CN209730250U

CN209730250U - A kind of coaxial thermocouple

Info

Publication number: CN209730250U
Application number: CN201920652310.XU
Authority: CN
Inventors: 李平友; 沈珍娜; 毕凤娟
Original assignee: ZHEJIANG SANGUO PRECISION ELECTROMECHANICAL CO Ltd
Current assignee: ZHEJIANG SANGUO PRECISION ELECTROMECHANICAL CO Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2019-12-03
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a kind of coaxial thermocouple, belongs to the technical field of connector.A kind of coaxial thermocouple includes pedestal, socket and elastic slice；The utility model is provided with convex neck by protruding outward the middle part being arranged in a tubular form, and side stage socket is equipped in the edge of convex neck and is inserted in the hollow interior of pedestal, elastic slice is set in the gap between side stage and the outer wall of pedestal, the side for realizing elastic slice is put into, or through-hole will be opened up on convex neck, elastic slice is inserted into from through-hole, it realizes and is put into below elastic slice, and socket and elastic slice are provided with point contact structure and are point contact with the contact pin of solenoid valve and valve body nut, the problem of preventing connection to tilt, reduce contact resistance, it ensure that contact resistance, conducive to assembling, and convex neck is connected with pedestal in arc surface, meet human engineering mechanics, comfort is high, and hand contact zone is the pedestal of plastic material, elastic slice only contacts in the range of side stage with valve body nut, more material saving, more conducively product promotion and use.

Description

A kind of coaxial thermocouple

Technical field

The utility model relates to the technical fields of connector, are specifically related to a kind of coaxial thermocouple.

Background technique

In the connection structure of solenoid valve, thermocouple structure is widely used, and selects coaxial thermocouple knot in most cases Structure is attached.

Currently, coaxial thermocouple structure on the market include tubulose mould set and socket and female connector, socket and female connector it is equal For metal material, socket is inserted in the hollow interior of mould set, and female connector is wrapped in the outside of mould set, and socket and female connector are connected separately with Positive and negative terminated line, in use, thermocouple is inserted in the valve body nut of solenoid valve, so that solenoid valve contact pin is inserted in socket simultaneously Contact with each other, valve body nut is contacted with female connector, realize the conducting of solenoid valve positive and negative anodes, and mould set play insulation positive and negative terminal and The effect of installation limit is provided；On the market there is also a kind of improved coaxial thermocouple structure, by by female connector equally in a tubular form Setting, and the outer wall of one end of female connector is made of several elastic slices, and elastic slice diffuses to form wine barrel-shaped outward, so that female connector and valve The contact of body nut is more preferable, and still, two kinds above-mentioned of coaxial thermocouple structure, run-off the straight when being such as inserted into then will lead to slotting The problem of seat or solenoid valve contact pin deform, so that contact point is reduced, causes contact resistance to increase outer so that contact resistance increases, Service life is also shortened, inserts and unloads inconvenience, in addition, there is also female connectors to be inserted in the problem bigger than normal of power in mould set, so that production installation When the corresponding assembling of tooling efficiency it is lower, and while installing, needs hand directly to contact metal parts, and large labor intensity is unfavorable for producing The production of product.

Summary of the invention

For the above-mentioned problems in the prior art, it is now intended to provide a kind of coaxial thermocouple, based on pedestal, and In being provided with side stage on the side wall of pedestal, elastic slice is provided in side stage, meanwhile, be inserted with socket in pedestal, and by socket and Elastic slice is connected in positive and negative terminated line, and socket and elastic slice are provided with point contact structure, so that it is in the valve with solenoid valve The problem of being point contact when body nut is attached, being avoided that run-off the straight, to effectively reduce contact resistance, ensure that and connect Electric shock resistance, improves switching performance, while can also unload convenient for the slotting of user, in addition, one end of pedestal is provided with arc transition Face so that it is rounder and more smooth with the contact portion of manpower and be plastic cement material, not only contact feeling is better, it is easy to assembly, improve Production capacity, and the structural material of the female connector relative to external package metal material, using more saving, resource consumption is lower, more conducively produces The popularization and use of product.

