CN2415345Y

CN2415345Y - Volumetric gas meter

Info

Publication number: CN2415345Y
Application number: CN 00222740
Authority: CN
Inventors: 陈敬学
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-07
Filing date: 2000-04-07
Publication date: 2001-01-17
Anticipated expiration: 2010-04-07

Abstract

The utility model relates to a volumetric gas meter. The utility model is characterized in that six through holes are arranged on a valve bar 16 side by side, wherein, four through holes in the middle correspond to a basic frame 15 under the valve bar 16, and through holes on both sides are communicated with an outer lateral cavity of an air chamber under the valve bar 16; a left involucra component 14 and a right involucra component 24 which are arranged in the air chamber are connected with a swing arm shaft 3 and a swing arm 9 via a portable plate 2, the swing arm 9 is connected with a cam shifting fork control mechanism 42, and a drive shaft 33 of the control mechanism 42 is contacted with a dialing limit stop 41 of an outer magnetic upper sleeve 34 of a magnetic drive component; guide rods 17 are arranged on a left and a right sliding valve covers 18, 20 above the valve bar 16. The utility model has the advantages of compact structure, stable quality, safety and reliability; not only is counting accurate, but also ' gas stealing ' done by people is stopped.

Description

The volumetric gas gauging table

The utility model relates to a kind of gas meter, is applicable to that especially family and industry have the volumetric gas gauging table of big gas consumption.

At present, there is following defective in gas meter, flow meter commonly used: 1. because the fricton-tight safety apparatus of slip valve gap, in the time of will putting in order table and do slightly, the applying of valve gap on the valve grid that just can not guarantee to slide slided, and easily forms air gap and leaks gas, and causes metering inaccurate, or only ventilation, the phenomenon of not counting.2. the gas channel of valve grid disperses, and the last plane that gas channel contacts with the slip valve gap is matrix pattern, and is cut off each other, be difficult for guaranteeing flatness, and difficulty of processing is big.3 because the power conducting system is not tight rapid, and each power rod member is too big in the room of junction, very easy coming off after being vibrated.4. the sealing between transmission shaft and the hole easily produces gas leakage after the experience wear, have unsafe hidden danger.

The purpose of this utility model provides a kind of volumetric gas gauging table, by changing the inner structure of gas meter, flow meter, improve the quality stability and the safe reliability of gas meter, flow meter, and counting accurately, can stop artificial " stealing gas ".

Concrete scheme of the present utility model is: comprise lower house, sealing gasket, connect hoop, screw, fixing corner bracket, pipe adapter, upper shell, gas outlet, left side cap, left side rubber film component part, pedestal, the valve grid, left side slip valve gap, right slip valve gap, gasket seal, right cap, right rubber film component part, transmission shaft, the numeration rotation axis, it is characterized in that: A. valve grid have six through holes stem for stem, wherein Zhong Jian four-way hole is corresponding with pedestal hole, valve grid below, two side through hole communicate with the chamber, the air chamber outside of valve grid below, B. the left rubber film component part of adorning is connected with arm shaft and swing arm by tearing plate open with right rubber film component part in the air chamber, swing arm is connected with cam fork controls mechanism, and the block of stirring that overlaps on the transmission shaft of this cam fork controls mechanism and the outer magnetic of magnetic transmission component contacts; C. the valve gap that horizontally slips above the valve grid is provided with guide pole.

The utility model compared with prior art has following advantage:

1. the work composition surface of valve grid and slip valve gap is arranged and is concentrated, easily processing, low cost of manufacture.

2. slip valve gap impulse stroke is short, and it is little to wear and tear, not yielding.

3. the traffic direction of slip valve gap has been controlled in the setting of guide pole, can make the slide-valve lid under any circumstance all be close to the valve grid again and slide, and air tight, dynamic seal (packing) is good.

4. rotating disk is provided with the elasticity boss snap close of anti-wraparound, and when just changeing, the boss slope is extruded, and boss descends, and rotation is carried out; During wraparound, the boss step works, and is buckled on the lower link, and mechanism is shut down, stuffiness in the whole table.

5. the utilization of camshaft has realized a multi-functional purposes, and structure is compact more.

6. the flexible connection position of all driving members, as: shift fork and swing arm are provided with the elasticity overhead kick, can prevent at the volley or deviate from when being vibrated.

7. the utilization of magnetic transmission, disposable solved motion by in the housing to outside when spreading out of, sealing and wear problem between axle, the hole have reduced technology difficulty, have avoided the potential safety hazard of drawing because of housing gas leakage.

Following structure drawings and Examples further specify the utility model:

Fig. 1 is a front view of the present utility model;

Fig. 2 is the A-A cut-open view of Fig. 1;

Fig. 3 is the B-B cut-open view of Fig. 1;

Fig. 4 is that the K of Fig. 2 is to figure.

