CN210779248U - Connecting structure for external signal data connection of gas meter - Google Patents
Connecting structure for external signal data connection of gas meter Download PDFInfo
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- CN210779248U CN210779248U CN201921620098.5U CN201921620098U CN210779248U CN 210779248 U CN210779248 U CN 210779248U CN 201921620098 U CN201921620098 U CN 201921620098U CN 210779248 U CN210779248 U CN 210779248U
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- signal data
- data connection
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Abstract
The utility model relates to a connection structure for external signal data connection of a gas meter, which comprises a plug and a socket, wherein the plug comprises a holding part, a middle part and an inserting part which are integrally formed, the middle part is a convex outer ring with an outer diameter larger than the holding part and the inserting part, a metal signal inserting needle is arranged on the inserting part, and a public signal connecting wire electrically connected with the metal signal inserting needle is arranged inside the plug; the socket comprises a tail part, a middle transition part and a connecting part matched with the plug part, wherein a metal ring sleeve is arranged in the middle transition part, a female signal connecting wire connected with the metal ring sleeve is arranged at the tail part, external threads are arranged outside the connecting part, an inner cavity is arranged inside the connecting part, and positioning and guiding structures are arranged in the plug part and the inner cavity of the connecting part. After the plug and the socket are inserted and connected, the plug is sleeved with the outer nut and then connected with the outer thread of the connecting part, the plug and the socket are connected in a threaded mode, and the plug and the socket cannot be easily separated and can be used for a long time.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a connection structure that is used for external signal data of gas table to connect.
[ background of the invention ]
At present, the transmission of gas meter reading and gas leakage alarm signals is to use a signal connecting line, and the signal connecting line needs to be connected with a signal line and is used for matching a plug and a socket.
These signal line plugs and sockets on the existing market are directly connected in a plugging mode, and have the following defects:
firstly, the connection mode is only realized by the friction force between the plug and the socket, and after the use time is long, the plug and the socket are easy to fall off, so that potential safety hazards are brought to the use.
Secondly, the signal lines of the two poles are very close to each other in interval distance, and the two pole lines are easy to contact and short-circuit.
Third, the connection between the wires between the plug and the receptacle is a point contact, which may result in poor contact.
Fourthly, the direct insertion is adopted, so that the dustproof and waterproof effects are not achieved. The scheme is made under the condition.
[ Utility model ] content
The utility model aims at overcoming the not enough of prior art and providing a connection structure for external signal data connection of gas table that waterproof dustproof, firm in connection, excellent in connection effect.
To the above purpose, the utility model adopts the following technical scheme:
a connecting structure for external signal data connection of a gas meter is characterized by comprising a plug 1 and a socket 2, wherein the plug 1 comprises a holding part 11, a middle part 12 and an inserting part 13 which are integrally formed, the middle part 12 is a convex outer ring with the outer diameter larger than that of the holding part 11 and the inserting part 13, a metal signal inserting needle 14 is arranged on the inserting part 13, and a male signal connecting wire 15 electrically connected with the metal signal inserting needle 14 is arranged inside the plug 1; the socket 2 comprises a tail part 21, a middle transition part 22 and a connecting part 23 matched with the plug-in part 13, wherein a metal ring sleeve 24 is arranged in the middle transition part 22, a bus signal connecting wire connected with the metal ring sleeve 24 is arranged on the tail part 21, external threads 26 are arranged outside the connecting part 23, an inner cavity is arranged inside the connecting part 23, and positioning guide structures are arranged in the inner cavities of the plug-in part 13 and the connecting part 23.
More preferably, a connection structure for external signal data connection of gas table, its characterized in that location guide structure is including establishing the direction sand grip 3 in the inner chamber of connecting portion 23 and establishing the direction recess 4 in the grafting portion 13 outside, direction sand grip 3 cooperatees with direction recess 4, realizes the location guide effect.
Preferably, the connection structure for external signal data connection of the gas meter is characterized in that friction parts 16 for increasing friction force are arranged on two opposite sides of the holding part 11 of the plug 1.
More preferably, a connection structure for external signal data connection of gas table, its characterized in that the middle transition portion 22 of socket 2 is including upper portion retaining ring 5 and lower part dog 6, is connected by transition rectangle piece 7 between upper portion retaining ring 5 and the lower part dog 6, and the length and the width of lower part dog 6 are all corresponding than the length and the width of transition rectangle piece 7 greatly, and the distance L between upper portion retaining ring 5 and lower part dog 6 is 2.1mm or 3.1mm or 3.6 mm.
Preferably, the connection structure for external signal data connection of the gas meter is characterized in that the insertion part 13 is in a truncated cone shape, and the depth of the guide groove 4 is from the outer end to the inner end from shallow to deep.
Preferably, the connection structure for external signal data connection of the gas meter is characterized in that the outer part of the tail part 21 is in an oval shape.
Preferably, the connection structure for the external signal data connection of the gas meter is characterized in that the middle of the metal ring sleeve 24 of the middle transition part 22 is filled and distinguished into an upper ring sleeve and a lower ring sleeve, the upper ring sleeve is electrically connected with the metal signal plug pin 14 in an inserting mode, and the lower ring sleeve is electrically connected with the mother signal connection line.
Preferably, the connecting structure for external signal data connection of the gas meter is characterized by further comprising an external nut, wherein the external nut is provided with an internal thread, and is connected with the external thread 26 of the connecting part 23 after being sleeved into the plug 1; the projecting outer ring of the plug part 13 is tightly attached to the outer end face of the external thread of the connecting part 23.
Preferably, the connection structure for external signal data connection of the gas meter is characterized in that the number of the metal signal insertion pins 14 is two, and the distance between the central points of the two metal signal insertion pins 14 is 4.4 mm.
Preferably, the connection structure for external signal data connection of the gas meter is characterized in that the outer diameter of the metal signal plug pin 14 is 1.5 mm.
The beneficial effects of the utility model are that:
after the plug and the socket are inserted and connected, the plug is sleeved with the outer nut and then connected with the outer thread of the connecting part, the plug and the socket are connected in a threaded mode, and the plug and the socket cannot be easily separated and can be used for a long time.
Secondly, the distance between the center points of the two metal signal insertion pins is 4.4 mm. The distance between the two metal pins is far enough that no contact short-circuit occurs.
Thirdly, the scheme adopts the metal signal inserting pin to be inserted into the metal ring sleeve for connection, the connection between the signal wires is surface contact, the contact surface is wide, the signal transmission is stable, and the effect is good.
Fourthly, the external nut is sleeved in the plug and then connected with the external thread of the connecting portion, and the protruding outer ring of the inserting portion is tightly attached to the outer end face of the external thread of the connecting portion, so that the waterproof and dustproof structure is achieved.
[ description of the drawings ]
Fig. 1 is a perspective view of the socket of the present invention.
Fig. 2 is a front view of the socket of the present invention.
Fig. 3 is a cross-sectional view of the socket of the present invention.
Fig. 4 is a front view of the plug of the present invention.
Fig. 5 is a perspective view of the plug of the present invention.
[ detailed description ] embodiments
The present invention will be described in detail with reference to the following drawings and embodiments:
in order to enhance the understanding of the present invention, the following detailed description will be made in conjunction with the embodiments and the accompanying drawings. The utility model discloses the accessible is implemented as follows:
as shown in the figure, the connecting structure for connecting the external signal data of the gas meter comprises a plug 1 and a socket 2. The plug 1 comprises a holding part 11, a middle part 12 and an inserting part 13 which are integrally formed, wherein the holding part 11, the middle part 12 and the inserting part 13 are sequentially arranged. The middle part 12 is a convex outer ring with an outer diameter larger than the holding part 11 and the insertion part 13, and the convex outer ring is arranged for sealing and blocking an outer nut. The plug 13 is provided with a metal signal insertion pin 14, and the plug 1 is provided with a male signal connection wire 15 electrically connected to the metal signal insertion pin 14. In the scheme, the socket is used for signal transmission on the gas meter, and the plug is used for signal connection on the electronic valve and the alarm, so that data connection is realized.
The socket 2 comprises a tail part 21, a middle transition part 22 and a connecting part 23 matched with the plug-in part 13, wherein a metal ring sleeve 24 is arranged in the middle transition part 22, a bus signal connecting wire connected with the metal ring sleeve 24 is arranged on the tail part 21, external threads 26 are arranged on the outer part of the connecting part 23, and an inner cavity is arranged in the connecting part 23. Furthermore, an external nut (not shown) is provided, which has an internal thread and is connected to the external thread 26 of the connecting portion 23 after being inserted into the plug 1. The convex outer ring of the plug-in part 13 is tightly attached to the outer end face of the external thread of the connecting part 23. The plug and the socket are not easy to be separated by adopting a threaded connection mode, and the plug and the socket can be used for a long time. The scheme is waterproof and dustproof. In order to increase the contact area of the surface, the outer diameter of the metal signal plug pin 14 is 1.5mm, the contact surface is wide, the signal transmission is stable, and the effect is good.
And positioning guide structures are arranged in the inner cavities of the insertion part 13 and the connecting part 23. The positioning guide structure comprises guide convex strips 3 arranged in an inner cavity of the connecting part 23 and guide grooves 4 arranged on the outer side of the inserting part 13, the guide convex strips 3 are matched with the guide grooves 4 to realize the positioning guide effect, and the two pole ends of the two lines cannot be reversely connected. Furthermore, the insertion part 13 is in a cone shape, and the depth of the guide groove 4 is from the outer end to the inner end from shallow to deep.
The holding part 11 of the plug 1 is provided with friction parts 16 on two opposite sides for increasing friction force. A plurality of raised cleats are provided on the friction portion 16. When the connection is installed, the operation is easier.
Furthermore, the middle transition portion 22 of the socket 2 includes an upper retainer ring 5 and a lower stopper 6, the upper retainer ring 5 is connected with the lower stopper 6 by a transition rectangular block 7, the length and the width of the lower stopper 6 are both larger than those of the transition rectangular block 7, and the distance L between the upper retainer ring 5 and the lower stopper 6 is 2.1mm, 3.1mm or 3.6 mm. The three distances are adopted mainly for adapting to the shell sizes with different formats, so that the multi-style and the applicability of the product are ensured.
The outer part of the tail part 21 is in an oval shape, and a plurality of counter bores are arranged at the tail part in order to realize the bending flexibility of the tail part.
Preferably, the middle of the metal ring 24 of the middle transition portion 22 is filled and distinguished as an upper ring and a lower ring, the upper ring is electrically connected with the metal signal plug pin 14 in an inserting manner, and the lower ring is electrically connected with the female signal connection wire, so that the connection effect is better.
The number of the metal signal insertion pins 14 is two, and the distance H between the central points of the two metal signal insertion pins 14 is 4.4 mm. The distance is far enough, no signal interference occurs, and short circuit is avoided.
Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connecting structure for external signal data connection of a gas meter is characterized by comprising a plug (1) and a socket (2), wherein the plug (1) comprises a holding part (11), a middle part (12) and an inserting part (13) which are integrally formed, the middle part (12) is a protruding outer ring of which the outer diameter is larger than that of the holding part (11) and that of the inserting part (13), a metal signal inserting needle (14) is arranged on the inserting part (13), and a public signal connecting wire (15) electrically connected with the metal signal inserting needle (14) is arranged inside the plug (1); the socket (2) comprises a tail portion (21), a middle transition portion (22) and a connecting portion (23) matched with the insertion portion (13), a metal ring sleeve (24) is arranged in the middle transition portion (22), a female signal connecting wire connected with the metal ring sleeve (24) is arranged on the tail portion (21), external threads (26) are arranged on the outer portion of the connecting portion (23), an inner cavity is arranged in the connecting portion (23), and positioning guide structures are arranged in the inner cavities of the insertion portion (13) and the connecting portion (23).
2. The connecting structure for the external signal data connection of the gas meter according to claim 1, wherein the positioning guide structure comprises a guide convex strip (3) arranged in an inner cavity of the connecting portion (23) and a guide groove (4) arranged outside the inserting portion (13), and the guide convex strip (3) is matched with the guide groove (4) to realize the positioning guide effect.
3. The connection structure for the external signal data connection of the gas meter according to claim 1 or 2, characterized in that friction parts (16) for increasing friction force are arranged on two opposite sides of the holding part (11) of the plug (1).
4. The connection structure for the external signal data connection of the gas meter according to claim 1 or 2, characterized in that the middle transition portion (22) of the socket (2) comprises an upper retainer ring (5) and a lower stopper (6), the upper retainer ring (5) and the lower stopper (6) are connected by a transition rectangular block (7), the length and the width of the lower stopper (6) are both larger than those of the transition rectangular block (7), and the distance L between the upper retainer ring (5) and the lower stopper (6) is 2.1mm or 3.1mm or 3.6 mm.
5. The connection structure for the external signal data connection of the gas meter according to claim 2, wherein the insertion part (13) is in a truncated cone shape, and the depth of the guide groove (4) is from shallow to deep from the outer end to the inner end.
6. The connection structure for the external signal data connection of the gas meter according to claim 1, wherein the outer portion of the tail portion (21) is in an elliptical shape.
7. The connection structure for the external signal data connection of the gas meter according to claim 1, wherein the middle of the metal ring sleeve (24) of the middle transition part (22) is filled and distinguished as an upper ring sleeve and a lower ring sleeve, the upper ring sleeve is electrically connected with the metal signal plug pin (14) in a plugging manner, and the lower ring sleeve is electrically connected with the female signal connection wire.
8. The connecting structure for the external signal data connection of the gas meter according to claim 1, characterized by further comprising an external nut, wherein the external nut is provided with an internal screw, and is connected with the external screw (26) of the connecting portion (23) after being sleeved in the plug (1); the convex outer ring of the plug part (13) is tightly attached to the outer end face of the external thread of the connecting part (23).
9. The connection structure for the external signal data connection of the gas meter according to claim 1, wherein the number of the metal signal insertion pins (14) is two, and the distance H between the center points of the two metal signal insertion pins (14) is 4.4 mm.
10. The connection structure for the external signal data connection of the gas meter according to claim 9, wherein the outer diameter of the metal signal plug pin (14) is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620098.5U CN210779248U (en) | 2019-09-26 | 2019-09-26 | Connecting structure for external signal data connection of gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620098.5U CN210779248U (en) | 2019-09-26 | 2019-09-26 | Connecting structure for external signal data connection of gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210779248U true CN210779248U (en) | 2020-06-16 |
Family
ID=71046878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921620098.5U Active CN210779248U (en) | 2019-09-26 | 2019-09-26 | Connecting structure for external signal data connection of gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210779248U (en) |
-
2019
- 2019-09-26 CN CN201921620098.5U patent/CN210779248U/en active Active
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