Metal pipeline clamping device
The metal pipe clamping device, which uses the meshing of the inner and outer toothed sleeves, solves the problem of poor welding sealing, achieves efficient sealing and strong connection of the pipe, and avoids water vapor corrosion and loosening of threads.
Patent Information
- Application Number
- CN202620000281.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-04
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2036-01-04
AI Technical Summary
In existing metal pipe connections, welding has poor sealing performance, resulting in weak connections and difficulty in achieving efficient sealing.
A metal pipe clamping device with an inner and outer toothed sleeve is used. The inner toothed sleeve is welded to the first connecting pipe and the outer toothed sleeve is welded to the second connecting pipe to achieve a relatively fixed connection of the pipe. A sealing ring and a dustproof ring are combined to enhance the sealing performance and connection strength.
It enables quick connections between pipes, eliminates the need for welding, improves sealing and connection strength, and prevents water vapor corrosion and thread loosening.
Smart Images
Figure CN223881952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal pipeline clamping device field, specifically a metal pipeline clamping device. BACKGROUND
[0002] The connection between the pipeline and the pipeline usually needs to be welded, and if it is a conventional clamping, the sealing performance is very poor, and thus needs to be improved. INVENTION CONTENTS
[0003] The utility model discloses a metal pipeline clamping device to solve the problem in the background art, which has the advantages of quick connection between the pipeline and the pipeline and high sealing performance without welding.
[0004] To achieve the above object, the utility model provides the following technical scheme: a metal pipeline clamping device, comprising a first connecting pipe and a second connecting pipe, the first connecting pipe is connected with an inner tooth sleeve, the second connecting pipe is integrally connected with a shoulder, the shoulder is welded with an outer tooth sleeve, the inner tooth sleeve is provided with a tooth outward, the inner side of the outer tooth sleeve is provided with a tooth, and the inner tooth sleeve and the outer tooth sleeve are engaged with each other.
[0005] By adopting the above technical scheme, the first connecting pipe is welded with the inner tooth sleeve in advance, the second connecting pipe is welded with the outer tooth sleeve in advance, and then the first connecting pipe is clamped into the second connecting pipe, in this process, the inner tooth sleeve and the outer tooth sleeve are engaged so that the first connecting pipe and the second connecting pipe are in a relatively fixed connection state, and the purpose of welding-free is achieved.
[0006] As a further scheme of the utility model: the shoulder is provided with a sealing ring.
[0007] As a further scheme of the utility model: one end of the shoulder is fixedly connected with a clamping tooth body, and the inner side of the clamping tooth body is provided with a tooth.
[0008] By adopting the above technical scheme, the tooth of the clamping tooth body extrudes the first connecting pipe, and the connection strength of the two is increased.
[0009] As a further scheme of the utility model: the inner side of the inner tooth sleeve is provided with a first dustproof ring.
[0010] By adopting the above technical scheme, the setting of the first dustproof ring prevents water vapor from entering the inner tooth sleeve, prevents corrosion of the clamping tooth body, and also prevents loosening of the threads of the inner tooth sleeve and the outer tooth sleeve.
[0011] As a further scheme of the utility model: a second dustproof ring is arranged between the inner tooth sleeve and the outer tooth sleeve.
[0012] By adopting the technical scheme, the second dustproof ring can avoid water vapor from entering, avoid corrosion of the tooth body, and prevent loosening of the threads of the inner tooth sleeve and the outer tooth sleeve.
[0013] As a further scheme of the utility model: the shoulder is welded with the outer tooth sleeve.
[0014] As a further scheme of the utility model: the side surface of the inner tooth sleeve is provided with friction lines.
[0015] As a further scheme of the utility model: the side of the inner tooth sleeve towards the tooth body is provided with an inner inclined surface, and the side of the tooth body towards the inner tooth sleeve is provided with an outer inclined surface.
[0016] By adopting the technical scheme, when the inner tooth sleeve and the outer tooth sleeve are screwed, the inner inclined surface of the inner tooth sleeve is tangent to the outer inclined surface, the tooth body is extruded and bites the outer wall of the first connecting pipe by the teeth.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] The first connecting pipe is welded with the inner tooth sleeve in advance, the second connecting pipe is welded with the outer tooth sleeve in advance, then the first connecting pipe is clamped into the second connecting pipe, in this process, the inner tooth sleeve and the outer tooth sleeve are engaged so that the first connecting pipe and the second connecting pipe are in a relatively fixed connection state, and the purpose of welding-free is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the embodiment;
[0020] Figure 2 It is a front view of the embodiment;
[0021] Figure 3 It is a sectional view of the embodiment;
[0022] Figure 4 It is an explosion schematic view of the embodiment;
[0023] Figure 5 It is a structural schematic view of the embodiment applied to a valve;
[0024] Figure 6 It is a structural schematic view of the embodiment applied to an elbow pipe;
[0025] Figure 7 It is a structural schematic view of the embodiment applied to a tee pipe.
