CN203500723U - Quick couplings - Google Patents
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- CN203500723U CN203500723U CN201320566489.XU CN201320566489U CN203500723U CN 203500723 U CN203500723 U CN 203500723U CN 201320566489 U CN201320566489 U CN 201320566489U CN 203500723 U CN203500723 U CN 203500723U
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- pipe joint
- elastic element
- rapid pipe
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Abstract
The utility model discloses quick couplings. The quick coupling is characterized in that: the quick coupling comprises a first quick coupling and a second quick coupling; a first check valve part and a second check valve part are arranged in the first quick coupling and the second quick coupling; and the quick coupling further comprises a push rod, one end of which is arranged in the second quick coupling and a through hole penetrating through two ends of the push rod is arranged in the push rod. When a fluid pipeline needs to be connected, the two quick couplings can be driven to perform relative motion so that the push rod is inserted into the first quick coupling and the first check valve part and the second check valve part are opened at the same time and a flow channel in the first check valve part is in communication with a flow channel in the second check valve part via the through hole of the push rod. When a fluid pipeline needs to be disconnected, the two quick couplings can be driven to perform relative motion so that the push rod draws back to the first quick coupling and the first check valve part and the second check valve part are closed simultaneously. The quick couplings are convenient in operation and can be broadly used for occasions in need of frequent connection and disconnection of fluid pipelines in various industries.
Description
Technical field
The utility model relates to fluid pipage control technical field, particularly a kind ofly can be used for the rapid pipe joint that fluid circuit connects continually, dismantles.
Background technique
In some Liang Ge mechanism, need asynchronous movement, and can not use that occasion that fixing fluid circuit connects is for example current to be connected with the fluid circuit between tool magazine for fixedly securing the hydraulic chuck of cutter, also for example tool rest is arranged on facing head, and tool rest can not be used swivel joint to connect oil circuit situation; Also for example tool rest is followed main shaft rotation, can not use the fixedly situation of oil pipe.These occasions often need rapid pipe joint, when stopping the rotation, connect, and when needing to rotate, dismantle.
But there is the problem of complex structure, inconvenient operation in some current rapid pipe joints.
Model utility content
Technical problem to be solved in the utility model is for shortcomings and deficiencies of the prior art, by a kind of rapid pipe joint easy to operate, simple in structure, to address the above problem.
The technical problem that the utility model solves can realize by the following technical solutions:
A rapid pipe joint, comprising:
One is arranged on the first rapid pipe joint on first device, in described the first rapid pipe joint, disposes the first one-way valve member;
One is arranged on the second rapid pipe joint on the second device, in described the second rapid pipe joint, disposes the second one-way valve member;
One end is configured in the push rod in described the second rapid pipe joint, and the other end of push rod extends outside described the second rapid pipe joint, in described push rod or on there is the through hole that runs through push rod two ends;
When the fluid circuit between first device and the second device is when need to be connected, drive first device and the second device to produce relative movement, described push rod is inserted in described the first rapid pipe joint and simultaneously opens the second one-way valve member in the first one-way valve member in the first rapid pipe joint and the second rapid pipe joint, runner in the first one-way valve member is set up and is communicated with the runner in the second one-way valve member by the through hole in push rod, and first device is communicated with the fluid circuit between the second device; When the fluid circuit between first device and the second device need to be dismantled, drive first device and the second device to produce move toward one another, make described push rod exit described the first rapid pipe joint, the first one-way valve member in the first rapid pipe joint and the second one-way valve member in the second rapid pipe joint are closed simultaneously, and the fluid circuit between first device and the second device is disconnected.