Specific technical solution is as follows:

A kind of coaxial thermocouple, has the feature that, comprising: pedestal, socket and elastic slice, pedestal are arranged in a tubular form, The convex neck for being provided with an annular is protruded outward in the middle part of pedestal, and is arranged on the edge of convex neck side and along the axial direction of pedestal Have a side stage, gap be provided between side stage and the outer wall of pedestal, meanwhile, pedestal it is hollow in be inserted with socket, socket is same It is arranged in a tubular form, elastic slice is arranged in " Y " font, and the fork end of elastic slice is embedded at the gap between side stage and the outer wall of pedestal Interior, only head end of elastic slice stretches out in the setting of the side outside gap and towards convex nape from side stage, meanwhile, elastic slice and socket are respectively provided with There are a contact structures, and the outer wall of the face of one end by convex nape from side stage and pedestal is connected in arc surface, and elastic slice is only It is connect respectively with positive and negative terminated line on head end and socket.

Above-mentioned a kind of coaxial thermocouple, wherein socket includes slot end and the terminals that connect with slot end, slot end Outer wall on protrude outward and be provided with detent, meanwhile, in protruding inwardly from the inner wall of socket and in the range of being located at slot end and set It is equipped with point contact, and the arc-shaped setting in cross section of point contact.

Above-mentioned a kind of coaxial thermocouple, wherein one of wiring in the terminals of socket and positive and negative terminated line connects It connects.

Above-mentioned a kind of coaxial thermocouple, wherein side stage is provided projectingly on the edge of one end of convex neck into gap There are strut rail and the perpendicular gear vertical with strut rail, and on the perpendicular edge for keeping off a side for being set to side stage.

Above-mentioned a kind of coaxial thermocouple, wherein set on side stage and in the one side in gap to gap side is prominent It is equipped with fixture block.

Above-mentioned a kind of coaxial thermocouple, wherein two sides at the fork end of elastic slice are arranged in one is long and the other is short, and long one Side is disposed in proximity to the side of pedestal, and short a line is disposed in proximity to the side of side stage, meanwhile, two sides are arc-shaped curved Song setting, and two sides are to be bent to the direction close to another a line.

Above-mentioned a kind of coaxial thermocouple, wherein offer bayonet on elastic slice in a line of side stage side, and block Mouth cooperates with fixture block.

Above-mentioned a kind of coaxial thermocouple, wherein convex neck is provided with the side of side stage and offers one along the axial direction of pedestal Through-hole, and side stage has been provided projectingly strut rail into gap on the edge of one end of convex neck, along the radial direction of pedestal on side stage Offer a card hole.

Above-mentioned a kind of coaxial thermocouple, wherein two sides at the fork end of elastic slice are arranged in one is long and the other is short, and long one Side is disposed in proximity to the side of pedestal, and short a line is disposed in proximity to the side of side stage, meanwhile, two sides are arc-shaped curved Song setting, and two sides are to be bent to the direction close to another a line, only head end of elastic slice is out of through-hole along convex nape from side The direction of platform is stretched out.

Above-mentioned a kind of coaxial thermocouple, wherein prominent to side stage side in a line of side stage side on elastic slice It is provided with card, and card and card hole cooperate.

The good effect of above-mentioned technical proposal is:

Above-mentioned coaxial thermocouple is provided with convex neck in the middle part of the pedestal of tubulose, and at the edge of the side of convex neck On be provided projectingly side stage, and in being arranged with the elastic slice in the setting of " Y " font in side stage, meanwhile, pedestal it is hollow in plug There is the socket being equally arranged in a tubular form, and in being provided with point contact structure on elastic slice and socket, to effectively prevent even Original face contact is changed to by the problem of tilting when connecing the valve body nut of solenoid valve to reduce the insertion force of assembling Point contact ensure that contact resistance, thus the problem of improving switching performance, avoiding the occurrence of poor contact, and also facilitate Plug, the more conducively installation of user, meanwhile, the connection between convex neck and pedestal is connected in arc surface, so that contacting with hand Place more meet human engineering mechanics, comfort is higher, and place contact with hand be plastic material pedestal, group Dress is more convenient, so that production efficiency is effectively improved, in addition, being only provided with elastic slice and valve body spiral shell in the gap of side stage and pedestal Cap contact, materials'use more save, and resource consumption is less, and cost is lower, more conducively the popularization and use of product.

