CN213874860U

CN213874860U - Device that metal pipe helium detected

Info

Publication number: CN213874860U
Application number: CN202022467994.1U
Authority: CN
Inventors: 赵晓懿; 凌海青; 马龙; 陈升楼; 徐炜元; 朱威; 孙佳
Original assignee: Ocean Fluid Technology Shanghai Co ltd
Current assignee: Ocean Fluid Technology Shanghai Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-03
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a technical field is examined to vacuum helium, discloses a device that metal pipe helium examined and detected, comprising a base plate, fixed surface is provided with the guide rail on the bottom plate, the left and right sides all is provided with the slider in the guide rail, and is two sets of the slider top is the fixed extension board that is provided with all, and is two sets of the top is fixed siphunculus an and siphunculus b respectively in the extension board, siphunculus an and the siphunculus b outside communicate respectively and are provided with helium and examine appearance and vacuum pump. The utility model discloses a be provided with a screw rod and a screw thread section of thick bamboo, the accessible anticlockwise rotation screw thread section of thick bamboo, the screw thread section of thick bamboo drives the screw rod and moves in opposite directions, and the screw rod drives two sets of extension boards and moves in opposite directions, and the extension board drives two sets of positioning disk extrusion and waits to detect tubular metal resonator both ends face, but this mode one-hand holding tubular metal resonator, and the one-hand screw thread section of thick bamboo of twisting, one-man operation can, need not other people's auxiliary operation, and the while is driven two sets of screw rods by the screw thread section of thick bamboo and moves opposite directions, promotes tubular metal resonator location and dismantlement efficiency.

Description

Device that metal pipe helium detected

Technical Field

The utility model relates to a technical field is examined to the vacuum helium, specifically is a device that metal pipe helium detected.

Background

The metal tube has high sealing requirement, so helium detection and leakage detection are generally carried out before delivery or use, the most common leakage detection method at present is a vacuum box type helium detection test, namely, helium with certain pressure is filled into a workpiece to be detected after the workpiece to be detected is evacuated, a vacuum box with certain vacuum degree requirement is arranged outside the workpiece to be detected, and the vacuum box is connected with a leakage detection port of a helium mass spectrometer leak detector. If the detected workpiece has leakage, the helium gas leaking into the vacuum box can be detected by a helium mass spectrometer leak detector.

In implementing the present invention, the inventor finds that the following problems exist in the prior art and are not solved: the device tubular metal resonator positioning mechanism that current tubular metal resonator helium detected is too loaded down with trivial details, and manual spacing sealed wastes time and energy, and spacing sealing mechanism has the limitation, and the tubular metal resonator spacing seal that can't be applicable to multiple pipe diameter, practicality subalternation problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device that metal pipe helium detected, through being provided with a screw rod and a screw thread section of thick bamboo, the anticlockwise screw thread section of thick bamboo that rotates of accessible, the screw thread section of thick bamboo drives the screw rod and moves in opposite directions, the extension board drives two sets of positioning disk extrusion and waits to detect metal pipe both ends face, but this mode one-hand holding metal pipe, the one-hand screw thread section of thick bamboo of twisting changes, one-man operation can, need not other people's auxiliary operation, drive two sets of screw rods by the screw thread section of thick bamboo simultaneously and opposite movement in opposite directions, promote metal pipe location and dismantlement efficiency, the problem that provides in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a device for detecting helium of a metal pipe comprises a bottom plate;

the upper surface of the bottom plate is fixedly provided with a guide rail, sliders are arranged on the left side and the right side in the guide rail, support plates are fixedly arranged on the tops of the two groups of sliders, through pipes a and through pipes b are fixedly arranged on the inner tops of the two groups of support plates respectively, helium detectors and vacuum pumps are arranged on the outer sides of the through pipes a and the through pipes b respectively in a communication mode, positioning discs are arranged on the inner ends of the through pipes a and the through pipes b respectively in a communication mode, an opening is formed in the middle of each positioning disc, concave tables are formed in the outer sides, close to the opening, of the inner side end faces of each positioning disc, sealing rings are arranged in the concave tables, helium adding pipes and vacuum meters are respectively arranged on the inner sides, close to the support plates, of the through pipes a and the through pipes b in a communication mode, valves a are arranged on the helium adding pipes, and valves b are arranged on the outer sides, close to the support plates, of the through pipes b;

the bottom of the inner sides of the two groups of support plates is fixedly provided with screws, the external threads of the two groups of screws are symmetrically arranged, a thread cylinder is connected between the two groups of screws in a screwed mode through the external threads, and the internal threads of the thread cylinder are matched with the external threads of the screws on the two sides.

As a preferred embodiment of the utility model, the outer wall of the threaded cylinder is adhered with a non-slip mat through glue.

As an optimized embodiment of the present invention, the positioning holes are disposed at four edges of the bottom plate.

As an optimized embodiment of the present invention, the corner formed by the screw rod and the support plate is welded with a reinforcing rib, and the reinforcing rib is a triangular structure.

