CN218564691U - Groove spring connecting structure of thin-wall stainless steel pipe fitting - Google Patents
Groove spring connecting structure of thin-wall stainless steel pipe fitting Download PDFInfo
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- CN218564691U CN218564691U CN202222281045.3U CN202222281045U CN218564691U CN 218564691 U CN218564691 U CN 218564691U CN 202222281045 U CN202222281045 U CN 202222281045U CN 218564691 U CN218564691 U CN 218564691U
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Abstract
The utility model discloses a groove spring connecting structure of a thin-wall stainless steel pipe fitting, which comprises a pipe fitting body and a stainless steel pipe, wherein the pipe fitting body and the stainless steel pipe are both cylindrical, the inside of the pipe fitting body is of a step-shaped structure so as to form a first cylindrical cavity and a second cylindrical cavity, the inner diameter of the second cylindrical cavity is larger than that of the first cylindrical cavity, one end of the stainless steel pipe passes through the second cylindrical cavity and then is inserted into the first cylindrical cavity, and the outer surface of the stainless steel pipe is provided with a circle of clamping grooves corresponding to the joint of the first cylindrical cavity and the second cylindrical cavity and is sleeved with an opening circle clamping spring matched with the clamping grooves; the inner wall of the second cylindrical cavity is provided with internal threads, the stainless steel pipe is sleeved with a locking nut, and the outer wall of the locking nut is provided with external threads matched with the internal threads. Thin wall stainless steel pipe fitting's groove spring connection structure be elastic connection, can not produce crack, infiltration or pine when the environment changes and take off the phenomenon, the installation and construction degree of difficulty is little, efficient, simple manufacture, the pipe is when the preparation draw-in groove, the deformation diminishes, slight to the influence of pipe intensity, dismantles easy maintenance. Thereby realizing the groove spring type connection structure of the fast assembly type thin-wall stainless steel pipe fitting.
Description
Technical Field
The utility model belongs to the technical field of the coupling, concretely relates to groove spring connection structure of thin wall stainless steel pipe fitting.
Background
At present, stainless steel water pipes on the market are connected in various ways, and commonly have compression type, clamping type, ring pressing type, clamping convex type, clamping hoop type, loose joint type flange connection, socket welding type, welding type and derived series connection mode combining welding and traditional connection. However, these connections have some disadvantages: 1. basically, the connection is rigid, and when the environment changes (natural settlement of buildings, low-grade earthquakes, icing and expansion in pipes in winter in the north, and the like), cracks and water seepage can be generated, and the loosening phenomenon can also be generated. 2. The installation and construction difficulty is high, some have higher technical requirements on constructors, and some have strict requirements on site construction environment. 3. Special tools are required for installation. The utility model provides a groove spring connection structure of thin wall stainless steel pipe fitting is used for solving foretell problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a groove spring connection structure of thin wall stainless steel pipe fitting for solve the above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a groove spring connecting structure of a thin-wall stainless steel pipe fitting comprises a pipe fitting body and a stainless steel pipe, wherein the pipe fitting body and the stainless steel pipe are cylindrical, the inside of the pipe fitting body is of a step-shaped structure so as to form a first cylindrical cavity and a second cylindrical cavity, the inner diameter of the second cylindrical cavity is larger than that of the first cylindrical cavity, one end of the stainless steel pipe penetrates through the second cylindrical cavity and then is inserted into the first cylindrical cavity, a circle of clamping groove is formed in the outer surface of the stainless steel pipe, corresponding to the joint of the first cylindrical cavity and the second cylindrical cavity, and an opening circular clamping spring matched with the clamping groove is sleeved on the outer surface of the stainless steel pipe; the inner wall of the second cylindrical cavity is provided with an internal thread, the stainless steel pipe is sleeved with a locking nut, the outer wall of the locking nut is provided with an external thread matched with the internal thread, a first inclined plane is arranged at a step between the first cylindrical cavity and the second cylindrical cavity, the locking nut is provided with a second inclined plane towards one end face of the opening circular clamp spring, and a V-shaped groove for extruding the opening circular clamp spring is formed when the first inclined plane is contacted with the second inclined plane.
