阅读说明：本技术 一种新型仪表测温元件的焊缝保护结构 (Novel welding seam protection structure of instrument temperature measurement element ) 是由 贺军成 于 2020-10-27 设计创作，主要内容包括：本发明公开了一种新型仪表测温元件的焊缝保护结构,包括测温元件,所述测温元件的中间位置设置有中心保护管,所述测温元件的外表面且位于中心保护管的一侧设置有第一外侧保护管,所述测温元件的外表面且位于中心保护管的另一侧设置有第二外侧保护管,所述第一外侧保护管的外表面与中心保护管的外表面之间螺纹连接有第一外螺纹管。本发明,通过设置的密封套、第一外螺纹管与第二外螺纹管等结构配合,可以对焊缝处进行有效的保护,通过第一外螺纹管与第二外螺纹管可用来保护第一外侧保护管、第二外侧保护管以及中心保护管,避免第一外侧保护管、第二外侧保护管与中心保护管损坏不易更换的问题。(The invention discloses a novel welding seam protection structure of an instrument temperature measuring element, which comprises the temperature measuring element, wherein a central protection tube is arranged at the middle position of the temperature measuring element, a first outer side protection tube is arranged on one side, located on the central protection tube, of the outer surface of the temperature measuring element, a second outer side protection tube is arranged on the other side, located on the central protection tube, of the outer surface of the temperature measuring element, and a first outer threaded tube is in threaded connection between the outer surface of the first outer side protection tube and the outer surface of the central protection tube. According to the invention, the sealing sleeve, the first external thread pipe, the second external thread pipe and the like are arranged to be matched, so that the weld joint can be effectively protected, the first external thread pipe and the second external thread pipe can be used for protecting the first outer protection pipe, the second outer protection pipe and the central protection pipe, and the problem that the first outer protection pipe, the second outer protection pipe and the central protection pipe are damaged and are not easy to replace is avoided.)

1. The utility model provides a novel instrument temperature element's welding seam protection architecture, includes temperature element (1), its characterized in that: a central protection tube (2) is arranged in the middle of the temperature measuring element (1), a first outer protection tube (3) is arranged on the outer surface of the temperature measuring element (1) and on one side of the central protection tube (2), a second outer side protection tube (4) is arranged on the outer surface of the temperature measuring element (1) and on the other side of the central protection tube (2), a first external thread pipe (6) is connected between the outer surface of the first outer side protection pipe (3) and the outer surface of the central protection pipe (2) in a threaded manner, a second external thread pipe (7) is connected between the outer surface of the second external protection pipe (4) and the outer surface of the central protection pipe (2) in a threaded manner, both ends position of temperature element (1) all is provided with tip coupling assembling (9), two tip coupling assembling (9) are respectively with the surface threaded connection of first outside protection tube (3) and second outside protection tube (4).

2. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: the both ends position of center protection tube (2) all with the surface weld of temperature element (1), the middle inner wall of center protection tube (2) closely laminates with the surface of temperature element (1), the one end that first outside protection tube (3) and second outside protection tube (4) are close to center protection tube (2) all with the surface weld of temperature element (1).

3. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: the two ends of the center protection tube (2) and one end, close to the center protection tube (2), of the first outer side protection tube (3) and the second outer side protection tube (4) are all subjected to diameter changing treatment, and the diameter changing positions of the center protection tube (2) and the first outer side protection tube (3) and the diameter changing positions of the center protection tube (2) and the second outer side protection tube (4) are all sleeved with a sealing sleeve (5).

4. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: end connection subassembly (9) are including thin loop bar (91), the lateral wall fixedly connected with toper cover (92) of thin loop bar (91), thin loop bar (91) and toper cover (92) are all closely laminated at the surface of temperature element (1), one side fixedly connected with threaded connection piece (93) of thin loop bar (91) are kept away from in toper cover (92).

5. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: the surface cover of center protection tube (2) is equipped with first rubber packing ring (8), first rubber packing ring (8) are located the centre of first external screw pipe (6) and second external screw pipe (7), the tip of first external screw pipe (6) and second external screw pipe (7) all offsets with first rubber packing ring (8).

6. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: the surface of first outside protection tube (3) and second outside protection tube (4) all overlaps and is equipped with second rubber packing ring (10), one of them second rubber packing ring (10) are located the centre that corresponds end connection subassembly (9) and first external thread pipe (6), and wherein another second rubber packing ring (10) are located the centre that corresponds end connection subassembly (9) and second external thread pipe (7).

7. The novel welding seam protection structure of the instrument temperature measuring element according to claim 1, characterized in that: a plurality of lightening holes (11) are formed in the central protection tube (2), and a plurality of reinforcing straight rods (12) are fixedly connected to the inner walls of the lightening holes (11).

Technical Field

The invention relates to the technical field of temperature measuring elements, in particular to a novel welding line protection structure of an instrument temperature measuring element.