As a preferred embodiment of the present invention, the slider is of an "i" type structure, and the shape of the slider matches the track groove profile of the guide rail.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a device that metal pipe helium detected, through being provided with screw rod and a screw thread section of thick bamboo, the anticlockwise rotation screw thread section of thick bamboo of accessible, screw thread section of thick bamboo drives the screw rod and moves in opposite directions, the screw rod drives two sets of extension boards and moves inwards, the extension board drives two sets of positioning disk extrusion and waits to detect metal pipe both ends face, but this mode one-hand holding metal pipe, the screw thread section of thick bamboo of twisting of one-hand, one-man operation can, need not other people's auxiliary operation, drive two sets of screw rods by the screw thread section of thick bamboo simultaneously and opposite movement in opposite directions, promote the metal pipe location and dismantle efficiency.

2. The utility model relates to a device that detection was examined to tubular metal resonator helium, through being provided with concave station and sealing washer, the accessible sealing washer is located between tubular metal resonator and the concave station to guarantee the sealed effect of interim butt joint, prevent that the helium from leaking, the setting of oversize concave station simultaneously can be pegged graft the tubular metal resonator in concave station department, and the tubular metal resonator that is applicable to multiple pipe diameter is sealed spacing.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic overall front view of the helium testing device for metal pipes according to the present invention;

fig. 2 is the utility model relates to a positioning disk part of device that helium detection of tubular metal resonator detected looks sideways at schematic structure.

In the figure: 1. a base plate; 2. a guide rail; 3. a threaded barrel; 4. a slider; 5. a screw; 6. a helium detector; 7. a through pipe a; 8. adding a helium pipe; 9. positioning a plate; 10. a valve a; 11. a through pipe b; 12. a vacuum gauge; 13. a valve b; 14. a vacuum pump; 15. a support plate; 16. a concave platform; 17. a port; 18. and (5) sealing rings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a device for detecting helium of a metal pipe comprises a bottom plate 1;

the upper surface of the bottom plate 1 is fixedly provided with a guide rail 2, the left side and the right side in the guide rail 2 are respectively provided with a slide block 4, the tops of the two groups of slide blocks 4 are respectively and fixedly provided with a support plate 15, the tops of the two groups of support plates 15 are respectively and fixedly provided with a through pipe a7 and a through pipe b11, the outsides of the through pipe a7 and the through pipe b11 are respectively communicated with a helium detector 6 and a vacuum pump 14, the inner ends of the through pipe a7 and the through pipe b11 are both communicated with a positioning disc 9, the middle part of the positioning disc 9 is provided with a through opening 17, the outer side of the end surface of the inner side of the positioning disc 9, which is close to the through opening 17, is provided with a concave table 16, the concave table 16 is of an annular structure, a sealing ring 18 is arranged in the concave table 16, the inner sides of the through pipe a7 and the through pipe b11 close to the support plate 15 are respectively communicated with a helium adding pipe 8 and a vacuum meter 12, the helium adding pipe 8 is provided with a valve a10, and the through pipe b11 is provided with a valve b13 close to the outer side of the support plate 15;

the screw rods 5 are fixedly arranged at the bottoms of the inner sides of the two groups of support plates 15, the external threads of the two groups of screw rods 5 are symmetrically arranged, the two groups of screw rods 5 are connected with a threaded cylinder 3 in a screwed mode through the external threads, and the internal threads of the threaded cylinder 3 are matched with the external threads of the screw rods 5 on the two sides.

In this embodiment (as shown in fig. 1 and fig. 2), by providing the screw rod 5 and the threaded cylinder 3, the threaded cylinder 3 can be rotated counterclockwise, the threaded cylinder 3 drives the screw rod 5 to move in opposite directions, the screw rod 5 drives the two sets of support plates 15 to move inward, the support plates 15 drive the two sets of positioning discs 9 to extrude two end faces of the metal pipe to be detected, the mode can hold the metal pipe by one hand, twist the thread cylinder 3 by one hand, operate by one person without the auxiliary operation of other people, meanwhile, the threaded cylinder 3 drives the two groups of screw rods 5 to synchronously move in opposite directions and oppositely, so that the positioning and positioning efficiency of the metal pipe is improved, and by arranging the concave platform 16 and the sealing ring 18, a sealing ring 18 may be provided between the metal tube and the recessed land 16 to ensure a sealing effect for temporary abutment, prevent helium leakage, meanwhile, the oversize concave station 16 is arranged, so that the metal pipe can be inserted into the concave station 16, and the metal pipe sealing device is suitable for sealing and limiting metal pipes with various pipe diameters.

Wherein, the outer wall of the threaded cylinder 3 is adhered with a non-slip mat by glue.

In this embodiment (as shown in fig. 1), by providing the non-slip mat, the friction force can be increased by the non-slip mat, thereby preventing the occurrence of a slip condition.

Wherein, the four edges of the bottom plate 1 are all provided with positioning holes.

In this embodiment (as shown in fig. 1), the bottom plate 1 can be detachably fixed through the positioning holes, so that the subsequent disassembly and assembly and maintenance are facilitated.

And reinforcing ribs are welded at corners formed by the screw rods 5 and the support plates 15 and are of triangular structures.

