CN213812765U

CN213812765U - Helium leakage detection tool for product

Info

Publication number: CN213812765U
Application number: CN202023306567.1U
Authority: CN
Inventors: 张城; 赵久亮
Original assignee: Chongqing Jiuhuan Machinery & Electric Co ltd
Current assignee: Chongqing Jiuhuan Machinery & Electric Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a helium leak testing frock for product, comprising a base plate, the upper end of bottom plate is provided with the frock body, the upper end of the frock body is provided with the apron, the top of apron is provided with the KF joint, one side of KF joint is provided with first sealing washer, and the KF joint is close to the one end of apron and is provided with the connecting block, the outside of connecting block and the inside that is located the apron have seted up the spread groove, and the outward appearance wall of connecting block is provided with the external screw thread, the interior table wall of spread groove is provided with the internal thread, the inside top of the frock body is provided with the second sealing washer, one side of second sealing washer is provided with the inner chamber piece, the outward appearance wall of inner chamber piece is provided with the fixture block; this helium leak testing frock for product can reach the leakproofness of having guaranteed the leakproofness behind apron and the KF articulate and detecting the frock through setting up first sealing washer, connecting block, spread groove, external screw thread, internal thread and second sealing washer, has avoided the leakproofness poor and lead to the problem that the testing result error appears.

Description

Helium leakage detection tool for product

Technical Field

The utility model relates to a detect frock technical field, specifically be a helium leak testing frock for product.

Background

Helium is a rare gas, the element symbol is He, the atomic number is 2, the helium is a colorless and odorless inert gas, the chemical property is inert, and the helium is difficult to react with other substances under the general condition, the helium is an element with the second content in the universe next to hydrogen, the helium accounts for about 24% of the mass of the star system star body, and astronomers enable the son and Loker to observe an unknown characteristic spectral line in sunlight in 1868. However, helium is found on the earth in a radioactive ore vein rich in uranium until 1895, 1903, a large amount of helium is found in a natural gas oil field in the United states, and a detection tool is needed for detecting whether helium leakage exists in a product, and the existing helium leakage detection tool for the product.

The prior art has the following defects or problems:

1. when the detection tool is used, the tightness of the detection tool after the cover plate is connected with the KF joint cannot be ensured, so that the detection result is easy to have errors due to poor tightness, and the detection quality of the detection tool cannot be ensured;

2. when a product is detected, the inner cavity block cannot be replaced, and the product placing groove in the inner cavity block cannot be consistent with the product appearance, so that the inner space of the tool body is increased, the detection time is easily increased due to the overlarge inner space of the tool body, and the detection efficiency of the detection tool is reduced;

3. the existing detection tool is combined, welding or bolt connection is needed to be utilized for forming, so that a gap is reserved at a connection position between the tool and the cover plate, and a tool body is prone to generating a leakage point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a helium leak testing frock for product to the weak point of prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a helium leak testing frock for product, includes the bottom plate, the upper end of bottom plate is provided with the frock body, the upper end of the frock body is provided with the apron, the top of apron is provided with the KF and connects, one side that the KF connects is provided with first sealing washer, and the KF connects the one end that is close to the apron and is provided with the connecting block, the spread groove has been seted up to the outside of connecting block and the inside that is located the apron, and the outward appearance wall of connecting block is provided with the external screw thread, the interior table wall of spread groove is provided with the internal thread, the inside top of the frock body is provided with the second sealing washer, one side of second sealing washer is provided with the inner chamber piece, the outward appearance wall of inner chamber piece is provided with the fixture block, the draw-in groove has been seted up on the outside of fixture block and the top that is located the frock body.

As the utility model discloses an optimized technical scheme, the bottom symmetry of bottom plate is provided with the support column, the lower extreme of support column is provided with the sucking disc, the sucking disc is fixed connection with the support column.

As the utility model discloses an optimal technical scheme, the shape of first sealing washer is O type circle structure, and the internal diameter size of first sealing washer and the external diameter size phase-match of connecting block, first sealing washer cover is established in the outside of connecting block.

As the utility model discloses an optimized technical scheme, connecting block, spread groove, external screw thread and internal screw thread shape are the cylinder structure, the size and the internal screw thread size phase-match of external screw thread.

As the utility model discloses a preferred technical scheme, the shape of second sealing washer is O type circle structure, and the size of second sealing washer is greater than the size of first sealing washer, the second sealing washer sets up the outside at the inner chamber piece.

As the utility model discloses an optimized technical scheme, the shape of fixture block is the I-shaped, and the quantity of fixture block is a plurality of groups, the quantity of draw-in groove and the quantity phase-match of fixture block, the inside of inner chamber piece is provided with places the chamber.

As the utility model discloses a preferred technical scheme, the shape of the frock body and apron is the rectangle, the width of the frock body is the same with the width of apron, the frock body is fixed connection with the bottom plate.

