Pipe fitting clamping and pressing tool

Abstract

The utility model provides a pipe fitting clamping and pressing tool. The pipe fitting clamping and pressing tool comprises two connecting plates which are arranged in a front-back spaced mode and two jaw pieces which are arranged in a left-right symmetrical mode. The two jaw pieces are arranged between the two connecting plates, the middle of each jaw piece is rotationally connected with the two connecting plates, clamping and pressing notches are formed in the inner sides of the upper ends of the two jaw pieces, and an operation gap is formed between the lower ends of the two jaw pieces; the pipe fitting clamping and pressing tool further comprises a supporting plate, the supporting plate is fixed to the outer side of one connecting plate, an opening groove is formed in the upper end of the supporting plate, and a pipeline inserted into the pipe fitting is clamped into the opening groove and attached to the outer wall of the pipeline. According to the utility model, the situations of mixed use and misuse of clamping and pressing tools can be avoided, and the fool-proof effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting clamping devices, and particularly relates to a pipe fitting clamping tool. Background Art

[0002] At present, when connecting a pipe fitting and a pipeline, a clamping method is increasingly adopted to connect the two. That is, after one end of the pipeline is inserted into the end of the pipe fitting, when a pipe fitting clamping tool is used to clamp the socket of the pipe fitting, the pipe fitting and the pipeline can be fastened and achieve the purpose of circumferential sealing. There are many types and complex models of pipe fitting clamping tools on the market at present, but their structures are basically the same. That is, the pipe fitting clamping tools on the market at present include two connecting plates arranged at intervals front and back and two jaw pieces arranged symmetrically left and right; the two jaw pieces are arranged between the two connecting plates, and the middle of each jaw piece is rotatably connected to the two connecting plates. The inner sides of the upper ends of the two jaw pieces are both provided with clamping notches, and an operation gap is formed between the lower ends of the two jaw pieces; when the clamping notches on the two jaw pieces are clamped on the end of the pipe fitting, and the driving end of the electric tool is inserted into the operation gap and pushes the lower ends of the two jaw pieces outward, the clamping notches on the two jaw pieces are used to clamp the end of the pipe fitting so that the end of the pipe fitting is fastened to the pipeline inserted into the pipe fitting; however, when using the existing pipe fitting clamping tool to clamp the pipe fitting, due to the problems of difficult identification of the model and direction of the pipe fitting clamping tool, especially when the installation workers are not professionally trained, for the clamping tools of the same nominal diameter, there are situations where the national standard and the European standard cannot be distinguished, and the front and back cannot be distinguished. This will lead to the mixed use and misapplication of the clamping tools, that is, it will affect the reliability of the pipe fitting clamping by the clamping tool. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a pipe fitting clamping tool, which can avoid the mixed use and misapplication of the clamping tool and can achieve the function of preventing mistakes.

[0004] The utility model provides a pipe fitting clamping tool, which includes two connecting plates arranged at intervals front and back and two jaw pieces arranged symmetrically left and right; the two jaw pieces are arranged between the two connecting plates, and the middle of each jaw piece is rotatably connected to the two connecting plates. The inner sides of the upper ends of the two jaw pieces are both provided with clamping notches, and an operation gap is formed between the lower ends of the two jaw pieces; when the clamping notches on the two jaw pieces are clamped on the end of the pipe fitting, and the driving end of the electric tool is inserted into the operation gap and pushes the lower ends of the two jaw pieces outward, the clamping notches on the two jaw pieces are used to clamp the end of the pipe fitting so that the end of the pipe fitting is fastened to the pipeline inserted into the pipe fitting; the pipe fitting clamping tool further includes a support plate, the support plate is fixed on the outside of one of the connecting plates, and an opening groove is arranged at the upper end of the support plate for the pipeline inserted into the pipe fitting to be inserted and attached to the outer wall of the pipeline.

[0005] After the present utility model adopts the above structure, under the action of the support plate and the opening groove on the support plate, since the opening groove can only fit pipes of corresponding sizes, that is, when the outer diameter of the pipe is larger than the width of the opening groove, the pipe cannot be inserted into the opening groove. When the outer diameter of the pipe is smaller than the width of the opening groove, although the pipe can be inserted into the opening groove, after the pipe is inserted into the opening groove, the outer wall of the pipe cannot be exactly in contact with the inner wall of the opening groove. Thus, the installer can immediately discover the situation of size mismatch, and further avoid the situation of mixed use and misapplication of the crimping tools. In addition, under the indication of the support plate, the installer can easily distinguish the front and back sides of the crimping tools, so as to achieve the function of preventing mistakes.

[0006] In a possible implementation manner, the inner bottom surface of the opening groove is an arc surface, and the arc surface is used to fit with the outer side wall of the pipe. After adopting this structure, when a pipe that matches the size of the opening groove is inserted into the opening groove, the arc surface can fit with the outer side wall of the pipe, thereby improving the stability and reliability of the support for the pipe.

[0007] In a possible implementation manner, a pin is movably inserted through the middle of each jaw piece from front to back. Both the front and rear ends of each pin are respectively riveted to one of the connecting plates. Each jaw piece is rotatably connected to the two connecting plates through the pin on the corresponding side. After adopting this structure, each jaw piece can be reliably rotatably connected between the two connecting plates.

