CN2921486Y

CN2921486Y - Floating ball pressure on-off

Info

Publication number: CN2921486Y
Application number: CN 200620059832
Authority: CN
Inventors: 黄奕华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-31
Filing date: 2006-05-31
Publication date: 2007-07-11
Anticipated expiration: 2016-05-31

Abstract

The utility model relates to a pool water level control on-off, in particular to a floating ball pressure on-off utilizing a floating ball and a rock arm control on-off component to open or close a water input passage and a water output passage, which comprises a valve holder, an on-off component and a control component, wherein, the on-off component comprises an elastic on-off gasket, a gasket support and a sealing cap. On the bottom of the gasket support is arranged with a water input micropore and above the sealing cap is arranged with a water tight drain hole and an extension tube. The sealing cap is fixed onto the valve holder through an end cover which is provided with a through hole matching the extension tube and a hinge ear hinged with the rock arm through a wrist. The elastic on-off gasket is provided with an assistant reset shutoff device. The utility model has the advantages of scientific and reasonable design, simple structure, small volume and long life-span without frequent dismantling and washing. Moreover, in case of lower water pressure, the utility model is quick in on-off action and good in sealing effect without any leakage.

Description

The ball float baroswitch

Technical field:

The utility model relates to a kind of water level in water pool control switch, especially a kind of water level in water pool control switch that utilizes ball float and rocking arm control switch assembly thereof to open or close intake tunnel and exhalant canal.

Background technique:

Tradition float-ball type level control switch for water, mainly by the base that has intake tunnel and exhalant canal, ball float and connecting rod thereof and the switching element that can open or close described intake tunnel and exhalant canal, displacement by switching element realizes switch motion, realize that described action must have bigger moment, therefore, the ball float of traditional float-ball type level control switch for water is bigger, and connecting rod is also long, make its manufacture cost higher, application and installation conditions also are restricted.Chinese patent 03225981.6 discloses a kind of float-ball type magnetic switch, and the switch block of this float-ball type magnetic switch utilizes magnetic, and there is a natural attraction between the sexes, principle of same-sex repulsion, thereby the ball float of its use is more much smaller than existing, connecting rod is much shorter also.Described float-ball type magnetic switch and traditional float-ball type level control switch for water are relatively, have greatly improved from consumptive material aspect tool, but its shortcoming is: because existing running water system generally adopts metallic water pipe, because the corrosion of metal often produces iron rust or iron filings in water quality, magnet in the magnetic switch can adsorb iron rust and iron filings, iron rust and iron filings accumulate in the water channel of magnetic switch, make switch block malfunctioning.For guaranteeing the normal use of described magnetic switch, must often unpick and wash magnetic switch, increase the difficulty of maintaining.

For overcoming the deficiency of existing float-ball type magnetic switch, once to float-ball type baroswitch utility model patent of State Intellectual Property Office's application, its structure as shown in Figure 1 for the applicant.Float-ball type baroswitch shown in Figure 1 has simple in structure, characteristics such as volume is little, needn't often unpick and wash, long service life, under normal hydraulic pressure situation, can reach that switch motion is fast, good sealing effect and watertight effect.But its deficiency is when hydraulic pressure lower (for example less than 0.5 barometric pressure), and its switching element---elastic switch pad reset speed is slower, and switch motion is slower, has leakage phenomenon once in a while.

The model utility content:

The purpose of this utility model is to overcome the deficiency of the applicant at the float-ball type baroswitch of first to file, and a kind of improved ball float baroswitch is provided.

The utility model, comprise the base that has intake tunnel and exhalant canal, can open or close the switch block and the control unit of described intake tunnel and exhalant canal, control unit comprises ball float and rocking arm thereof, described switch block comprises the elastic switch pad that is arranged at intake tunnel and exhalant canal intersection, be arranged at the pad support on the elastic switch pad, and the sealed cap that the edge of elastic switch pad is pressed on the base inward flange, be provided with the water inlet micropore that communicates with intake tunnel in the bottom of pad support, above sealed cap, be provided with hold one's breath spilled water hole and extend pipeline section of exhaust, described sealed cap is anchored on it on base by end cap, end cap is provided with and extends the through hole that pipeline section matches, end cap is provided with hinged ear; rocking arm is hinged on the described hinged ear by bearing pin; in the front lower place of rocking arm; be provided with diaphragm seal; diaphragm seal can with the described exhaust spilled water hole involution mutually of holding one's breath, it is characterized in that: on described elastic switch pad, the auxiliary reset shutoff device is set.

The utility model, described auxiliary reset shutoff device can be made of the Returnning spring that is arranged between sealed cap and the pad support.

