CN201434781Y

CN201434781Y - Airtight water sample bottle with floating and self-locking bottle cap

Info

Publication number: CN201434781Y
Application number: CN2009201239601U
Authority: CN
Inventors: 杨灿军; 李风波; 黄豪彩; 牛文达
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2009-07-02
Filing date: 2009-07-02
Publication date: 2010-03-31
Anticipated expiration: 2019-07-02

Abstract

The utility model discloses an airtight water sample bottle with floating and self-locking bottle caps, which comprises a self-locking device with floating self-locking position, a pair of self-locking bodies is symmetrically and axially mounted on a cylinder body, a first cone I and a second II are machined on both ends of the cylinder body, guiding pins are mounted on the cones, and the guidingpins are used for guiding the movement of the bottle caps. Two pairs of self-locking clips are respectively connected with the upper and lower bottle caps of the water sample bottle through pins, eachpair of clips is provided with tensile springs. During clamping operation, the upper and lower caps cover the cylinder body, the clip arms of the clips expand outwards at the same time, when the cylinder body is covered, the second cone II is clamped by the clips, the clips can float in the axis direction of the cylinder body along with the bottle caps for clamping, so the bottle caps are self-locked. The bottle cap self-locking device improves the pressure resistant capacity and air tightness of the airtight water sample bottle and realizes the accurate sampling of gas in seawater.

Description

But a kind of air-tight water-sampling bottle of bottle cap floating self-locking

Technical field

But the utility model relates to a kind of floating self-locking device of deep sea water air-tight water-sampling bottle gland bonnet, is particularly suitable for being applied on the device that the lock construction element self-locking position floats in a little straight-line segment scope.

Background technology

The research of deep-sea gas has important scientific meaning and practice significance, and the deep-sea distribution of gas is to seek the important indicator of resources such as hydrothermal solution sulfide, gas hydrate unusually.Gather the seawater sample of protecting gas, reliable raw data can be provided for the research of deep-sea gas, the device of therefore gathering seawater sample need possess good air-tightness.The required inside and outside differential pressure that the bears when friction force when minimizing pressure balance chamber piston moves can reduce the air-tight water-sampling bottle sampling, yet the minimizing of friction force is difficult to guarantee the piston good sealing property, therefore, under the prerequisite that guarantees the piston good sealing property, need to guarantee the certain precompressed amount of O type circle, allow to have certain friction force.The existence of friction force requires to go up lower bottle cap in that be under the sealing state can self-locking, is not got excited, and could guarantee the reliability of seawater sample gas fidelity.Changing because the different pretension sealing forces of extension spring make in the tiny scope of position on tubular axis of bottle cap sealing, be accurate location, but therefore a kind of floating self-locking device has just seemed particularly necessity.

Summary of the invention

But the purpose of this utility model provides a kind of air-tight water-sampling bottle of bottle cap floating self-locking simple in structure.

But the air-tight water-sampling bottle of bottle cap floating self-locking of the present utility model, comprise the sounding bottle cylindrical shell, two stop valves and pressure balance chamber are installed on the cylindrical shell, piston is arranged in the pressure balance chamber, the two ends of cylindrical shell have upper bottle cover and lower bottle cap respectively, the O RunddichtringO is housed respectively on upper bottle cover and the lower bottle cap, be provided with first extension spring in the cylindrical shell, the two ends of first extension spring link to each other with the inboard of upper bottle cover and lower bottle cap respectively, it is characterized in that be equipped with axisymmetrically on the cylindrical shell a pair of have on the self-locking body of self-locking body and following self-locking body, on, following self-locking body is processed with the first cone I and the second cone II respectively, upper bottle cover connects by pin goes up the self-locking clamp, lower bottle cap connects self-locking clamp down by pin, between two jig arm of last self-locking clamp second extension spring is housed, between two jig arm of following self-locking clamp the 3rd extension spring is housed, one end of two first guide fingers is connected on the self-locking body axisymmetrically, the other end of two first guide fingers is a free end, pass through the pair of holes on the upper bottle cover respectively, one end of two second guide fingers is connected on the self-locking body axisymmetrically, the other end of two second guide fingers is a free end, pass through the pair of holes on the lower bottle cap respectively, fixed connecting plate on the cylindrical shell, on, lower supporting plate is separately fixed at the two ends of web joint, square hole is arranged on the upper backup pad, top sheave is equipped with in the upper backup pad end, first rigid cord is walked around top sheave, pass the square hole of upper backup pad, the one end is connected with upper bottle cover, the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline, square hole is arranged on the lower supporting plate, lower sheave is equipped with in the lower supporting plate end, second rigid cord is walked around lower sheave, pass the square hole on the lower supporting plate, the one end is connected with lower bottle cap, and the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline.