The working principle and the process of the structure are as follows:
the opening circle clamp spring is sleeved on the outer circle of the stainless steel pipe in a natural state, during assembly, the stainless steel pipe is inserted into a first cylindrical cavity of a pipe fitting body, a locking nut is screwed into a second cylindrical cavity, the locking nut is screwed, the opening circle clamp spring contracts under the extrusion of a first inclined plane of the pipe fitting body and a second inclined plane of the locking nut, and is clamped in a clamping groove of the stainless steel pipe, so that the stainless steel pipe is fixed.
Furthermore, two annular grooves are formed in the inner wall of the first cylindrical cavity of the pipe fitting body, and an O-shaped sealing ring is arranged in each annular groove.
Through the arrangement of the two annular grooves and the two O-shaped sealing rings, the sealing effect of the stainless steel pipe and the pipe fitting body is achieved.
Furthermore, the inner diameter of the split circle clamp spring in a natural state is larger than the outer diameter of the stainless steel pipe, and the outer diameter of the split circle clamp spring in a natural state is smaller than the inner diameter of the second cylindrical cavity.
The internal diameter of opening circle jump ring is greater than the external diameter of nonrust steel pipe and the external diameter is less than the internal diameter in second cylinder chamber, is favorable to when assembly and dismantlement, and quick assembly and dismantlement have improved the efficiency of installation.
Furthermore, a limiting step for limiting the stainless steel pipe is formed inwards at the end part of the first cylindrical cavity, which is far away from the second cylindrical cavity.
The setting of spacing step is favorable to playing location and spacing effect to nonrust steel pipe when inserting nonrust steel pipe, prevents to insert the position and leads to the installation inconvenient.
Furthermore, the end part of the stainless steel pipe is of an inward-contracting arc-shaped structure.
The arrangement of adduction type arc mechanism is favorable to fast passing through 2O-shaped sealing rings.
Furthermore, the clamping groove is an arc-shaped groove.
The clamping groove formed in the arc-shaped groove is beneficial to being matched with the opening circular clamping spring, so that the clamping groove is more attached to the opening circular clamping spring.
Has the beneficial effects that: the utility model discloses a cover opening circle jump ring on stainless steel outside of tubes circle under natural state, during the assembly, insert the first cylinder intracavity of pipe fitting body earlier with nonrust steel pipe, with lock nut screw in second cylinder intracavity, screw up lock nut, opening circle jump ring contracts under the first inclined plane of pipe fitting body and lock nut's second inclined plane extrusion, the card is in nonrust steel pipe's draw-in groove, and then realize nonrust steel pipe's fixed, settlement through V type groove structure, can effectively restrict the deformation of opening circle jump ring, V type groove also can extrude opening circle jump ring, make it when receiving the extrusion force, tightly block into in the draw-in groove, lock nut locking back, nonrust steel pipe can not produce the aversion, this structural connection convenient and fast, the effectual effect of realizing fast assembly and dismantlement, need not professional instrument and have higher technical requirement to constructor in the north, do not influenced by the site operation environment, and adopt elastic connection through opening circle jump ring, when the environment changes, subsides naturally, low-level freezing, the intraductal inflation in winter can not produce the crack, and also can not loosen and take off the phenomenon production.
Drawings
FIG. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is an enlarged view of the structure B in fig. 1.