Compared with the prior art, the utility model provides a helium leak testing frock for product possesses following beneficial effect:

1. according to the helium leakage detection tool for the product, the first sealing ring, the connecting block, the connecting groove, the external thread, the internal thread and the second sealing ring are arranged, when the detection tool is used, the cover plate is in threaded connection with the KF joint and then sealed through the first sealing ring, so that the sealing performance of the cover plate after the cover plate is connected with the KF joint is ensured, in addition, the cover plate and the tool body are sealed through the second sealing ring, so that the sealing performance of the detection tool is ensured, the problem that the detection result has errors due to poor sealing performance is avoided, and the detection quality of the detection tool is ensured;

2. according to the helium leakage detection tool for the product, the inner cavity block can be replaced through the matching of the clamping block and the clamping groove when the product is detected, so that the product placing groove in the inner cavity block is consistent with the product in shape, the inner space of the tool body is effectively reduced, the problem that the detection time is increased due to the fact that the inner space of the tool body is too large is solved, the operation is simple and convenient, and the detection efficiency of the detection tool is improved;

3. this a helium leak testing frock for product, this frock body is integral, need not to utilize welding or bolted connection formula to become the type, has solved current detection frock and has caused between for the combination formula that the joint part leaves the gap and lead to the problem that the frock body produces the leak source, in addition, adopts atmospheric pressure to compress tightly between the frock body and the apron, need not to utilize to twist and twist bolted connection, makes its effectual reduction twist the produced time of twisting the bolt, has improved the detection efficiency who detects the frock.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the tool body of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 1;

fig. 4 is a perspective view of the present invention.

In the figure: 1. a base plate; 2. a tool body; 3. a cover plate; 4. a KF linker; 5. a first seal ring; 6. connecting blocks; 7. connecting grooves; 8. an external thread; 9. an internal thread; 10. a second seal ring; 11. an inner cavity block; 12. a clamping block; 13. a card slot; 14. a support pillar; 15. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a helium leak testing frock for product, comprising a base plate 1, the upper end of bottom plate 1 is provided with the frock body 2, the upper end of the frock body 2 is provided with apron 3, the top of apron 3 is provided with KF joint 4, one side that KF joint 4 is provided with first sealing washer 5, and the one end that KF joint 4 is close to apron 3 is provided with connecting block 6, connecting block 6's outside and the inside that is located apron 3 have seted up spread groove 7, and connecting block 6's exterior wall is provided with external screw thread 8, spread groove 7's interior table wall is provided with internal thread 9, the inside top of the frock body 2 is provided with second sealing washer 10, one side of second sealing washer 10 is provided with inner chamber piece 11, the exterior wall of inner chamber piece 11 is provided with fixture block 12, fixture block 12's outside and the top that is located frock body 2 have seted up draw-in groove 13.

In this embodiment, the bottom end of the bottom plate 1 is symmetrically provided with supporting columns 14, the lower ends of the supporting columns 14 are provided with suckers 15, and the suckers 15 are fixedly connected with the supporting columns 14; through the cooperation of support column 14 and sucking disc 15, will detect the firm placing of frock on detecting the desktop. The shape of the first sealing ring 5 is an O-shaped ring structure, the inner diameter of the first sealing ring 5 is matched with the outer diameter of the connecting block 6, and the first sealing ring 5 is sleeved outside the connecting block 6; through first sealing washer 5 to guaranteed the leakproofness after apron 3 and KF connect 4 are connected. The connecting block 6, the connecting groove 7, the external thread 8 and the internal thread 9 are cylindrical in shape, and the size of the external thread 8 is matched with that of the internal thread 9; the connecting piece 6 with the external thread 8 is screwed into the connecting piece 6 with the internal thread 9, so that the cover plate 3 is in threaded connection with the KF connector 4. The shape of the second sealing ring 10 is an O-shaped ring structure, the size of the second sealing ring 10 is larger than that of the first sealing ring 5, and the second sealing ring 10 is arranged outside the inner cavity block 11; the cover plate 3 and the tool body 2 are sealed by the second sealing ring 10, so that the sealing performance of the detection tool is ensured, and the problem that the detection result has errors due to poor sealing performance is solved. The fixture blocks 12 are I-shaped, the number of the fixture blocks 12 is a plurality of groups, the number of the clamping grooves 13 is matched with that of the fixture blocks 12, and a placing cavity is formed in the inner cavity block 11; the cooperation of crossing fixture block 12 and draw-in groove 13 can change inner chamber piece 11 for the product standing groove in the inner chamber piece 11 is unanimous with the product appearance, makes its 2 inner spaces of effectual reduction frock, has avoided the too big problem that leads to increasing detection time in the 2 inner spaces of the frock body. The tool body 2 and the cover plate 3 are rectangular, the width of the tool body 2 is the same as that of the cover plate 3, and the tool body 2 is fixedly connected with the bottom plate 1; the tool body 2 is integral, welding or bolt connection forming is not needed, the problem that the existing detection tool is combined, gaps are left at the connecting position to cause leakage points of the tool body 2 is solved, in addition, the tool body 2 and the cover plate 3 are compressed by atmospheric pressure, screwing bolts are not needed for connection, and time for screwing the bolts is effectively reduced.

