CN216242905U - Go out water end nut joint - Google Patents
Go out water end nut joint Download PDFInfo
- Publication number
- CN216242905U CN216242905U CN202122964387.0U CN202122964387U CN216242905U CN 216242905 U CN216242905 U CN 216242905U CN 202122964387 U CN202122964387 U CN 202122964387U CN 216242905 U CN216242905 U CN 216242905U
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- CN
- China
- Prior art keywords
- ring main
- main body
- outlet end
- circular ring
- left end
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Abstract
The utility model discloses a water outlet end nut joint which comprises a circular ring main body, wherein through holes are formed in two ends of the circular ring main body, external threads are arranged at the left end of the outer peripheral surface of the circular ring main body, a plurality of positioning blocks are uniformly arranged on the inner peripheral surface of the circular ring main body in the circumferential direction, the groove bottom surfaces of positioning grooves between every two adjacent positioning blocks axially penetrate through two ends of the circular ring main body, the right ends of the positioning blocks are connected with the right end surface of the circular ring main body, and a smooth arc surface is arranged between the left end of each positioning block and the left end surface of the circular ring main body at intervals. Compared with the prior art, the technical scheme of the utility model has the advantages of convenient and stable connection and the like, and can effectively improve the connection reliability of the nut joint at the water outlet end and the plastic pipe fitting.
Description
Technical Field
The utility model relates to the technical field of insulating parts of water heaters, in particular to a nut joint at a water outlet end.
Background
The internal structure of the water heater comprises an electric component and a water passing component, and in order to realize insulation between the electric component and the water passing component and ensure good water passing effect, a plastic pipe is usually arranged between the electric component and the water passing component, but the plastic pipe easily influences the reliability and the sealing performance of the threaded connection position of the end part due to the problem of durability, and in addition, the threaded connection position is easily deformed due to repeated disassembly and assembly of the plastic pipe.
In order to solve the above problems, in the prior art, a metal threaded connection component is arranged at the end of a plastic pipe fitting, so that the durability and reliability of a connection position can be ensured on the premise of achieving basic insulating performance. However, the metal threaded connecting member and the plastic pipe are integrally injection-molded, so it is necessary to optimize and improve the internal connecting structure of the metal threaded member.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a water outlet end nut joint which is convenient and stable to connect, and aims to improve the connection reliability of the water outlet end nut joint and a plastic pipe fitting.
In order to achieve the purpose, the water outlet end nut joint provided by the utility model comprises a circular ring main body, through holes are formed in two ends of the circular ring main body, external threads are arranged at the left end of the outer peripheral surface of the circular ring main body, a plurality of positioning blocks are uniformly arranged on the inner peripheral surface of the circular ring main body in the circumferential direction, the groove bottom surface of a positioning groove between every two adjacent positioning blocks axially penetrates through the two ends of the circular ring main body, the right ends of the positioning blocks are connected with the right end surface of the circular ring main body, and a smooth arc surface is arranged between the left ends of the positioning blocks and the left end surface of the circular ring main body at intervals.
Preferably, the length of the positioning block along the axial direction of the ring main body accounts for 60-80% of the length of the inner circumferential surface of the ring main body, the left end of the external thread is connected with the left end surface of the ring main body, and the length of the external thread along the axial direction of the ring main body accounts for 70-80% of the length of the outer circumferential surface of the ring main body.
Preferably, the cross section of the positioning block is wide at the inside and narrow at the outside, and the narrow end at the outside of the positioning block is fixedly connected with the inner circumferential surface of the circular ring main body.
Preferably, the inner circumferential surface of the circular ring main body is provided with a plurality of rings of axially arranged positioning ring grooves, and the positioning ring grooves in the same ring are divided into a plurality of sections by the positioning block axial partition plates.
Preferably, the external thread has an outside crest outer diameter greater than the ring main body outer peripheral surface outer diameter.
Preferably, the surface of the water outlet end nut joint is plated with a Dacromet coating.
Preferably, the included angle between the horizontal center lines of two adjacent positioning blocks is 36 degrees.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the technical scheme, the plurality of positioning blocks are arranged on the inner circumferential surface of the circular ring main body, the positioning grooves are formed between every two adjacent positioning blocks, and the grooves are formed in the positioning blocks through the plurality of circles of positioning ring grooves, so that when the water outlet end nut is connected with the plastic component, the plastic material of the plastic component can directly enter the positioning grooves and the grooves in the positioning blocks, and the plastic component is reliably connected with the water outlet section nut connector.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a nut fitting for a water outlet end of the present invention;
FIG. 2 is another perspective view of the nut connector of the water outlet end of the present invention;
FIG. 3 is a sectional view showing the internal structure of the outlet end nut coupler of the present invention;
fig. 4 is a side view of the outlet end nut fitting of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Ring |
4 | |
| 2 | |
5 | |
| 3 | Locating |
6 | |
| 31 | Partition board |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a nut joint at a water outlet end.
