CN203131134U - Valve suitable to be installed on air bag product - Google Patents
Valve suitable to be installed on air bag product Download PDFInfo
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- CN203131134U CN203131134U CN 201320088441 CN201320088441U CN203131134U CN 203131134 U CN203131134 U CN 203131134U CN 201320088441 CN201320088441 CN 201320088441 CN 201320088441 U CN201320088441 U CN 201320088441U CN 203131134 U CN203131134 U CN 203131134U
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Abstract
The utility model relates to a valve suitable to be installed on an air bag product. The valve comprises a valve casing. A screw connection portion extending upwards is arranged in the middle on the upper surface of the valve casing, and press covers used for fixing the valve on the air bag product are connected on the periphery of the screw connection portion in a threaded mode. The valve is characterized in that the press covers include a first press cover and a second press cover. The first press cover is located above the second press cover. An inner layer in the air bag product is pressed between the second press cover and the upper end face of the valve casing, and an outer layer in the air bag product is pressed between the first press cover and the second press cover. The valve structure is provided with two fixed positions aiming at the double-layer structure of a used air bag, one fixed position of an inner layer film of the air bag is formed by the second press cover and the upper end face of the valve casing, the other fixed position of an outer layer film of the air bag is formed by means of the first press cover and the second press cover, namely the two layers of film structures of the air bag can be fixed respectively through the valve. The valve is suitable to be installed on the air bag product.
Description
Technical field
The utility model relates to a kind of for the valve that fills exhaust on the equipment of needs inflation, relates in particular to a kind of valve that is fit to be contained on the air bag product.
Background technique
Need the equipment of inflation such as air mattress, inflatable dinghy all to be provided with gas charging valve on it.Conventional gas charging valve comprises housing, has the active chamber that is communicated with working environment and the air-inlet cavity that is in communication with the outside in the housing, is interconnected by valve port between active chamber and the air-inlet cavity, and the valve port position is provided with the mangetic core assembly that keeps the trend of closing under the normality.
As the disclosed Chinese utility model patent of a Chinese patent literature CN2480182Y " gas charging valve of air bed ", the disclosed Chinese utility model patent of Chinese patent literature CN202203458U " a kind of gas charging valve " has all disclosed a kind of like this gas charging valve.
The gas charging valve that aforementioned background patents relates to is that the mode by valve seat is installed on the equipment of needs inflation.The gas charging valve that also has then is installed on the equipment that needs inflation by gland, gland is threaded on the upper periphery wall of valve casing in the gas charging valve, clamp-on the bottom of valve casing in the equipment that needs inflation from inflation inlet during installation, allow the top of valve casing expose outside the equipment that needs inflation, the cross section of valve casing is stepped, then gland is tightened on the upper periphery of valve casing, so just the material of the equipment that the needs of inflation inlet periphery can be inflated is pressed between the outer step surface of gland and valve casing.
If being to use, gas charging valve having on the product of air bag; then existing mounting type just can not be combined by firm and this product; because existing gas charging valve has only a fixed position; and air bag is generally double-layer structure; other hard relatively any materials such as outer normally packing less nylon; play a protective role outside; internal layer is the capsule of other soft materials such as PU normally; if the air bag of double-layer structure directly is compressed on the outer step surface of gland and valve casing; constitute the double layer construction of air bag because friction factor difference each other, air bag easily skids and makes double-layer air bag generation fold.
The mangetic core assembly of gas charging valve adopts the valve block of being made by flexible material in addition, and it only opens valve port by the distortion of valve block, and the deformation extent of valve block is limited, and therefore smaller by the throughput of valve port, charging efficiency is low.Gas charging valve does not generally possess degassing function, though the outlet valve that has can carry out exhaust, but bleeding is very inconvenient, need during exhaust to remain at the state that backs down unidirectional gas charging valve core assembly with finger or instrument, allow no longer shutoff valve port of unidirectional gas charging valve core assembly, valve port keeps often opening trend, carry out exhaust, Chong Qi equipment is bigger if desired, period of exhaust can be very long, exhaust process can allow the people tired like this, and also the meeting that has arranges special venting gas appliance at the equipment of needs inflation, but can increase cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of valve that is fit to be contained on the air bag product at above-mentioned prior art present situation, and this valve can be firm and be installed to easily on the air bag product.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of valve that is fit to be contained on the air bag product, comprise valve casing, have upper gas chamber and lower chamber in the valve casing, be interconnected by valve port between upper gas chamber and the lower chamber, the valve port position is provided with for the mangetic core assembly that opens and closes valve port, the upper surface middle part of valve casing has upwardly extending threaded joints, and the periphery of threaded joints also is threaded in order to valve is fixed to the gland on the air bag product; It is characterized in that: described gland has two to be respectively first gland and second gland, first gland is positioned at the top of second gland, internal layer in the described air bag product is pressed between the upper-end surface of second gland and valve casing, and the skin in the air bag product then is compressed between first gland and second gland.
