CN219413884U

CN219413884U - Air inlet mechanical structure for airtight inspection instrument

Info

Publication number: CN219413884U
Application number: CN202223434615.4U
Authority: CN
Inventors: 司付良
Original assignee: Saifu Beijing Testing Technology Service Co ltd
Current assignee: Saifu Beijing Testing Technology Service Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-07-25
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses an air inlet mechanical structure for an airtight inspection instrument, which comprises an airtight inspection instrument main body, wherein one side of the airtight inspection instrument main body is provided with an air inlet pipe communicated with the inside of the airtight inspection instrument main body, the top and the bottom of one side of the airtight inspection instrument main body, which is close to the air inlet pipe, are provided with dismounting components, and one side, far away from the airtight inspection instrument main body, of the air inlet pipe is provided with a rectangular mounting plate; according to the air inlet mechanical structure of the airtight inspection instrument, through the mutual matching of the air inlet pipe, the arc-shaped clamping plate, the connecting rod, the annular connecting groove, the L-shaped sleeve plate, the rectangular mounting plate, the mounting sleeve groove, the internal thread block, the threaded rod, the sliding rod, the through groove and the hinging rod, the air inlet mechanical structure of the airtight inspection instrument can be used for connecting and fixing detection products with different diameters, so that the same air inlet mechanical structure can realize the testing and connecting functions of different detection products, and the flexibility and the practicability of the use of the air inlet mechanical structure are effectively improved.

Description

Air inlet mechanical structure for airtight inspection instrument

Technical Field

The utility model relates to the technical field of airtight inspection instruments, in particular to an air inlet mechanical structure for an airtight inspection instrument.

Background

The airtight inspection instrument is to charge the gas with specified pressure into the test workpiece, maintain a certain pressure in the workpiece through the pressure reducing valve, the instrument measures the current gas flow, two interfaces are arranged behind the instrument, one interface is connected with a standard product (qualified product), the other interface is connected with a detection product, the instrument simultaneously charges equal air pressure into the standard product and the detection product, then the air source is cut off, the difference value of the air pressure in the standard product subtracted by the air pressure in the detection product is observed, and if the difference value is zero, the detection product is qualified as the standard product; otherwise, the detected product is unqualified, so that an air inlet mechanical structure for the airtight inspection instrument needs to be designed;

the prior air inlet mechanical structure can meet the following inconveniences in the use process: 1. most of air inlets of the airtight inspection instrument are directly fixedly connected with the airtight inspection instrument, and the fixed connection mode is inconvenient for operators to realize connection work of different air inlets according to actual operation requirements in the later period, so that inconvenience and practicability of the air inlet mechanical structure of the airtight inspection instrument are reduced; 2. most of the air inlet mechanical structures of the airtight inspection instrument are not provided with connecting and fixing work for detection products with different diameters, so that the detection products with different diameters still need to be connected and detected in the specified airtight inspection instrument.

Disclosure of Invention

The utility model aims to provide an air inlet mechanical structure for an airtight inspection instrument, which aims to solve the problems that the prior air inlet mechanical structure is inconvenient in the use process: 1. most of air inlets of the airtight inspection instrument are directly fixedly connected with the airtight inspection instrument, and the fixed connection mode is inconvenient for operators to realize connection work of different air inlets according to actual operation requirements in the later period, so that inconvenience and practicability of the air inlet mechanical structure of the airtight inspection instrument are reduced; 2. most of the air inlet mechanical structures of the airtight inspection instrument are not provided with the functions of connecting and fixing detection products with different diameters, so that the detection products with different diameters still need to be connected and detected in the specified airtight inspection instrument.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air inlet mechanical structure for airtight inspection appearance, includes airtight inspection appearance main part, one side of airtight inspection appearance main part is equipped with the intake pipe rather than inside intercommunication each other, airtight inspection appearance main part is close to the top and the bottom of intake pipe one side all is equipped with dismouting subassembly, one side that airtight inspection appearance main part was kept away from to the intake pipe is equipped with the rectangle mounting panel, three sets of annular connecting groove have been seted up to one side that the intake pipe was kept away from to the rectangle mounting panel, one side that annular connecting groove was kept away from to rectangle mounting panel inside top and bottom all is equipped with the installation cover groove, two sets of the inside of installation cover groove all is equipped with the L type sleeve board that extends to rectangle mounting panel outside, a set of L type sleeve inboard top and the inboard bottom of another set of L type sleeve board all are equipped with the connecting rod, a set of the top of connecting rod and the bottom of another set of connecting rod all are equipped with arc grip block, and two sets of arc grip blocks mutually support, the intermediate position department that rectangle mounting panel openly one end is close to installation cover groove one side is equipped with fixed subassembly.