In a preferred embodiment of the present utility model, described the first rapid pipe joint also comprises:
The first valve body, described the first valve body has one in order to the first inner chamber, first flow hole and first counterbore of the first one-way valve member to be installed, wherein first flow hole is between described the first inner chamber and the first counterbore, and the internal diameter in first flow hole is less than the internal diameter of described the first counterbore; Described the first one-way valve member is arranged in described the first inner chamber; The first mouth hole in described the first one-way valve member is near first flow hole;
The first valve gap, described the first valve gap is arranged on described the first valve body away from one end of the first counterbore, this first valve gap is limited in described the first one-way valve member in described the first inner chamber, on described the first valve gap, offer the first mouth and connect hole, the first mouth connects hole and is communicated with the fluid circuit in first device by fluid circuit, and this first mouth connects hole and is also communicated with the runner in described the first one-way valve member;
The first gland, described the first gland is arranged on described the first valve body and one end of contiguous the first counterbore, and the center of described the first gland offers the first center hole inserting for described push rod;
The first seal ring, described the first seal ring is arranged in the first counterbore and relies on the interior edge face of the first counterbore jointly to limit its axial position together with the first gland, and described first flow hole and the first endoporus of the first seal ring, the first center hole on the first gland are coaxial.
In a preferred embodiment of the present utility model, described the first one-way valve member comprises:
The first spool, the profile of described the first spool consists of the first large diameter cylindrical surface, the first small-diameter circular cylinder and one section of first sealing male cone (strobilus masculinus), wherein between the inner cavity surface of the first inner chamber in the first large diameter cylindrical surface and described the first valve body, form being sealed and matched of sliding, the external diameter of the first small-diameter circular cylinder is less than the internal diameter of described the first inner chamber, makes to form a first fluid chamber between the first small-diameter circular cylinder and the inner cavity surface of the first inner chamber; In described the first spool, be provided with the first coaxial elastic element installation cavity and the first center flow channels hole, the first small diameter cylinders face position at the first spool is evenly equipped with some the first small flow channels holes that distribute radially, in some the first small flow channels holes, be communicated with the first center flow channels hole in the first spool, be communicated with first fluid chamber outward; Described the first elastic element installation cavity connects by described the first center flow channels hole, some the first small flow channels holes and first fluid chamber on the one hand, connects hole be on the other hand communicated with the first mouth on described the first valve gap;
The first valve seat, described the first valve seat is fixed in described the first inner chamber and contiguous first flow hole, the endoporus of described the first valve seat forms described the first mouth hole, at the endoporus of described the first valve seat, near a side of the first spool, is provided with the sealing of first on described the first spool male cone (strobilus masculinus) and coordinates the first interior sealing cone sealing; At described the first sealing male cone (strobilus masculinus) with described the first interior sealing cone when separated, the perforation of the endoporus of first fluid chamber and the first valve seat;
The first elastic element, one end of described the first elastic element is against on described the first valve gap, and the other end of the first elastic element inserts in the first elastic element installation cavity of described the first spool and at the bottom of being against the chamber of the first elastic element installation cavity;
Wherein the first elastic element installation cavity in the first spool, the first center flow channels hole, some the first small flow channels holes and first fluid chamber form the runner in described the first one-way valve member.
In a preferred embodiment of the present utility model, in described the first valve gap, be provided with the first elastic element and take up chamber, at the bottom of one end of described the first elastic element is inserted described the first elastic element and taken up in chamber and be against the chamber that the first elastic element takes up chamber, the first elastic element takes up chamber and connects hole with the first mouth and be communicated with.
In a preferred embodiment of the present utility model, described the second rapid pipe joint also comprises:
The second valve body, described the second valve body has one in order to the second inner chamber, the second center hole and second shoulder hole of the second one-way valve member to be installed, wherein the second shoulder hole is between described second body cavity and the second center hole, the internal diameter of the second center hole is less than the internal diameter of described the second shoulder hole, and the internal diameter of the second shoulder hole is less than again the internal diameter of the second inner chamber; Described the second one-way valve member is arranged in described the second inner chamber; The second mouth hole in described the second one-way valve member is near the second shoulder hole;
The second valve gap, described the second valve gap is arranged on described the second valve body away from one end of the second center hole, this second valve gap is limited in described the second one-way valve member in described the second inner chamber, at described second valve, cover and offer the second mouth and connect hole, the fluid circuit that the second mouth connects in hole and the second device is communicated with; This second mouth connects hole and is also communicated with the runner in described the second one-way valve member;
One end that described push rod is inserted in described the second valve body by described the second center hole and second step hole is provided with a step, described step can be in described second step hole axial float, described push rod inserts one end end face in described the second valve body and the end contact of the second spool in described the second one-way valve member.
