CN202350988U - Auxiliary device for detecting air tightness of shell - Google Patents

Abstract

The utility model discloses an auxiliary device for detecting the air tightness of a shell. The auxiliary device comprises a pressing rod (1), an air needle (2), a housing (3), an air needle fixing shaft (4), a pressing block (5) sleeved on the air needle fixing shaft (4) and a rubber circular ring (6) sleeved on the air needle fixing shaft (4), wherein one end, which is hinged with the air needle (2), of the pressing rod (1) is provided with an eccentric wheel structure capable of enabling the air needle to move up and down; the air needle fixing shaft (4) is a stepped shaft; one end of the rubber circular ring (6) props against the stepped surface of the air needle fixing shaft (4), and the other end of the rubber circular ring (6) props against the pressing block (5); the upper part of the pressing block (5) is accommodated in a chamber (3.2) and fixed together with the housing (3); and the rubber circular ring (6) is compressed by rotating the free end of the pressing rod (1), so that a bulge is formed, and a sealing function is realized. The device is convenient to operate and high in detection efficiency; and the labor intensity of workers is reduced.

Description

The housing impermeability detects servicing unit

Technical field

The utility model relates to a kind of testing tool, specifically is that a kind of housing impermeability detects servicing unit.

Background technology

At present, the impermeability detection for housing mainly directly is connected with tested housing through the equipment of will giving vent to anger; The equipment of giving vent to anger provides gas, the impermeability of housing is detected, when the equipment of giving vent to anger is connected with tested housing; Need to guarantee the impermeability of junction, thus need rubber blanket be installed to the air intake opening of tested housing, and rubber blanket is generally locked through nut; So need the installation threaded hole be set to around the air intake opening, this just has certain damage to housing, and locks the time that a plurality of nuts need be more; Make detection efficiency lower, and inconvenient operation; Give vent to anger equipment escape pipe need with the air intake opening wringing fit, get impermeability to guarantee the junction, so need to adopt electric wrench Laian County take on tracheae, this has just increased personnel labor.

The utility model content

The technical matters that the utility model will solve is, provide a kind of set-up time few, detection efficiency is high, housing impermeability little, easy to operate to shell damage and that reduce staff labor intensity detects servicing unit.

For solving the problems of the technologies described above; A kind of housing impermeability of the utility model detects servicing unit; Comprise depression bar, air tube, briquetting and cover that shell, air tube stationary shaft, cover are engaged on the air tube stationary shaft are engaged in the rubber ring on the air tube stationary shaft, and said air tube is a multidiameter; Path one end and depression bar one end of air tube are hinged; Big footpath one end and the air tube stationary shaft of air tube are fixed, and the other end of depression bar is a free end, and the hinged end of said depression bar and air tube is provided with the eccentric wheel structure that air tube is moved up and down; Said shell is provided with the chamber that is used for ccontaining air tube, and cavity bottom is provided with the through hole that is used for sliding fit air tube path one end; Said air tube stationary shaft is a multidiameter, and the cascaded surface of rubber ring one end and air tube stationary shaft offsets, and the rubber ring other end and briquetting offset, and the top of briquetting is contained in the chamber and with shell and fixes; Said shell side is provided with the opening that is used for the ccontaining escape pipe of part, and the periphery of said air tube bigger diameter end is provided with the circular hole that cooperates with escape pipe, is equipped with the gas port that is used for gas communication in said air tube and the air tube stationary shaft.

Described eccentric wheel structure is meant that the hinged end of depression bar and air tube is a disk, and disk is provided with and is used for the through hole hinged with air tube, and through hole departs from circle disk center, and the side edge of disk offsets with the upper surface of shell; The said air tube other end and air tube stationary shaft are meant that fixedly the air tube other end is provided with threaded hole, and air tube stationary shaft one end is provided with external thread, and air tube is threaded with the air tube stationary shaft.

As preferably, said briquetting and shell are meant that fixedly briquetting and shell are spirally connected.