The utility model, described auxiliary reset shutoff device also can be made of compression bar.The upper end of compression bar is articulated in the front end of described rocking arm by bearing pin, compression bar passes hold one's breath spilled water hole and for gapped cooperation of exhaust, the lower end of compression bar cooperates with the lifting of pad support, on compression bar, be provided with Jie's sheet of fixedlying connected, between Jie's sheet and extension pipeline section top, seal ring be set with it.The sheet of giving an account of can be that consubstantiality is connected with compression bar.

The utility model, have that design science is reasonable, simple in structure, volume is little, needn't often unpick and wash, characteristics such as long service life, under low hydraulic pressure situation, can reach also that switch motion is fast, good sealing effect, the switch effect of never leaking, can be widely used in the automatic control of various water level in water pool.

Description of drawings:

Fig. 1 is the float-ball type baroswitch structure principle chart of the applicant in first to file.

Fig. 2, Fig. 3 are embodiment 1 structural principle schematic representation, and wherein Fig. 2 is " closing " state, and Fig. 3 is " open-minded " state.

Fig. 4-Fig. 6 is embodiment 2 a structural principle schematic representation, and wherein Fig. 4 is " closing " state, and Fig. 5 is " open-minded " state, and Fig. 6 is the Q portion enlarged view of Fig. 4.

Among the figure, 1, ball float 2, connecting rod 3, nut 4, Rocker arm 5, hinged ear 6, bearing pin 7, diaphragm seal 8, end cap 9, base 10, water inlet micropore 11, pad support 12, intake tunnel 13, exhalant canal 14, switch resilient pad 15, sealed cap 16, exhaust hold one's breath spilled water hole 17, extend pipeline section 18, Returnning spring 19, compression bar 20, bearing pin 21, Jie's sheet 22, seal ring.

Embodiment:

Embodiment 1, with reference to Fig. 2-Fig. 3, this ball float baroswitch comprises the base 9 that has intake tunnel 12 and exhalant canal 13, switch block and the control unit that can open or cut out described intake tunnel and exhalant canal.Control unit comprises ball float 1, connecting rod 2 and Rocker arm 4, and an end of connecting rod 2 is connected with ball float 1, and the other end is connected with Rocker arm 4 is universal by screw and nut 3, but the height of free adjusting ball float, thus realize presetting of height of water level.Described switch block comprises the elastic switch pad 14 that is arranged at intake tunnel 12 and exhalant canal 13 intersections, be arranged at the pad support 11 on the elastic switch pad, and the sealed cap 15 that the edge of elastic switch pad is pressed on base 9 inward flanges, be provided with the water inlet micropore 10 that communicates with intake tunnel in the bottom of pad support, above sealed cap, be provided with hold one's breath spilled water hole 16 and extend pipeline section 17 of exhaust, described sealed cap 15 is anchored on it on base by end cap 8, end cap is provided with and extends the through hole that pipeline section 17 matches, end cap 8 is provided with hinged ear 5; Rocker arm 4 is hinged on the described hinged ear 5 by bearing pin 6; front lower place of rocking arm; be provided with diaphragm seal 7, diaphragm seal can with described exhaust spilled water hole 16 involution mutually of holding one's breath.Returnning spring 18 between sealed cap 15 and pad support 11.

Present embodiment is used when being installed in the pond, its working principle is: when drawdown ball float 1 also descends thereupon, connecting rod 2 drives Rocker arm 4 and does counterclockwise to rotate around bearing pin 6, the exhaust this moment spilled water hole 16 of holding one's breath is opened, the pressure of the cavity B that is made of sealed cap 15 and switch resilient pad 14 equates with atmosphere, be the pressure of the interior pressure of cavity B less than hydraulic pressure, under the effect of hydraulic pressure, overcome after the elastic force of Returnning spring 18, switch resilient pad 14 is lifted, thereby has opened the passage of intake tunnel 12 and exhalant canal 13, to the pond water-filling, be that switch is in opening state, as shown in Figure 3; When the water level in the pond rises and when driving ball float 1 and being raised to certain water surface, connecting rod 2 drives Rocker arm 4 and does the clockwise direction rotation around bearing pin 6, diaphragm seal 7 envelopes below before rocking arm 6 are pushed down the exhaust spilled water hole 16 of holding one's breath, be that the exhaust spilled water hole 16 of holding one's breath is closed, because the acting in conjunction of the spring-back force of switch resilient pad 14 and the elastic force of Returnning spring 18, tap water continues to enter cavity B by water inlet micropore 10, be full of water and its pressure equates with the hydraulic pressure of tap water until cavity B, because the pressure of exhalant canal equates with atmospheric pressure, therefore the pressure in the cavity B is greater than atmospheric pressure, switch resilient pad 14 is closely attached on the inlet of exhalant canal, promptly closed exhalant canal 13, stop to the pond water-filling, promptly switch is in closed condition, as shown in Figure 2.The shortcoming of present embodiment is: when hydraulic pressure is extremely low can't overcome the elastic force of Returnning spring the time, the ball float baroswitch can't be opened, can't be to the pond water-filling.