In a preferred embodiment of the present utility model, described the second one-way valve member comprises:
The second spool, the profile of described the second spool consists of the second large diameter cylindrical surface, the second small-diameter circular cylinder and one section of second sealing male cone (strobilus masculinus), wherein between the inner cavity surface of the second inner chamber in the second large diameter cylindrical surface and described the second valve body, form being sealed and matched of sliding, the external diameter of the second small-diameter circular cylinder is less than the internal diameter of described the second inner chamber, makes to form a second fluid chamber between the second small-diameter circular cylinder and the inner cavity surface of the second inner chamber; At described second valve in-core, be provided with the second coaxial elastic element installation cavity and the second center flow channels hole, small diameter cylinders face position at the second spool is evenly equipped with some the second small flow channels holes that distribute radially, in some the second small flow channels holes, be communicated with the second center flow channels hole of second valve in-core, be communicated with second fluid chamber outward, described the second elastic element installation cavity connects by described the second center flow channels hole, some the second small flow channels holes and second fluid chamber on the one hand, and the second mouth covering with described second valve on the other hand connects hole and is communicated with;
The second valve seat, described the second valve seat is fixed in described the second inner chamber and contiguous the second shoulder hole, the endoporus of described the second valve seat forms described the second mouth hole, at the endoporus of described the second valve seat, near a side of the second spool, is provided with the sealing of second on described the second spool male cone (strobilus masculinus) and coordinates the second interior sealing cone sealing; At described the second sealing male cone (strobilus masculinus) with described the second interior sealing cone when separated, the perforation of the endoporus of second fluid chamber and the second valve seat;
The second elastic element, one end of described the second elastic element is against described second valve and covers, and the other end of the second elastic element inserts in the second elastic element installation cavity of described the second spool and at the bottom of being against the chamber of the second elastic element installation cavity.
In a preferred embodiment of the present utility model, in described the second valve gap, be provided with the second elastic element and take up chamber, at the bottom of one end of described the second elastic element is inserted described the second elastic element and taken up in chamber and be against the chamber that the second elastic element takes up chamber, the second elastic element takes up chamber and connects hole with the second mouth and be communicated with.
Owing to having adopted technological scheme as above, when the fluid circuit between first device and the second device is when need to be connected, drive first device and the second device to produce relative movement, described push rod is inserted in described the first rapid pipe joint and simultaneously opens the second one-way valve member in the first one-way valve member in the first rapid pipe joint and the second rapid pipe joint, runner in the first one-way valve member is set up and is communicated with the runner in the second one-way valve member by the through hole in push rod, and first device is communicated with the fluid circuit between the second device; When the fluid circuit between first device and the second device need to be dismantled, drive first device and the second device to produce move toward one another, make described push rod exit described the first rapid pipe joint, the first one-way valve member in the first rapid pipe joint and the second one-way valve member in the second rapid pipe joint are closed simultaneously, and the fluid circuit between first device and the second device is disconnected.
The utility model is simple in structure, easy to operate, can be widely used in the occasion that the fluid circuit in every profession and trade need to connect continually, dismantle.For example for fixedly securing the hydraulic chuck of cutter, be connected with the fluid circuit between tool magazine.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the utility model rapid pipe joint is applied to the structural representation that the hydraulic chuck of fixed cutting tool is connected with fluid circuit between tool magazine.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Below described embodiment be that the hydraulic chuck that rapid pipe joint of the present utility model is applied to fixed cutting tool is connected with the fluid circuit between tool magazine, wherein first device is the tool rest 2000 being fixed on facing head, the second device is tool magazine 1000, and medium adopts hydraulic oil.Certain rapid pipe joint of the present utility model can also need asynchronous movement for more some Liang Ge mechanism, and can not use the occasion that fixedly fluid circuit connects, and medium can be gas, water and other mobile medium.For medium, be hydraulic oil, in the following describes, technological scheme according in model utility content is suitably revised some technical name, although these technical name have been carried out to adaptive modification, but still substantial identical with the technological scheme of model utility content.
A kind of rapid pipe joint that the hydraulic chuck of fixed cutting tool is connected with fluid circuit between tool magazine that is applied to shown in Figure 1, comprises the rapid pipe joint 100 that is arranged on tool rest 2000, is arranged on rapid pipe joint 200 and push rod 300 on tool magazine 1000.