Detailed description of the invention

Fig. 1 is a kind of structure chart of the embodiment of coaxial thermocouple of the utility model；

Fig. 2 is the structure chart of the socket of one preferred embodiment of the utility model；

Fig. 3 is a kind of structure chart of pedestal of one preferred embodiment of the utility model；

Fig. 4 is a kind of structure chart of elastic slice of one preferred embodiment of the utility model；

Fig. 5 is the structure chart of one preferred embodiment another kind pedestal of the utility model；

Fig. 6 is the structure chart of one preferred embodiment another kind elastic slice of the utility model.

In attached drawing: 1, pedestal；11, convex neck；12, side stage；13, gap；111, through-hole；121, strut rail；122, gear is erected；123, Fixture block；124, card hole；2, socket；21, slot end；22, terminals；211, detent；212, point contact；3, elastic slice；31, fork End；32, only head end；311, bayonet；312, card；4, solenoid valve；41, valve body nut；42, contact pin.

Specific embodiment

In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with Lower embodiment combination attached drawing 1 is specifically addressed technical solution provided by the utility model to attached drawing 6, but the following contents not as The restriction of the utility model.

Embodiment one:

Fig. 1 is a kind of structure chart of the embodiment of coaxial thermocouple of the utility model.As shown in Figure 1, the present embodiment mentions The coaxial thermocouple of confession includes: pedestal 1, socket 2 and elastic slice 3, and pedestal 1 is arranged in a tubular form, and the middle part of pedestal 1, which protrudes outward, to be set It is equipped with the convex neck 11 of an annular, and is provided with a side stage 12, side stage on the edge of convex 11 side of neck and along the axial direction of pedestal 1 Gap 13 is provided between 12 and the outer wall of pedestal 1, meanwhile, pedestal 1 it is hollow in be inserted with socket 2, socket 2 is equally in a tubular form Setting realizes 4 contact pin of solenoid valve so that pedestal 1, when connecting with solenoid valve 4,4 contact pin 42 of solenoid valve can be plugged in socket 2 42 and socket 2 connection, to realize the conducting of a wherein electrode.Elastic slice 3 is arranged in " Y " font, and elastic slice 3 includes fork end 31 With only head end 32, the fork end 31 of elastic slice 3 is embedded in the gap 13 between side stage 12 and the outer wall of pedestal 1, so that fork end 31 can be fastened on the valve body nut 41 of solenoid valve 4 and contact, and realize the conducting of another electrode, and only head end 32 of elastic slice 3 stretches out It is arranged outside gap 13 and towards convex neck 11 away from the side of side stage 12, meanwhile, elastic slice 3 and socket 2 are provided with point-contact junction Structure effectively prevents the problem of tilting when connection, ensure that contact resistance, so as to avoid there is asking for poor contact Topic, while assembling insertion force can preferably be reduced using point contact structure, so that it is easier for installation, improve the effect of assembling Rate, in addition, convex neck 11 is connect with the outer wall of pedestal 1 in arc surface away from the face of one end of side stage 12, so that and human contact Region more meet the requirement of human engineering mechanics, and the material of pedestal 1 and convex neck 11 is plastics, so that the comfort of assembling Height, assembles more convenient, production value is improved, moreover, the only valve between side stage 12 and the outer wall of pedestal 1 with solenoid valve 4 of elastic slice 3 Body nut 41 contact so that materials more save, avoid the waste of resource, and on the only head end 32 and socket 2 of elastic slice 3 respectively with Positive and negative terminated line connection, realizes and positive negative electricity and solenoid valve 4 is connected, structurally reasonable.

