CN115226346A - Data recorder and assembling method thereof - Google Patents

Abstract

The invention relates to a data recorder and an assembly method thereof.A protection tube is arranged at the front end, so that a Teflon integrated forming line is not easy to damage when being bent; set up elastic component in the top shell, under expend with heat and contract with cold's environment, elastic component exerts steady pressure for under the condition of high low temperature, the sealed power of mat sealing of extrusion is balanced relatively, makes sealed the stable sealed effect that exerts of filling up.

Description

A data recorder and its assembly method

technical field

The present invention relates to the technical field of data recorders, in particular to a data recorder and an assembling method thereof.

Background technique

Existing data loggers generally use Teflon wire (also known as Teflon wire), because Teflon (Teflon) has: non-stick, heat resistance, sliding, moisture resistance, wear resistance Compared with other high temperature wires, Teflon wire has: excellent thermal stability and mechanical wear resistance and electrical insulation properties, strong acid and alkali resistance, corrosion resistance, fire resistance and non-combustibility, high oxygen index, low smoke and halogen free. , No aging, easy to strip, high strength and friction resistance. However, at the same time, the use of Teflon wire also has some defects that need to be overcome. Due to the non-stickiness of Teflon, it cannot be closely combined with stainless steel. Especially in the environment of different temperatures and pressures, various materials expand and contract with heat. It is easier to create gaps, resulting in the leakage of the sealing structure. Teflon wire is generally a consumable material. After the skin is damaged, the liquid can flow in from the metal wire core.

SUMMARY OF THE INVENTION

In view of the above situation, it is necessary to propose a data recorder and a method of assembling the same with improved sealing performance.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is: a data recorder, comprising:

Teflon integrated molding line;

A protective tube, wrapping and sealing the Teflon one-piece molding line;

The top shell is provided with a mounting seat on its top end surface, and a accommodating cavity is arranged inside, the mounting seat is matched with the protection tube, and the Teflon integral molding line extends into the accommodating cavity and has a matching cavity. The seat body adapted to the top shell;

an elastic component, disposed in the accommodating cavity, one end abuts the top of the top case, and the other end abuts the seat body;

a connecting seat, which is sealed and connected to the bottom of the top shell, and a wire hole for the metal wire core of the Teflon integrated molding wire is arranged in the middle part;

a sealing gasket, which is arranged between the seat body and the connecting seat, and the elastic component has a restoring force for abutting the sealing gasket through the seat body;

The middle casing is in sealing connection with the top casing, and has an end surface that is in contact with the sealing gasket.

Further, an installation hole is arranged in the middle shell, a conductor is arranged in the installation hole, an insulating sealing sleeve is arranged between the middle shell and the conductor in the installation hole, and the conductor and the conductor are arranged in the installation hole. The metal wire core is electrically connected; it also includes a bottom shell, the bottom shell is sealed with the middle shell, a sealed cavity is formed in the bottom shell, and the electrical conductor extends into the sealed cavity.

Further, the insulating sealing sleeve has a convex cap abutting against the upper end surface of the middle case, and the electrical conductor has a cap abutting against the convex cap.

Further, the lower end of the insulating sealing sleeve extends beyond the middle shell, and the lower end of the electrical conductor extends beyond the insulating sealing sleeve and is connected with a nut.

Further, the elastic component includes a spring and a spring washer, and the spring washer is placed between the spring and the seat of the Teflon integral molding wire.

Further, both sides of the sealing gasket are provided with at least one ring of convex rings, and both the seat body and the connecting seat are provided with limit grooves adapted to the convex rings.

Further, a side of the seat body facing the connection seat is provided with an insertion hole, the connection seat has a convex tube extending into the insertion hole, and the metal wire core protrudes from the convex tube.

Further, the top shell and the connection seat are connected by screw thread, so that the elastic component always has a restoring force.

Further, an insulating sealing sleeve is arranged between the electrical conductor and the middle shell, the insulating sealing sleeve has a convex cap abutting against the upper end surface of the middle shell, and the electrical conductor has a convex cap abutting against the middle shell cap.

Further, the lower end of the insulating sealing sleeve extends beyond the middle shell, and the lower end of the electrical conductor extends beyond the insulating sealing sleeve and is connected with a nut.

Further, the protection tube and the top shell are welded into one body, the top shell and the connecting seat are welded and sealed, the connecting seat and the middle shell are welded and sealed, and the middle shell and the bottom shell are welded. seal.