Background

The temperature measuring element is a detecting element of a temperature measuring instrument, such as a thermocouple, a thermal resistor, a thermistor and the like, and the temperature measured by the contact type temperature measuring instrument is determined by the temperature sensed by the temperature measuring element, so that whether the temperature measuring element can be correctly installed or not is an important practical problem after the temperature measuring element which is economical and reasonable and can meet the requirements of required precision and the like for production and a secondary instrument are selected, and if the instrument is not installed according to the requirements, the measurement is inaccurate, and even the production is influenced.

The welding seam protection of temperature element has extensive application in the industry for protect the sensor to inserting in the pipeline, not only make the sensing welding seam not receive destruction at the transportation, and enable the sensor and bear the medium impact of operating condition, make the welding seam not receive destruction, however, current many welding seam protection architecture is too simple, receive when great impact frequently, the welding department still receives the damage easily, in case the condition of damage appears, probably lead to whole temperature element to need to be changed, use cost has been increased.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a novel welding seam protection structure of a temperature measuring element of an instrument.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a novel instrument temperature element's welding seam protection architecture, includes temperature element, temperature element's intermediate position is provided with central protection tube, one side that temperature element's surface and lie in central protection tube is provided with first outside protection tube, temperature element's surface and the opposite side that lies in central protection tube are provided with second outside protection tube, threaded connection has first external screw thread pipe between the surface of first outside protection tube and the surface of central protection tube, threaded connection has the second external screw thread pipe between the surface of second outside protection tube and the surface of central protection tube, temperature element's both ends position all is provided with tip coupling assembling, two tip coupling assembling respectively with the surface threaded connection of first outside protection tube and second outside protection tube.

As a further description of the above technical solution:

the two ends of the central protection tube are welded with the outer surface of the temperature measuring element, the middle inner wall of the central protection tube is tightly attached to the outer surface of the temperature measuring element, and the ends, close to the central protection tube, of the first outer side protection tube and the second outer side protection tube are welded with the outer surface of the temperature measuring element.

As a further description of the above technical solution:

the two ends of the center protection tube and one ends, close to the center protection tube, of the first outer side protection tube and the second outer side protection tube are all subjected to reducing treatment, and seal sleeves are sleeved at the reducing positions of the center protection tube and the first outer side protection tube and the reducing positions of the center protection tube and the second outer side protection tube.

As a further description of the above technical solution:

the end connecting assembly comprises a thin loop bar, the side wall of the thin loop bar is fixedly connected with a conical sleeve, the thin loop bar and the conical sleeve are tightly attached to the outer surface of the temperature measuring element, and one side of the conical sleeve, far away from the thin loop bar, is fixedly connected with a threaded connecting block.

As a further description of the above technical solution:

the surface cover of center protection tube is equipped with first rubber packing ring, first rubber packing ring is located the centre of first external screw thread pipe and second external screw thread pipe, the tip of first external screw thread pipe and second external screw thread pipe all offsets with first rubber packing ring.

As a further description of the above technical solution:

the surface of first outside protection tube and second outside protection tube all overlaps and is equipped with second rubber packing ring, one of them the second rubber packing ring is located the centre that corresponds tip coupling assembling and first external thread pipe, and wherein another the second rubber packing ring is located the centre that corresponds tip coupling assembling and second external thread pipe.

As a further description of the above technical solution:

a plurality of lightening holes are formed in the central protection tube, and reinforcing straight rods are fixedly connected to the inner walls of the lightening holes.

The invention has the following beneficial effects:

1. compared with the prior art, this novel instrument temperature element's welding seam protection architecture, seal cover, first external screw thread pipe and the outer screwed pipe isotructure cooperation that sets up through, can carry out effectual protection to welding seam department, can be used for protecting first outside protection tube, second outside protection tube and central protection tube through first external screw thread pipe and the outer screwed pipe of second, avoid first outside protection tube, second outside protection tube and the difficult problem of changing of central protection tube damage.

2. Compared with the prior art, this novel instrument temperature element's welding seam protection architecture can restrict the not hard up of first external screw thread pipe and second external screw thread pipe through the tip coupling assembling who sets up, also can be used for protecting the tip of first outside protection tube and second outside protection tube, and simultaneously, convenient the change when first external screw thread pipe damages with the second external screw thread pipe, whole temperature element of change.

3. Compared with the prior art, this novel instrument temperature element's welding seam protection architecture has alleviateed the weight of center protection tube through set up the lightening hole in center protection tube inside, has saved manufacturing material, through set up the strengthening rod at the lightening hole inner wall, has also guaranteed the compressive strength of center protection tube simultaneously.

Drawings

FIG. 1 is a front view of a weld protection structure of a novel instrument temperature measurement element according to the present invention;

FIG. 2 is a cross-sectional view of a weld protection structure of a novel instrument temperature measurement element according to the present invention;

FIG. 3 is a schematic view of an end connection assembly of a weld protection structure of a novel instrument temperature measurement element according to the present invention;

FIG. 4 is a cross-sectional view of a central protection tube of a weld protection structure of a novel instrument temperature measurement element according to the present invention;

FIG. 5 is a sectional view of an end connection assembly of a weld protection structure of a novel instrument temperature measurement element according to the present invention.