Fig. 2 is the structure chart of the socket of one preferred embodiment of the utility model.As depicted in figs. 1 and 2, it is plugged in pedestal 1 It is hollow in socket 2 include slot end 21 and the terminals 22 that are connect with slot end 21, to evagination on the outer wall at slot end 21 Be provided with detent 211 out so that socket 2 be inserted in pedestal 1 it is hollow it is interior after be fastened in pedestal 1 by detent 211, avoid Movement of the socket 2 in pedestal 1 and influence its service performance, ensure that the stability of connection.Meanwhile on the inner wall of socket 2 And it is located in the range of slot end 21 to protrude inwardly from and is provided with point contact 212, and the cross section of point contact 212 arc-shaped is set It sets, guiding can be provided by point contact 212 for the insertion of 4 contact pin 42 of solenoid valve, effectively prevent occurring when insertion inclined Problem, and the contact of the two is changed to point contact by original face contact, the insertion force of assembling is reduced, is avoided excessive Contact resistance ensure that contact resistance, so that assembling is more convenient, the more conducively installation of user.

In addition, the terminals 22 of socket 2 are connect with one of wiring in positive and negative terminated line, enable socket 2 with just Wherein one end of cathode is connected to, and realizes being connected to for solenoid valve 4 and positive and negative anodes, more reasonable structure.

Fig. 3 is a kind of structure chart of pedestal of one preferred embodiment of the utility model.As shown in figures 1 and 3,1 middle part of pedestal Convex neck 11 on the side stage 12 that is provided projectingly strut rail 121 has been provided projectingly into gap 13 on the edge of one end of convex neck 11 The perpendicular gear 122 vertical with strut rail 121, and on the perpendicular edge for keeping off a side that 122 are set to side stage 12, so that in side stage 12 The position limiting structure that " L " font of half packet is formed on the edge of the side of one end of convex neck 11, realizes the side of elastic slice 3 It is put into, thus the risk skidded off after in the gap 13 for preventing elastic slice 3 to be embedded between side stage 12 and the outer wall of pedestal 1, safety Stability is higher, more reasonable structure.

Also, fixture block 123 has been provided projectingly on side stage 12 and in the one side in gap 13 to 13 side of gap.Fig. 4 For a kind of structure chart of elastic slice of one preferred embodiment of the utility model.As shown in Figure 1 and Figure 4, two of the fork end 31 of elastic slice 3 Side is arranged in one is long and the other is short, and long a line is disposed in proximity to the side of pedestal 1, and short a line is disposed in proximity to side stage 12 Side, meanwhile, two sides are convexly curved setting, and two sides are to be bent to the direction close to another a line, are formed The point contact structure of elastic slice 3 enables and is inserted between two sides in the wall body of the valve body nut 41 of solenoid valve 4, and by curved The problem of bent two sides generation elastic force is more stable with the contact of valve body nut 41 to guarantee, prevents poor contact, simultaneously Also it can prevent from falling from valve body nut 41, connective stability is higher.In addition, close to one of 12 side of side stage on elastic slice 3 Bayonet 311 is offered on side, and bayonet 311 and fixture block 123 cooperate, so that elastic slice 3 is in the outer wall for being inserted in side stage 12 and pedestal 1 Between gap 13 in after, by the cooperation of bayonet 311 and fixture block 123, and combine above-mentioned strut rail 121 and perpendicular gear 122, guarantee Elastic slice 3 and side stage 12 and 1 shape of pedestal are integral, assemble more convenient, and structure is more stable.

Coaxial thermocouple provided in this embodiment, including pedestal 1, socket 2 and elastic slice 3；By will in a tubular form be arranged Middle part, which protrudes outward, is provided with convex neck 11, and in being arranged radially side stage 12 along pedestal 1 on the edge of convex neck 11, by tubulose Socket 2 is inserted in the hollow interior of pedestal 1, while elastic slice 3 being set in the gap 13 between side stage 12 and the outer wall of pedestal 1, The side for realizing elastic slice 3 is put into, and socket 2 and elastic slice 3 be provided with point contact structure and with the contact pin of solenoid valve 4 42 and valve It is point contact between body nut 41, effectively prevents the problem of tilting when connection, reduce contact resistance, ensure that contact Resistance more conducively assembles, also, the connection between convex neck 11 and pedestal 1 is connected in arc surface, so that the place contacted with hand More meeting human engineering mechanics, comfort is higher, meanwhile, the place of hand contact is the pedestal 1 of plastic material, and elastic slice 3 only contact in the range of side stage 12 with valve body nut 41, and material is more saved, more conducively the popularization and use of product.