[0008] In a possible implementation manner, the support plate is fixed to the connecting plate on the corresponding side by riveting with two pins. After adopting this structure, the support plate can be reliably fixed to the outside of the connecting plate on the corresponding side, and has the advantage of convenient fixation of the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is the front view structural schematic diagram of the present utility model;

[0010] Figure 2 is the cross-sectional view structural schematic diagram of the present utility model;

[0011] Figure 3 is the cross-sectional view structural schematic diagram when the present utility model crimps a pipe fitting;

[0012] Figure 4 is the front view structural schematic diagram when two jaw pieces are symmetrically arranged;

[0013] Figure 5 is the front view structural schematic diagram of the connecting plate;

[0014] Figure 6 is the front view structural schematic diagram of the support plate. Detailed implementation manners

[0015] First of all, those skilled in the art should understand that these implementation manners are only used to explain the technical principles of the embodiments of this application, and are not intended to limit the protection scope of the embodiments of this application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.

[0016] In the description of the embodiments of this application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of this application can be understood according to specific situations.

[0017] In the embodiments of this application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal height than the second feature.

[0018] The following further elaborates on this application in detail with reference to the accompanying drawings and specific embodiments.

[0019] See Figure 1-6As shown in the figure, an embodiment of the present application discloses a pipe fitting pressing tool, which includes two connecting plates 1 arranged at intervals front and back, and two jaw pieces 2 arranged symmetrically left and right; the two jaw pieces 2 are arranged between the two connecting plates 1, and the middle of each jaw piece 2 is rotatably connected to the two connecting plates 1. A pressing notch 21 is provided on the inner side of the upper ends of the two jaw pieces 2, and an operation gap 3 is formed between the lower ends of the two jaw pieces 2; when the pressing notches 21 on the two jaw pieces 2 are clamped on the end of the pipe fitting 4, and the driving end of the power tool is inserted into the operation gap 3 and pushes the lower ends of the two jaw pieces 2 outward, the pressing notches 21 on the two jaw pieces 2 are used to press the end of the pipe fitting 4 so that the end of the pipe fitting 4 is fastened to the pipe 5 inserted in the pipe fitting 4; the pipe fitting pressing tool further includes a support plate 6, the support plate 6 is fixed on the outer side of one of the connecting plates 1, and an opening groove 61 is provided at the upper end of the support plate 6, and the opening groove 61 is used for the pipe 5 inserted in the pipe fitting 4 to be inserted and attached to the outer wall of the pipe 5; in the above structure, the front and rear sides of each jaw piece are attached to the corresponding connecting plate; in addition, the size of the opening groove on the above support plate is designed according to the outer diameter of pipes of different specifications, which can not only prevent the situation of incorrect direction when the pipe fitting pressing tool presses the pipe fitting, but also check whether the outer diameter of the pipe matches the size of the opening groove, and has the functions of anti-fooling and anti-mistake, double insurance; in addition, after the upper ends of the above two jaw pieces abut against each other, the included angle range of the operation gap formed between the lower ends of the two jaw pieces is 22° to 24°, which can make the pipe fitting pressing tool easy and labor-saving during the pressing process and conform to human dynamics.

[0020] The inner bottom surface of the opening groove 61 is an arc surface 611, and the arc surface 611 is used to fit the outer side wall of the pipe 5; after adopting this structure, when a pipe adapted to the size of the opening groove is inserted into the opening groove, the arc surface can fit the outer side wall of the pipe, so as to improve the stability and reliability of the support for the pipe.

[0021] A pin 7 is movably inserted through the middle of each jaw piece 2 from front to back, and the front and rear ends of each pin 7 are respectively riveted to one of the connecting plates 1, and each jaw piece 2 is rotatably connected to the two connecting plates 1 through the corresponding pin 7; after adopting this structure, each jaw piece can be reliably rotatably connected between the two connecting plates.

[0022] The support plate 6 is riveted and fixed to the corresponding connecting plate 1 through two pins 7; after adopting this structure, the support plate can be reliably fixed on the outer side of the corresponding connecting plate, and has the advantage of convenient fixing of the support plate.

[0023] As described above, it is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A pipe crimping tool, comprising two connecting plates (1) arranged at a front-to-back interval and two jaw pieces (2) arranged symmetrically on the left and right; the two jaw pieces (2) are arranged between the two connecting plates (1), and the middle part of each jaw piece (2) is rotatably connected to the two connecting plates (1), and the inner sides of the upper ends of the two jaw pieces (2) are provided with a crimping notch (21), and an operating gap (3) is formed between the lower ends of the two jaw pieces (2); when the crimping notches (21) on the two jaw pieces (2) are tightly clamped on the end of the pipe (4), and when the driving end of the electric tool is inserted into the operating gap (3) and the lower ends of the two jaw pieces (2) are pushed outward, the crimping notches (21) on the two jaw pieces (2) are used to crimp the end of the pipe (4) so ​​that the end of the pipe (4) is fastened to the pipe (5) inserted in the pipe (4); characterized in that: The pipe fitting clamping tool further comprises a support plate (6), the support plate (6) being fixed on the outside of one of the connecting plates (1), the upper end of the support plate (6) being provided with an open groove (61), the open groove (61) being used for allowing a pipe (5) inserted into the pipe fitting (4) to be clamped therein and to abut against the outer wall of the pipe (5).

2. The pipe pressing tool according to claim 1, characterized in that: The inner bottom surface of the opening groove (61) is an arc-shaped surface (611), and the arc-shaped surface (611) is used to fit with the outer side wall of the pipe (5).

3. The pipe pressing tool according to claim 1 or 2, characterized in that: A pin (7) is movably inserted through the middle of each jaw piece (2) from front to back, and the front and rear ends of each pin (7) are riveted to one of the connecting plates (1) respectively. Each jaw piece (2) is rotatably connected to the two connecting plates (1) via the pin (7) on the corresponding side.

4. The pipe pressing tool according to claim 3, characterized in that: The support plate (6) is riveted and fixed to the connecting plate (1) on the corresponding side via the two pins (7).

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