The utility model discloses a theory of operation and use flow: a helium leakage detection tool for a product is characterized in that when the helium leakage detection tool is used, firstly, the detection tool is stably placed on a detection desktop through the cooperation of a supporting column 14 and a sucker 15, then, a product to be detected is placed in a placing cavity in an inner cavity block 11, then, a tool body 2 is tightly connected with a cover plate 3 through atmospheric pressure, then, a KF joint 4 is connected, the product is detected, through the arrangement of a first sealing ring 5, a connecting block 6, a connecting groove 7, an external thread 8, an internal thread 9 and a second sealing ring 10, when the detection tool is used, the cover plate 3 is in threaded connection with the KF joint 4 and then is sealed through the first sealing ring 5, so that the sealing performance after the cover plate 3 is connected with the KF joint 4 is ensured, in addition, the cover plate 3 and the tool body 2 are sealed through the second sealing ring 10, so that the sealing performance of the detection tool is ensured, and the problem that the detection result has errors due to poor sealing performance is avoided, the detection quality of the detection tool is ensured; when a product is detected, the inner cavity block 11 can be replaced through the matching of the clamping block 12 and the clamping groove 13, so that the product placing groove in the inner cavity block 11 is consistent with the product appearance, the inner space of the tool body 2 is effectively reduced, the problem that the detection time is increased due to the fact that the inner space of the tool body 2 is too large is solved, and the detection efficiency of the detection tool is improved; this frock body 2 is integral, need not to utilize welding or bolted connection formula, has solved current detection frock and has caused between for the combination formula that the connection position leaves the gap and lead to the problem that frock body 2 produces the leak source, in addition, adopts atmospheric pressure to compress tightly between frock body 2 and the apron 3, need not to utilize to revolve to twist bolted connection, makes its effectual reduction revolve the time that twists the bolt and produce, has improved the detection efficiency who detects the frock.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a helium leak testing frock for product which characterized in that: the tool comprises a bottom plate (1), a tool body (2) is arranged at the upper end of the bottom plate (1), a cover plate (3) is arranged at the upper end of the tool body (2), a KF joint (4) is arranged at the top end of the cover plate (3), a first sealing ring (5) is arranged on one side of the KF joint (4), a connecting block (6) is arranged at one end, close to the cover plate (3), of the KF joint (4), a connecting groove (7) is formed in the outer portion of the connecting block (6) and located in the cover plate (3), external threads (8) are formed in the outer surface wall of the connecting block (6), internal threads (9) are formed in the inner surface wall of the connecting groove (7), a second sealing ring (10) is arranged at the top end of the inner portion of the tool body (2), an inner cavity block (11) is arranged on one side of the second sealing ring (10), a clamping block (12) is arranged on the outer surface wall of the inner cavity block (11), and a clamping groove (13) is formed in the outer part of the clamping block (12) and positioned at the top end of the tool body (2).

2. The helium leak detection tool for a product of claim 1, wherein: the bottom symmetry of bottom plate (1) is provided with support column (14), the lower extreme of support column (14) is provided with sucking disc (15), sucking disc (15) are fixed connection with support column (14).

3. The helium leak detection tool for a product of claim 1, wherein: the shape of first sealing washer (5) is O type circle structure, and the internal diameter size of first sealing washer (5) and the external diameter size phase-match of connecting block (6), first sealing washer (5) cover is established in the outside of connecting block (6).

4. The helium leak detection tool for a product of claim 1, wherein: the shape of connecting block (6), spread groove (7), external screw thread (8) and internal thread (9) is the cylinder structure, the size of external screw thread (8) and the size phase-match of internal thread (9).

5. The helium leak detection tool for a product of claim 1, wherein: the shape of the second sealing ring (10) is of an O-shaped ring structure, the size of the second sealing ring (10) is larger than that of the first sealing ring (5), and the second sealing ring (10) is arranged outside the inner cavity block (11).

6. The helium leak detection tool for a product of claim 1, wherein: the shape of fixture block (12) is I-shaped, and the quantity of fixture block (12) is a plurality of groups, the quantity of draw-in groove (13) and the quantity phase-match of fixture block (12), the inside of inner chamber piece (11) is provided with places the chamber.

7. The helium leak detection tool for a product of claim 1, wherein: the tool body (2) and the cover plate (3) are rectangular, the width of the tool body (2) is the same as that of the cover plate (3), and the tool body (2) is fixedly connected with the bottom plate (1).