Embodiment two:

Fig. 5 is the structure chart of one preferred embodiment another kind pedestal of the utility model.As shown in Figure 1 and Figure 5, convex neck 11 is set It is equipped with the side of side stage 12 and offers a through-hole 111 along the axial direction of pedestal 1, elastic slice 3 is inserted into from through-hole 111, is mentioned The mounting means of another elastic slice 3 has been supplied, that is, has realized the mounting means of the lower section insertion of elastic slice 3, and side stage 12 deviates from Strut rail 121 is provided projectingly into gap 13 on the edge of one end of convex neck 11, so that elastic slice 3 is inserted into side stage from through-hole 111 It can be limited by strut rail 121 after in gap 13 between 12 and the outer wall of pedestal 1, prevent elastic slice 3 from skidding off from gap 13, structure Stability is higher, and the radial direction on side stage 12 along pedestal 1 offers a card hole 124, can be fixation of the subsequent spring on side stage 12 Provide installation foundation, more reasonable structure.

Fig. 6 is the structure chart of one preferred embodiment another kind elastic slice of the utility model.As shown in Fig. 1, Fig. 5 and Fig. 6, bullet Two sides at the fork end 31 of piece 3 are in one is long and the other is short setting, and long a line is disposed in proximity to the side of pedestal 1, and short one Side is disposed in proximity to the side of side stage 12, so that the valve body nut 41 of energy convenient electromagnetic valve 4 in the fork that two sides are formed Wall body insertion, meanwhile, two sides are convexly curved setting, and two sides are to make to close to the bending of the direction of another a line The structure for having elastic force must be formed, valve body nut 41 is fixed, improve the stability of connection, and can by arc into Row guiding, forms point contact structure, prevents the problem of tilting in connection, so that the insertion force of assembling is reduced, it will be former Some face contacts are changed to point contact, ensure that contact resistance, to improve switching performance, avoid the occurrence of asking for poor contact Topic, and plug is also facilitated, the more conducively installation of user, in addition, only head end 32 of elastic slice 3 is out of through-hole 111 along convex neck 11 stretch out away from the direction of side stage 12, are attached, make convenient for the only head end 32 and one of them in positive and negative terminated line of elastic slice 3 It is more convenient to obtain wiring.

In addition, it has been provided projectingly card 312 to 12 side of side stage in a line of 12 side of side stage on elastic slice 3, and The rear and card hole 124 from the gap 13 formed between insertion side stage 12 and the outer wall of pedestal 1 in through-hole 111 in elastic slice 3 of card 312 Cooperation, realize makes the limit of elastic slice 3 on side stage 12 and pedestal 1 by the cooperation of card 312 and card hole 124, so that The structures such as elastic slice 3 and pedestal 1 form an entirety, and convenient for plug, the person of being convenient to use is for the grafting with solenoid valve 4, structure More rationally.