Advantage of the present utility model: this self-locking device is simple in structure, self-locking is effective, utilize sampling action to finish self-locking action simultaneously, and self-locking position can change in tiny linear extent, have fine adjustment function, be applied to deep sea air-tight water-sampling bottle, improved the voltage endurance capability and the impermeability of air-tight water-sampling bottle, guaranteed the reliability of seawater sample gas fidelity, application prospect will be very wide.

Description of drawings

But Fig. 1 is the air-tight water-sampling bottle structural front view (state before the sampling) of bottle cap floating self-locking;

Fig. 2 is the left view of Fig. 1;

But the synoptic diagram the during sampling of the air-tight water-sampling bottle of Fig. 3 bottle cap floating self-locking;

But Fig. 4 is the synoptic diagram (state during clamping) after the air-tight water-sampling bottle sampling of bottle cap floating self-locking;

But Fig. 5 is the air-tight water-sampling bottle self-locking device of bottle cap floating self-locking decontrols synoptic diagram.

Embodiment

Further specify the utility model below in conjunction with accompanying drawing.

With reference to Fig. 1, Fig. 2, but the air-tight water-sampling bottle of bottle cap floating self-locking of the present utility model, comprise sounding bottle cylindrical shell 4, two stop valves 5 and pressure balance chamber 6 are installed on the cylindrical shell 4, piston 7 is arranged in the pressure balance chamber 6, the two ends of cylindrical shell 4 have upper bottle cover 8 and lower bottle cap 9 respectively, on upper bottle cover 8 and the lower bottle cap 9 O RunddichtringO 10 is housed respectively, 11, be provided with first extension spring 12 in the cylindrical shell, the two ends of first extension spring 12 link to each other with the inboard of upper bottle cover 8 with lower bottle cap 9 respectively, it is characterized in that be equipped with axisymmetrically on the cylindrical shell a pair of have on the self-locking body 3 of self-locking body 3-1 and following self-locking body 3-2, on, following self-locking body 3-1,3-2 is processed with the first cone I and the second cone II respectively, upper bottle cover 8 connects by pin 13 goes up self-locking clamp 1, lower bottle cap 9 connects self-locking clamp 2 down by pin 14, between two jig arm of last self-locking clamp 1 second extension spring 15 is housed, between two jig arm of following self-locking clamp 2 the 3rd extension spring 16 is housed, one end of two first guide fingers 17 is connected on the self-locking body 3-1 axisymmetrically, the other end of two first guide fingers 17 is a free end, pass through the pair of holes 19 on the upper bottle cover 8 respectively, one end of two second guide fingers 18 is connected on the self-locking body 3-2 axisymmetrically, the other end of two second guide fingers 18 is a free end, pass through the pair of holes 20 on the lower bottle cap 9 respectively, fixed connecting plate 21 on the cylindrical shell 4, on, lower supporting

plate

22,23 are separately fixed at the two ends of web joint 21, square hole 24 is arranged on the upper backup pad, top sheave 26 is equipped with in the upper backup pad end, first rigid cord 28 is walked around top sheave 26, pass the square hole 24 of upper backup pad, the one end is connected with upper bottle cover 8, the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline, square hole 25 is arranged on the lower supporting plate, lower sheave 27 is equipped with in the lower supporting plate end, second rigid cord 29 is walked around lower sheave 27, pass the square hole 25 on the lower supporting plate, the one end is connected with lower bottle cap 9, and the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline.

Before the sampling (seeing Fig. 1, Fig. 2), two stop valves 5 are closed, and first rigid cord 28, second rigid cord 29 are strained upper and

lower bottle cap

8,9 respectively, and hang on the hook of releasing mechanism of the dark measuring instrument of thermohaline.The jig arm of upper and lower self-locking clamp slightly contacts with the first cone I of upper and lower self-locking body respectively, and upper and lower bottle cap is in the state of opening, and the piston 7 of pressure balance chamber is in the position of the most close sounding bottle cylindrical shell simultaneously.

(see figure 3) during sampling, the hook of the releasing mechanism of the dark measuring instrument of thermohaline is decontroled first, second rigid cord, the effect lower cover of first extension spring of upper and lower bottle cap in cylindrical shell is to the sounding bottle cylindrical shell, upper and lower self-locking clamp jig arm overcomes the effect of second,

third extension spring

15,16 respectively simultaneously, open laterally, when bottle cap is built cylindrical shell, upper and lower self-locking clamp jig arm rotates and clamps the second cone II (see figure 4) of upper and lower self-locking body respectively around

13,14 under the effect of second, third extension spring.When inside and outside the bottle pressure difference being arranged, last lower bottle cap has the movement tendency of being washed open along the sounding bottle tubular axis, this moment upper and lower self-locking clamp jig arm be subjected to upper and lower self-locking body perpendicular to the pressure of the bus of the second cone II with along the friction force of bus, maximum static friction force and pressure are the clamping direction of jig arm to the direction of the resultant moment of the rotation center of jig arm, jig arm can not be released, thereby upper and lower bottle cap is in self-locking state.In order to make the self-locking effect safe more, the friction factor of the second cone II and jig arm is the bigger the better, and friction factor is more than or equal to 0.15 usually, and for the ease of building bottle cap, the friction factor of the first cone I and jig arm is the smaller the better.

Sampling back (see figure 5), but the air-tight water-sampling bottle of bottle cap floating self-locking is got back on the deck, finish after the experimental analysis, operating personnel outwards rotate to extreme position with upper and lower self-locking clamp jig arm, under the effect of second,

third extension spring

8,9 and be in open configuration.

Claims

1. but the air-tight water-sampling bottle of a bottle cap floating self-locking, comprise sounding bottle cylindrical shell (4), two stop valves (5) and pressure balance chamber (6) are installed on the cylindrical shell (4), piston (7) is arranged in the pressure balance chamber (6), the two ends of cylindrical shell (4) have upper bottle cover (8) and lower bottle cap (9) respectively, on upper bottle cover (8) and the lower bottle cap (9) O RunddichtringO (10 is housed respectively, 11), be provided with first extension spring (12) in the cylindrical shell, the two ends of first extension spring (12) link to each other with the inboard of upper bottle cover (8) with lower bottle cap (9) respectively, it is characterized in that be equipped with axisymmetrically on the cylindrical shell a pair of have on the self-locking body (3) of self-locking body (3-1) and following self-locking body (3-2), on, following self-locking body (3-1,3-2) be processed with the first cone I and the second cone II respectively, upper bottle cover (8) is by self-locking clamp (1) in pin (13) connection, lower bottle cap (9) connects self-locking clamp (2) down by pin (14), between two jig arm of last self-locking clamp (1) second extension spring (15) is housed, between two jig arm of following self-locking clamp (2) the 3rd extension spring (16) is housed, one end of two first guide fingers (17) is connected on the self-locking body (3-1) axisymmetrically, the other end of two first guide fingers (17) is a free end, pass through the pair of holes (19) on the upper bottle cover (8) respectively, one end of two second guide fingers (18) is connected on the self-locking body (3-2) axisymmetrically, the other end of two second guide fingers (18) is a free end, pass through the pair of holes (20) on the lower bottle cap (9) respectively, cylindrical shell (4) is gone up fixed connecting plate (21), on, lower supporting plate (22,23) be separately fixed at the two ends of web joint (21), square hole (24) is arranged on the upper backup pad, top sheave (26) is equipped with in the upper backup pad end, first rigid cord (28) is walked around top sheave (26), pass the square hole (24) of upper backup pad, the one end is connected with upper bottle cover (8), the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline, square hole (25) is arranged on the lower supporting plate, lower sheave (27) is equipped with in the lower supporting plate end, second rigid cord (29) is walked around lower sheave (27), pass the square hole (25) on the lower supporting plate, the one end is connected with lower bottle cap (9), and the other end is the link with the releasing mechanism hook of the dark measuring instrument of thermohaline.