Illustration of the drawings:

1. a temperature measuring element; 2. a central protection tube; 3. a first outer protective tube; 4. a second outer protective tube; 5. sealing sleeves; 6. a first externally threaded tube; 7. a second externally threaded pipe; 8. a first rubber gasket; 9. an end connection assembly; 10. a second rubber gasket; 11. lightening holes; 12. a reinforcing straight rod; 91. a thin loop bar; 92. a conical sleeve; 93. and (4) connecting the threaded connection blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the invention provides a novel welding seam protection structure of an instrument temperature measurement element, which comprises: including temperature element 1, temperature element 1's intermediate position is provided with central protection tube 2, temperature element 1's surface and the one side that is located central protection tube 2 are provided with first outside protection tube 3, temperature element 1's surface and the opposite side that is located central protection tube 2 are provided with second outside protection tube 4, threaded connection has first external screw pipe 6 between the surface of first outside protection tube 3 and the surface of central protection tube 2, threaded connection has second external screw pipe 7 between the surface of second outside protection tube 4 and the surface of central protection tube 2, temperature element 1's both ends position all is provided with tip coupling assembling 9, two tip coupling assembling 9 respectively with the surface threaded connection of first outside protection tube 3 and second outside protection tube 4.

The both ends position of center protection tube 2 all with temperature element 1's surface welding, the middle inner wall of center protection tube 2 closely laminates with temperature element 1's surface, the one end that first outside protection tube 3 and second outside protection tube 4 are close to center protection tube 2 all with temperature element 1's surface welding, the reducing is all done with the one end that first outside protection tube 3 and second outside protection tube 4 are close to center protection tube 2 in the both ends of center protection tube 2, the reducing department of center protection tube 2 and first outside protection tube 3, the reducing department of center protection tube 2 and second outside protection tube 4 all overlaps and is equipped with seal cover 5, seal cover 5 can be used for protecting the welding seam.

End connection subassembly 9 includes thin loop bar 91, the lateral wall fixedly connected with toper cover 92 of thin loop bar 91, thin loop bar 91 all closely laminates at temperature element 1's surface with toper cover 92, one side fixedly connected with threaded connection block 93 of thin loop bar 91 is kept away from to toper cover 92, threaded connection block 93 is connected with first outside protection tube 3 or second outside protection tube 4, first outside protection tube 3 all overlaps with the surface of second outside protection tube 4 and is equipped with second rubber packing ring 10, one of them second rubber packing ring 10 is located the centre that corresponds end connection subassembly 9 and first external screw thread pipe 6, wherein another second rubber packing ring 10 is located the centre that corresponds end connection subassembly 9 and second external screw thread pipe 7.

The surface cover of center protection pipe 2 is equipped with first rubber packing ring 8, and first rubber packing ring 8 is located the centre of first external screw pipe 6 and second external screw pipe 7, and first external screw pipe 6 all offsets with first rubber packing ring 8 with the tip of second external screw pipe 7, and first rubber packing ring 8 of setting is used for guaranteeing that first external screw pipe 6 is close to sealed of one end with second external screw pipe 7.

A plurality of lightening holes 11 are formed in the central protection tube 2, the inner walls of the lightening holes 11 are fixedly connected with reinforcing straight rods 12, firstly, the lightening holes 11 are formed in the central protection tube 2, the weight of the central protection tube 2 is reduced, manufacturing materials are saved, then the reinforcing straight rods 12 are arranged on the inner walls of the lightening holes 11, and meanwhile, the compressive strength of the central protection tube 2 is guaranteed.

The working principle is as follows: when in use, firstly, the central protection tube 2 is sleeved at the middle position of the outer surface of the temperature measuring element 1, two ends of the central protection tube 2 are welded on the temperature measuring element 1, then the first outer side protection tube 3 and the second outer side protection tube 4 are sleeved on the outer surface of the central protection tube 2, the first outer side protection tube 3 and the second outer side protection tube 4 are also welded on the temperature measuring element 1, then the reducing parts of the central protection tube 2 and the first outer side protection tube 3 and the reducing parts of the central protection tube 2 and the second outer side protection tube 4 are all sleeved with the sealing sleeve 5 to protect the welding seams thereof, then the first outer threaded tube 6 and the second outer threaded tube 7 are installed in a threaded manner, the first outer threaded tube 6 and the second outer threaded tube 7 are used for protecting the first outer side protection tube 3, the second outer side protection tube 4 and the central protection tube 2, and the sealing of the end position is ensured by the arranged first rubber gasket 8 and the second rubber gasket, the looseness of the first external threaded pipe 6 and the second external threaded pipe 7 can be limited through the arranged end part connecting assembly 9, the end parts of the first outer side protection pipe 3 and the second outer side protection pipe 4 can also be protected, the weight of the center protection pipe 2 is reduced by arranging lightening holes 11 in the center protection pipe 2, manufacturing materials are saved, then, reinforcing straight rods 12 are arranged on the inner wall of the lightening holes 11, and meanwhile, the compression strength of the center protection pipe 2 is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.