CN220456676U - Equipotential insert and equipotential device - Google Patents
Equipotential insert and equipotential device Download PDFInfo
- Publication number
- CN220456676U CN220456676U CN202321986327.1U CN202321986327U CN220456676U CN 220456676 U CN220456676 U CN 220456676U CN 202321986327 U CN202321986327 U CN 202321986327U CN 220456676 U CN220456676 U CN 220456676U
- Authority
- CN
- China
- Prior art keywords
- insert
- equipotential
- pipe fitting
- ring
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an equipotential insert and an equipotential device, wherein the equipotential insert is used for injection molding with a pipe fitting and comprises an insert main body and a wiring terminal, and the wiring terminal is connected to the insert main body; the end face of one end of the insert body is provided with a plurality of first rotation stopping teeth which are fixedly combined with the pipe fitting, and the first rotation stopping teeth are distributed at intervals along the circumferential direction of the insert body. The utility model ensures that the insert main body is tightly combined with the pipe fitting after injection molding, and effectively prevents the relative rotation between the insert main body and the pipe fitting.
Description
Technical Field
The utility model relates to the field of pipe fitting connection, in particular to an equipotential insert and an equipotential device.
Background
Equipotential means that the housing or metal part of the device etc. is connected to ground. The constant-voltage box is generally used for repeatedly grounding in a power distribution room, is suitable for equipotential connection according to requirements of building department 'house design rule' in new houses in towns, is widely used as standard indoor electrical equipment in daily life, is also used in toilets with bath equipment for households, and is used for grounding bath equipment and related sockets. For example, in the prior art, the chinese utility model with application number 202021592561.2 discloses a novel equipotential insert for forming a pipe joint with an insert with pipe injection molding, including a main body and a matched fixing terminal, a boss is arranged on one side of the main body, a blind hole is arranged in the middle of the side surface of the boss, and the blind hole is used for installing the fixing terminal. The middle part of the main body is provided with an internal channel, the internal channel adopts a threaded structure, and the blind hole is perpendicular to the internal channel.
The equipotential inserts of the prior art generally have the following problems: the insert prevents the rotation from being poor.
Disclosure of Invention
The utility model provides an equipotential insert and an equipotential device, which can tightly combine a pipe fitting and the insert to prevent relative rotation by improving the structure.
The technical scheme adopted for solving the technical problems is as follows: an equipotential insert is used for injection molding with a pipe fitting and comprises an insert main body and a wiring terminal, wherein the wiring terminal is connected to the insert main body; the end face of one end of the insert body is provided with a plurality of first rotation stopping teeth which are fixedly combined with the pipe fitting, and the first rotation stopping teeth are distributed at intervals along the circumferential direction of the insert body.
Furthermore, the outer side surface of the insert main body is provided with at least one circle of positioning groove, a sealing ring is sleeved in the positioning groove, and the sealing ring protrudes out of the positioning groove in the depth direction of the positioning groove.
Further, an inner thread is arranged on the inner side surface of the insert main body; at least one circle of back-off ring is arranged on the inner side surface of the insert main body, and the back-off ring is fixedly combined with the part of the pipe fitting entering the back-off ring when the pipe fitting is subjected to injection molding; the back-off ring and the internal thread are arranged along the direction from one end to the other end of the insert body.
Further, the outer side surface of the insert main body is also provided with at least one circle of groove; the positioning groove is located between the groove and the first rotation stopping tooth.
Further, the grooves are dovetail grooves with narrow outside and wide inside.
Further, a plurality of second rotation stopping teeth which are distributed at intervals along the circumferential direction of the insert main body and are used for being fixedly combined with the pipe fitting are arranged on the outer side surface of the insert main body; the second plurality of anti-rotation teeth are located at the other end of the insert body.
Further, a threaded blind hole is formed in the insert body, and the wiring terminal is connected to the threaded blind hole by a screw.
Further, the threaded blind hole is located on the outer side face of the insert body.
Further, the wiring terminal comprises a fixing portion and a wiring ring, the fixing portion is provided with a through hole for a screw rod of the screw to pass through, the wiring ring is an open ring, and one end of the wiring ring is fixed to the fixing portion.
The utility model further provides an equipotential device, which comprises a pipe fitting and the equipotential insert, wherein the pipe fitting is fixedly combined with the insert main body through injection molding.