Be arranged with auxiliary compact heap on the threaded joints between the upper-end surface of above-mentioned second gland and valve casing, screw second gland internal layer in the air bag product is compressed between the upper-end surface of the lower end surface of auxiliary compact heap and valve casing.Auxiliary compact heap can not rotate in compaction process substantially, prevents wearing and tearing inner layer material when compressing internal layer like this; Because the inside and outside two-layer material difference of air bag, we can be more suitable for the internal layer that other soft materials such as PU are made is pressed between valve casing upper-end surface and the auxiliary compact heap like this with assisting compact heap to select for use different materials to make.
Form the first anti-skidding lines on the lower end surface of above-mentioned first gland, arrange the first anti-skidding lines can be with the skin of air bag more firm being pressed between first gland and second gland; Form the second anti-skidding lines on the lower end surface of described auxiliary compact heap and the upper-end surface of valve casing, arrange between can be with the internal layer of the air bag more firm upper-end surface that is pressed on second gland and valve casing of the second anti-skidding lines.
Be convenient second gland that rotates, the side face upper edge circle spacing of above-mentioned second gland is provided with a plurality of axial through holes, can insert by instrument like this and rotate second gland in the through hole; Be convenient first gland that rotates, the upper-end surface of described first gland forms a plurality of upwardly extending pieces of pulling along the circle spacing, pulls piece and provides the force part for rotating first gland, pulls piece in addition and also forms the Embedded Division that is embedded seal ring.
Has ladder hole in the above-mentioned valve casing, the aperture portion of ladder hole forms described upper gas chamber, the macropore portion of ladder hole forms described lower chamber, the aperture portion of ladder hole and the position, boundary of macropore portion form described valve port, the center position of described valve port is provided with the support ring of installing for mangetic core assembly, links to each other by two connecting tendons between the periphery wall of support ring and the inwall of valve port.
Above-mentioned mangetic core assembly comprises valve rod and spring, valve handle activity is located in the support ring, the lower end of valve rod is provided with sealing cover, the periphery of sealing cover is embedded with sealing gasket, described sealing cover and sealing gasket are positioned at lower chamber, described spring housing is located on the valve rod and is positioned at upper gas chamber, this spring action and valve rod make sealing cover and the sealing gasket on the valve rod keep moving the described valve port trend that blocks, be provided with ball pen type spinning position structure between described valve rod and the support ring, this ball pen type spinning position structure makes the downward straight-line while energy circular movement of valve rod, and can be in the valve rod folding process, valve rod is positioned to be displaced downwardly to makes sealing cover and sealing gasket be in the state of opening valve port.
This mangetic core assembly has simple in structure, advantage easy to assembly, when valve rod moved down in addition, sealing gasket left valve port fully, and the spacing between sealing gasket and the valve port is big, so the throughput by valve port is big, inflation and exhaust efficiency height can allow valve rod be positioned at by ball pen type spinning position structure in addition and open the valve port state, exhaust and convenient, hand-free pushes inflatable product simultaneously, improves exhaust efficiency greatly.
