CN215674055U - Connecting device - Google Patents
Connecting device Download PDFInfo
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- CN215674055U CN215674055U CN202121238016.8U CN202121238016U CN215674055U CN 215674055 U CN215674055 U CN 215674055U CN 202121238016 U CN202121238016 U CN 202121238016U CN 215674055 U CN215674055 U CN 215674055U
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- inner cavity
- connecting portion
- connecting device
- connecting part
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Abstract
The utility model provides a connecting device which is used for connecting two pipes together and comprises a connecting part, wherein a through inner cavity is arranged in the connecting part, the cross sectional area of one end of the inner cavity is larger than that of the other end of the inner cavity, and an internal thread is arranged on the inner cavity. Compared with the connecting device with the existing structure, the connecting device with the structure has the advantages of simple structure, convenience in operation, low production and use cost, good connection reliability, no leakage or less leakage of the connecting part of the two pipes after connection, and the two pipes are more tightly connected when pulled.
Description
Technical Field
The utility model relates to the field of pipe connection, in particular to a connecting device.
Background
With the continuous development of economy and science and technology, more and more connecting devices are used for connecting two pipes together, and from the material point of view, there are plastic products and also metal products, but the structure is relatively complicated, and also relatively simple.
At present, connecting devices of various structures, whether used for connecting two plastic pipes together or connecting a plastic pipe and a metal pipe together, generally have the following problems. First, the structure is relatively complex, resulting in high production and use costs. Secondly, the operation is complicated during connection, the connection efficiency is low, and the labor intensity is high. Finally, the problem of leakage is also common, water leakage is easy to occur, the conveying capacity is affected, and the use cost is high.
In summary, how to provide a connection device with simple structure, convenient operation, low production and use costs, reliable connection, and substantially no or less leakage becomes a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the connecting device has the advantages of simple structure, convenient operation, lower production and use cost, firm connection and no leakage or less leakage basically.
The solution of the utility model is realized by the following steps: the utility model provides a connecting device which is used for connecting two pipes together and comprises a connecting part, wherein a through inner cavity is arranged in the connecting part, the cross sectional area of one end of the inner cavity is larger than that of the other end of the inner cavity, and an internal thread is arranged on the inner cavity. Compared with the connecting device with the existing structure, the connecting device with the structure has the advantages of simple structure, convenience in operation, low production and use cost, good connection reliability, no leakage or less leakage of the connecting part of the two pipes after connection, and the two pipes are more tightly connected when pulled.
In another technical solution of the present invention, based on the above, the connecting portion includes a first connecting portion and a second connecting portion disposed at one end of the first connecting portion, and an inner cavity of the second connecting portion is larger than an inner cavity of the first connecting portion.
Another technical solution of the present invention is that based on the above, the inner cavity is frustum-shaped.
On the basis, clamping parts which are convenient to clamp or grasp are arranged on the peripheries of the first connecting part and the second connecting part.
In another aspect of the present invention, the holding portion includes a polygonal periphery disposed on the first connecting portion.
In another aspect of the present invention, the holding portion further includes an anti-slip device disposed on the second connecting portion.
On the basis, the other technical scheme of the utility model is that the anti-skid device comprises a plurality of anti-skid strips arranged along the axial direction, and the anti-skid strips are uniformly arranged at intervals.
Another technical scheme of the utility model is that on the basis of the above, a shaft shoulder is further arranged between the first connecting part and the second connecting part.
Another technical scheme of the utility model is that on the basis of the above, the shaft shoulder is also provided with a guide angle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic view of a connecting device according to the present invention;
FIG. 2 is a left side schematic view of FIG. 1;
fig. 3 is a schematic cross-sectional view of fig. 1.
The corresponding relation of the reference signs is as follows:
1 first connecting part 2 internal thread 3 antislip strip
4 second connecting part 5 shaft shoulder 6 inner cavity
7 lead angle
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
In the following embodiments of the present invention, please refer to the connection device shown in fig. 1 to 3, which is used for connecting two pipes together, specifically, the connection device includes a connection portion, a through inner cavity 6 is arranged in the connection portion, a cross-sectional area of one end of the inner cavity 6 is larger than a cross-sectional area of the other end, and an inner thread 2 is arranged on the inner cavity 6. When the connecting device is used, the connecting device is arranged on the first root canal, one end of the second root canal is sleeved at one end of the first root canal, at the moment, the connecting device is sleeved at the periphery of the second root canal and is screwed tightly, and then the connection of the two canals is completed. Compared with the connecting device with the existing structure, the connecting device with the structure has the advantages of simple structure, convenience in operation, low production and use cost, good connection reliability, no leakage or less leakage of the connecting part of the two pipes after connection, and the two pipes are more tightly connected when pulled.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the connecting portion includes a first connecting portion 1 and a second connecting portion 4 disposed at one end of the first connecting portion 1, i.e., the right end in the figure, and the inner cavity 6 of the second connecting portion 4 is larger than the inner cavity 6 of the first connecting portion 1, i.e., the inner cavity 6 gradually increases from left to right.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 1 and fig. 3, the inner cavity 6 is frustum-shaped, i.e. the right end is larger than the left end and gradually enlarges from left to right as shown in fig. 1.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, in order to facilitate the gripping, the peripheries of the first connecting portion 1 and the second connecting portion 4 are both provided with a gripping portion for facilitating the gripping. As for the clamping portion, it should be noted that the clamping portion may be in a shape convenient for holding by hand or in a shape convenient for clamping by a wrench.
In another embodiment of the present invention, as shown in fig. 1 and fig. 2, the holding portion includes a polygonal periphery disposed on the first connecting portion 1, which may be a hexagon as shown in fig. 2 to facilitate the wrench to hold, and may be any possible shape, such as a square, a triangle, etc., without specific limitation.
In addition to the above embodiments, as shown in fig. 1 and 2, in another embodiment of the present invention, the grip portion further includes an anti-slip device disposed on the second connecting portion 4, and the anti-slip device is intended to prevent slipping when being held by a hand, and the configuration thereof may be various, and is not limited in particular.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the anti-slip device includes a plurality of anti-slip strips 3 axially disposed on the periphery of the second connecting portion 4, and the plurality of anti-slip strips 3 are uniformly spaced.
In another embodiment of the present invention, as shown in fig. 1 and 3, a shoulder 5 is further disposed between the first connecting portion 1 and the second connecting portion 4, and is specifically formed by the outer diameter of the second connecting portion 4 being larger than the outer diameter of the first connecting portion 1.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and 3, a chamfer 7 is further provided on the shaft shoulder 5 to prevent sharp portions such as burrs from being present during use, thereby causing unnecessary injury to operators.
The connecting device with the structure is used, as mentioned above, the connecting device is arranged on the first root canal, one end of the second root canal is sleeved at one end of the first root canal, at the moment, the connecting device is sleeved at the periphery of the second root canal and is screwed tightly, and then the connection of the two canals is completed. Compared with the connecting device with the existing structure, the connecting device with the structure has the advantages of simple structure, convenience in operation, low production and use cost, good connection reliability, no leakage or less leakage of the connecting part of the two pipes after connection, and the two pipes are more tightly connected when pulled.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A connecting device is used for connecting two pipes together and is characterized by comprising a connecting part, wherein a through inner cavity is arranged in the connecting part, the cross sectional area of one end of the inner cavity is larger than that of the other end of the inner cavity, and an internal thread is arranged on the inner cavity.
2. The connecting device according to claim 1, wherein the connecting portion comprises a first connecting portion and a second connecting portion disposed at one end of the first connecting portion, and the inner cavity of the second connecting portion is larger than the inner cavity of the first connecting portion.
3. The connection device of claim 2, wherein the lumen is frustoconical in shape.
4. The connecting device according to claim 3, wherein the first connecting part and the second connecting part are provided with clamping parts at the periphery for facilitating clamping or grasping.
5. The connecting device of claim 4, wherein the gripping portion comprises a polygonal periphery disposed on the first connecting portion.
6. The connecting device of claim 5, wherein the gripping portion further comprises an anti-slip device disposed on the second connecting portion.
7. A connection device according to claim 6, characterised in that the anti-slip means comprises a plurality of axially disposed cleats, the cleats being evenly spaced apart.
8. The connecting device of claim 7 wherein a shoulder is further provided between the first connecting portion and the second connecting portion.
9. The connecting device of claim 8 wherein said shoulder is further provided with a chamfer thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121238016.8U CN215674055U (en) | 2021-06-03 | 2021-06-03 | Connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121238016.8U CN215674055U (en) | 2021-06-03 | 2021-06-03 | Connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215674055U true CN215674055U (en) | 2022-01-28 |
Family
ID=79973978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121238016.8U Active CN215674055U (en) | 2021-06-03 | 2021-06-03 | Connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215674055U (en) |
-
2021
- 2021-06-03 CN CN202121238016.8U patent/CN215674055U/en active Active
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