Reference numerals: 1. a tube body; 2. a stainless steel tube; 3. a first cylindrical cavity; 4. a second cylindrical cavity; 5. a card slot; 6. an open circular snap spring; 7. locking the nut; 8. a first inclined surface; 9. a second inclined surface; 10. an annular groove; 11. an O-shaped sealing ring; 12. and a limiting step.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example (b):
as shown in fig. 1-3, the embodiment provides a groove spring connection structure of a thin-wall stainless steel pipe, which includes a pipe body 1 and a stainless steel pipe 2, both of which are cylindrical, wherein the pipe body 1 is internally provided with a step-shaped structure to form a first cylindrical cavity 3 and a second cylindrical cavity 4, the inner diameter of the second cylindrical cavity 4 is larger than that of the first cylindrical cavity 3, one end of the stainless steel pipe 2 penetrates through the second cylindrical cavity 4 and is inserted into the first cylindrical cavity 3, and the outer surface of the stainless steel pipe 2, corresponding to the connection between the first cylindrical cavity 3 and the second cylindrical cavity 4, is provided with a circle of clamping grooves 5 and is sleeved with opening circular clamping springs 6 matched with the clamping grooves 5; the inner wall of second cylinder chamber 4 is equipped with the internal thread, the cover is equipped with lock nut 7 on nonrust steel pipe 2, 7 outer walls of lock nut are equipped with the external screw thread with internal thread matched with, step department between first cylinder chamber 3 and the second cylinder chamber 4 sets up first inclined plane 8, lock nut 7 sets up second inclined plane 9 towards opening circle jump ring 6 one end terminal surface, form the V type groove of extrusion opening circle jump ring 6 when first inclined plane 8 contacts with second inclined plane 9, the contained angle between first inclined plane 8 and the second inclined plane 9 is 30 degrees-150 degrees.
The working principle and the process of the structure are as follows:
the opening circle clamp spring 6 is sleeved on the excircle of the stainless steel pipe 2 in a natural state, during assembly, the stainless steel pipe 2 is firstly inserted into the first cylindrical cavity 3 of the pipe body 1, the locking nut 7 is screwed into the second cylindrical cavity 4, the locking nut 7 is screwed tightly, the opening circle clamp spring 6 is extruded and contracted under the first inclined surface 8 of the pipe body 1 and the second inclined surface 9 of the locking nut 7, and the opening circle clamp spring is clamped in the clamping groove 5 of the stainless steel pipe 2, so that the stainless steel pipe 2 is fixed, the deformation of the opening circle clamp spring 6 can be effectively limited through the setting of a V-shaped groove structure, the opening circle clamp spring 6 can be extruded by the V-shaped groove, when the opening circle clamp spring receives extrusion force, the opening circle clamp spring is tightly clamped into the clamping groove 5, after the locking nut 7 is locked, the stainless steel pipe 2 cannot be displaced, the structural connection is convenient and rapid, the effect of rapid assembly and disassembly is effectively realized, a professional tool is not required, high technical requirements for constructors are met, the structure is not influenced by an on-site construction environment, and the opening circle clamp spring 6 adopts elastic connection, when the environment is changed, such as natural settlement of buildings, low-grade expansion in winter, the crack resistance in earthquake and the drawing-resisting of the earthquake can not occur, and the high-resistance of the earthquake can not occur.
In another embodiment of the present invention, as shown in fig. 1 and 3, two annular grooves 10 are formed on the inner wall of the first cylindrical cavity 3 of the pipe fitting body 1, and an O-ring 11 is disposed in each annular groove 10.
Through the arrangement of the two annular grooves 10 and the two O-shaped sealing rings 11, the sealing effect of the stainless steel pipe 2 and the pipe fitting body 1 is achieved.
In another embodiment of the present invention, as shown in fig. 1 and fig. 2, the inner diameter of the open circular snap spring 6 in the natural state is larger than the outer diameter of the stainless steel tube 2, and the outer diameter of the open circular snap spring 6 in the natural state is smaller than the inner diameter of the second cylindrical cavity 4.
The internal diameter of opening circle jump ring 6 is greater than the external diameter of nonrust steel pipe 2 and the external diameter is less than the internal diameter of second cylinder chamber 4, is favorable to when assembly and dismantlement, and quick assembly and dismantlement have improved the efficiency of installation.