Above-mentioned ball pen type spinning position structure comprises, go up steering channel for four, be arranged on position, valve rod periphery wall middle and upper part, the opening of steering channel down on each, be communicated with by last lead-in chamfered between the lower ending opening of steering channel on adjacent two, last lead-in chamfered has four and the true dip direction unanimity of lead-in chamfered on each; Two following shallow slots and two following deep trouths, be crisscross arranged in position, valve rod periphery wall middle and lower part along the circle spacing respectively, the opening of each time shallow slot and following deep trouth up, passing through down between the upper end open of adjacent shallow slot down and following deep trouth, lead-in chamfered is communicated with, and the downward-sloping direction of each time lead-in chamfered is identical and with the setting that is consistent of the acclivitous direction of last lead-in chamfered, in addition, the top of each time shallow slot and following deep trouth is over against last lead-in chamfered, and the top of each time lead-in chamfered is over against last steering channel; Be fixed on two locating columns of support ring bottom, these two locating columns are positioned at same straight line also between left and right every setting, the inner of locating column stretch in the support ring and can be on each steering channel, down in shallow slot and the following deep trouth about slippage, be under the state of opening valve port at valve rod, described two locating columns all contact with the bottom of following shallow slot to stop on the valve rod and move, under the state of deep trouth, valve rod can be moved upward to the sealing cover and the sealing gasket that make on the valve rod and keep moving blocking described valve port under two locating columns all are positioned at.It is few that aforementioned ball pen type spinning position structure relates to parts, compares these parts of a small amount of upperpush rod with traditional ball pen type spinning structure, and the end face tooth cooperating structure between upperpush rod and the following bull stick, convenient processing.
The below of above-mentioned support ring is provided with ring part, described locating column is arranged on the inner circle wall of ring part, the lower, outer perimeter of described support ring is sheathed fixedly to have bottom, the bottom surface of bottom to have the perforation of passing for valve rod, and described ring part is pressed between the lower end surface of the annular bottom surface of bottom and support ring.This structure need not to mold the locating column structure in the support ring of valve casing, simplify the mfg. moulding die structure of valve casing, and this structure assembling is also very convenient in addition.
Be connected with the end cap that upper gas chamber can be covered on the above-mentioned valve casing, the lower end surface of end cap has downward extension and can insert the interior ringwise insertion part of upper gas chamber downwards, the top of insertion part periphery is arranged with seal ring, have two draw-in grooves of joining with described connecting tendon card on the perisporium of insertion part, this draw-in groove is made up of chute portion and horizontal slot part two-part, the opening of described chute portion down, described connecting tendon can enter in the horizontal slot part along chute portion, cover tightly under the state on the valve port at end cap, described connecting tendon is positioned at horizontal slot part, and described seal ring is pressed on the upper-end surface of described threaded joints simultaneously.
End cap is set can make the air bag product in use prevent gas leakage, in addition because end cap is not to be threaded on the threaded joints of valve casing, join but stretch in the upper gas chamber not the connecting tendon card, effectively reduce the height of valve integral body, after air in inflatable product drains, guarantee or be difficult for when depositing inflatable product is caused damage.
Above-mentioned end cap links together by connecting sheet and valve casing, prevents the end cap loss, and described connecting sheet is positioned at the scope that described end cap is covered with, and the last inwall of the upper end of connecting sheet and end cap is fixed, and the lower end of connecting sheet is set on described first gland.Because connecting sheet integral body is hidden in the gland, makes gas charging valve monnolithic case slyness more attractive in appearance, avoid occurring twining, and connecting sheet is difficult for and inflatable product hangs, and can not cut inflatable product.
Compared with prior art, advantage of the present utility model is: at the double layer construction of the air bag that uses, this valve arrangement has also designed two fixed positions, upper-end surface by second gland and valve casing forms a fixed position to the inner layer film of air bag, by first gland and second gland outer membrane of air bag is formed a fixed position, that is to say that this valve can be fixing respectively to the two-layer film configuration of air bag, is a kind of valve that is fit to be installed on the air bag product.
Description of drawings
Fig. 1 is the utility model embodiment's front view;
Fig. 2 is the utility model embodiment's schematic perspective view;
Fig. 3 is the utility model embodiment's sectional view (valve rod is in closed condition);
Fig. 4 is the utility model embodiment's sectional view (valve rod is in inflated condition);
Fig. 5 is the utility model embodiment's sectional view (valve rod is in exhaust condition);
Fig. 6 is the utility model embodiment's three-dimensional exploded view;
Fig. 7 removes schematic perspective view behind the end cap for the utility model embodiment;
Fig. 8 is the schematic perspective view of valve casing among the utility model embodiment;
Fig. 9 is the schematic perspective view of valve rod among the utility model embodiment;
Figure 10 is the schematic perspective view of end cap among the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～10, be a preferred embodiment of the present utility model.