Referring to fig. 1 to 4, the water outlet end nut joint according to the embodiment of the present invention includes a circular ring main body 1 having through holes at two ends thereof, wherein an external thread 2 is disposed at a left end of an outer circumferential surface of the circular ring main body 1, a plurality of positioning blocks 3 are uniformly disposed in a circumferential direction of the inner circumferential surface of the circular ring main body 1, a groove bottom surface of a positioning groove 4 between two adjacent positioning blocks 3 axially penetrates through two ends of the circular ring main body 1, a right end of each positioning block 3 is connected to a right end surface of the circular ring main body 1, and a smooth circular arc surface 5 is provided between the left end of each positioning block 3 and the left end surface of the circular ring main body 1.
Preferably, the cross section of the positioning block 3 of the present embodiment is in a shape that is wide inside and narrow outside, i.e. a dovetail shape. The narrow end of the outer side of the positioning block 3 is fixedly connected with the inner circumferential surface of the circular ring main body 1, a plurality of rings of positioning ring grooves 6 which are axially arranged are arranged on the inner circumferential surface of the circular ring main body 1, and the positioning ring grooves 6 in the same ring are divided into a plurality of sections by axial clapboards 31 of the positioning block 3.
According to the utility model, the plurality of positioning blocks 3 are arranged on the inner circumferential surface of the circular ring main body 1, the positioning grooves 4 are formed between every two adjacent positioning blocks 3, and the plurality of circles of positioning ring grooves 6 are arranged to enable the grooves to be formed in the positioning blocks 3, so that when the water outlet end nut is connected with a plastic component, plastic materials of the plastic component can directly enter the positioning grooves and the grooves in the positioning blocks, and the plastic component is reliably connected with the water outlet section nut joint.
Preferably, the positioning blocks 3 of the present embodiment occupy 60 to 80% of the length of the inner circumferential surface of the ring body 1 along the axial length of the ring body 1, the left end of the external thread 2 is connected to the left end surface of the ring body 1, the external thread 2 occupies 70 to 80% of the length of the outer circumferential surface of the ring body 1 along the axial length of the ring body 1, and the included angle between the horizontal center lines of two adjacent positioning blocks 3 is 36 °, so that the sizes of the positions of the water outlet nut joint are more reasonable, and the reliability of the connection between the water outlet nut joint and the plastic pipe fitting is improved.
Preferably, the external thread 2 of the present embodiment has an outside crest outer diameter larger than the outer peripheral surface outer diameter of the ring body 1, so that the outlet end nut fitting can be easily coupled to the internally threaded member.
Preferably, the surface of the water outlet end nut joint of the embodiment is plated with a Dacromet coating, so that the water outlet end nut joint has good corrosion resistance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a go out water end nut joint, its characterized in that, includes that both ends are equipped with the ring main part of through-hole, and ring main part outer peripheral face left end is equipped with the external screw thread, and ring main part inner peripheral face circumference evenly is equipped with a plurality of locating piece, and the tank bottom axial of positioning groove between two adjacent locating pieces link up ring main part both ends, and the locating piece right-hand member links to each other with the right-hand member face of ring main part, is separated by one section smooth arc surface between the left end of locating piece left end and the left end face of ring main part.
2. The outlet end nut connector of claim 1, wherein the positioning block occupies 60-80% of the length of the inner circumferential surface of the ring body along the axial direction of the ring body, the left end of the external thread is connected to the left end surface of the ring body, and the external thread occupies 70-80% of the length of the outer circumferential surface of the ring body along the axial direction of the ring body.
3. The outlet end nut fitting of claim 1, wherein the cross section of the positioning block is wide inside and narrow outside, and the narrow end outside the positioning block is fixedly connected with the inner circumferential surface of the circular ring body.
4. The outlet end nut fitting of claim 3 wherein the inner periphery of the annular body defines a plurality of axially disposed rings of retaining rings, the same ring of retaining rings being separated into segments by the axial partitions of the retaining blocks.
5. The outlet end nut fitting of claim 1 wherein the outside crest outside diameter of the external threads is greater than the outside diameter of the outer peripheral surface of the annular body.
6. The outlet end nut fitting of claim 1 wherein the outlet end nut fitting is surface coated with a Dacromet coating.
7. The outlet end nut fitting of claim 1, wherein the included angle between the horizontal center lines of two adjacent positioning blocks is 36 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964387.0U CN216242905U (en) | 2021-11-30 | 2021-11-30 | Go out water end nut joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964387.0U CN216242905U (en) | 2021-11-30 | 2021-11-30 | Go out water end nut joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242905U true CN216242905U (en) | 2022-04-08 |
Family
ID=80959076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122964387.0U Active CN216242905U (en) | 2021-11-30 | 2021-11-30 | Go out water end nut joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242905U (en) |
-
2021
- 2021-11-30 CN CN202122964387.0U patent/CN216242905U/en active Active
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