In another embodiment of the present invention, as shown in fig. 1 and 3, the end of the first cylindrical cavity 3 far from the second cylindrical cavity 4 is formed with a limiting step 12 for limiting the stainless steel tube 2, and the limiting step 12 is a circular ring-shaped step.
The arrangement of the limiting step 12 is beneficial to positioning and limiting the stainless steel pipe 2 when the stainless steel pipe 2 is inserted, and inconvenience in installation caused by the insertion of the position is prevented.
In another embodiment of the present invention, as shown in fig. 3, the end of the stainless steel tube 2 is an arc structure of an inward-contracting type.
The arrangement of the adduction type arc-shaped mechanism is beneficial to fast passing through 2O-shaped sealing rings 11.
In another embodiment of the present invention, as shown in fig. 2, the locking groove 5 is a circular arc groove.
The clamping groove 5 formed in the arc-shaped groove is beneficial to being matched with the opening circular clamp spring 6, so that the clamping groove 5 is more attached to the opening circular clamp spring 6.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A groove spring connecting structure of a thin-wall stainless steel pipe is characterized by comprising a pipe body and a stainless steel pipe, wherein the pipe body and the stainless steel pipe are both cylindrical, the inside of the pipe body is of a step-shaped structure so as to form a first cylindrical cavity and a second cylindrical cavity, the inner diameter of the second cylindrical cavity is larger than that of the first cylindrical cavity, one end of the stainless steel pipe penetrates through the second cylindrical cavity and then is inserted into the first cylindrical cavity, and the outer surface of the stainless steel pipe, corresponding to the joint of the first cylindrical cavity and the second cylindrical cavity, is provided with a circle of clamping groove and is sleeved with an opening circular clamping spring matched with the clamping groove; the inner wall of the second cylindrical cavity is provided with an internal thread, the stainless steel pipe is sleeved with a locking nut, the outer wall of the locking nut is provided with an external thread matched with the internal thread, a first inclined plane is arranged at a step between the first cylindrical cavity and the second cylindrical cavity, the locking nut is provided with a second inclined plane towards one end face of the opening circular clamp spring, and a V-shaped groove for extruding the opening circular clamp spring is formed when the first inclined plane is contacted with the second inclined plane.
2. The channel spring connecting structure of thin-walled stainless steel pipe fittings according to claim 1, wherein the inner wall of the first cylindrical cavity of the fitting body is formed with two annular grooves, and each annular groove is provided with an O-ring.
3. The channel spring connecting structure for the thin-walled stainless steel pipe fitting of claim 1, wherein the inner diameter of the split circle clamp spring in a natural state is larger than the outer diameter of the stainless steel pipe, and the outer diameter of the split circle clamp spring in a natural state is smaller than the inner diameter of the second cylindrical cavity.
4. The channel spring connecting structure for the thin-walled stainless steel pipe fitting of claim 1, wherein a limiting step for limiting the stainless steel pipe is formed inwards at the end part of the first cylindrical cavity far away from the second cylindrical cavity.
5. The channel spring connection structure of thin-walled stainless steel tubing as claimed in claim 2, wherein the end of the stainless steel tube is of an inwardly-contracted arc structure.
6. The channel spring connection structure of the thin-walled stainless steel pipe fitting as claimed in claim 1, wherein said channel is a circular arc channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281045.3U CN218564691U (en) | 2022-08-26 | 2022-08-26 | Groove spring connecting structure of thin-wall stainless steel pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281045.3U CN218564691U (en) | 2022-08-26 | 2022-08-26 | Groove spring connecting structure of thin-wall stainless steel pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218564691U true CN218564691U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222281045.3U Active CN218564691U (en) | 2022-08-26 | 2022-08-26 | Groove spring connecting structure of thin-wall stainless steel pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218564691U (en) |
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2022
- 2022-08-26 CN CN202222281045.3U patent/CN218564691U/en active Active
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