A kind of valve that is fit to be contained on the air bag product, comprise valve casing 1, valve casing 1 is inverted T-shape, have upper gas chamber 11 and lower chamber 12 in the valve casing 1, the external diameter of upper gas chamber 11 is less than the external diameter of lower chamber 12, be interconnected by valve port 13 between upper gas chamber 11 and the lower chamber 12, has ladder hole in the valve casing 1, the aperture portion of ladder hole forms aforesaid upper gas chamber 11, the macropore portion of ladder hole forms aforesaid lower chamber 12, and the aperture portion 11 of ladder hole and the position, boundary of macropore portion 12 form aforesaid valve port 13.
Valve port 13 positions are provided with for the mangetic core assembly that opens and closes valve port 13, and the center position of valve port 13 is provided with the support ring of installing for mangetic core assembly 4, link to each other by two connecting tendons 16 between the inwall of the periphery wall of support ring 4 and valve port 13.
Mangetic core assembly comprises valve rod 5 and spring 53, valve rod 5 activities are located in the support ring 4, the lower end of valve rod 5 is provided with sealing cover 51, the periphery of sealing cover 51 is embedded with sealing gasket 52, sealing cover 51 and sealing gasket 52 are positioned at lower chamber 12, spring 6 is set on the valve rod 5 and is positioned at upper gas chamber 11, these spring 53 effects make sealing cover 51 and sealing gasket 52 on the valve rod keep moving valve port 13 trend that block with valve rod 5, be provided with ball pen type spinning position structure between valve rod 5 and the support ring 4, this ball pen type spinning position structure makes the downward straight-line while energy circular movement of valve rod 5, and can be in valve rod 5 folding processes, valve rod 5 is positioned to be displaced downwardly to makes sealing cover 51 and sealing gasket 52 be in the state of opening valve port 13.
Ball pen type spinning position structure comprises,
Go up steering channel 6 for four, be arranged on position, valve rod 5 periphery wall middle and upper part, the opening of steering channel 6 is communicated with by last lead-in chamfered 61 between the lower ending opening of steering channel 6 on adjacent two down on each, and last lead-in chamfered 61 has four and the true dip direction unanimity of lead-in chamfered 61 on each.
Two following shallow slot 7a and two following deep trouth 7b, be crisscross arranged in position, valve rod 5 periphery wall middle and lower part along the circle spacing respectively, the opening of each time shallow slot 7a and following deep trouth 7b up, passing through down between the upper end open of adjacent shallow slot 7a down and following deep trouth 7b, lead-in chamfered 71 is communicated with, and each time lead-in chamfered 71 downward-sloping directions are identical, and each time lead-in chamfered 71 shallow slot 7a downward-sloping setting gradually down, it is aforementioned that to go up the downward-sloping direction of lead-in chamfered 61 acclivitous directions and following lead-in chamfered 71 consistent, in addition, the top of each time shallow slot 7a and following deep trouth 7b is over against last lead-in chamfered 61, and the top of each time lead-in chamfered 71 is over against last steering channel 6.
Be fixed on two locating columns 81 of support ring 4 bottoms, these two locating columns 81 are positioned at same straight line also between left and right every setting, the inner of locating column 81 stretch in the support ring 4 and can be on each steering channel 6, down in shallow slot 7a and the following deep trouth 7b about slippage, be under the state of opening valve port 13 at valve rod 5, two locating columns 81 all contact with the bottom of following shallow slot 7a to stop on the valve rod 5 and move, under the state of deep trouth 7b, valve rod 5 can be moved upward to the sealing cover 51 and the sealing gasket 52 that make on the valve rod 5 and keep moving blocking valve port 13 under two locating columns 81 all are positioned at.
The below of support ring 4 is provided with ring part 8, locating column 81 is arranged on the inner circle wall of ring part 8, the lower, outer perimeter of support ring 4 is sheathed fixedly bottom 82, the bottom surface of bottom 82 has the perforation 821 of passing for valve rod 5, and ring part 8 is pressed between the lower end surface of the annular bottom surface of bottom 82 and support ring 4.