The interior one-way valve member that all disposes of rapid pipe joint 100,200, the one-way valve member being configured in rapid pipe joint 100 comprises spool 150, valve seat 160, spring 170, and the one-way valve member being configured in rapid pipe joint 200 comprises spool 250, valve seat 260, spring 270.
Rapid pipe joint 100 comprises valve body 110, valve gap 120, gland 130, seal ring 140.Valve body 110 has one in order to inner chamber 111, oil-through hole 112 and the counterbore 113 of one-way valve member to be installed, and oil-through hole 112 is between inner chamber 111 and counterbore 113, and the internal diameter of oil-through hole 112 is less than the internal diameter of counterbore 113; One-way valve member is arranged in inner chamber 111, and the oil nozzle hole in one-way valve member is near oil-through hole 112, and the oil nozzle hole 161 that endoporus of valve seat 160 forms is near oil-through hole 112.
Valve gap 120 is arranged on valve body 110 away from one end of counterbore 113, this valve gap 120 is limited in one-way valve member in inner chamber 111, on valve gap 120, offer oil nozzle and connect hole 121, oil nozzle connects hole 121 and is communicated with the oil pocket in tool rest 2000 by oil pipe, this oil nozzle connects hole 121 and is also communicated with the oil duct in one-way valve member, in valve gap 120, be provided with spring and take up chamber 122, spring takes up chamber 122 and connects hole 121 with oil nozzle and be communicated with.
The profile of spool 150 consists of large diameter cylindrical surface 151, small-diameter circular cylinder 152 and one section of sealing male cone (strobilus masculinus) 153, wherein between the inner cavity surface of the inner chamber 111 in large diameter cylindrical surface 151 and valve body 110, form being sealed and matched of sliding, the external diameter of small-diameter circular cylinder 152 is less than the internal diameter of inner chamber 111, makes to form a grease chamber 115 between small-diameter circular cylinder 152 and the inner cavity surface of inner chamber 111; In spool 150, be provided with coaxial spring fitting Qiang117He center oilhole 116, at small-diameter circular cylinder 152 positions of spool 150, be evenly equipped with some little oilhole 152a that distribute radially, in some little oilhole 152a, be communicated with spool 150Nei center oilhole 116, Wai Yu grease chamber 115 is communicated with, spring fitting chamber 117 is on the one hand by center oilhole 116, some little oilhole 152a and grease chamber's 115 perforations, connects hole 121 be on the other hand communicated with oil nozzle on valve gap 120.
At the bottom of one end of spring 170 is inserted spring and taken up in chamber 122 and be against the chamber that spring takes up chamber 122, the other end inserts in the spring fitting chamber 117 of spool 150 and at the bottom of being against the chamber in spring fitting chamber 117.
Oil duct in the one-way valve member that wherein the spring fitting chamber 117 in spool 150, center oilhole 116, some little oilhole 152a and grease chamber 115 form in rapid pipe joint 100.
Valve gap 220 is arranged on valve body 210 away from one end of shoulder hole 213, this valve gap 220 is limited in one-way valve member in inner chamber 211, on valve gap 220, offer oil nozzle and connect hole 221, oil nozzle connects hole 221 and is communicated with the hydraulic system of tool magazine 1000, this oil nozzle connects hole 221 and is also communicated with the oil duct in one-way valve member, in valve gap 220, be provided with spring and take up chamber 222, spring takes up chamber 222 and connects hole 221 with oil nozzle and be communicated with.
The profile of spool 250 consists of large diameter cylindrical surface 251, small-diameter circular cylinder 252 and one section of sealing male cone (strobilus masculinus) 253, wherein between the inner cavity surface of the inner chamber 214 in large diameter cylindrical surface 251 and valve body 210, form being sealed and matched of sliding, the external diameter of small-diameter circular cylinder 252 is less than the internal diameter of inner chamber 214, makes to form a grease chamber 215 between small-diameter circular cylinder 252 and the inner cavity surface of inner chamber 214; In spool 250, be provided with coaxial spring fitting Qiang217He center oilhole 216, at small-diameter circular cylinder 252 positions of spool 250, be evenly equipped with some little oilhole 152b that distribute radially, in some little oilhole 152b, be communicated with spool 250Nei center oilhole 216, Wai Yu grease chamber 215 is communicated with, spring fitting chamber 217 is on the one hand by center oilhole 216, some little oilhole 152b and grease chamber's 215 perforations, connects hole 221 be on the other hand communicated with oil nozzle on valve gap 220.