Please see Figure 1, Fig. 2, Fig. 3, Fig. 4, the number in the figure meaning is: lower house 1, flap 2, arm shaft 3, sealing gasket 4, connect hoop 5, screw 6, fixedly corner bracket 7, O-ring seal 8, swing arm 9, pipe adapter 10, upper shell 11, gas outlet 12, left side cap 13, left side rubber film component part 14, pedestal 15, valve grid 16, guide pole 17, left side slip valve gap 18, lower shift fork 19, right slip valve gap 20, upper shift fork 21, sealing gasket 22, right cap 23, right rubber film component part 24, vertical shaft 25, camshaft 26, rotating disk 27, lower link 28, last connecting rod 29, snap close 30, conical gear 31, transmission shaft support 32, transmission shaft 33, overlap 34 on the outer magnetic, outer steel 35, outer magnetic traps 36, isolate steel bushing 37, interior magnetic axis 38, interior magnet steel 39, overlap 40 on the interior magnetic, stir block 41, cam fork controls mechanism 42.The utility model is mainly by lower house 1, flap 2, arm shaft 3, sealing gasket 4, connect hoop 5, screw 6, fixedly corner bracket 7, O-ring seal 8, swing arm 9, pipe adapter 10, upper shell 11, gas outlet 12, left side cap 13, left side rubber film component part 14, pedestal 15, valve grid 16, guide pole 17, left side slip valve gap 18, lower shift fork 19, right slip valve gap 20, upper shift fork 21, sealing gasket 22, right cap 23, right rubber film component part 24, compositions such as control gear 42 and magnetic transmission component, structural feature of the present utility model is: A. valve grid 16 have six stem for stem through hole (I ', II ', III ', IV ', a, b), wherein Zhong Jian four-way hole (II ', III ', a, b) corresponding with valve grid 16 below pedestals 15 holes, two side through hole (I ', IV ') with chamber, the air chamber of the valve grid 16 belows outside (I, IV) communicates; The left rubber film component part 14 of adorning is connected with arm shaft 3 and swing arm 9 by tearing plate 2 open with right rubber film component part 24 in the B air chamber, swing arm 9 is connected with cam fork controls mechanism 42, and the block 41 of stirring of cover 34 contacts on the transmission shaft 33 of this cam fork controls mechanism 42 and the outer magnetic of magnetic transmission component; C. the

valve gap

18,20 that horizontally slips above the valve grid 16 is provided with guide pole 17.

As shown in Figure 1: lower house 1 is connected hoop 5 lock joints with upper shell 11 through steel ring and becomes air chamber outside the composition, plays a part to stockpile gas.

As shown in Figure 2: pedestal 15 upper ends and valve grid 16 pairing four holes are arranged side by side, and having only central two holes is through holes, and it constitutes air admission hole with valve grid 16 medium pores, and this air admission hole communicates with air chamber (II, III); Two holes in the pedestal 15 medium pores outside constitute outlet passageway with valve grid 16 pairing holes, and this outlet passageway communicates with gas outlet 12.

Also can see from Fig. 2: by left cap 13, pedestal 15, right cap 23 constituted two in left rubber film component part 14 in the air chambers and right rubber film component part 24 air chambers in two are divided into four air chambers (I, II, III, IV).

As shown in Figure 3: cam fork controls mechanism 42 is made up of vertical shaft 25, camshaft 26, lower shift fork 19, upper shift fork 21, rotating disk 27, lower link 28, last connecting rod 29, snap close 30, conical gear 31, transmission shaft support 32, transmission shaft 33, its neutral axis 25 lower ends are installed on valve grid 16 and the pedestal 15, the upper end is overlapped in the camshaft 26 of packing into, and camshaft 26 is made up of two offset cams and a bevel gear; This bevel gear and conical gear 31 engagements, conical gear 31 is sleeved in the transmission shaft support 32, the output termination transmission shaft 33 of conical gear 31; Be set with lower shift fork 19 and upper shift fork 21 on the offset cam of camshaft 26, be set with rotating disk 27 above offset cam, rotating disk 27 is provided with snap close 30, is set with lower link 28 and last connecting rod 29 on the boss of rotating disk 27; Lower link 28 is connected with swing arm 9 respectively with last connecting rod 29.

Also can see from Fig. 3: the magnetic transmission component by outer magnetic overlap 34, outer steel 35, outer magnetic trap 36, isolate steel bushing 37, interior magnetic axis 38, interior magnet steel 39, interior magnetic cover 40 are formed, cover 34 and the outer magnetic 36 formation magnetic shell bodies of trapping on its China and foreign countries' magnetic, in the magnetic shell body, be equipped with and isolate steel bushing 37, isolate outer steel 35 is arranged outside the steel bushing 37, isolate interior magnet steel 39 is housed in the steel bushing 37, the interior magnetic axis 38 of interior magnet steel 39 is the numeration rotation axis.