The present invention also provides a method for assembling a data recorder, including the above-mentioned data recorder, and comprising the following steps:

Step 1: Heat-melt the Teflon one-piece molding wire into one, and peel off the metal wire core at the end of the wire;

Step 2: Weld the Teflon wire protection tube and the top shell together;

Step 3: Pass the Teflon one-piece molding line through the spring gasket and then through the middle of the spring, and put it into the receiving cavity of the top shell; then put the gasket on the bottom of the Teflon one-piece molding line; The shell thread is tightened and fixed, and the connection between the connecting seat and the top shell is welded and sealed;

Step 4: Apply sealant to the inner and outer threads of the insulating sealing sleeve, screw it into the middle shell, then screw the conductor in, and let the glue solidify in the air;

Step 5: Solder the metal wire core stripped in Step 1 to the conductor;

Step 6: Weld and seal the connection seat and the middle shell; then weld and seal the middle shell and bottom shell.

The beneficial effects of the present invention are: a protective tube is arranged at the front end, so that the Teflon integrated molding line is not easily damaged during bending; an elastic component is arranged in the top shell, and under the environment of thermal expansion and contraction, the elastic component exerts a stable force The pressure makes the force of squeezing the gasket relatively balanced in the case of high and low temperature, so that the gasket can stably play a sealing role. And the accommodating cavity formed in the top case can accommodate a part of the liquid.

Description of drawings

1 is a schematic cross-sectional structure diagram of a data recorder and an assembling method thereof according to an embodiment of the present invention;

2 is a schematic diagram of the external structure of a data recorder and an assembling method thereof according to an embodiment of the present invention;

3 is a schematic structural diagram of a protection tube of a data recorder and an assembling method thereof according to an embodiment of the present invention;

4 is a schematic structural diagram of a top case of a data recorder and an assembling method thereof according to an embodiment of the present invention;

5 is a schematic cross-sectional structure diagram of a connection seat of a data recorder and an assembling method thereof according to an embodiment of the present invention;

6 is a schematic structural diagram of a connection seat of a data recorder and an assembling method thereof according to an embodiment of the present invention;

7 is a schematic structural diagram of a sealing gasket of a data recorder and an assembling method thereof according to an embodiment of the present invention;

8 is a schematic structural diagram of a middle case of a data recorder and an assembling method thereof according to an embodiment of the present invention;

9 is a schematic cross-sectional structure diagram of an insulating sealing sleeve of a data recorder and an assembling method thereof according to an embodiment of the present invention;

10 is a schematic diagram of the primary protection of a data recorder and an assembling method thereof according to an embodiment of the present invention;

11 is a schematic diagram of secondary protection of a data recorder and an assembling method thereof according to an embodiment of the present invention.

Label description:

100, Teflon one-piece molding line; 110, metal core; 120, seat body; 121, jack;

200, protective tube; 210, connecting part; 220, socket part; 300, top shell; 310, mounting seat;

320, a first threaded portion; 400, an elastic component; 410, a spring; 420, a spring washer;

500, connecting seat; 510, wire hole; 520, convex pipe; 530, second thread part;

540, the first nesting part; 550, the limit groove; 600, the sealing gasket; 610, the convex ring; 700, the middle shell;

710, the second nesting part; 720, the convex body; 730, the mounting hole; 810, the conductor; 811, the cap;

820, insulating sealing sleeve; 821, convex cap; 830, nut; 900, bottom shell; 910, sealing cavity;

10. Welding place; 20. Water inlet simulation path for primary protection; 30. Water inlet simulation path for secondary protection.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, a data recorder and an assembling method thereof of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Please refer to Fig. 1-Fig. 11, a data recorder, including:

Teflon integrated molding line 100;

The protective tube 200 wraps and seals the Teflon integral molding line 100;

The top shell 300 is provided with a mounting seat 310 on its top end face, and a accommodating cavity inside the top shell 300 . an adapted seat body 120;

The elastic component 400 is arranged in the accommodating cavity, one end abuts the top of the top case 300, and the other end abuts the seat body 120;

The connection seat 500 is sealed and connected to the bottom of the top case 300, and a wire hole 510 is provided in the middle part for the metal wire core 110 of the Teflon integrated molding wire 100 to extend into;

The sealing gasket 600 is disposed between the seat body 120 and the connecting seat 500, and the elastic component 400 has a restoring force for abutting the sealing gasket 600 through the seat body 120;

The middle case 700 is in sealing connection with the top case 300 and has an end surface which is in contact with the sealing gasket.

The protective tube 200 is provided at the front end, so that the Teflon integrated molding line 100 is not easily damaged during bending; the elastic component 400 is arranged in the top shell 300, and the elastic component 400 exerts a stable pressure under the environment of thermal expansion and contraction , so that in the case of high and low temperature, the force of pressing the sealing gasket 600 is relatively balanced, so that the sealing gasket 600 can stably play a sealing role. And the accommodating cavity formed in the top case 300 can accommodate a part of the liquid.