As preferably, the bigger diameter end diameter of said air tube stationary shaft, the outside diameter of rubber ring and briquetting miner diameter end diameter equate.

After adopting said structure, the utlity model has following advantage: move upward through rotating the free end of depression bar, driving with the hinged air tube of depression bar; Air tube drives fixing with it air tube stationary shaft and moves upward, and motionless with the fixing briquetting of shell, this reduces with regard to making the distance between briquetting and the air tube stationary shaft; At this moment, rubber ring is compressed, and forms protruding; Reach the effect of sealing, this device is easy to operate; Simultaneously, do not need operations such as nut lock, to the basic not damaged of housing; Simultaneously, because escape pipe is fixed on this device, once fixes and can detect a plurality of housings, so the set-up time is also few, detection efficiency is high, and working strength of workers has also obtained reduction.

As improvement, also comprise the rubber blanket that is used to seal, said rubber blanket is placed in the threaded hole bottom of air tube.After rubber blanket is set, make the junction impermeability better.

Description of drawings

Structural representation when Fig. 1 is the utility model housing impermeability detection servicing unit unsealing.

Structural representation when Fig. 2 is the sealing of the utility model housing impermeability detection servicing unit.

Shown in the figure, 1-depression bar, 1.1-disk, 2-air tube, 2.1-circular hole, 3-shell, 3.1-opening, 3.2 chambers, 4-air tube stationary shaft, 4.1-gas port, 5-briquetting, 6-rubber ring, the tested housing of 7-, 8-escape pipe, 9-rubber blanket.

Embodiment

Below in conjunction with accompanying drawing the utility model is done further to specify.

As illustrated in fig. 1 and 2; A kind of housing impermeability detects servicing unit, and a kind of housing impermeability detects servicing unit, comprises depression bar 1, air tube 2; Briquetting 5 and cover that shell 3, air tube stationary shaft 4, cover are engaged on the air tube stationary shaft 4 are engaged in the rubber ring 6 on the air tube stationary shaft 4; Said air tube 2 is a multidiameter, and path one end and depression bar 1 one ends of air tube 2 are hinged, and big footpath one end of air tube 2 and air tube stationary shaft 4 are fixing; The other end of depression bar 1 is a free end, and said depression bar 1 is provided with the eccentric wheel structure that air tube is moved up and down with air tube 2 hinged ends; Said shell 3 is provided with the chamber 3.2 that is used for ccontaining air tube 2, and chamber 3.2 bottoms are provided with the through hole that is used for sliding fit air tube 2 paths one end; Said air tube stationary shaft 4 is a multidiameter, and the cascaded surface of rubber ring 6 one ends and air tube stationary shaft 4 offsets, and rubber ring 6 other ends and briquetting 5 offset, and the top of briquetting 5 is contained in the chamber 3.2 and with shell 3 and fixes; Said shell 3 sides are provided with the opening 3.1 that is used for the ccontaining escape pipe 8 of part; The periphery of said air tube 2 bigger diameter ends is provided with the circular hole 2.1 that cooperates with escape pipe 8; Be equipped with the gas port 4.1 that is used for gas communication in said air tube 2 and the air tube stationary shaft 4; Said circular hole 2.1 and opening 3.1 are same to be docked with gas ports 4.1 in the air tube stationary shaft 4 towards, gas ports 4.1 in the air tube 2, and the circular hole 2.1 on air tube 2 peripheries is connected with air tube 2 interior gas ports 4.1.

Described eccentric wheel structure is meant, depression bar 1 is a disk 1.1 with air tube 2 hinged ends, and disk 1.1 is provided with and is used for the through hole hinged with air tube 2, and through hole departs from disk 1.1 centers of circle, and the side edge of disk 1.1 offsets with the upper surface of shell 3.

Said air tube 2 other ends and air tube stationary shaft 4 are meant that fixedly air tube 2 other ends are provided with threaded hole, and air tube stationary shaft 4 one ends are provided with external thread, and air tube 2 is threaded with air tube stationary shaft 4.