The upper surface middle part of valve casing 1 has upwardly extending threaded joints 14, and the periphery of threaded joints 14 also is threaded in order to valve is fixed to the gland on the air bag product; Gland has two to be respectively the first gland 3a and the second gland 3b, the first gland 3a is positioned at the top of the second gland 3b, internal layer 2a in the air bag product is pressed between the upper-end surface 15 of the second gland 3b and valve casing, form the first anti-skidding lines 31 on the lower end surface of the first gland 3a, the outer 2b in the air bag product then is compressed between the first gland 3a and the second gland 3b.Be arranged with auxiliary compact heap 3c on the threaded joints between the upper-end surface of the second gland 3b and valve casing 1, screw the second gland 3b internal layer 2a in the air bag product is compressed between the upper-end surface 15 of the lower end surface of auxiliary compact heap 3c and valve casing.Form the second anti-skidding lines 32 on the lower end surface of auxiliary compact heap 3c and the upper-end surface 15 of valve casing.
The side face upper edge circle spacing of the second gland 3b is provided with a plurality of axial through holes 33; The upper-end surface of the first gland 3a forms a plurality of upwardly extending pieces 34 of pulling along the circle spacing.
Be connected with the end cap 9 that upper gas chamber 11 can be covered on the valve casing 1, the lower end surface of end cap 9 has downward extension and can insert the interior ringwise insertion part 91 of upper gas chamber downwards, the top of insertion part 91 peripheries is arranged with seal ring 92, have two draw-in grooves 93 of joining with the connecting tendon card on the perisporium of insertion part 91, this draw-in groove 93 is made up of chute portion 931 and horizontal slot part 932 two-part, the opening of chute portion 931 down, connecting tendon 16 can enter in the horizontal slot part 932 along chute portion 931, cover tightly under the state on the valve port 13 at end cap 9, connecting tendon 16 is positioned at horizontal slot part 932, and seal ring 92 is pressed on the upper-end surface of threaded joints 14 simultaneously.
End cap 9 links together by connecting sheet 10 and valve casing 1, and connecting sheet 10 is positioned at the scope that end cap 9 is covered with, and the last inwall of the upper end of connecting sheet 9 and end cap 9 is fixed, and the lower end of connecting sheet 10 is set on the first gland 3a.
As shown in Figure 3, during use, clamp-on lower chamber 12 peripheries of valve casing in the mounting hole of air bag product from inflation inlet, allow the internal layer 2a of air bag product be shelved on the upper-end surface of valve casing, screw the second gland 3b then, the moving down of the second gland 3b drives auxiliary compact heap 3c and presses down, and the internal layer 2a in the air bag product is compressed between the upper-end surface 15 of the lower end surface of auxiliary compact heap 3c and valve casing; Then the outer 2b in the air bag product is shelved on the upper-end surface of the second gland 3b, pinches with hand then and pull piece 34 and screw the first gland 3a, the outer 2b in the air bag product is compressed between the first gland 3a and the second gland 3b, finishes the installation to valve.
As shown in Figure 3, under normal state, locating column 81 is positioned at deep trouth 7b down, and sealing cover 51 and the sealing gasket 52 of mangetic core assembly on spring 4 effect lower valve rods keeps moving blocking valve port 13, prevents that gas leakage from screwing end cap 9 simultaneously.
Charging air inlet with charger during inflation is connected on the upper gas chamber 11, and as shown in Figure 4, charger can back down valve rod 5 and move down, and makes sealing cover 51 and sealing gasket 52 be in the state of opening valve port 13.Gas enters in the lower chamber 12 through behind the valve port 13, finishes inflation.
As shown in Figure 5, during exhaust, press down valve rod 5, locating column 81 is along moving on the deep trouth 7b down, upwards touch lead-in chamfered until locating column 81, when valve rod continues to move down, valve rod is at the locating column barrier effect, simultaneously the guiding by last lead-in chamfered, impel valve rod deflection, locating column just slides in the adjacent last steering channel like this, looses one's grip, and valve rod moves under spring action, contact with following lead-in chamfered until locating column, under following lead-in chamfered effect, valve rod continues deflection, makes locating column slide to down shallow slot, continue to move at the spring action lower valve rod, valve rod is conflicted to stop on the valve rod 5 with the bottom of following shallow slot and is moved, and the sealing cover 51 on the valve rod 5 and sealing gasket 52 remain on the state of opening valve port that is in, and bleeding is convenient.
