CN213340918U

CN213340918U - Novel thermocouple connector

Info

Publication number: CN213340918U
Application number: CN202021815363.8U
Authority: CN
Inventors: 张宗国; 徐继业; 何林; 何祥铭
Original assignee: ORKLI ELECTRONIC (KUNSHAN) CO Ltd
Current assignee: ORKLI ELECTRONIC (KUNSHAN) CO Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-01
Anticipated expiration: 2030-08-27

Abstract

The utility model provides a novel thermocouple connector, it makes the link of galvanic couple connect the needle for exposing, and its cartridge is connected the location intracavity in the solenoid valve that has the indent guiding hole for the contact is reliable and stable, and it is light convenient to install. The connector comprises a connector body and is characterized in that positioning rabbets are arranged at the connecting ends of the connector body, all the positioning rabbets are combined to form an annular structure with intervals, an axially-protruded connecting needle is arranged on the inner end face of each positioning rabbets, a hemispherical contact is arranged at the tail end of the protruded connecting needle, the connecting needles are arranged towards the inwards-concave guide holes of an electromagnetic valve, a radial expansion telescopic part is arranged at the middle section of each connecting needle in the length direction, the radial outer end points of the radial expansion telescopic part protrude out of the effective outer annular surface of the connecting needle, a circular structure with copying sizes is arranged on the periphery of the outer ring of the electromagnetic valve, the periphery of the electromagnetic valve faces the positioning rabbets, an inwards-concave positioning ring groove is formed in the circular structure, and fastening bulges are.

Description

Novel thermocouple connector

Technical Field

The utility model relates to a technical field of solenoid valve structure specifically is a novel thermocouple connector.

Background

The thermocouple connector structure of the existing gas stove is an inner hole contact type connecting terminal, the roundness of an inner concave hole is difficult to form, and the contact area of the inner concave hole and an electromagnetic valve is limited. In order to ensure good contact, the retention force of the electromagnetic valve connecting needle needs to be increased forcibly, so that the corresponding insertion force is increased, the fatigue of operators is increased due to the insertion force, forced violent assembly is easy to occur, the convex connecting needle of the electromagnetic valve is easy to deform or break, unstable and ineffective functions are caused, and fuel gas leakage is caused in serious cases.

Disclosure of Invention

In view of the above problem, the utility model provides a novel thermocouple connector, its link that makes the galvanic couple is for exposing the connection needle, and its cartridge is connected the location intracavity in the solenoid valve that has the indent guiding hole for the contact is reliable and stable, and it is light convenient to install.

A novel thermocouple connector is characterized in that: the electromagnetic valve comprises a connector body, wherein a connecting end of the connector body is provided with positioning spigots, all the positioning spigots are combined to form an annular structure with intervals, an inner end surface of each positioning spigot is provided with a connecting needle which protrudes outwards in the axial direction, the protruding tail end of each connecting needle is provided with a hemispherical contact, the connecting needles are arranged towards an inwards concave guide hole of an electromagnetic valve, the middle section of each connecting needle in the length direction is provided with a radial expansion telescopic part, the radial outer end point of each radial expansion telescopic part protrudes outwards from the effective outer ring surface of each connecting needle, so that the radial outer end point of the expansion telescopic part assembled in place is pressed and attached to the inner wall of the inwards concave guide hole, the outer ring circumference of the electromagnetic valve towards the positioning spigots is provided with a ring circumference structure with a profile modeling size, the ring circumference structure is provided with an inwards concave positioning ring groove, and the position of each positioning spigot, the buckling bulge is buckled in the concave positioning ring groove in an assembling state, so that the electromagnetic valve and the thermocouple connector are stably and reliably assembled.

It is further characterized in that:

the radial expansion telescopic part is formed by combining a plurality of elastic strips with radians, the outermost point of the radians of each elastic strip in a radial unstressed state protrudes outwards, the outermost point of the radians is a radial outer end point, a movable gap is reserved between every two adjacent elastic strips, and the corresponding ends of all the elastic strips are combined to form an equivalent annular structure which is arranged at intervals;

the electromagnetic valve is provided with a welding part corresponding to the hemispherical contact of the connecting pin, and the hemispherical contact is arranged close to the welding part;

when the connector is a single-wire electromagnetic valve, the electromagnetic valve is provided with an inwards concave guide hole, and the central area of the inner end surface of the positioning spigot of the connector body is provided with an outwards convex connecting needle;

when the connector is a double-line electromagnetic valve, the electromagnetic valve is provided with two inwards concave guide holes, and two sides of the central area of the inner end surface of the positioning spigot of the connector body are respectively provided with a convex connecting needle.

Adopt the utility model discloses afterwards, set up the connecting pin into the glossy connecting pin that exposes, the evagination end of connecting the pin is provided with the hemisphere contact, the connecting pin is arranged towards the indent guiding hole of solenoid valve, the overall dimension of connecting the pin is stable, the cartridge is in the solenoid valve connection location intracavity that has the indent guiding hole, and the protruding lock of the lower concave lock of dress of equipment state is in indent positioning ring inslot, the equipment is in place the inner wall of the radial outer end point pressure of the expansion telescopic part of back attaches the indent guiding hole of laminating for the contact is reliable and stable, and it is light convenient to install.

Drawings

Fig. 1 is a schematic cross-sectional view of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a second embodiment of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the connector comprises a connector body 1, a positioning spigot 2, a connecting needle 3, a hemispherical contact 4, an electromagnetic valve 5, a concave guide hole 6, a circumferential structure 7, a concave positioning ring groove 8, a buckling bulge 9, a welding part 10, a radial expansion telescopic part 11, an elastic strip 12, an outermost radian point 121 and a movable gap 13.

Detailed Description

A novel thermocouple connector, see fig. 1 and 2: the connector comprises a connector body 1, wherein a connecting end of the connector body 1 is provided with positioning rabbets 2, all the positioning rabbets are combined to form an annular structure with intervals, an axially convex connecting needle 3 is arranged on the inner end surface of each positioning rabbet 2, a hemispherical contact 4 is arranged at the convex tail end of each connecting needle 3, each connecting needle 3 faces towards an inner concave guide hole 6 of a solenoid valve 5, a radial expansion telescopic part 11 is arranged at the middle section of the connecting needle in the length direction, the radial outer end point of each radial expansion telescopic part 11 protrudes out of the effective outer ring surface of each connecting needle 3, the radial outer end point of each assembled expansion telescopic part 11 is pressed and attached to the inner wall of the corresponding inner concave guide hole 6, each radial expansion telescopic part 11 is formed by combining a plurality of elastic strips 12 with radian, and the outermost point 121 of each elastic strip 12 in a radial unstressed state protrudes outwards, the radian outermost point 121 is a radial outer end point, a movable gap 13 is reserved between adjacent elastic strips 12, and corresponding ends of all the elastic strips 12 are combined to form an equivalent annular structure which is arranged at intervals;

the periphery of the outer ring of the electromagnetic valve 5 facing the positioning spigot 2 is provided with a peripheral structure 7 with a copying size, the peripheral structure 7 is provided with a concave positioning ring groove 8, a buckling bulge 9 is arranged at the position of the positioning spigot 2 corresponding to the concave positioning ring groove 8, and the concave buckling bulge 9 is buckled in the concave positioning ring groove 8 in an assembling state, so that the electromagnetic valve 8 and the thermocouple connector are stably and reliably assembled.

The electromagnetic valve 5 is provided with a welding part 10 corresponding to the position of the hemispherical contact 4 of the connecting needle 3, and the hemispherical contact 4 is arranged close to the welding part 10;

the first specific embodiment is shown in fig. 1: when the electromagnetic valve 5 is a single-wire electromagnetic valve, the electromagnetic valve 5 is provided with an inward concave guide hole 6, and the central area of the inner end surface of the positioning spigot 2 of the connector body 1 is provided with an outward convex connecting needle 3.

The second embodiment is shown in fig. 2: when the electromagnetic valve 5 is a double-wire electromagnetic valve, the electromagnetic valve 5 is provided with two concave guide holes 6, and two sides of the central area of the inner end surface of the positioning spigot 2 of the connector body 1 are respectively provided with a convex connecting needle 3.

The working principle is as follows: the connecting needle is provided with a smooth exposed connecting needle, the convex tail end of the connecting needle is provided with a hemispherical contact, the connecting needle is arranged towards the concave guide hole of the electromagnetic valve, the overall dimension of the connecting needle is stable, the connecting needle is inserted into the electromagnetic valve connecting and positioning cavity with the concave guide hole, and the concave buckling bulge is buckled in the concave positioning ring groove in an assembling state, so that the contact is stable and reliable, and the installation is easy and convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel thermocouple connector is characterized in that: the electromagnetic valve comprises a connector body, wherein a connecting end of the connector body is provided with positioning spigots, all the positioning spigots are combined to form an annular structure with intervals, an inner end surface of each positioning spigot is provided with a connecting needle which protrudes outwards in the axial direction, the protruding tail end of each connecting needle is provided with a hemispherical contact, the connecting needles are arranged towards an inwards concave guide hole of an electromagnetic valve, the middle section of each connecting needle in the length direction is provided with a radial expansion telescopic part, the radial outer end point of each radial expansion telescopic part protrudes outwards from the effective outer ring surface of each connecting needle, so that the radial outer end point of the expansion telescopic part assembled in place is pressed and attached to the inner wall of the inwards concave guide hole, the outer ring circumference of the electromagnetic valve towards the positioning spigots is provided with a ring circumference structure with a profile modeling size, the ring circumference structure is provided with an inwards concave positioning ring groove, and the position of each positioning spigot, the concave buckling bulge is buckled in the concave positioning ring groove in an assembling state.

2. A novel thermocouple connector as defined in claim 1 wherein: the radial expansion telescopic part is formed by combining a plurality of elastic strips with radians, the outermost point of the radians of each elastic strip in a radial unstressed state protrudes outwards, the outermost point of the radians is a radial outer end point, a movable gap is reserved between every two adjacent elastic strips, and the corresponding ends of all the elastic strips are combined to form an equivalent annular structure which is arranged at intervals.

3. A novel thermocouple connector as defined in claim 1 wherein: the electromagnetic valve is provided with a welding part corresponding to the hemispherical contact position of the connecting pin, and the hemispherical contact is arranged close to the welding part.

4. A novel thermocouple connector as defined in claim 1 wherein: when the connector is a single-wire electromagnetic valve, the electromagnetic valve is provided with an inwards concave guide hole, and the central area of the inner end surface of the positioning spigot of the connector body is provided with an outwards convex connecting needle.

5. A novel thermocouple connector as defined in claim 1 wherein: when the connector is a double-line electromagnetic valve, the electromagnetic valve is provided with two inwards concave guide holes, and two sides of the central area of the inner end surface of the positioning spigot of the connector body are respectively provided with a convex connecting needle.