[0026] In the figure: 1. First connecting pipe; 2. Second connecting pipe; 3. Inner toothed sleeve; 4. Shoulder; 5. Outer toothed sleeve; 6. Gear; 7. Sealing ring; 8. Clamping tooth body; 9. First dustproof ring; 10. Second dustproof ring; 11. Friction pattern; 12. Inner bevel; 13. Outer bevel; 14. Weld point. Detailed Implementation
[0027] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0028] In this embodiment of the utility model,
[0029] A metal pipe clamping device, such as Figures 1-7 As shown, it includes a first connecting pipe 1 and a second connecting pipe 2. The first connecting pipe 1 is connected to an inner toothed sleeve 3. The second connecting pipe 2 is integrally connected to a shoulder 4. The shoulder 4 is welded to an outer toothed sleeve 5. The inner toothed sleeve 3 is provided with teeth 6 facing outward. The outer toothed sleeve 5 is provided with teeth 6 on its inner side. The inner toothed sleeve 3 and the outer toothed sleeve 5 mesh with each other.
[0030] A sealing ring 7 is provided inside the shoulder 4. There is a weld point 14 between the shoulder 4 and the outer toothed sleeve 5.
[0031] One end of the shoulder 4 is fixedly connected to the tooth body 8, and the inner side of the tooth body 8 is provided with teeth 6.
[0032] The inner side of the inner toothed sleeve 3 is provided with a first dustproof ring 9.
[0033] A second dustproof ring 10 is provided between the inner toothed sleeve 3 and the outer toothed sleeve 5.
[0034] The shoulder 4 is welded to the outer toothed sleeve 5.
[0035] The inner toothed sleeve 3 has friction texture 11 on its side.
[0036] The inner tooth sleeve 3 has an inner inclined surface 12 on the side facing the tooth body 8, and the tooth body 8 has an outer inclined surface 13 on the side facing the inner tooth sleeve 3.
[0037] Working principle:
[0038] The first connecting pipe 1 is pre-welded to the inner toothed sleeve 3, and the second connecting pipe 2 is pre-welded to the outer toothed sleeve 5. Then, the first connecting pipe 1 is inserted into the second connecting pipe 2. During this process, the inner toothed sleeve 3 and the outer toothed sleeve 5 mesh, so that the first connecting pipe 1 and the second connecting pipe 2 are in a relatively fixed connection state, achieving the purpose of eliminating the need for welding.
[0039] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.
Claims
1. A metal pipe gripping device comprising a first connecting pipe (1) and a second connecting pipe (2), characterized in that: The first connecting pipe (1) is connected with an inner tooth sleeve (3), the second connecting pipe (2) is integrally connected with a shoulder (4), the shoulder (4) is welded with an outer tooth sleeve (5), the outer tooth sleeve (5) is provided with meshing teeth (6) on the inner side, the inner tooth sleeve (3) is provided with meshing teeth (6) outward, and the inner tooth sleeve (3) and the outer tooth sleeve (5) are meshed with each other.
2. The metal pipe gripping device according to claim 1, characterized by: The shoulder (4) is provided with a sealing ring (7) inside.
3. The metal pipe gripping device according to claim 1, characterized by: One end of the shoulder (4) is fixedly connected with a clamping tooth body (8), and the inner side of the clamping tooth body (8) is provided with meshing teeth (6).
4. The metal pipe gripping device according to claim 1, characterized by: The inner side of the inner tooth sleeve (3) is provided with a first dustproof ring (9).
5. The metal pipe gripping device according to claim 1, characterized by: The inner tooth sleeve (3) and the outer tooth sleeve (5) are provided with a second dustproof ring (10) therebetween.
6. The metal pipe gripping device according to claim 1, characterized by: The shoulder (4) is welded with the outer tooth sleeve (5).
7. The metal pipe gripping device according to claim 1, characterized by: The side surface of the inner tooth sleeve (3) is provided with friction lines (11).
8. The metal pipe gripping device according to claim 1, characterized by: The side of the inner tooth sleeve (3) facing the clamping tooth body (8) is provided with an inner inclined surface (12), and the side of the clamping tooth body (8) facing the inner tooth sleeve (3) is provided with an outer inclined surface (13).