When closing, continue to press valve rod, valve rod deflection makes locating column slide to down deep trouth, and valve rod 5 can be moved upward to the sealing cover 51 and the sealing gasket 52 that make on the valve rod 5 and keep moving blocking valve port 13.
Claims (10)
1. valve that is fit to be contained on the air bag product, comprise valve casing (1), have upper gas chamber (11) and lower chamber (12) in the valve casing (1), be interconnected by valve port (13) between upper gas chamber (11) and the lower chamber (12), valve port (13) position is provided with for the mangetic core assembly that opens and closes valve port (13), the upper surface middle part of valve casing (1) has upwardly extending threaded joints (14), and the periphery of threaded joints (14) also is threaded in order to valve is fixed to the gland on the air bag product; It is characterized in that: described gland has two to be respectively first gland (3a) and second gland (3b), first gland (3a) is positioned at the top of second gland (3b), internal layer (2a) in the described air bag product is pressed between the upper-end surface (15) of second gland (3b) and valve casing, and the skin in the air bag product (2b) then is compressed between first gland (3a) and second gland (3b).
2. the valve that is fit to be contained on the air bag product according to claim 1, it is characterized in that: be arranged with auxiliary compact heap (3c) on the threaded joints between the upper-end surface of described second gland (3b) and valve casing (1), screw second gland (3b) internal layer in the air bag product (2a) is compressed between the upper-end surface (15) of the lower end surface of auxiliary compact heap (3c) and valve casing.
3. the valve that is fit to be contained on the air bag product according to claim 2, it is characterized in that: form the first anti-skidding lines (31) on the lower end surface of described first gland (3a), form the second anti-skidding lines (32) on the upper-end surface (15) of the lower end surface of described auxiliary compact heap (3c) and valve casing.
4. the valve that is fit to be contained on the air bag product according to claim 2, it is characterized in that: the side face upper edge circle spacing of described second gland (3b) is provided with a plurality of axial through holes (33); The upper-end surface of described first gland (3a) forms a plurality of upwardly extending pieces (34) of pulling along the circle spacing.
5. according to arbitrary described valve that is fit to be contained on the air bag product in the claim 1～4, it is characterized in that: described valve casing has ladder hole in (1), the aperture portion of ladder hole forms described upper gas chamber (11), the macropore portion of ladder hole forms described lower chamber (12), the aperture portion (11) of ladder hole and the position, boundary of macropore portion (12) form described valve port (13), the center position of described valve port (13) is provided with the support ring of installing for mangetic core assembly (4), links to each other by two connecting tendons (16) between the periphery wall of support ring (4) and the inwall of valve port (13).
6. the valve that is fit to be contained on the air bag product according to claim 5, it is characterized in that: described mangetic core assembly comprises valve rod (5) and spring (53), valve rod (5) activity is located in the support ring (4), the lower end of valve rod (5) is provided with sealing cover (51), the periphery of sealing cover (51) is embedded with sealing gasket (52), sealing cover (51) and sealing gasket (52) are positioned at lower chamber (12), described spring (6) is set in valve rod (5) upward and is positioned at upper gas chamber (11), this spring (53) effect makes sealing cover (51) and sealing gasket (52) on the valve rod keep moving described valve port (13) trend that blocks with valve rod (5), be provided with ball pen type spinning position structure between described valve rod (5) and the support ring (4), this ball pen type spinning position structure makes the downward straight-line while energy circular movement of valve rod (5), and can be in valve rod (5) folding process, valve rod (5) is positioned to be displaced downwardly to makes sealing cover (51) and sealing gasket (52) be in the state of opening valve port (13).
