Portable high-efficient easy-maintenance gas sampler
Technical Field
The utility model belongs to the technical field of the gas sampling ware, concretely relates to portable high-efficient easy maintenance gas sampling ware.
Background
Gas sampling is the process of collecting a gas sample in a specified area. The gas can be ambient air or gas in a container such as a tower tank, and the collection method comprises the steps of collecting a gas sample by using the container (a tin foil bag, a bladder and the like) and then analyzing the gas composition in the container.
At present, the existing gas sampling mostly adopts the hand to pinch the air bag (stool ball) to collect gas in the aluminum foil bag or the bladder, the air bag is small in size, the rebound is slow by the rebound of rubber, the extrusion is close to the wrist, the wrist is easy to fatigue and the like, so that the air bag collection efficiency is low, and in addition, the electronic sampler on the market is expensive, is not easy to fall, is inconvenient to carry, needs to be dustproof and waterproof and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable high-efficient easy maintenance gas sampling ware to it rebounds slowly, collection inefficiency and the easy tired problem of wrist to provide traditional gas sampling in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable high-efficient easy maintenance gas sampling ware, includes the pump base, the internal thread has been seted up to the inner wall of pump base, and installs pump base inner tube on the pump base, the first external screw thread with internal thread looks adaptation is seted up to the exterior wall lower extreme of pump base inner tube, and the top of pump base inner tube installs scalable pump body, the inside top of scalable pump body is fixed with the spring cap, be connected with the spring between the inside bottom of spring cap bottom and pump base, and the equal symmetry in inside bottom of spring cap lower table wall and pump base is fixed with the arch, the both ends of spring are all established in bellied outside, intake pipe and outlet duct that the exterior wall symmetric connection of pump base has, the tip of intake pipe and outlet duct is all closed and is connected with the check valve, the second external screw thread has all been seted up at the outer wall both ends.
Preferably, the top end of the telescopic pump body is connected with a pressing plate, slots are symmetrically formed in two sides of the upper wall of the pressing plate, insertion blocks matched with the slots are inserted into the slots, and elastic pads are fixed at the top ends of the insertion blocks.
Preferably, the upper surface wall of the elastic cushion is symmetrically fixed with anti-skid convex strips, and the cross sections of the anti-skid convex strips are of semicircular structures.
Preferably, the upper end of the outer wall of the pump base is integrally formed with a notch, and the upper end of the inner wall of the pump base is smooth and has no protrusion.
Preferably, the bottom end of the pump base is connected with a bottom plate, and the lower surface wall of the bottom plate is provided with anti-skid grains.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an air pump is stepped on to gaseous completion collection by the innerspring foot, and the air pump is bulky, and the spring resilience speed is fast, has greatly improved gaseous sampling efficiency, but this gas sampling ware foot is stepped on also hand simultaneously, can effectively alleviate the fatigue of sampling personnel wrist, wherein through addding the arch, utilizes the both ends of protruding limited spring, and multiplicable spring coupling's stability avoids the slippage of tip.
(2) The utility model discloses a cooperation of inserted block and slot has realized inserting of cushion and has established the installation, need lift off when changing at the cushion, only need draw the cushion outward, with the inserted block extract from the slot can, lift off swift convenience, labour saving and time saving.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
in the figure: 1. a pump base; 2. an air inlet pipe; 3. a one-way valve; 4. an inner tube of the pump base; 5. inserting a block; 6. pressing a plate; 7. an elastic pad; 8. anti-skid convex strips; 9. a collapsible pump body; 10. a first external thread; 11. a second external thread; 12. an air outlet pipe; 13. a notch; 14. a base plate; 15. an internal thread; 16. a spring cap; 17. a spring; 18. a protrusion; 19. and (4) a slot.
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. 1-3, the present invention provides the following technical solutions: a portable high-efficiency easy-maintenance gas sampler comprises a pump base 1, wherein an inner thread 15 is arranged on the inner wall of the pump base 1, a pump base inner tube 4 is arranged on the pump base 1, a first outer thread 10 matched with the inner thread 15 is arranged at the lower end of the outer wall of the pump base inner tube 4, a telescopic pump body 9 is arranged at the top end of the pump base inner tube 4, a spring cap 16 is fixed at the inner top of the telescopic pump body 9, a spring 17 is connected between the bottom end of the spring cap 16 and the inner bottom of the pump base 1, bulges 18 are symmetrically fixed on the lower surface wall of the spring cap 16 and the inner bottom of the pump base 1, two ends of the spring 17 are sleeved outside the bulges 18, four springs 17 are additionally arranged on the telescopic pump body 9, an air pump is collected by stepping on an air pump with built-in spring feet, the volume of the gas pump is large, the rebounding speed of the springs 17 is high, the gas sampling efficiency, can effectively alleviate the fatigue of sampling personnel wrist, wherein utilize protruding 18 to inject the both ends of spring 17, the stability that multiplicable spring 17 connects, avoid the slippage of tip, some intake pipe 2 and outlet duct 12 of pump base 1's exterior wall symmetric connection, the tip of intake pipe 2 and outlet duct 12 all closes soon and is connected with check valve 3, second external screw thread 11 has all been seted up at the outer wall both ends of check valve 3, the check valve 3 of seting up second external screw thread 11 is used for connecing gas sampling pipe soon.
Further, the top of the telescopic pump body 9 is connected with a pressing plate 6, slots 19 are symmetrically formed in two sides of the upper wall of the pressing plate 6, the inserting blocks 5 matched with the inserting blocks are inserted into the slots 19, elastic pads 7 are fixed to the top ends of the inserting blocks 5, when the elastic pads 7 need to be detached for replacement, the elastic pads 7 only need to be pulled outwards, the inserting blocks 5 can be extracted from the slots 19, and the detaching is rapid, convenient, time-saving and labor-saving.
Furthermore, the upper surface wall of the elastic pad 7 is symmetrically fixed with anti-slip convex strips 8, the cross section of each anti-slip convex strip 8 is of a semicircular structure, and when the telescopic pump body 9 is pressed, hands or feet contact the anti-slip convex strips 8, so that the hand slip or the foot slip can be effectively avoided.
Further, the upper end of the outer wall of the pump base 1 is integrally formed with a notch 13, and the upper end of the inner wall of the pump base 1 is smooth and has no protrusion.
Further, the bottom end of the pump base 1 is connected with a bottom plate 14, anti-skid grains are arranged on the lower surface wall of the bottom plate 14, the placing stability of the sampler can be effectively improved through the bottom plate 14 with the anti-skid grains, and the sampler is prevented from sliding in use.
The utility model discloses a theory of operation and use flow: the utility model discloses a when using, utilize 3 connection gas sampling pipes of check valve who sets up second external screw thread 11, then pedal on clamp plate 6, can accomplish gas acquisition through the application of force to the scalable pump body 9, wherein, during the compression of the scalable pump body 9, spring 17 contracts, the resilience of the scalable pump body 9 of being convenient for of reverse elasticity of production, gas sampling efficiency has greatly been improved, but this gas sampling ware foot step on also hand simultaneously, can effectively alleviate the fatigue of sampling personnel wrist, wherein utilize protruding 18 to prescribe a limit to the both ends of spring 17, the stability of multiplicable spring 17 connection, avoid the slippage of tip, furthermore, elastic cushion 7 on the clamp plate 6 need lift off when changing, only need draw elastic cushion 7 outward, with the inserted block 5 from slot 19 in extract can, lift off swift convenience, time saving and labor saving.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.