1 , 8 and 11 , a mounting hole 730 is provided in the middle case 700 , a conductor 810 is provided in the mounting hole 730 , and an insulating sealing sleeve 820 is provided between the middle case 700 and the conductor 810 in the mounting hole 730 , the conductor 810 is electrically connected to the metal wire core 110 ; it also includes a bottom case 922 , the bottom case 900 is sealed with the middle case 700 , and a sealed cavity 910 is formed inside the bottom case 910 , and the conductor 810 extends into the sealed cavity 910 . A middle case 700 and a bottom case 900 are arranged under the connection seat 500 for secondary protection. Even if the Teflon integral molding wire 100 is damaged and the liquid enters from the metal wire core 110, it will be blocked by the insulating sealing sleeve 820 and the bottom case 900. The sealing cavity is blocked and the sealing performance is improved. That is, through the sealing structure of the present invention, the disadvantages caused by thermal expansion and cold contraction can be overcome, the environmental adaptability is strong, and the sealing performance is greatly improved through the secondary sealing.

Referring to FIG. 1 , the insulating sealing sleeve 820 has a convex cap 821 abutting against the upper end surface of the middle case 700 , and the conductor 810 has a cap 811 abutting against the convex cap 821 . The arrangement of the convex cap 821 and the cap 811 can ensure a stable position of the conductor 810 and prevent the conductor 810 from slipping out of the insulating sealing sleeve 820 during long-term use. In particular, the insulating sealing sleeve 820 is glued and connected to the middle case 700 and the conductor 810 respectively.

Referring to FIG. 1 , the lower end of the insulating sealing sleeve 820 extends beyond the middle shell 700 , and the lower end of the conductor 810 extends beyond the insulating sealing sleeve 820 and is connected with a nut 830 . Nuts 830 are provided, and the upper and lower ends of the conductor 810 are restricted, so as to ensure the stability of the position of the conductor 810 and improve safety. It can be understood that the insulating sealing sleeve 820 can be made of insulating materials such as plastic or rubber as required. In addition, the nut 830 can increase the surface area, which is beneficial to the welding connection below.

1, 8 and 9, the conductor 810 has an external thread, the insulating sealing sleeve 820 has an internal thread and an external thread, the mounting hole 730 of the middle case 700 has an internal thread, the conductor 810 and the insulating sealing sleeve 820 screw connection, the middle shell 700 and the insulating sealing sleeve 820 screw connection. Glue is injected between the conductor 810 and the insulating sealing sleeve 820 and between the insulating sealing sleeve 820 and the middle shell 700 to form a sealant layer.

Referring to FIG. 1 , the elastic component 400 includes a spring 410 and a spring washer 420 , and the spring washer 420 is placed between the spring 410 and the seat body 120 of the Teflon integral molding wire 100 . The spring 410 abuts against the spring washer 420, so that the seat body 120 and the sealing gasket 600 can be stressed better and more uniformly, so that the sealing gasket 600 can better exert the sealing performance when it is deformed.

Referring to FIGS. 1 , 5 and 7 , both sides of the gasket 600 are provided with at least one ring of convex rings 610 . Squeezing the convex ring 610 can make the sealing gasket 600 deform better, and the position is limited by the cooperation of the convex ring 610 and the limiting groove 550, so as to prevent the sealing gasket 600 from shifting and ensure the sealing performance. It can be understood that when more than one ring of convex rings 610 is provided, the concentric rings 610 have different diameters, and the widths can be set as required, and the limiting grooves 550 are adapted to the convex rings 610 .

1 and 5 , the socket 121 is provided on the side of the base body 120 facing the connecting socket 500 . The insertion hole 121 and the protruding tube 520 are arranged so that the protruding tube 520 and the insertion hole 121 are nested and matched, which can ensure the position of the seat body 120 and prevent the seat body 120 from shifting.

Referring to FIG. 1 and FIG. 5 , the top case 300 and the connecting base 500 are screwed together, so that the elastic component 400 always has a restoring force. The threaded connection can conveniently adjust the compression stroke of the elastic component 400, thereby adjusting the restoring force of the elastic component 400, so that the sealing gasket 600 can receive the required constant pressure.

Referring to FIG. 10 , the protection tube 200 and the top case 300 are welded into one body. Easy to assemble and easy to process.