7. the valve that is fit to be contained on the air bag product according to claim 6 is characterized in that: described ball pen type spinning position structure comprises,
Go up steering channel (6) for four, be arranged on position, valve rod (5) periphery wall middle and upper part, the opening of steering channel on each (6) down, be communicated with by last lead-in chamfered (61) between the lower ending opening of steering channel on adjacent two (6), last lead-in chamfered (61) has four and the true dip direction unanimity of lead-in chamfered (61) on each;
Two following shallow slots (7a) and two following deep trouths (7b), be crisscross arranged in position, valve rod (5) periphery wall middle and lower part along the circle spacing respectively, the opening of each time shallow slot (7a) and following deep trouth (7b) up, passing through down between the upper end open of adjacent shallow slot (7a) down and following deep trouth (7b), lead-in chamfered (71) is communicated with, and each time lead-in chamfered (71) downward-sloping identical and with the setting that is consistent of the acclivitous direction of last lead-in chamfered (61), in addition, the top of each time shallow slot (7a) and following deep trouth (7b) is over against last lead-in chamfered (61), and the top of each time lead-in chamfered (71) is over against last steering channel (6);
Be fixed on two locating columns (81) of support ring (4) bottom, these two locating columns (81) are positioned at same straight line also between left and right every setting, the inner of locating column (81) stretch in the support ring (4) and can be on each steering channel (6), slippage up and down in following shallow slot (7a) and the following deep trouth (7b), be under the state of opening valve port (13) at valve rod (5), described two locating columns (81) all contact with the bottom of following shallow slot (7a) to stop on the valve rod (5) and move, under the state of deep trouth (7b), valve rod (5) can be moved upward to the sealing cover (51) and the sealing gasket (52) that make on the valve rod (5) and keep moving blocking described valve port (13) under two locating columns (81) all are positioned at.
8. the valve that is fit to be contained on the air bag product according to claim 7, it is characterized in that: the below of described support ring (4) is provided with ring part (8), described locating column (81) is arranged on the inner circle wall of ring part (8), the lower, outer perimeter of described support ring (4) is sheathed fixedly bottom (82), the bottom surface of bottom (82) has for valve rod (5) perforation (821) of passing, and described ring part (8) is pressed between the lower end surface of the annular bottom surface of bottom (82) and support ring (4).
9. the valve that is fit to be contained on the air bag product according to claim 5, it is characterized in that: be connected with the end cap (9) that upper gas chamber (11) can be covered on the described valve casing (1), the lower end surface of end cap (9) has downward extension and can insert the interior ringwise insertion part (91) of upper gas chamber downwards, the top of insertion part (91) periphery is arranged with seal ring (92), have two draw-in grooves (93) of joining with described connecting tendon card on the perisporium of insertion part (91), this draw-in groove (93) is made up of chute portion (931) and horizontal slot part (932) two-part, the opening of described chute portion (931) down, described connecting tendon (16) can enter in the horizontal slot part (932) along chute portion (931), cover tightly under the state on the valve port (13) at end cap (9), described connecting tendon (16) is positioned at horizontal slot part (932), and described seal ring (92) is pressed on the upper-end surface of described threaded joints (14) simultaneously.
10. the valve that is fit to be contained on the air bag product according to claim 9, it is characterized in that: described end cap (9) links together by connecting sheet (10) and valve casing (1), described connecting sheet (10) is positioned at the scope that described end cap (9) is covered with, the last inwall of the upper end of connecting sheet (9) and end cap (9) is fixed, and the lower end of connecting sheet (10) is set on described first gland (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088441 CN203131134U (en) | 2013-02-27 | 2013-02-27 | Valve suitable to be installed on air bag product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088441 CN203131134U (en) | 2013-02-27 | 2013-02-27 | Valve suitable to be installed on air bag product |
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| Publication Number | Publication Date |
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| CN203131134U true CN203131134U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088441 Expired - Fee Related CN203131134U (en) | 2013-02-27 | 2013-02-27 | Valve suitable to be installed on air bag product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148249A (en) * | 2013-02-27 | 2013-06-12 | 宁波布拉沃冲气具制造有限公司 | Valve suitable for being mounted on airbag product |
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2013
- 2013-02-27 CN CN 201320088441 patent/CN203131134U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148249A (en) * | 2013-02-27 | 2013-06-12 | 宁波布拉沃冲气具制造有限公司 | Valve suitable for being mounted on airbag product |
| CN103148249B (en) * | 2013-02-27 | 2015-09-02 | 宁波布拉沃冲气具制造有限公司 | A kind of being applicable to, is contained in the valve on air bag product |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |