Electrochemical gas sensor splicing foot welding tool device

Abstract

The utility model relates to an electrochemical gas sensor splicing foot welding tooling device, which comprises a welding table, a slot, a needle cylinder, a boss, an annular side table and solder paste, the middle of the welding table is provided with a slot or the periphery of the welding table is provided with a plurality of slots for splicing, the needle cylinder is welded in the slot, the needle cylinder is welded and fixed in the slot through the solder paste, and the boss is arranged on the boss. The boss is arranged on the edge of the inserting groove, and the annular side table is arranged on the outer edge of the welding table. By adopting the welding tool device for the splicing pin of the electrochemical gas sensor, the welding success rate and the welding efficiency of the splicing pin and the conductive wire are improved, the welding stability is improved, the shape of the edge of the welding table is diversified, and one or more welding tables can be arranged, so that the welding tool device is suitable for batch welding. The utility model solves the problems of low welding success rate and low welding efficiency of the splicing pin of the electrochemical gas sensor, makes up the market blank, and improves the welding success rate and the welding efficiency of the splicing pin of the electrochemical gas sensor.

Description

Technical Field

[0001] The utility model relates to the fields of medical treatment, petroleum, chemical industry, shipbuilding or coal mining, in particular to the field of electrochemical gas sensors, and specifically refers to a welding tooling device for electrochemical gas sensor pins. Background Art

[0002] As we all know, electrochemical gas sensors are a research product that has attracted much attention in the current research field due to their small size, excellent performance, portability and low price. Electrochemical gas sensors are widely used in important fields and industries such as medical care, petroleum, chemical industry, shipbuilding, coal mining, etc.

[0003] Pins are an important component of electrochemical gas sensors. Conductive wires are connected to the pins to output the current in the electrochemical sensor to the outside. They are the bridge between the electrochemical sensor and the external display device, and are particularly important in electrochemical gas sensors.

[0004] However, due to the small size of the pins and the slender conductive wires, the direct connection between the two is troublesome, inconvenient to operate, and difficult to weld, which seriously affects the welding success rate and welding efficiency. Currently, there are few literatures on the welding of electrochemical gas sensor pins and conductive wires, and there is no literature report on related welding tooling. Therefore, it is urgent to design a tooling that can improve the welding success rate and welding efficiency of the pins. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an electrochemical gas sensor pin welding tooling device which has the advantages of simple structure, high welding success rate and high welding efficiency.

[0006] In order to achieve the above-mentioned purpose, the electrochemical gas sensor pin welding tooling device of the utility model is as follows:

[0007] The electrochemical gas sensor pin welding tooling device has the following main features: the device includes a welding table, a slot, a syringe, a boss, an annular side table and solder paste; the welding table has a slot in the middle or multiple slots around the welding table for splicing; the slot is welded with a syringe, and the syringe is welded and fixed in the slot by solder paste; the boss is arranged at the edge of the slot, and the annular side table is arranged at the outer edge of the welding table.

[0008] Preferably, the welding table is provided with threaded holes, the number of which is at least 2, and screws are fixed to the operating table through the threaded holes.

[0009] Preferably, the device further comprises a limiter, and the limiter is installed above the welding table.

[0010] Preferably, the inner diameter of the boss is consistent with the outer diameter of the syringe, the difference between the outer diameter and the inner diameter of the boss is 2 to 5 mm, and the height of the boss is 1 to 2 cm.

[0011] Preferably, the number of the welding stations is one or more, and the plurality of welding stations can be spliced ​​and connected to form an arrangement of two or more.

[0012] Preferably, the syringe includes spring pieces arranged inside the syringe, and the number of the spring pieces is not less than 3 for the pins to be inserted, contacted and fixed.

[0013] Preferably, the diameter of the slot is not less than the diameter of the pin, and the depth of the slot is not less than the length of the pin.

[0014] Preferably, the inner diameter of the needle barrel is larger than the diameter of the pin, and the depth is 2 / 3 to 4 / 5 of the length of the pin, which is smaller than the depth of the slot.

[0015] Preferably, the welding platform is circular, square or other regular shapes.

[0016] Preferably, the welding table, syringe and spring are made of an alloy composed of any one or more of stainless steel, aluminum, brass, copper, titanium, carbon or nickel.

[0017] Preferably, the welding station is assembled on a conductive electrode or placed separately on an operating table.

[0018] The electrochemical gas sensor pin welding fixture device of the utility model is adopted to improve the welding success rate and welding efficiency of the pins and the conductive wire, improve the welding stability, and the edge shape of the welding table is diverse and can be set single or multiple, which is suitable for batch welding. The utility model solves the problems of low welding success rate and low welding efficiency of the electrochemical gas sensor pins, fills the market gap, and improves the welding success rate and welding efficiency of the electrochemical gas sensor pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the electrochemical gas sensor pin welding tooling device of the utility model.

[0020] Figure 2 for Figure 1 Cross-sectional view at AA in .

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the syringe of the electrochemical gas sensor pin welding tooling device of the utility model.

[0022] Figure 4 The utility model is a schematic diagram of the structure of the welding pins required for the electrochemical gas sensor pin welding tooling device.

[0023] Figure 5 A schematic diagram of the welded pins and conductive wires of the electrochemical gas sensor pin welding tooling device of the present invention.

[0024] Reference numerals:

[0025] 1 welding table

[0026] 2 slots

[0027] 3 Syringes

[0028] 301 Shrapnel

[0029] 4 Boss

[0030] 5 threaded holes

[0031] 6 Circular side platform

[0032] 7 Limit

[0033] 8Solder paste

[0034] 9 Conductive filament

[0035] 10 pins DETAILED DESCRIPTION

[0036] In order to more clearly describe the technical content of the present invention, further description is given below in conjunction with specific embodiments.

[0037] The electrochemical gas sensor pin welding tooling device of the utility model comprises a welding platform 1, a slot 2, a syringe 3, a boss 4, an annular side platform 6 and solder paste 8. The welding platform 1 has a slot 2 in the middle or multiple slots 2 are spliced ​​around the welding platform 1. The slot 2 is welded with a syringe 3, and the syringe 3 is welded and fixed in the slot 2 by solder paste 8. The boss 4 is arranged at the edge of the slot 2, and the annular side platform 6 is arranged at the outer edge of the welding platform 1.

[0038] As a preferred embodiment of the present invention, the welding table 1 is provided with threaded holes 5 , and the number of the threaded holes 5 is at least 2 or more, and screws are fixed to the operating table through the threaded holes 5 .

[0039] As a preferred embodiment of the present utility model, the device further comprises a limiter 7 , and the limiter 7 is installed above the welding table 1 .

[0040] As a preferred embodiment of the present utility model, the inner diameter of the boss 4 is consistent with the outer diameter of the syringe 3, the difference between the outer diameter and the inner diameter of the boss 4 is 2 to 5 mm, and the height of the boss 4 is 1 to 2 cm.

[0041] As a preferred embodiment of the present invention, the number of the welding stations 1 is one or more, and the plurality of welding stations 1 can be spliced ​​and connected to form an arrangement of two or more.

[0042] As a preferred embodiment of the present utility model, the needle barrel 3 includes spring pieces 301, which are arranged inside the needle barrel 3. The number of the spring pieces 301 is not less than 3, for the pins to be inserted, contacted and fixed.

[0043] As a preferred embodiment of the present invention, the diameter of the slot 2 is not less than the diameter of the pin, and the depth of the slot 2 is not less than the length of the pin.

[0044] As a preferred embodiment of the present utility model, the inner diameter of the needle tube 3 is larger than the diameter of the pin, and the depth is 2 / 3 to 4 / 5 of the length of the pin, which is smaller than the depth of the slot 2.

[0045] As a preferred embodiment of the present invention, the welding platform 1 is circular, square or other regular shapes.

[0046] As a preferred embodiment of the present invention, the welding platform 1, the syringe 3, and the spring 301 are made of an alloy composed of any one or more of stainless steel, aluminum, brass, copper, titanium, carbon or nickel.

[0047] As a preferred embodiment of the present invention, the welding table 1 is assembled on a conductive electrode or placed separately on an operating table.

[0048] In a specific implementation manner of the utility model, the welding tool includes a welding platform 1, a slot 2, a syringe 3, a spring piece 301, a boss 4, a threaded hole 5, a side platform 6, a limiter 7 and solder paste 8.

[0049] The welding platform 1, the syringe 3, and the spring piece 301 are made of any one or more alloys of stainless steel, aluminum, brass, copper, titanium, carbon, and nickel.

[0050] The welding table 1 can be circular, square or other regular shapes.

[0051] The welding table 1 can be assembled onto a conductive electrode and equipped with related circuits for welding, or it can be placed on an operating table alone for independent welding.

[0052] The welding table 1 has a slot 2 in the middle or multiple slots 2 around it for splicing.

[0053] The diameter of the slot 2 is not less than the diameter of the pin, and the depth of the slot 2 is not less than the length of the pin.

[0054] A syringe 3 may be welded in the slot 2 , the inner diameter of the syringe 3 being slightly larger than the diameter of the pin, and the depth being approximately 2 / 3 to 4 / 5 of the length of the pin, and slightly smaller than the depth of the slot 2 .

[0055] There is a platform on the top of the puzzle foot and an arc-shaped structure at the bottom of the puzzle foot.