Preferably, the dismouting subassembly includes L type fixed plate, fixing bolt, supports board and arc extension board, L type fixed plate and arc extension board all are equipped with two sets of, two sets of the arc extension board is located the top and the bottom that the intake pipe is close to airtight inspection appearance main part one side, two sets of L type fixed plate is located airtight inspection appearance main part is close to the top and the bottom of intake pipe one side, two sets of the inside of L type fixed plate all the screw thread run through be equipped with rather than matched with fixing bolt, two sets of fixing bolt is close to one side of arc extension board all be equipped with rather than matched with support board.

Preferably, the fixed subassembly includes internal thread piece, threaded rod, slide bar, logical groove and articulated rod, it is equipped with two sets of to lead to the groove, two sets of lead to the groove and be located the positive one end of rectangle mounting panel and be close to the top and the bottom of installation cover groove one side, and the inside intercommunication each other of rectangle mounting panel and installation cover groove, two sets of the inside of leading to the groove all runs through and is equipped with the slide bar that is connected with L type cover board, the threaded rod is located the positive one end of rectangle mounting panel and is close to the intermediate position department of installation cover groove one side, the outside thread bush of threaded rod is equipped with rather than matched with internal thread piece, the top and the bottom of internal thread piece all articulate and are equipped with articulated rod, two sets of articulated rod keep away from the one end and the slide bar of internal thread piece and articulate each other.

Preferably, the top and the bottom of the front end of the two groups of sliding rods and the internal thread block are provided with hinging seats, and the hinging seats are mutually hinged with the hinging rods.

Preferably, the two groups of L-shaped fixing plates are provided with internal threaded holes, and the internal threaded holes are matched with the fixing bolts.

Preferably, a sealing ring is arranged on one side, close to the airtight inspection instrument main body, of the outer portion of the air inlet pipe, and the sealing ring is matched with the airtight inspection instrument main body.

Compared with the prior art, the utility model has the beneficial effects that: the air inlet mechanical structure for the airtight inspection instrument;

1. through the mutual matching of the air inlet pipe, the arc extension plate, the L-shaped fixing plate, the fixing bolt and the supporting plate, the disassembly and assembly work of the airtight inspection instrument and the air inlet mechanical structure can be realized, so that an operator can conveniently replace the air inlet mechanical structure, the convenience and the flexibility of the use of the airtight inspection instrument are effectively improved, and the structural design is simple and reasonable and is suitable for popularization;

2. through intake pipe, arc grip block, connecting rod, annular coupling groove, L type sleeve plate, rectangle mounting panel, installation cover groove, internal thread piece, threaded rod, slide bar, logical groove and articulated pole's mutually supporting, can realize that this airtight inspection appearance's air inlet mechanical structure carries out the fixed work of connection to the detection product of different diameter sizes for same air inlet mechanical structure can realize the test connection function of different detection products, the effectual flexibility and the practicality that have improved this air inlet mechanical structure and use.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side cross-sectional view of a rectangular mounting plate of the present utility model;

FIG. 4 is a side view of a rectangular mounting plate of the present utility model;

FIG. 5 is a side view of an air intake pipe of the present utility model;

FIG. 6 is an enlarged schematic view of the structure A of FIG. 1 according to the present utility model;

fig. 7 is an enlarged schematic view of the structure at B of fig. 1 according to the present utility model.

In the figure: 1. an airtight inspection instrument main body; 2. an air inlet pipe; 3. an arc-shaped clamping plate; 4. a connecting rod; 5. an annular connecting groove; 6. an L-shaped sleeve plate; 7. a rectangular mounting plate; 8. installing a sleeve groove; 9. an L-shaped fixing plate; 10. a fixing bolt; 11. a butting plate; 12. an arc-shaped extension plate; 13. an internal thread block; 14. a threaded rod; 15. a slide bar; 16. a through groove; 17. and a hinge rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, embodiments of the present utility model are provided: the utility model provides an air intake mechanical structure for airtight inspection appearance, including airtight inspection appearance main part 1, one side of airtight inspection appearance main part 1 is equipped with the intake pipe 2 rather than inside intercommunication each other, the top and the bottom that airtight inspection appearance main part 1 is close to intake pipe 2 one side all are equipped with dismouting subassembly, be convenient for realize intake pipe 2 and the flexibility that its used is improved in dismouting work of above parts, one side that airtight inspection appearance main part 1 was kept away from to intake pipe 2 is equipped with rectangular mounting panel 7, three sets of annular coupling groove 5 have been seted up to one side that rectangular mounting panel 7 kept away from in intake pipe 2, one side that annular coupling groove 5 was kept away from to rectangular mounting panel 7 inside top and bottom all are equipped with installation cover groove 8, the inside of two sets of installation cover grooves 8 all is equipped with the L type cover board 6 that extends to rectangular mounting panel 7 outside, the top of the inboard of a set of L type cover board 6 and the bottom of another set of L type cover inboard all are equipped with connecting rod 4, the top of a set of connecting rod 4 and the bottom of another set of connecting rod 4 all are equipped with arc grip block 3, and two sets of arc grip block 3 cooperate each other, the intermediate position department that rectangular mounting panel 7 openly one end is close to installation cover groove 8 one side is equipped with fixed subassembly, be convenient for realize the fixed centre gripping work of treating the product that detects.

Further, the dismounting assembly comprises an L-shaped fixing plate 9, fixing bolts 10, a resisting plate 11 and an arc-shaped extension plate 12, wherein the L-shaped fixing plate 9 and the arc-shaped extension plate 12 are respectively provided with two groups, the two groups of arc-shaped extension plates 12 are positioned at the top and the bottom of one side of the air inlet pipe 2, which is close to the air tightness tester main body 1, the two groups of L-shaped fixing plates 9 are positioned at the top and the bottom of one side of the air tightness tester main body 1, which is close to the air inlet pipe 2, the fixing bolts 10 matched with the two groups of L-shaped fixing plates 9 are respectively and internally threaded, and the resisting plate 11 matched with the two groups of fixing bolts 10 is respectively arranged at one side of the two groups of fixing bolts 10, which is close to the arc-shaped extension plate 12, so that the dismounting work of the air inlet pipe 2 and parts above can be conveniently realized, and the flexibility of the use of the air inlet pipe is improved.

Further, fixed subassembly includes internal thread piece 13, threaded rod 14, slide bar 15, lead to groove 16 and articulated pole 17, lead to groove 16 to be equipped with two sets of, two sets of top and the bottom that lead to groove 16 are located the positive one end of rectangle mounting panel 7 and are close to installation cover groove 8 one side, and rectangle mounting panel 7 communicates each other with the inside of installation cover groove 8, the inside of two sets of grooves 16 all runs through and is equipped with the slide bar 15 that is connected with L type cover board 6, threaded rod 14 is located the intermediate position department that the positive one end of rectangle mounting panel 7 is close to installation cover groove 8 one side, the outside thread bush of threaded rod 14 is equipped with rather than matched with internal thread piece 13, the top and the bottom of internal thread piece 13 all articulate and are equipped with articulated pole 17, the one end that internal thread piece 13 was kept away from to two sets of articulated pole 17 is articulated each other with slide bar 15, be convenient for realize treating the fixed centre gripping connection work of detecting the product.

Further, hinge seats are arranged at one end of the front faces of the two groups of slide bars 15 and the top and bottom of the internal thread block 13, and the hinge seats are hinged with the hinge rods 17, so that the hinge installation work of the hinge rods 17 is conveniently realized.

Further, the two groups of L-shaped fixing plates 9 are provided with internal threaded holes, and the internal threaded holes are matched with the fixing bolts 10, so that the rotation fixing work of the fixing bolts 10 is conveniently realized.

Further, a sealing ring is arranged on one side, close to the airtight inspection instrument main body 1, of the outer portion of the air inlet pipe 2, and the sealing ring is matched with the airtight inspection instrument main body 1, so that sealing performance of the air inlet pipe 2 during insertion is achieved conveniently.

Working principle: when the device is used, an operator can take the air inlet pipe 2 and the parts above the air inlet pipe to be inserted into the airtight inspection instrument main body 1, then the air inlet pipe 2 is rotated to drive the arc extension plate 12 to be clamped to the inner side of the L-shaped fixed plate 9, and finally the fixing bolt 10 is rotated to push the abutting plate 11 to approach the arc extension plate 12, so that the air inlet pipe 2 and the parts above the air inlet pipe can be assembled through the cooperation of the abutting plate 11 and the arc extension plate 12, and the replacement of the air inlet pipe 2 and the parts above the air inlet pipe can be conveniently realized by the operator according to actual operation requirements in the later period;