At the bottom of one end of spring 270 is inserted spring and taken up in chamber 222 and be against the chamber that spring takes up chamber 222, the other end inserts in the spring fitting chamber 217 of spool 250 and at the bottom of being against the chamber in spring fitting chamber 217.
Oil duct in the one-way valve member that wherein the spring fitting chamber 217 in spool 250, center oilhole 216, some little oilhole 252a and grease chamber 215 form in rapid pipe joint 200.
In push rod 300, there is the through hole 310 that runs through push rod 300 two ends, through hole 310 is by the axial hole 311 and the radial hole 312a that is separately positioned on and the perforation vertical with axial oil through 311 on push rod 500 two ends that run through push rod 300 two ends, 312b forms, one end that push rod 300 is configured in valve body 210 is provided with a step 320, step 320 can be at the interior axial float of step hole 223, one end end face in push rod 300 insertion valve bodies 210 and the end contact of the spool 250 in one-way valve member, the other end of push rod 300 extends the outer rear center hole 131 through rapid pipe joint 100 of rapid pipe joint 200, the endoporus 141 of seal ring 140, in the rear insertion rapid pipe joint 100 of oil-through hole 112, and the end contact with spool 150.
Working principle of the present utility model is as follows:
When automatic hydraulic tool changer needs tool changing, tool magazine 1000 moves to tool rest 2000 positions according to original mode, at this moment following rapid pipe joint 200 that tool magazine moves will drive push rod 300 and the other end of push rod 300 is inserted in rapid pipe joint 100 and simultaneously the one-way valve member of rapid pipe joint 100 and rapid pipe joint 200 internal check valve parts will be opened, now, through hole 310 in push rod 300 is communicated with rapid pipe joint 100 and rapid pipe joint 200, oil pressure in the hydraulic system of reduction tool magazine, oil pressure in rapid pipe joint 200 and rapid pipe joint 100 synchronously reduces, oil pressure in tool rest 2000 is also followed reduction, handle of a knife is released, cutter is removed.The handle of a knife of new machining tool is inserted in tool rest 2000, oil pressure in the hydraulic system of raising tool magazine, oil pressure Synchronous lifting in rapid pipe joint 200 and rapid pipe joint 100, the oil pressure in tool rest 2000 is also followed lifting, and the handle of a knife of new machining tool is clamped.After tool changing finishes, tool magazine 1000 leaves tool rest 2000, follow the rapid pipe joint 200 that tool magazine moves exits drive push rod 300 in rapid pipe joint 100, after push rod 300 exits, one-way valve member in one-way valve member in rapid pipe joint 100 and rapid pipe joint 200 is closed simultaneously, oil pressure in now rapid pipe joint and tool rest 200 is still in high oil pressure state, and the handle of a knife of new machining tool is continued clamping and carries out work.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a rapid pipe joint, is characterized in that, comprising:
One is arranged on the first rapid pipe joint on first device, in described the first rapid pipe joint, disposes the first one-way valve member;
One is arranged on the second rapid pipe joint on the second device, in described the second rapid pipe joint, disposes the second one-way valve member;
One end is configured in the push rod in described the second rapid pipe joint, and the other end of push rod extends outside described the second rapid pipe joint, in described push rod or on there is the through hole that runs through push rod two ends;
When the fluid circuit between first device and the second device is when need to be connected, drive first device and the second device to produce relative movement, described push rod is inserted in described the first rapid pipe joint and simultaneously opens the second one-way valve member in the first one-way valve member in the first rapid pipe joint and the second rapid pipe joint, runner in the first one-way valve member is set up and is communicated with the runner in the second one-way valve member by the through hole in push rod, and first device is communicated with the fluid circuit between the second device; When the fluid circuit between first device and the second device need to be dismantled, drive first device and the second device to produce move toward one another, make described push rod exit described the first rapid pipe joint, the first one-way valve member in the first rapid pipe joint and the second one-way valve member in the second rapid pipe joint are closed simultaneously, and the fluid circuit between first device and the second device is disconnected.