By Fig. 2 and Fig. 3 as can be known: 21 1 of lower shift fork 19 and upper shift forks are installed in respectively on the reference column of pedestal 15 as oscillation centre, and the race at middle place meshes with the offset cam of camshaft 26, and the other end is installed on left slip valve gap 18 and the right slip valve gap 20; Lower shift fork 19 and upper shift fork 20 are provided with overhead kick in the junction with pedestal 15 reference columns.

The utility model is performed such work: when left side slip valve gap 18 moves right (position as shown in Figure 2) combustion gas by inlet channel I ' enter air chamber I, the volume of air chamber I increases, promoting left rubber film component part 14 moves right, left side rubber film component part 14 moves right and makes the volume reducing of air chamber II on the one hand, combustion gas forms ventilation by passage II ' discharge to gas outlet 12 through the curved channel of left side slip valve gap 18 bottoms and outlet passageway a in the chamber; Connected left folding plate 2 is put to the right, and corresponding swing arm 9 is pendulum to the right also, and connecting rod 29 rotates camshaft 26 pulling in, and the rotation of camshaft 26 by conical gear 31 output that will rotatablely move, is passed to number system through magnetic driver on the one hand, and realization is counted; Promoting right slip valve gap 20 by upper shift fork 21 on the other hand moves from left to right.When the right side slip valve gap 20 passage III ' open state that moves right, combustion gas is by passage III ' enter into air chamber III, the volume of air chamber III increases, promoting right rubber film component part 24 moves right, moving to right of right rubber film component part 24 reduces the volume of air chamber IV on the one hand, in the chamber combustion gas by the passage IV ', discharge to gas outlet 12 through the curved channel of right side slip valve gap 20 bottoms and outlet passageway b, form ventilation; On the other hand, connected right folding plate 2 is put to the right, corresponding swing arm 9 is also put to the right, promote lower link 28 protruding axle 26 is rotated, camshaft 26 rotates, and one by conical gear 31 output that will rotatablely move, interior magnetic axis 38 through the magnetic transmission component is passed to number system, realizes counting; Two promote left slip valve gap 18 by the lower shift fork in the camshaft 19 moves from right to left.When left side slip valve gap 18 to moving left to gas channel II ' be opened, combustion gas is by passage II ' enter into air chamber II, the volume of air chamber II increases, promoting left rubber film component part 14 is moved to the left, moving to left of left side rubber film component part 14 reduces the volume of air chamber I on the one hand, in the chamber combustion gas by the passage I ', the curved channel of sliding valve gap 18 bottoms and outlet passageway a discharge to gas outlet 12 through a left side, form ventilation; Continuous left folding plate 2 is put left, and corresponding swing arm 9 is also put left, and connecting rod 29 drives protruding axle 26 rotations in the promotion.Camshaft 26 rotates, and one by conical gear 31 output that will rotatablely move, and passes to number system through the interior magnetic axis 38 of magnetic transmission component, realizes counting; Two promote right slip valve gap 20 by the upper shift fork in the camshaft 21 moves from right to left.When right side slip valve gap 20 to moving left to gas channel IV ' be opened, combustion gas is increased by the volume of passage IV ' enter into air chamber IV air chamber IV, promotes right rubber film component part 24 to moving to left.Moving to left of right rubber film component part 24, on the one hand the volume of air chamber III is reduced, combustion gas is by passage III ' discharge to gas outlet 12 through the curved channel of right side slip valve gap 20 bottoms and outlet passageway b in the chamber, form ventilation, on the other hand, continuous right folding plate 2 is put left, corresponding swing arm 9 is also put left, pulling lower link 28 rotates protruding axle 26.The rotation of camshaft 26, one by conical gear 31 output that will rotatablely move, and passes to number system through the interior magnetic axis 38 of magnetic driver, realizes counting; Two promote left slip valve gap 18 by the lower shift fork in the camshaft 19 moves from left to right.When left side slip valve gap 18 moved on to gas channel I ' open state to the right, combustion gas repeated above-mentioned motion by passage I ' enter into the air chamber I.

