pipe. By rotating and pressing down the adjustable hydraulic rod 2, the adjustable hydraulic rod 2 is fixedly connected to the rod limiting seat 1031. Each metal pipe corresponds to one adjustable hydraulic rod 2, applying a vertical constraint force. Then, the lateral end adjuster 404 pushes the pressing block 4041, increasing the lateral constraint force. This ensures that the metal pipe has corresponding constraints in both the vertical and horizontal directions, enabling rapid tightening and adjustment, and improving production efficiency.
[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A clamping device for metal pipe fittings, characterized in that: The device includes a base, on the upper part of which are provided a first snap-fit layer and a second snap-fit layer. The first snap-fit layer abuts against the upper part of the second snap-fit layer. Multiple adjustable hydraulic rods are provided on the upper part of the first snap-fit layer. The adjustable hydraulic rods pass through the first snap-fit layer and the second snap-fit layer respectively. A second buffer block is provided on the raised semi-circular surface of the second snap-fit layer. The second buffer block abuts against the metal pipe to be fixed. The adjustable hydraulic rods apply a constraint force to the first snap-fit layer and the second snap-fit layer in the vertical direction to snap and fix the metal pipe.
2. The snap-fit device for metal pipe fittings as described in claim 1, characterized in that: The adjustable hydraulic lever is provided with a lever handle at the top and a mounting base at the bottom. The mounting base is used to prevent the lever handle from shifting or falling off during horizontal or vertical rotation. The mounting base has multiple buffer through holes on its arc surface to reduce relative wear between the lever handle and the mounting base.
3. The snap-fit device for metal pipe fittings as described in claim 1, characterized in that: The adjustable hydraulic rotary rod is also provided with an upper limit block and a lower limit block. A spring is provided between the upper limit block and the lower limit block. Both the upper limit block and the lower limit block are made of hard rubber. The lower limit block is abutted and fixed to the upper surface of the first snap-fit layer.
4. The snap-fit device for metal pipe fittings as described in claim 2, characterized in that: The adjustable hydraulic lever is internally equipped with a hydraulic component, which includes a hydraulic piston rod and a hydraulic sealing block. The hydraulic piston rod is fixedly connected to the lever handle. With the assistance of the hydraulic component, the lever handle is made easier to press down vertically.
5. The snap-fit device for metal pipe fittings as described in claim 1, characterized in that: A rotating hinge is provided at one end of the first locking layer. A lifting support rod is provided on the side of the rotating hinge near the adjustable hydraulic rod, and a handle is provided at the end away from the rotating hinge. The handle is used in conjunction with the lifting support rod to facilitate the raising and lowering of the entire first locking layer.
6. The snap-fit device for a metal pipe fitting as described in claim 1, characterized in that: The lower part of the second buffer block is provided with a load-bearing cavity, which is made of high-temperature resistant non-metallic material by die casting.
7. The snap-fit device for a metal pipe fitting as described in claim 1, characterized in that: The base has a base plate inside, which is horizontally arranged. Multiple rotating rod limiting seats are provided on the base plate. The rotating rod limiting seats are fixedly connected to the lower end of the adjustable hydraulic rod through the threaded rotation of the lower part of the adjustable hydraulic rod, providing vertical support force for the adjustable hydraulic rod.
8. The snap-fit device for metal pipe fittings as described in claim 1, characterized in that: The base has a first support seat and a second support seat at its lower part. The first support seat has a height adjustment screw inside. The lower part of the height adjustment screw is fixed to the first support seat, and the upper part is provided with an adjustment roller.
9. The snap-fit device for a metal pipe fitting as described in claim 8, characterized in that: The lower outer side of the base is provided with a first height adjuster and a second height adjuster. The base is provided with a horizontal rotating rod. One side of the horizontal rotating rod is fixedly connected to the first height adjuster, and the side away from the first height adjuster is engaged and fixed with the adjusting roller at the top of the moving height screw. By rotating the first height adjuster, the distance between the base and the bottom surface can be adjusted.
10. The snap-fit device for a metal pipe fitting as described in claim 1, characterized in that: A lateral end adjuster is provided on one side of the second snap-fit layer. A pressing block is provided between the lateral end adjuster and the second snap-fit layer. By rotating the lateral end adjuster, the pressing block is driven to apply a horizontal constraint force between the second snap-fit layers.