2. rapid pipe joint as claimed in claim 1, is characterized in that, described the first rapid pipe joint also comprises:
The first valve body, described the first valve body has one in order to the first inner chamber, first flow hole and first counterbore of the first one-way valve member to be installed, wherein first flow hole is between described the first inner chamber and the first counterbore, and the internal diameter in first flow hole is less than the internal diameter of described the first counterbore; Described the first one-way valve member is arranged in described the first inner chamber; The first mouth hole in described the first one-way valve member is near first flow hole;
The first valve gap, described the first valve gap is arranged on described the first valve body away from one end of the first counterbore, this first valve gap is limited in described the first one-way valve member in described the first inner chamber, on described the first valve gap, offer the first mouth and connect hole, the first mouth connects hole and is communicated with the fluid circuit in first device by fluid circuit, and this first mouth connects hole and is also communicated with the runner in described the first one-way valve member;
The first gland, described the first gland is arranged on described the first valve body and one end of contiguous the first counterbore, and the center of described the first gland offers the first center hole inserting for described push rod;
The first seal ring, described the first seal ring is arranged in the first counterbore and relies on the interior edge face of the first counterbore jointly to limit its axial position together with the first gland, and described first flow hole and the first endoporus of the first seal ring, the first center hole on the first gland are coaxial.
3. rapid pipe joint as claimed in claim 2, is characterized in that, described the first one-way valve member comprises:
The first spool, the profile of described the first spool consists of the first large diameter cylindrical surface, the first small-diameter circular cylinder and one section of first sealing male cone (strobilus masculinus), wherein between the inner cavity surface of the first inner chamber in the first large diameter cylindrical surface and described the first valve body, form being sealed and matched of sliding, the external diameter of the first small-diameter circular cylinder is less than the internal diameter of described the first inner chamber, makes to form a first fluid chamber between the first small-diameter circular cylinder and the inner cavity surface of the first inner chamber; In described the first spool, be provided with the first coaxial elastic element installation cavity and the first center flow channels hole, the first small diameter cylinders face position at the first spool is evenly equipped with some the first small flow channels holes that distribute radially, in some the first small flow channels holes, be communicated with the first center flow channels hole in the first spool, be communicated with first fluid chamber outward; Described the first elastic element installation cavity connects by described the first center flow channels hole, some the first small flow channels holes and first fluid chamber on the one hand, connects hole be on the other hand communicated with the first mouth on described the first valve gap;
The first valve seat, described the first valve seat is fixed in described the first inner chamber and contiguous first flow hole, the endoporus of described the first valve seat forms described the first mouth hole, at the endoporus of described the first valve seat, near a side of the first spool, is provided with the sealing of first on described the first spool male cone (strobilus masculinus) and coordinates the first interior sealing cone sealing; At described the first sealing male cone (strobilus masculinus) with described the first interior sealing cone when separated, the perforation of the endoporus of first fluid chamber and the first valve seat;
The first elastic element, one end of described the first elastic element is against on described the first valve gap, and the other end of the first elastic element inserts in the first elastic element installation cavity of described the first spool and at the bottom of being against the chamber of the first elastic element installation cavity;
Wherein the first elastic element installation cavity in the first spool, the first center flow channels hole, some the first small flow channels holes and first fluid chamber form the runner in described the first one-way valve member.
4. rapid pipe joint as claimed in claim 3, it is characterized in that, in described the first valve gap, be provided with the first elastic element and take up chamber, at the bottom of one end of described the first elastic element is inserted described the first elastic element and taken up in chamber and be against the chamber that the first elastic element takes up chamber, the first elastic element takes up chamber and connects hole with the first mouth and be communicated with.