In the cycle of above-mentioned motion, move to the orderly swinging arc of 26 4 output of camshaft by swing arm 9 by the cartridge assemblies that pedestal 15, left cap 13, right cap 23, left rubber film component part 14, right rubber film component part 24, swing arm 9, valve grid 16, left slip valve gap 18, right slip valve gap 19 etc. are formed, camshaft 26 on the one hand, by rotating disk 27 the swinging arc movement conversion is become to rotatablely move, and, realize counting by conical gear 31 output that will rotatablely move; On the other hand, again by two shift forks 19 in the camshaft and 21 to two

slip valve gaps

18 and 20 4 orderly sliding motions of output, make combustion gas in cartridge assemblies during orderly passing through, produce new power, export new swinging arc motion, the most periodic swinging arc movement conversion becomes continuously to rotatablely move.

Claims

1. volumetric gas gauging table, comprise lower house (1), sealing gasket (4), connect hoop (5), screw (6), fixing corner bracket (7), pipe adapter (10), upper shell (11), gas outlet (12), left side cap (13), left side rubber film component part (14), pedestal (15), valve grid (16), left side slip valve gap (18), right slip valve gap (20), gasket seal (22), right cap (23), right rubber film component part (24), transmission shaft (33), the numeration rotation axis, it is characterized in that: A. valve grid (16) have six stem for stem through hole (I ', II ', III ', IV ', a, b), wherein Zhong Jian four-way hole (II ', III ', a, b) corresponding with pedestal (15) hole, valve grid (16) below, two side through hole (I ', IV ') with chamber, the air chamber outside (I of valve grid (16) belows, IV) communicates; B. institute's left rubber film component part of adorning (14) is connected with arm shaft (3) and swing arm (9) by tearing plate (2) open with right rubber film component part (24) in the air chamber, swing arm (9) is connected with cam fork controls mechanism (42), and the block (41) of stirring of cover (34) contacts on the transmission shaft (33) of this cam fork controls mechanism (42) and the outer magnetic of magnetic transmission component; C. the valve gap that horizontally slips (18,20) of valve grid (16) top is provided with guide pole (17).

2. volumetric gas gauging table according to claim 1, it is characterized in that: pedestal (15) upper end is arranged side by side with pairing four holes of valve grid (16), having only central two holes is through holes, it constitutes air admission hole with valve grid (16) medium pore, and this air admission hole communicates with air chamber (II, III); Two holes in pedestal (15) the medium pore outside constitute outlet passageway (a, b) with the pairing hole of valve grid (16), and this outlet passageway communicates with gas outlet (12).

3. volumetric gas gauging table according to claim 1 and 2 is characterized in that: by left cap (13), pedestal (15), right cap (23) constituted two in left rubber film component part (14) and right rubber film component part (24) in the air chambers two interior air chambers are divided into four air chambers (I, II, III, IV).

4. volumetric gas gauging table according to claim 1, it is characterized in that: cam fork controls mechanism (42) is made up of vertical shaft (25), camshaft (26), lower shift fork (19), upper shift fork (21), rotating disk (27), lower link (28), last connecting rod (29), snap close (30), conical gear (31), transmission shaft support (32), transmission shaft (33), its neutral axis (25) lower end is installed on valve grid (16) and the pedestal (15), the upper end is overlapped in the camshaft (26) of packing into, and camshaft (26) is made up of two offset cams and a bevel gear; This bevel gear and conical gear (31) engagement, conical gear (31) is sleeved in the transmission shaft support (32), the output termination transmission shaft (33) of conical gear (31); On the offset cam of camshaft (26), be set with lower shift fork (19) and upper shift fork (21), above offset cam, be set with rotating disk (27), rotating disk (27) is provided with snap close (30), is set with lower link (28) and last connecting rod (29) on the boss of rotating disk (27); Lower link (28) is connected with swing arm (9) respectively with last connecting rod (29).

5. volumetric gas gauging table according to claim 1, it is characterized in that: the magnetic transmission component is trapped (36), is isolated by cover (34), outer steel (35), outer magnetic on the outer magnetic and overlaps (40) on steel bushing (37), interior magnetic axis (38), interior magnet steel (39), the interior magnetic and form, cover (34) and outer magnetic (36) formation magnetic shell body of trapping on its China and foreign countries' magnetic, in the magnetic shell body, be equipped with and isolate steel bushing (37), isolate outer steel (35) is arranged outside the steel bushing (37), isolate in the steel bushing (37) interior magnet steel (39) is housed, the interior magnetic axis (38) of interior magnet steel (39) is the numeration rotation axis.

6. according to claim l or 4 described volumetric gas gauging tables, it is characterized in that: (21) one of lower shift fork (19) and upper shift forks are as oscillation centre, be installed in respectively on the reference column of pedestal (15), the race at middle place and the engagement of the offset cam of camshaft (26), the other end is installed on left slip valve gap (18) and the right slip valve gap (20); Lower shift fork (19) and upper shift fork (20) are provided with overhead kick in the junction with pedestal (15) reference column.