Compared with the prior art, the utility model has the following beneficial effects:
1. the end face of one end of the insert body is provided with the first rotation stopping teeth which are used for being fixedly combined with the pipe fitting, and the first rotation stopping teeth are distributed at intervals along the circumferential direction of the insert body, so that the insert body and the pipe fitting can be effectively prevented from rotating relatively.
2. Because the outer side surface of the insert body is provided with at least one circle of positioning groove, and the positioning groove is sleeved with the sealing ring, the sealing ring protrudes out of the positioning groove in the depth direction of the positioning groove, so that the insert body and the pipe fitting can be sealed by the sealing ring after being combined by injection molding, and the water leakage phenomenon caused by gaps between the pipe fitting and the insert body is prevented.
3. According to the utility model, the inner side surface of the insert body is provided with at least one circle of back-off ring, so that the fixing binding force between the insert body and the pipe fitting can be enhanced, and the phenomenon of separation between the insert body and the pipe fitting caused by overlarge force during threaded connection is prevented.
4. According to the utility model, at least one circle of groove is further arranged on the outer side surface of the insert body, and the groove is a dovetail groove with a narrow outer side and a wide inner side, so that gaps between the pipe fitting and the insert body caused by expansion with heat and contraction with cold during injection molding can be reduced, and the phenomenon of water leakage is further avoided.
5. According to the utility model, the outer side surface of the insert body is provided with the plurality of second rotation stopping teeth which are arranged at intervals along the circumferential direction of the insert body, so that the rotation stopping effect of the insert body can be further enhanced.
6. According to the utility model, the threaded blind hole is arranged outside the insert main body, and the wiring terminal is connected to the threaded blind hole by adopting a screw, so that the wiring terminal can be fastened on the insert main body, and the wiring terminal is prevented from being separated.
The utility model is described in further detail below with reference to the drawings and examples; however, the equipotential insert and the equipotential device of the present utility model are not limited to the embodiments.
Drawings
FIG. 1 is an exploded schematic view of the equipotential insert of the present utility model;
FIG. 2 is a schematic cross-sectional view of an insert body of the present utility model;
FIG. 3 is a schematic of a perspective view of an equipotential insert of the present utility model;
FIG. 4 is a schematic cross-sectional view of an equipotential insert of the present utility model;
in the figure: 1. an insert body; 11. a positioning groove; 12. an internal thread; 13. a reverse buckle ring; 14. a dovetail groove; 15. a first rotation stopping tooth; 16. a second rotation stopping tooth; 17. a boss; 171. a threaded blind hole; 2. a connection terminal; 21. a fixing part; 211. a through hole; 22. a wire connecting ring; 3. a seal ring; 4. and (5) a screw.
Detailed Description
In the present disclosure, the terms "first," "second," and the like are used merely to distinguish between similar objects and not necessarily to describe a particular sequence or order, nor are they to be construed as indicating or implying a relative importance. In the description, the orientation or positional relationship indicated by "upper", "lower", etc. are used based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model, and are not intended to indicate or imply that the apparatus referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of protection of the present utility model. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In addition, in the description of the present application, unless otherwise indicated, "a plurality" means two or more.
Referring to fig. 1-4, an equipotential insert of the present utility model is used for injection molding with a pipe, and includes an insert body 1 and a connection terminal 2, wherein the connection terminal 2 is connected to the insert body 1. The end face of one end of the insert body 1 is provided with a plurality of first rotation stopping teeth 15 which are used for being fixedly combined with a pipe fitting, and the first rotation stopping teeth 15 are distributed at intervals along the circumferential direction of the insert body. When the pipe fitting is injection molded, the first rotation stopping teeth 15 are fixedly combined with the part of the pipe fitting entering between the adjacent first rotation stopping teeth 15. The number of the first rotation stop teeth 15 is specifically six, but is not limited thereto. The provision of the first rotation stop teeth 15 prevents relative rotation of the tube and the insert body 1 during installation.
Preferably, the outer side surface of the insert body 1 is provided with at least one circle of positioning groove 11, a sealing ring 3 is sleeved in the positioning groove 11, and the sealing ring 3 protrudes out of the positioning groove 11 in the depth direction of the positioning groove 11. Specifically, the number of the positioning grooves 11 is one turn, but is not limited thereto. The sealing ring 3 can seal the pipe fitting and the insert main body 1 after injection molding and combination, so as to prevent water leakage caused by gaps between the pipe fitting and the insert main body.