5. rapid pipe joint as claimed in claim 1, is characterized in that, described the second rapid pipe joint also comprises:
The second valve body, described the second valve body has one in order to the second inner chamber, the second center hole and second shoulder hole of the second one-way valve member to be installed, wherein the second shoulder hole is between described the second inner chamber and the second center hole, the internal diameter of the second center hole is less than the internal diameter of described the second shoulder hole, and the internal diameter of the second shoulder hole is less than again the internal diameter of the second inner chamber; Described the second one-way valve member is arranged in described the second inner chamber; The second mouth hole in described the second one-way valve member is near the second shoulder hole;
The second valve gap, described the second valve gap is arranged on described the second valve body away from one end of the second center hole, this second valve gap is limited in described the second one-way valve member in described the second inner chamber, at described second valve, cover and offer the second mouth and connect hole, the fluid circuit that the second mouth connects in hole and the second device is communicated with; This second mouth connects hole and is also communicated with the runner in described the second one-way valve member;
One end that described push rod is inserted in described the second valve body by described the second center hole and second step hole is provided with a step, described step can be in described second step hole axial float, described push rod inserts one end end face in described the second valve body and the end contact of the second spool in described the second one-way valve member.
6. rapid pipe joint as claimed in claim 5, is characterized in that, described the second one-way valve member comprises:
The second spool, the profile of described the second spool consists of the second large diameter cylindrical surface, the second small-diameter circular cylinder and one section of second sealing male cone (strobilus masculinus), wherein between the inner cavity surface of the second inner chamber in the second large diameter cylindrical surface and described the second valve body, form being sealed and matched of sliding, the external diameter of the second small-diameter circular cylinder is less than the internal diameter of described the second inner chamber, makes to form a second fluid chamber between the second small-diameter circular cylinder and the inner cavity surface of the second inner chamber; At described second valve in-core, be provided with the second coaxial elastic element installation cavity and the second center flow channels hole, small diameter cylinders face position at the second spool is evenly equipped with some the second small flow channels holes that distribute radially, in some the second small flow channels holes, be communicated with the second center flow channels hole of second valve in-core, be communicated with second fluid chamber outward, described the second elastic element installation cavity connects by described the second center flow channels hole, some the second small flow channels holes and second fluid chamber on the one hand, and the second mouth covering with described second valve on the other hand connects hole and is communicated with;
The second valve seat, described the second valve seat is fixed in described the second inner chamber and contiguous the second shoulder hole, the endoporus of described the second valve seat forms described the second mouth hole, at the endoporus of described the second valve seat, near a side of the second spool, is provided with the sealing of second on described the second spool male cone (strobilus masculinus) and coordinates the second interior sealing cone sealing; At described the second sealing male cone (strobilus masculinus) with described the second interior sealing cone when separated, the perforation of the endoporus of second fluid chamber and the second valve seat;
The second elastic element, one end of described the second elastic element is against described second valve and covers, and the other end of the second elastic element inserts in the second elastic element installation cavity of described the second spool and at the bottom of being against the chamber of the second elastic element installation cavity.
7. rapid pipe joint as claimed in claim 6, it is characterized in that, in described the second valve gap, be provided with the second elastic element and take up chamber, at the bottom of one end of described the second elastic element is inserted described the second elastic element and taken up in chamber and be against the chamber that the second elastic element takes up chamber, the second elastic element takes up chamber and connects hole with the second mouth and be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566489.XU CN203500723U (en) | 2013-09-12 | 2013-09-12 | Quick couplings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566489.XU CN203500723U (en) | 2013-09-12 | 2013-09-12 | Quick couplings |
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|---|---|
| CN203500723U true CN203500723U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566489.XU Expired - Lifetime CN203500723U (en) | 2013-09-12 | 2013-09-12 | Quick couplings |
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| CN (1) | CN203500723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738978A (en) * | 2020-05-29 | 2021-12-03 | 贵州电网有限责任公司 | Quick connector of transformer oil filter pipeline |
| CN114602287A (en) * | 2020-12-09 | 2022-06-10 | 西安西电高压开关有限责任公司 | Adsorbent replacing device and high-voltage switch equipment |
-
2013
- 2013-09-12 CN CN201320566489.XU patent/CN203500723U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738978A (en) * | 2020-05-29 | 2021-12-03 | 贵州电网有限责任公司 | Quick connector of transformer oil filter pipeline |
| CN114602287A (en) * | 2020-12-09 | 2022-06-10 | 西安西电高压开关有限责任公司 | Adsorbent replacing device and high-voltage switch equipment |
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