[0056] The needle tube 3 is provided with spring pieces 301, and the number of the spring pieces 301 is not less than 3, for the pins to be inserted, contacted and fixed.

[0057] The syringe 3 is welded and fixed in the slot 2 by solder paste 8, which is convenient for replacement and can effectively extend the service life of the welding tool. The syringe 3 can be well and firmly contacted with the pin, which is convenient for welding.

[0058] The welding table 1 is provided with at least two threaded holes 5 for screws to fix it to the operating table.

[0059] An annular side platform 6 is also provided on the outer edge of the welding platform 1 to further stabilize the relative position of the welding platform 1 .

[0060] The welding station 1 can be one, or a plurality of welding stations 1 can be spliced ​​and connected to form an arrangement of two or more.

[0061] A boss 4 is arranged at the edge of the slot 2, the inner diameter of the boss 4 is consistent with the outer diameter of the syringe 3, the difference between the outer diameter and the inner diameter of the boss 4 is 2-5 mm, and the height of the boss 4 is 1-2 cm. The boss 4 is convenient for placing and taking out the pins.

[0062] One end of the boss 4 is provided with a limiter 7, the limiter height is 2-15 mm, and the welding length and position of the conductive wire can be controlled.

[0063] The operating steps of the utility model are as follows:

[0064] (1) Place the welding table 1 horizontally on the operating table and fix it on the operating table with screws;

[0065] (2) Using a pressure ring or other external device to fix it on the corresponding annular side platform 6 to further stabilize the welding platform 1;

[0066] (3) Use tweezers to insert the pin into the syringe 3 and place it horizontally;

[0067] (4) Place the conductive wire horizontally on the stitching pin;

[0068] (5) Align one end of the conductive wire with the limiter;

[0069] (6) Use solder, energy storage or laser to weld and fix the conductive wire on the pin;

[0070] (7) Use tweezers to remove the stitching pin;

[0071] (8) The welded pin sample is obtained.

[0072] The specific implementation scheme of this embodiment can refer to the relevant description in the above embodiment, which will not be repeated here.

[0073] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0074] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" refers to at least two.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0076] The electrochemical gas sensor pin welding tooling device of the utility model is adopted to improve the welding success rate and welding efficiency of the pins and the conductive wire, improve the welding stability, and the edge shape of the welding table 1 is diverse and can be set single or multiple, which is suitable for batch welding. The utility model solves the problems of low welding success rate and low welding efficiency of the electrochemical gas sensor pins, fills the market gap, and improves the welding success rate and welding efficiency of the electrochemical gas sensor pins.

[0077] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the utility model. Therefore, the description and drawings should be regarded as illustrative rather than restrictive.

Claims

1. An electrochemical gas sensor pin welding tooling device, characterized in that: The device includes a welding table, a slot, a syringe, a boss, an annular side table and solder paste. There is a slot in the middle of the welding table or multiple slots are arranged around the welding table for splicing. The slot is welded with a syringe, and the syringe is welded and fixed in the slot by solder paste. The boss is arranged at the edge of the slot, and the annular side table is arranged at the outer edge of the welding table.

2. The electrochemical gas sensor pin welding tooling device according to claim 1 is characterized in that: The welding table is provided with threaded holes, the number of which is at least 2, and screws are fixed to the operating table through the threaded holes.

3. The electrochemical gas sensor pin welding tooling device according to claim 1 is characterized in that: The device also includes a limiter, which is installed above the welding table.

4. The electrochemical gas sensor pin welding tooling device according to claim 1 is characterized in that: The inner diameter of the boss is consistent with the outer diameter of the syringe, the difference between the outer diameter and the inner diameter of the boss is 2-5 mm, and the height of the boss is 1-2 cm.

5. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The number of the welding stations is one or more, and the multiple welding stations can be spliced ​​and connected into an arrangement of two or more.

6. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The needle barrel comprises spring pieces arranged inside the needle barrel, and the number of the spring pieces is not less than 3, for the pins to be inserted, contacted and fixed.

7. The electrochemical gas sensor pin welding tooling device according to claim 1 is characterized in that: The diameter of the slot is not less than the diameter of the pin, and the depth of the slot is not less than the length of the pin.

8. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The inner diameter of the needle cylinder is larger than the diameter of the pin, and the depth is 2 / 3 to 4 / 5 of the length of the pin, which is smaller than the depth of the slot.

9. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The welding platform is circular, square or other regular shapes.

10. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The welding platform, syringe and shrapnel are made of any one or more alloys of stainless steel, aluminum, brass, copper, titanium, carbon or nickel.

11. The electrochemical gas sensor pin welding tooling device according to claim 1, characterized in that: The welding table is assembled on a conductive electrode or placed separately on an operating table.

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