The inner side surface of the insert body 1 is provided with an internal thread 12; the inner side of the insert body 1 is provided with at least one circle of inverted buckle ring 13, and when the pipe fitting is injection molded, the inverted buckle ring 13 is fixedly combined with the part of the pipe fitting entering the inverted buckle ring 13, so that the fixed binding force between the insert body and the pipe fitting is enhanced, and the insert body 1 and the pipe fitting are prevented from being axially separated due to overlarge force in the threaded connection process. The back-off ring 13 and the internal thread 12 of the insert body 1 are arranged in a direction from one end to the other end of the insert body 1. In this embodiment, the number of the back-off rings 13 is one, and the inner diameter of one end of the back-off ring 13 close to the internal thread 12 is larger than the inner diameter of the other end of the back-off ring 13 far away from the internal thread 12, so that when the pipe fitting and the insert main body 1 are injection molded, one end of the back-off ring 13 close to the internal thread 12 can play a certain role in stopping, and the plastic melt of the pipe fitting is reduced from entering the area where the internal thread 12 of the insert main body 1 is located. In other embodiments, the number of the inverted buckles 13 can be increased according to practical needs to further improve the connection strength.
In this embodiment, the outer side surface of the insert body 1 is further provided with at least one circle of groove, and the positioning groove 11 is located between the groove and the first rotation stopping tooth 15. Specifically, the number of the grooves is one, and the grooves are dovetail grooves 14 with a narrow outer portion and a wide inner portion, so that on one hand, the fixing binding force between the pipe fitting and the insert main body 1 can be enhanced, and on the other hand, gaps are formed between the pipe fitting and the insert main body 1 due to different shrinkage ratios after thermal expansion and shrinkage during injection molding of the pipe fitting and the insert main body 1 (plastic and metal), and water leakage is further prevented. In other embodiments, the number of dovetail slots 14 may be increased as desired. The positioning groove 11 is positioned on one side of the dovetail groove 14 away from the wiring terminal 2 and is matched with the dovetail groove 14 so as to strengthen the sealing effect between the pipe fitting and the insert main body 1.
In this embodiment, further, the outer side surface of the insert body 1 is provided with a plurality of second rotation stopping teeth 16 arranged at intervals along the circumferential direction of the insert body, so that the rotation stopping effect of the pipe fitting and the insert body 1 is further enhanced. The second rotation stopping teeth 16 are located at the other end of the insert body 1, and each second rotation stopping tooth 16 is respectively elongated and extends along the axial direction of the insert body 1.
Preferably, a threaded blind hole 171 is formed outside the insert body 1, and the terminal 2 is connected to the threaded blind hole 171 by a screw 4 to prevent the terminal 2 from being separated from the insert body 1. The blind threaded hole 171 is located on the outer side of the insert body 1. Specifically, the outer side surface of the insert body 1 is provided with a boss 17, and the outward side of the boss 17 is provided with the threaded blind hole 171, so that the threaded blind hole 171 is in an exposed state after the pipe fitting is combined with the insert body 1 in an injection molding manner.
The connection terminal 2 is made of conductive material and comprises a fixing portion 21 and a connection ring 22, wherein the fixing portion 21 is provided with a through hole 211 for the screw rod of the screw 4 to pass through, the connection ring 22 is a split ring, and one end of the connection ring 22 is fixed on the fixing portion 21.
When the equipotential insert is used for connecting a wire, one end of the wire is inserted into the wiring ring 22 of the wiring terminal 2, then the wiring ring 22 is clamped by a wire clamp, so that the opening of the wiring ring 22 is reduced, the wire is fastened on the wiring ring 22, and then the wiring terminal 2 is tightly locked on the threaded blind hole 171 of the insert body 1 by the screw 4.
The equipotential device comprises a pipe fitting and the equipotential insert, wherein the pipe fitting is fixedly combined with the insert main body through injection molding, and the sealing ring is in sealing fit between the pipe fitting and the insert main body.
The equipotential insert and the equipotential device of the present utility model are not related to the same parts as or can be realized by the prior art.
The above embodiments are only used for further illustrating an equipotential insert and equipotential device of the present utility model, but the present utility model is not limited to the embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the scope of the technical solution of the present utility model.
Claims (10)
1. An equipotential insert is used for injection molding with a pipe fitting and comprises an insert main body and a wiring terminal, wherein the wiring terminal is connected to the insert main body; the method is characterized in that: the end face of one end of the insert body is provided with a plurality of first rotation stopping teeth which are fixedly combined with the pipe fitting, and the first rotation stopping teeth are distributed at intervals along the circumferential direction of the insert body.