Said briquetting 5 is meant fixedly that with shell 3 briquetting 5 is spirally connected with shell 3.

The bigger diameter end diameter of said air tube stationary shaft 4, the outside diameter of rubber ring 6 and briquetting 5 miner diameter end diameter equate.

Also comprise the rubber blanket 9 that is used to seal, said rubber blanket 9 is placed in the threaded hole bottom of air tube 2.

When detecting the housing impermeability; Need bigger diameter end, rubber ring 6 and briquetting 5 miner diameter ends of air tube stationary shaft 4 be stretched into the air intake opening of tested housing 7, the bigger diameter end diameter of described air tube stationary shaft 4, the outside diameter of rubber ring 6 and briquetting 5 miner diameter end diameters are slightly less than the diameter of tested housing 7 air intake openings.Through eccentric wheel structure, when rotating the free end of depression bar 1, drive moves upward with depression bar 1 hinged air tube 2; Air tube 2 drives fixing with it air tube stationary shaft 4 and moves upward, and motionless with the fixing briquetting 5 of shell 3, this reduces with regard to making the distance between briquetting 5 and the air tube stationary shaft 4; At this moment; Rubber ring 6 is compressed, and forms convexity, reaches the effect of sealing.

Claims (6)

1. a housing impermeability detects servicing unit; It is characterized in that: comprise depression bar (1), air tube (2); Briquetting (5) and cover that shell (3), air tube stationary shaft (4), cover are engaged on the air tube stationary shaft (4) are engaged in the rubber ring (6) on the air tube stationary shaft (4); Said air tube (2) is a multidiameter, and path one end and depression bar (1) one end of air tube (2) are hinged, and big footpath one end of air tube (2) and air tube stationary shaft (4) are fixing; The other end of depression bar (1) is a free end, and said depression bar (1) is provided with the eccentric wheel structure that air tube is moved up and down with the hinged end of air tube (2); Said shell (3) is provided with the chamber (3.2) that is used for ccontaining air tube (2), and chamber (3.2) bottom is provided with the through hole that is used for sliding fit air tube (2) path one end; Said air tube stationary shaft (4) is a multidiameter; The cascaded surface of rubber ring (6) one ends and air tube stationary shaft (4) offsets; Rubber ring (6) other end and briquetting (5) offset, and the top of briquetting (5) is contained in the chamber (3.2) and with shell (3) and fixes; Said shell (3) side is provided with the opening (3.1) that is used for the ccontaining escape pipe of part (8); The periphery of said air tube (2) bigger diameter end is provided with the circular hole (2.1) that cooperates with escape pipe (8), is equipped with the gas port (4.1) that is used for gas communication in said air tube (2) and the air tube stationary shaft (4).

2. housing impermeability according to claim 1 detects servicing unit; It is characterized in that: described eccentric wheel structure is meant; Depression bar (1) is disk (1.1) with the hinged end of air tube (2); Disk (1.1) is provided with and is used for and the hinged through hole of air tube (2), and through hole departs from disk (1.1) center of circle, and the side edge of disk (1.1) offsets with the upper surface of shell (3).

3. housing impermeability according to claim 1 detects servicing unit; It is characterized in that: said air tube (2) other end and air tube stationary shaft (4) fixedly are meant; Air tube (2) other end is provided with threaded hole; Air tube stationary shaft (4) one ends are provided with external thread, and air tube (2) is threaded with air tube stationary shaft (4).

4. housing impermeability according to claim 1 detects servicing unit, it is characterized in that: said briquetting (5) is meant fixedly that with shell (3) briquetting (5) is spirally connected with shell (3).

5. housing impermeability according to claim 1 detects servicing unit, it is characterized in that: the outside diameter of the bigger diameter end diameter of said air tube stationary shaft (4), rubber ring (6) and briquetting (5) miner diameter end diameter equate.

6. housing impermeability according to claim 2 detects servicing unit, it is characterized in that: also comprise the rubber blanket (9) that is used to seal, said rubber blanket (9) is placed in the threaded hole bottom of air tube (2).

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