Coaxial thermocouple provided in this embodiment, including pedestal 1, socket 2 and elastic slice 3；By will in a tubular form be arranged Middle part, which protrudes outward, is provided with convex neck 11, and in being arranged radially side stage 12 along pedestal 1 on the edge of convex neck 11, by tubulose Socket 2 is inserted in the hollow interior of pedestal 1, while elastic slice 3 being set in the gap 13 between side stage 12 and the outer wall of pedestal 1, Convex neck 11, which is located at side stage 12, opens up through-hole 111, card hole 124 is arranged on side stage 12, and elastic slice 3 is to be provided with card 312, realizes The lower section insertion of elastic slice 3, and socket 2 and elastic slice 3 be provided with point contact structure and with the contact pin of solenoid valve 4 42 and valve body spiral shell It is point contact between cap 41, effectively prevents the problem of tilting when connection, reduce contact resistance, ensure that contact electricity Resistance, more conducively assembles, also, the connection between convex neck 11 and pedestal 1 is connected in arc surface, so that the place contacted with hand is more Meeting human engineering mechanics, comfort is higher, meanwhile, the place of hand contact is the pedestal 1 of plastic material, and elastic slice 3 It is only contacted in the range of side stage 12 with valve body nut 41, material is more saved, more conducively the popularization and use of product.

The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in It is interior.

Claims

1. a kind of coaxial thermocouple characterized by comprising pedestal, socket and elastic slice, the pedestal are arranged in a tubular form, institute The convex neck for protruding outward in the middle part of pedestal and being provided with an annular is stated, and on the edge of the convex neck side and along the pedestal Axial direction be provided with a side stage, gap is provided between the side stage and the outer wall of the pedestal, meanwhile, the pedestal it is hollow It is inside inserted with the socket, the socket is equally arranged in a tubular form, and the elastic slice is arranged in " Y " font, and the trouble of the elastic slice Mouth end is embedded in the gap between the side stage and the outer wall of the pedestal, and only head end of the elastic slice stretches out in the gap Outer and side setting towards the convex nape from the side stage, meanwhile, the elastic slice and the socket are provided with point contact Structure, and the face of the described one end of convex nape from the side stage is connect with the outer wall of the pedestal in arc surface, and described Only head end of elastic slice and the socket are connect with positive and negative terminated line respectively.

2. coaxial thermocouple according to claim 1, which is characterized in that the socket include slot end and with the slot The terminals for holding connection protrude outward on the outer wall at the slot end and are provided with detent, meanwhile, on the inner wall of Yu Suoshu socket and It is protruded inwardly from the range of the slot end and is provided with point contact, and the cross section of the point contact arc-shaped is set It sets.

3. coaxial thermocouple according to claim 2, which is characterized in that the terminals of the socket with it is described positive and negative One of wiring connection in terminated line.

4. coaxial thermocouple according to claim 3, which is characterized in that side of the side stage away from one end of the convex neck Strut rail and the perpendicular gear vertical with the strut rail are provided projectingly into the gap on, and the perpendicular gear is set to the side On the edge of a side of platform.

5. coaxial thermocouple according to claim 4, which is characterized in that one on the side stage and in the gap Fixture block has been provided projectingly to the gap side on face.

6. coaxial thermocouple according to claim 5, which is characterized in that two sides at the fork end of the elastic slice are long in one One short setting, and long a line is disposed in proximity to the side of the pedestal, short a line is disposed in proximity to the side stage Side, meanwhile, two sides are convexly curved setting, and two sides are to be bent to the direction close to another a line.

7. coaxial thermocouple according to claim 6, which is characterized in that close to the one of the side stage side on the elastic slice Bayonet is offered on side, and the bayonet and the fixture block cooperate.

8. coaxial thermocouple according to claim 3, which is characterized in that the convex neck be provided with the side of the side stage and A through-hole is offered along the axial direction of the pedestal, and the side stage deviates from the edge of one end of the convex neck to the gap Strut rail inside it has been provided projectingly, the radial direction on the side stage along the pedestal offers a card hole.

9. coaxial thermocouple according to claim 8, which is characterized in that two sides at the fork end of the elastic slice are in Setting that one is long and the other is short, and long a line is disposed in proximity to the side of the pedestal, short a line is disposed in proximity to the side The side of platform, meanwhile, two sides are convexly curved setting, and two sides are to be bent to the direction close to another a line, institute Direction of the only head end of elastic slice out of described through-hole along the convex nape from the side stage is stated to stretch out.

10. coaxial thermocouple according to claim 9, which is characterized in that close to the side stage side on the elastic slice It is provided projectingly card to the side stage side in a line, and the card and the card hole cooperate.