Embodiment 2, with reference to Fig. 4-Fig. 6, this ball float baroswitch, with embodiment 1 relatively, its difference only is the structure of auxiliary reset shutoff device.Embodiment 1 auxiliary reset shutoff device is made of the Returnning spring 18 that is arranged between sealed cap 15 and the pad support 11.And the auxiliary reset shutoff device of present embodiment is made of compression bar 19, the upper end of compression bar is articulated in the front end of described Rocker arm 4 by bearing pin 20, compression bar 19 passes hold one's breath spilled water hole 16 and be gapped the cooperation with hold one's breath spilled water hole 16 of exhaust of exhaust, the lower end of compression bar cooperates with 11 liftings of pad support, on compression bar 19, be provided with Jie's sheet 21 that is connected with its consubstantiality, between Jie's sheet 21 and extension pipeline section 17 tops, seal ring 22 be set.

Present embodiment is used when being installed in the pond, its working principle is: when drawdown ball float 1 also descends thereupon, connecting rod 2 drives Rocker arm 4 and does counterclockwise to rotate around bearing pin 6, and drive compression bar 19 moves up, the exhaust this moment spilled water hole 16 of holding one's breath is opened, the pressure of the cavity B that is made of sealed cap 15 and switch resilient pad 14 equates with atmosphere, be the pressure of the interior pressure of cavity B less than hydraulic pressure, under the effect of hydraulic pressure, switch resilient pad 14 is lifted, thereby has opened the passage of intake tunnel 12 and exhalant canal 13, to the pond water-filling, be that switch is in opening state, as shown in Figure 5; When the water level in the pond rises and when driving ball float 1 and being raised to certain water surface, connecting rod 2 drives Rocker arm 4s and makes clockwise direction around bearing pin 6 and rotate, and seal ring 22 envelopes below Jie's sheet 21 are pushed down the exhaust spilled water hole 16 of holding one's breath, i.e. the exhaust spilled water hole 16 of holding one's breath is closed; Aspect in addition, Rocker arm 4 drives compression bar 19 roof pressure pad support 11 forcibly, makes switch resilient pad 14 be closely attached on the inlet of exhalant canal, has promptly closed exhalant canal 13, stops to the pond water-filling, and promptly switch is in closed condition, as shown in Figure 4.The advantage of present embodiment is: the ball float baroswitch " is opened ", " pass " action is irrelevant with hydraulic pressure, only relevant with water level.

Claims

1, a kind of ball float baroswitch, comprise the base (9) that has intake tunnel (12) and exhalant canal (13), can open or close the switch block and the control unit of described intake tunnel and exhalant canal, control unit comprises ball float (1) and rocking arm (4) thereof, described switch block comprises the elastic switch pad (14) that is arranged at intake tunnel (12) and exhalant canal (13) intersection, be arranged at the pad support (11) on the elastic switch pad, and the sealed cap (15) that the edge of elastic switch pad is pressed on base (9) inward flange, be provided with the water inlet micropore (10) that communicates with intake tunnel in the bottom of pad support, above sealed cap, be provided with hold one's breath spilled water hole (16) and extend pipeline section (17) of exhaust, described sealed cap (15) is anchored on it on base by end cap (8), end cap is provided with and extends the through hole that pipeline section (17) matches, end cap (8) is provided with hinged ear (5); rocking arm (4) is hinged on the described hinged ear (5) by bearing pin (6); the front lower place in rocking arm (4); be provided with diaphragm seal (7); diaphragm seal can with described exhaust spilled water hole (16) involution mutually of holding one's breath; it is characterized in that: on described elastic switch pad (14), the auxiliary reset shutoff device is set.

2, ball float baroswitch according to claim 1 is characterized by: described auxiliary reset shutoff device is made of the Returnning spring (18) that is arranged between sealed cap (15) and the pad support (11).

3, ball float baroswitch according to claim 1, it is characterized by: described auxiliary reset shutoff device is made of compression bar (19), the upper end of compression bar is articulated in the front end of described rocking arm (4) by bearing pin (20), compression bar (19) passes hold one's breath spilled water hole (16) and for gapped cooperation of exhaust, the lower end of compression bar cooperates with pad support (11) lifting, on compression bar (19), be provided with Jie's sheet (21) of fixedlying connected, between Jie's sheet (21) and extension pipeline section (17) top, seal ring (22) be set with it.

4, ball float baroswitch according to claim 3 is characterized by: institute's sheet of giving an account of (21) is connected for consubstantiality with compression bar (19).