Referring to FIG. 10 , the top case 300 and the connecting seat 500 are welded and sealed, the connecting seat 500 and the middle case 700 are welded and sealed, and the middle case 700 and the bottom case 900 are welded and sealed. Welded sealing not only has strong stability, but also the sealing performance can be guaranteed. It can be understood that, referring to FIG. 10 , the welding part 10 is welded in a whole circle, so as to form a seal.

In particular, please refer to FIG. 1 and FIG. 3 , the protection tube 200 includes an integrally formed connecting portion 210 and a socket portion 220 ; the connecting portion 210 wraps the Teflon one-piece molding wire 100 and has an interference fit with the Teflon one-piece molding wire 100 Preferably, the opening of the connecting portion 210 has an open chamfer to avoid scratching the Teflon integral molding line 100 and facilitate assembly; the outer peripheral wall of the connecting portion 210 is provided with threads for connecting other external components ; The socket part 220 is used for socket connection with the mounting seat 310 , and the socket part 220 can be matched with the Teflon one-piece molding line 100 to facilitate the assembly of the Teflon one-piece molding line 100 .

In particular, please refer to FIG. 1 , FIG. 5 and FIG. 8 , the bottom of the top case 300 is provided with a first threaded portion 320 , and the connecting seat 500 further includes a second threaded portion threadedly engaged with the first threaded portion 320 of the top case 300 . 530. For the first nesting portion 540 matched with the middle shell 700, a sufficient welding space is reserved between the connecting seat 500 and the middle shell 700 to facilitate the welding of the metal wire core 110 and the conductor 810. The middle case 700 includes a second nesting portion 710 that is nested with the first nesting portion 540, and a convex body 720 that is welded with the bottom case 900. Generally, the second nesting portion 710 is nested in the first nesting portion. In 540 , the convex body 720 is slightly convex toward the sealing cavity 910 , and the stepped end surface formed by the convex body 720 is welded and sealed with the bottom case 900 .

The gasket 600 can be made of flexible and deformable materials, such as rubber, silicone, etc., as required. The protection tube 200 , the top case 300 , the middle case 700 , the connection base 500 , the bottom case 900 and the like can all be made of metal materials, such as stainless steel. The outer skin of the Teflon integrated molding line 100 is generally selected from Teflon PTFE, Teflon FEP, Teflon PFA, Teflon ETFE; the metal core 110 is made of suitable metals or alloys according to needs, such as aluminum, copper , silver and its alloys.

The data recorder of the present invention has a secondary seal. For details, please refer to FIG. 10 and FIG. 11 :

The primary seal, please refer to FIG. 10 , the Teflon integral molding line 100 is not damaged, and the possible entry direction of the liquid, that is, the primary protection water inlet simulation path 20 is: from the protection tube 200 and the Teflon integral molding line 100. Gap - the gap between the top shell 300 and the Teflon integrated molding line 100 - the receiving cavity - the gap between the seat body 120 and the top shell 300 - the sealing gasket 600; it is necessary to pass the above sealing protection layer by layer, and there is a gasket 600 as an important barrier; and the accommodating cavity can also store a certain amount of liquid.

The secondary seal, please refer to FIG. 11 , the Teflon integral molding line 100 is damaged, and the possible entry direction of the liquid, that is, the secondary protection water ingress simulation path 30 is: the metal wire core 110 integrally formed from the Teflon - the connection seat 500 The wire hole 510-the gap between the insulating sealing sleeve 820 and the middle case 700/conductor 810-the sealing cavity 910 of the bottom case 900; even if the Teflon integral molding wire 100 is damaged, the liquid enters from the metal wire core 110, and will be The middle case 700 and the bottom case 900 block.

The present invention also provides a method for assembling a data recorder, including the above-mentioned data recorder, and comprising the following steps:

Step 1: Heat-melt the Teflon integrated forming wire 100 into one, and strip the metal wire core 110 from the end of the wire;

Step 2: Weld the Teflon wire protection tube 200 and the top shell 300 into one body;

Step 3: Pass the Teflon one-piece molding line 100 through the spring washer 420 and then through the middle of the spring 410, and put it into the accommodating cavity of the top shell 300; then put the sealing gasket 600 on the bottom of the Teflon one-piece molding line 100 ( on the base body 120); finally, the connecting base 500 and the top shell 300 are screwed and fixed, and the connection between the connecting base 500 and the top shell 300 is welded and sealed;

Step 4: Apply sealant on the inner and outer threads of the insulating sealing sleeve 820, screw it into the middle shell 700, then screw the conductor 810 in, and let the glue solidify in the air;

Step 5: Solder the metal wire core 110 stripped in Step 1 to the conductor 810;