In this embodiment (as shown in fig. 1), by providing the reinforcing ribs, the rigidity of the support plate 15 can be improved by the reinforcing ribs, and the support plate 15 is prevented from being bent and deformed.

The slide block 4 is of an I-shaped structure, and the appearance of the slide block 4 is matched with the track groove profile of the guide rail 2.

In this embodiment (as shown in fig. 1), the shape of the slider 4 is matched with the track groove profile of the guide rail 2, so that the slider 4 can be prevented from shaking and shifting, and the slider 4 can be ensured to move horizontally.

The working principle is as follows: it should be noted that the utility model relates to a metal pipe helium detection device, which comprises a bottom plate 1, a guide rail 2, a thread cylinder 3, a slide block 4, a screw 5, a helium detector 6, a through pipe a7, a helium adding pipe 8, a positioning disc 9, a valve a10, a through pipe b11, a vacuum meter 12, a valve b13, a vacuum pump 14, a support plate 15, a concave table 16, a port 17 and a sealing ring 18, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the device can be known by technical manuals or conventional test methods, when the metal pipe helium detection device is used, the vacuum pump 14 and the helium detector 6 are externally connected, and the helium adding pipe 8 is externally provided with a helium supply device, the screw 5 and the thread cylinder 3 are arranged, the thread cylinder 3 can be rotated anticlockwise, the thread cylinder 3 drives the screw 5 to move towards each other, the screw 5 drives two groups of support plates 15 to move inwards, the support plate 15 drives two groups of positioning discs 9 to extrude two end faces of the metal pipe to be detected, the metal pipe can be held by one hand, the threaded cylinder 3 is screwed by one hand, the operation can be carried out by one person without the auxiliary operation of other people, meanwhile, the threaded cylinder 3 drives two groups of screws 5 to synchronously move in opposite directions and oppositely, the positioning and dismounting efficiency of the metal pipe is improved, the metal pipe can be positioned between the metal pipe and the concave table 16 through the sealing ring 18 by arranging the concave table 16 and the sealing ring 18 so as to ensure the sealing effect of temporary butt joint and prevent helium leakage, meanwhile, the concave table 16 with overlarge size can be used for inserting the metal pipe at the concave table 16 and is suitable for sealing and limiting the metal pipes with various pipe diameters, after the sealing and positioning of the metal pipe are finished, the valve a is closed, the valve b is opened, the metal pipe is pumped into a vacuum state by the vacuum pump 14, the vacuum degree of the metal pipe is determined by the vacuum meter 12, the valve b is closed, the valve a is opened, and a certain amount of helium is injected into the metal pipe from the helium adding pipe 8, and the helium detector 6 records the helium concentration, and after waiting for a set time, the helium concentration is compared with the helium concentration before standing, so that whether the group of metal tubes have leakage quality defects or not can be known, and the use effect is ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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

Claims

1. The utility model provides a device that metal pipe helium detected which characterized in that: comprises a bottom plate (1);

fixed surface is provided with guide rail (2) on bottom plate (1), the left and right sides all is provided with slider (4) in guide rail (2), and is two sets of slider (4) top is all fixed and is provided with extension board (15), and is two sets of extension board (15) interior top is fixed siphunculus a (7) and siphunculus b (11) of being provided with respectively, siphunculus a (7) and siphunculus b (11) outside intercommunication are provided with helium detector (6) and vacuum pump (14) respectively, siphunculus a (7) and siphunculus b (11) inner all communicate and are provided with positioning disk (9), opening (17) have been seted up at positioning disk (9) middle part, concave station (16) have been seted up in the outside that positioning disk (9) medial surface is close to opening (17), and concave station (16) are the loop configuration, be provided with sealing washer (18) in concave station (16), siphunculus a (7) and siphunculus b (11) inboard intercommunication respectively that is close to extension board (15) are provided with helium pipe (8) and vacuum meter (12) The helium adding pipe (8) is provided with a valve a (10), and the through pipe b (11) is provided with a valve b (13) close to the outer side of the support plate (15);

the screw rods (5) are fixedly arranged at the bottoms of the inner sides of the two groups of support plates (15), the external threads of the two groups of screw rods (5) are symmetrically arranged, the two groups of screw rods (5) are connected with the threaded barrel (3) in a screwed mode through the external threads, and the internal threads of the threaded barrel (3) are matched with the external threads of the screw rods (5) on the two sides.

2. The device for detecting the helium content of the metal pipe as claimed in claim 1, wherein: the outer wall of the threaded cylinder (3) is bonded with an anti-slip pad through glue.

3. The device for detecting the helium content of the metal pipe as claimed in claim 1, wherein: positioning holes are formed in four edges of the bottom plate (1).

4. The device for detecting the helium content of the metal pipe as claimed in claim 1, wherein: and reinforcing ribs are welded at corners formed by the screw rods (5) and the support plates (15), and are of triangular structures.

5. The device for detecting the helium content of the metal pipe as claimed in claim 1, wherein: the sliding block (4) is of an I-shaped structure, and the appearance of the sliding block (4) is matched with the track groove profile of the guide track (2).