during operation, operating personnel can insert into the annular connecting groove 5 matched with the connecting groove according to the size of the position of a connecting port of a product to be detected, then the threaded rod 14 is rotated to drive the internal thread block 13 to move outside the annular connecting groove, so that the internal thread block 13 can pull the sliding rod 15 to move inside the through groove 16 through the hinged rod 17, then the L-shaped sleeve plate 6 is pulled to move inside the mounting sleeve groove 8 through the sliding rod 15, at the moment, the connecting rod 4 and the arc-shaped clamping plate 3 can be driven to simultaneously perform approaching work through the L-shaped sleeve plate 6, clamping and fixing work of the product to be detected is realized through the arc-shaped clamping plate 3, then the connecting detection work of the product to be detected with different diameters can be realized through the multi-group design of the annular connecting groove 5, and the flexibility and convenience of the air inlet mechanical structure of the air tightness tester are effectively improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. An air intake mechanism for an airtight inspection apparatus, comprising an airtight inspection apparatus main body (1), characterized in that: one side of airtight inspection appearance main part (1) is equipped with intake pipe (2) rather than inside intercommunication each other, airtight inspection appearance main part (1) is close to the top and the bottom of intake pipe (2) one side and all is equipped with dismouting subassembly, one side that airtight inspection appearance main part (1) was kept away from to intake pipe (2) is equipped with rectangle mounting panel (7), three sets of annular connecting groove (5) have been seted up to one side that intake pipe (2) was kept away from to rectangle mounting panel (7), one side that annular connecting groove (5) was kept away from to rectangle mounting panel (7) inside top and bottom all is equipped with installation cover groove (8), two sets of the inside of installation cover groove (8) all is equipped with the L type cover board (6) that extends to rectangle mounting panel (7) outside, a set of L type cover board (6) inboard top and another set of L type cover board (6) bottom all is equipped with connecting rod (4), a set of top and another set of connecting rod (4) bottom all are equipped with arc grip block (3), and two sets of arc grip block (3) are mutually supported, positive one end of rectangle mounting panel (7) is close to one side of installation cover (8) intermediate position department fixed.

2. An air intake mechanism for an airtight inspection apparatus according to claim 1, wherein: the disassembly and assembly comprises an L-shaped fixing plate (9), fixing bolts (10), resisting plates (11) and arc-shaped extension plates (12), wherein the L-shaped fixing plate (9) and the arc-shaped extension plates (12) are respectively provided with two groups, the two groups of arc-shaped extension plates (12) are positioned at the top and the bottom of one side, close to the airtight inspection instrument main body (1), of the air inlet pipe (2), the two groups of L-shaped fixing plates (9) are positioned at the top and the bottom of one side, close to the air inlet pipe (2), of the airtight inspection instrument main body (1), the two groups of L-shaped fixing plates (9) are internally provided with fixing bolts (10) matched with the L-shaped fixing plates in a threaded penetrating mode, and the two groups of resisting plates (11) matched with the fixing bolts (10) are arranged on one side, close to the arc-shaped extension plates (12).

3. An air intake mechanism for an airtight inspection apparatus according to claim 1, wherein: the utility model provides a fixing component includes internal thread piece (13), threaded rod (14), slide bar (15), logical groove (16) and articulated rod (17), lead to groove (16) to be equipped with two sets of, two sets of lead to groove (16) and be close to the top and the bottom of installation cover groove (8) one side in positive one end of rectangle mounting panel (7), and the inside intercommunication each other of rectangle mounting panel (7) and installation cover groove (8), two sets of the inside of leading to groove (16) all runs through and is equipped with slide bar (15) that are connected with L type cover board (6), threaded rod (14) are located the intermediate position department that the positive one end of rectangle mounting panel (7) is close to installation cover groove (8) one side, the outside thread bush of threaded rod (14) be equipped with rather than matched with internal thread piece (13), the top and the bottom of internal thread piece (13) all articulate and be equipped with articulated rod (17), two sets of articulated rod (17) are kept away from the one end and slide bar (15) of internal thread piece (13) and are articulated each other.

4. An air intake mechanism for an airtight inspection apparatus according to claim 3, wherein: the two groups of sliding rods (15) are provided with hinging seats at one end of the front face and the top and the bottom of the internal thread block (13), and the hinging seats are mutually hinged with hinging rods (17).

5. An air intake mechanism for an airtight inspection apparatus according to claim 2, wherein: the two groups of L-shaped fixing plates (9) are provided with internal threaded holes which are matched with the fixing bolts (10).

6. An air intake mechanism for an airtight inspection apparatus according to claim 1, wherein: and a sealing ring is arranged on one side, close to the airtight inspection instrument main body (1), of the outer part of the air inlet pipe (2), and the sealing ring is matched with the airtight inspection instrument main body (1).