Step 6: The connection seat 500 and the middle case 700 are connected and sealed by welding; then the middle case 700 and the bottom case 900 are welded and sealed.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

To sum up, the present invention provides a data recorder and an assembling method thereof. A protective tube is arranged at the front end so that the Teflon integral molding line is not easily damaged during bending; an elastic component is arranged in the top shell, Under the environment of thermal expansion and cold contraction, the elastic component exerts a stable pressure, so that in the case of high and low temperature, the force of squeezing the gasket is relatively balanced, so that the gasket can stably play a sealing role; under the connecting seat, a middle shell and The bottom case carries out secondary protection to improve the sealing performance. That is, through the sealing structure of the present invention, the disadvantages caused by thermal expansion and cold contraction can be overcome, the environmental adaptability is strong, and the sealing performance is greatly improved through the secondary sealing.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. The technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications by using the technical content disclosed above to be equivalent examples of equivalent changes, but if they do not depart from the technical solution content of the present invention, according to the present invention Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. a data recorder, is characterized in that, comprises: Teflon integrated molding line; The protection tube is provided with a perforation for the Teflon integral molding wire to penetrate; The top shell is provided with a mounting seat on its top end surface, and a accommodating cavity is arranged inside, the mounting seat is matched with the protection tube, and the Teflon integral molding line extends into the accommodating cavity and has a matching cavity. The seat body adapted to the top shell; an elastic component, disposed in the accommodating cavity, one end abuts the top of the top case, and the other end abuts the seat body; a connecting seat, which is sealed and connected to the bottom of the top shell, and a wire hole for the metal wire core of the Teflon integrated molding wire is arranged in the middle part; a sealing gasket, which is arranged between the seat body and the connecting seat, and the elastic component has a restoring force for abutting the sealing gasket through the seat body; The middle casing is in sealing connection with the top casing, and has an end surface that is in contact with the sealing gasket. 2 . The data recorder according to claim 1 , wherein an installation hole is provided in the middle case, a conductor is arranged in the installation hole, and the middle case and the conductive body are arranged in the installation hole. 3 . An insulating sealing sleeve is arranged between the bodies, and the conductor is electrically connected to the metal wire core; it also includes a bottom case, which is sealed and connected to the middle case, and a sealed cavity is formed inside the conductive body. The body extends into the sealed cavity. 3 . The data recorder according to claim 2 , wherein the insulating sealing sleeve has a convex cap abutting against the upper end face of the middle case, and the conductor has a convex cap abutting against the convex cap. 4 . cap. 4 . The data recorder according to claim 3 , wherein the lower end of the insulating sealing sleeve extends beyond the middle case, and the lower end of the conductor extends beyond the insulating sealing sleeve and is connected with a nut. 5 . 5 . The data recorder according to claim 1 , wherein the elastic component comprises a spring and a spring washer, and the spring washer is placed between the spring and the Teflon integral molding line. 6 . between the seats. 6 . The data recorder according to claim 1 , wherein at least one ring of convex rings is provided on both sides of the sealing gasket, and both the base body and the connecting base are provided with the convex ring. 7 . Limit grooves that fit the ring. 7 . The data recorder according to claim 1 , wherein a side of the base body facing the connection base is provided with an insertion hole, and the connection base has a convex tube extending into the insertion hole. 8 . , the metal wire core protrudes from the protruding tube. 8 . The data recorder according to claim 1 , wherein the top shell and the connecting seat are connected by screw threads, so that the elastic component always has a restoring force. 9 . 9 . The data recorder according to claim 2 , wherein the protection tube and the top case are welded into one piece, the top case and the connecting seat are welded and sealed, and the connecting seat and the The middle shell is welded and sealed, and the middle shell is welded and sealed with the bottom shell. 10. A method of assembling a data recorder, comprising the data recorder according to any one of claims 1-9, and comprising the steps of: Step 1: Heat-melt the Teflon one-piece molding wire into one, and peel off the metal wire core at the end of the wire; Step 2: Weld the Teflon wire protection tube and the top shell together; Step 3: Pass the Teflon one-piece molding line through the spring gasket and then through the middle of the spring, and put it into the receiving cavity of the top shell; then put the gasket on the bottom of the Teflon one-piece molding line; The shell thread is tightened and fixed, and the connection between the connecting seat and the top shell is welded and sealed; Step 4: Apply sealant to the inner and outer threads of the insulating sealing sleeve, screw it into the middle shell, then screw the conductor in, and let the glue solidify in the air; Step 5: Solder the metal wire core stripped in Step 1 to the conductor; Step 6: Weld and seal the connection seat and the middle shell; then weld and seal the middle shell and bottom shell.

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