2. The equipotential insert of claim 1 wherein: the outer side surface of the insert body is provided with at least one circle of positioning groove, a sealing ring is sleeved in the positioning groove, and the sealing ring protrudes out of the positioning groove in the depth direction of the positioning groove.
3. The equipotential insert of claim 1 wherein: an inner thread is arranged on the inner side surface of the insert main body; at least one circle of back-off ring is arranged on the inner side surface of the insert main body, and the back-off ring is fixedly combined with the part of the pipe fitting entering the back-off ring when the pipe fitting is subjected to injection molding; the back-off ring and the internal thread are arranged along the direction from one end to the other end of the insert body.
4. The equipotential insert of claim 2 wherein: the outer side surface of the insert main body is also provided with at least one circle of groove; the positioning groove is located between the groove and the first rotation stopping tooth.
5. The equipotential insert of claim 4 wherein: the grooves are dovetail grooves with the outer part narrow and the inner part wide.
6. The equipotential insert of claim 1 wherein: the outer side surface of the insert body is provided with a plurality of second rotation stopping teeth which are distributed at intervals along the circumferential direction of the insert body and are used for fixedly combining with the pipe fitting; the second plurality of anti-rotation teeth are located at the other end of the insert body.
7. The equipotential insert of claim 1 wherein: the insert body is provided with a threaded blind hole, and the wiring terminal is connected to the threaded blind hole by a screw.
8. The equipotential insert of claim 7 wherein: the threaded blind hole is positioned on the outer side face of the insert body.
9. The equipotential insert of claim 7 wherein: the wiring terminal comprises a fixing part and a wiring ring, wherein the fixing part is provided with a through hole for a screw rod of the screw to pass through, the wiring ring is an open ring, and one end of the wiring ring is fixed on the fixing part.
10. An equipotential device, includes pipe fitting, its characterized in that: further comprising the equipotential insert of any one of claims 1-9, wherein the tube is fixedly joined to the insert body by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321986327.1U CN220456676U (en) | 2023-07-26 | 2023-07-26 | Equipotential insert and equipotential device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321986327.1U CN220456676U (en) | 2023-07-26 | 2023-07-26 | Equipotential insert and equipotential device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456676U true CN220456676U (en) | 2024-02-06 |
Family
ID=89724088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321986327.1U Active CN220456676U (en) | 2023-07-26 | 2023-07-26 | Equipotential insert and equipotential device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456676U (en) |
-
2023
- 2023-07-26 CN CN202321986327.1U patent/CN220456676U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2685519C (en) | Submersible electrical set-screw connector | |
| CN218216663U (en) | Aviation cable joint that leakproofness is good | |
| CN220456676U (en) | Equipotential insert and equipotential device | |
| CN106785629B (en) | Cable connecting seat and cable connector corresponding to same | |
| CN204857993U (en) | Strain clamp insulating sheath | |
| CN106152081B (en) | Lamp incoming line sealing device and lamp | |
| US9353506B2 (en) | Installation structure for a water inlet pipe | |
| US8936037B2 (en) | Outlet pipe structure of a faucet | |
| KR20050031828A (en) | a | |
| CN212849051U (en) | T-shaped waterproof connector | |
| CA2474547C (en) | Electrical connector apparatus and cover therefor | |
| CN211398956U (en) | High leakproofness reliability fluoroplastic joint design | |
| CN114243605A (en) | Assembled buried line device | |
| CN113612172A (en) | Prefabricated assembled electric fast-assembling pipeline, connecting device and system | |
| CN202167703U (en) | Clamping ring for waterproof connector | |
| CN202159846U (en) | Waterproof connector combination | |
| CN110137734B (en) | Cable connecting terminal | |
| CN217307157U (en) | Line pipe pipeline fitting | |
| CN215703521U (en) | Novel equipotential inserts | |
| CN106090484B (en) | With the metal interior tooth water pipe head that equipotential line is facilitated to connect | |
| CN213685700U (en) | Electric steel pipe of building is to mouthful connecting device | |
| CN218975849U (en) | Connector structure | |
| CN221126379U (en) | MC4 waterproof fast-assembling connects fixer | |
| CN214380085U (en) | Local equipotential bonding structure of equipotential pipe fitting | |
| CN214590413U (en) | Cable plugging structure that registers one's residence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |