CN209977528U - Special pneumatic connector for vehicle - Google Patents
Special pneumatic connector for vehicle Download PDFInfo
- Publication number
- CN209977528U CN209977528U CN201920649905.XU CN201920649905U CN209977528U CN 209977528 U CN209977528 U CN 209977528U CN 201920649905 U CN201920649905 U CN 201920649905U CN 209977528 U CN209977528 U CN 209977528U
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- joint
- air inlet
- locking
- sliding sleeve
- valve core
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Abstract
The utility model belongs to the technical field of pneumatic joint technique and specifically relates to a special pneumatic joint of vehicle. The gas inlet valve comprises a gas inlet joint, a valve core, a locking sliding sleeve, a locking steel ball and a gas outlet joint; the valve core is arranged in the air inlet connector, the locking sliding sleeve is sleeved outside the air inlet connector, the air inlet connector is provided with a locking hole, and the locking steel ball is arranged in the locking hole; the joint that gives vent to anger cup joints in the rear end inboard of air inlet joint, and the shaping of the joint that gives vent to anger has the fixed part, and the front end shaping of fixed part has the first buckle of a plurality of, and the rear end shaping of locking sliding sleeve has the second buckle with first buckle matched with. The utility model discloses a cooperation between locking steel ball and first buckle and the second buckle will give vent to anger and connect firmly locking in the air inlet joint, is particularly suitable for using in the vehicle field, avoids pneumatic joint at the vehicle in-process of traveling, because pneumatic joint receives the influence of vehicle vibrations, gives vent to anger and connects the problem of deviating from the air inlet joint easily.
Description
Technical Field
The utility model belongs to the technical field of pneumatic joint technique and specifically relates to a special pneumatic joint of vehicle.
Background
The pneumatic connector is a special connecting device which can quickly connect or disconnect a gas pipeline and realize quick disassembly and assembly of the pipeline, and has the functions of quick plug-in mounting and one-way non-return after disconnection. The pneumatic connector is used as a necessary connecting part for quickly connecting gas pipelines and is widely applied to various fields.
The existing pneumatic joint generally comprises an air inlet joint, a valve core and an air outlet joint, wherein the valve core is arranged in the air inlet joint so as to realize the one-way non-return function after disconnection; the air outlet connector is inserted into the air inlet connector and is in quick butt joint with the valve core, and the air inlet connector and the air outlet connector are fixed by matching of the locking sliding sleeve and the locking steel ball. However, such a fixing method is not secure, and as applied to the field of vehicles, due to vibration during driving of the vehicle, each component in the pneumatic connector is vibrated and loosened, so that the air outlet connector is easily separated from the air inlet connector, and the air pipeline is disconnected. Meanwhile, after the air inlet joint and the air outlet joint are disconnected, the air tightness of the valve core is not high, and gas leakage is easily caused.
Therefore, it is necessary to provide an improvement to the existing pneumatic joint to maximize the performance of the pneumatic joint and meet the actual requirements of the actual application process.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art existence, the utility model aims to provide a special pneumatic joint of vehicle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special pneumatic joint for a vehicle comprises an air inlet joint, a valve core, a locking sliding sleeve, a locking steel ball and an air outlet joint;
the air inlet joint is used for being connected with an air inlet end, an air inlet shaft hole, a front valve core guide hole, a limiting ring and a rear valve core guide hole which are coaxially distributed from front to back are arranged on the air inlet joint, and a first sealing ring is embedded on the inner wall of the limiting ring;
the valve core is arranged in the air inlet joint and is of a step shaft sleeve structure, and the valve core comprises a valve sleeve of which the shaft diameter is matched with the inner diameter of the limiting ring and a guide sleeve of which the shaft diameter is matched with the guide hole of the rear valve core; a ventilation shaft hole is formed in the valve sleeve, the front end of the valve sleeve is closed, a plurality of ventilation holes are formed in the peripheral wall of the valve sleeve, and an air outlet joint matching hole is formed in the guide sleeve; the valve sleeve is sleeved in the limiting ring; a valve core spring is sleeved on the valve sleeve, a valve core spring rear shaft shoulder is formed between the valve sleeve and the guide sleeve, the rear end of the valve core spring is abutted with the valve core spring rear shaft shoulder, and the front end of the valve core spring is abutted with the rear end wall of the limiting ring;
the locking sliding sleeve is sleeved outside the air inlet joint, a sliding sleeve spring is sleeved on the air inlet joint, a sliding sleeve spring front shaft shoulder is formed on the inner peripheral wall of the locking sliding sleeve, the front end of the sliding sleeve spring is abutted against the sliding sleeve spring front shaft shoulder, a sliding sleeve spring rear shaft shoulder is formed on the outer peripheral wall of the air inlet joint, the rear end of the sliding sleeve spring is abutted against the sliding sleeve spring rear shaft shoulder, a locking hole is formed in the air inlet joint, the locking steel ball is arranged in the locking hole, and a steel ball outer groove matched with the locking steel ball is formed in the inner peripheral wall of the locking sliding sleeve;
the air outlet joint is sleeved on the inner side of the rear end part of the air inlet joint, the front end part of the air outlet joint is sleeved in the air outlet joint matching hole, the rear end part of the air outlet joint is used for being connected with the air outlet end, the peripheral wall of the air outlet joint is provided with a steel ball inner groove matched with the locking steel ball, the rear end of the air outlet joint extends along the radial direction to the outer peripheral side to form a fixing part, the outer diameter of the fixing part is larger than that of the rear end part of the air inlet joint, the front end part of the fixing part extends forwards along the axial direction of the fixing part to form a plurality of first buckles, the rear end wall of the locking sliding sleeve extends backwards along the axial direction of the locking sliding sleeve to form a second buckle matched with the first buckle, the first buckle is used for being sleeved on the peripheral wall of the rear end part of the air inlet joint, and a first clamping part with a, and a second clamping part matched with the first clamping part is formed on the inner wall of the rear end part of the second buckle.
Preferably, the first buckle is provided with 2-6 and is circumferentially and uniformly distributed on the front end side of the fixing part.
Preferably, a first sealing check ring is embedded in the front end wall of the limit ring, a sealing baffle matched with the first sealing check ring is detachably and fixedly arranged at the front end part of the valve sleeve, and the sealing baffle is distributed in the guide hole of the front valve core.
Preferably, a second sealing retainer ring is embedded in a connecting part between the ventilation shaft hole and the air outlet joint matching hole, and the front end wall of the air outlet joint is abutted against the second sealing retainer ring in a butt joint state.
Preferably, the inner peripheral wall of the air outlet joint fitting hole is embedded with a second sealing ring in interference fit with the outer peripheral wall of the front end part of the air outlet joint.
Preferably, an opening and closing member for opening and closing the air inlet hole is installed on an outer circumferential wall of the front end portion of the air inlet joint.
Preferably, the switch assembly comprises a fixed seat, a press switch, a reset spring, a third seal ring and a fourth seal ring, the fixed seat is embedded on the peripheral wall of the front end part of the air inlet joint, the third seal ring is sleeved on the fixed seat and used for sealing a gap between the fixed seat and the peripheral wall of the air inlet joint, the press switch comprises a press column and a plug part which is formed into a whole with the lower end part of the press shaft, the outer diameter of the plug part is larger than that of the press shaft, through holes which penetrate through the fixed seat and are distributed and matched with the press switch are arranged in the fixed seat along the axial direction of the fixed seat, the press switch is sleeved in the through holes, the lower end of the plug part is provided with a containing groove for installing the reset spring, the upper end of the reset spring is abutted against the inner top surface of the containing groove, and the lower end of the reset spring is abutted, the fourth sealing washer cup joints on the periphery wall of pressing the axle and is used for sealing the gap between fixing base and the pressing axle.
Preferably, a pressing chute matched with the pressing shaft is formed in the inner wall of the front end part of the locking sliding sleeve; the pressing shaft is distributed on the front side of the contour of the pressing chute in the state that the first buckle and the second buckle are in alignment clamping connection; under the state that the steel ball outer groove is aligned with the locking hole, the first buckle is separated from the second buckle, and the pressing shaft is distributed in the outline range of the pressing chute.
Since the technical scheme is used, the utility model discloses an air inlet joint, the locking sliding sleeve, locking steel ball and the cooperation of giving vent to anger the joint and the joint structure between first buckle and the second buckle of joint will give vent to anger and connect firmly the locking in air inlet joint, be particularly suitable for using in the vehicle field, avoid pneumatic joint at the vehicle in-process of traveling, because pneumatic joint receives the influence of vehicle vibrations, give vent to anger and connect the problem of deviating from air inlet joint easily, the stability of device use has effectively been guaranteed, and has very strong practical value and market spreading value.
Drawings
Fig. 1 is a schematic structural diagram of a pneumatic joint according to an embodiment of the present invention in a butt joint state;
fig. 2 is a schematic structural diagram (one) of the pneumatic connector of the embodiment of the present invention in a disassembled state;
fig. 3 is a schematic structural diagram (ii) of the pneumatic joint in a disassembled state according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of an air inlet joint according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a valve cartridge according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a switch assembly according to an embodiment of the present invention;
in the figure: 1. an air inlet joint; 101. an air inlet shaft hole; 102. a front spool pilot bore; 103. a limiting ring; 104. a rear valve core guide hole; 105. a first seal ring; 106. a sliding sleeve spring; 107. a sliding sleeve spring rear shoulder; 108. a locking hole; 106. a sliding sleeve spring; 107. a sliding sleeve spring rear shoulder; 108. a locking hole; 109. a first sealing retainer ring;
2. a valve core; 201. a valve housing; 202. a guide sleeve; 203. a vent shaft hole; 204. a vent hole; 205. a spool spring; 206. a valve core spring rear shaft shoulder; 207. the air outlet joint is matched with the hole; 208. sealing the baffle; 209. A second sealing retainer ring; 210. a second seal ring;
3. locking the sliding sleeve; 301. a sliding sleeve spring front shoulder; 302. steel ball outer grooves; 303. a second buckle; 304. A second chucking part; 305. pressing the chute;
4. locking the steel balls; 5. an air outlet joint; 501. an air outlet shaft hole; 502. steel ball inner grooves; 503. a fixed part; 504. a first buckle; 505. a first retaining part;
6. a switch assembly; 61. a fixed seat; 62. a push switch; 621. pressing the column; 622. a stopper portion; 63. A return spring; 64. a third seal ring; 65. a fourth seal ring; 66. a through hole; 67. a containing groove.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, an embodiment of the present invention provides a special pneumatic joint for a vehicle, which includes an air inlet joint 1, a valve core 2, a locking sliding sleeve 3, a locking steel ball 4, and an air outlet joint 5;
the air inlet joint 1 is used for being connected with an air inlet end (namely an air inlet pipe or air inlet equipment), the air inlet joint 1 is provided with an air inlet shaft hole 101, a front valve core guide hole 102, a limiting ring 103 and a rear valve core guide hole 104 which are coaxially distributed from front to back in sequence, and the inner wall of the limiting ring 103 is embedded with a first sealing ring 105;
the valve core 2 is arranged in the air inlet joint 1 and has a step shaft sleeve structure, and the valve core 2 comprises a valve sleeve 201 with the shaft diameter matched with the inner diameter of the limiting ring 103 and a guide sleeve 202 with the shaft diameter matched with the guide hole 104 of the rear valve core; a ventilation shaft hole 203 is formed in the valve sleeve 201, the front end of the valve sleeve 201 is closed, a plurality of ventilation holes 204 are formed in the peripheral wall of the valve sleeve 201, and an air outlet joint matching hole 207 is formed in the guide sleeve 202; the valve sleeve 201 is sleeved in the limiting ring 103; a valve core spring 205 is sleeved on the valve sleeve 201, a valve core spring rear shaft shoulder 206 is formed between the valve sleeve 201 and the guide sleeve 202, the rear end of the valve core spring 205 is abutted with the valve core spring rear shaft shoulder 206, and the front end of the valve core spring 205 is abutted with the rear end wall of the limiting ring 103;
the locking sliding sleeve 3 is sleeved outside the air inlet joint 1, a sliding sleeve spring 106 is sleeved on the air inlet joint 1, a sliding sleeve spring front shaft shoulder 301 is formed on the inner peripheral wall of the locking sliding sleeve 3, the front end of the sliding sleeve spring 106 is abutted against the sliding sleeve spring front shaft shoulder 301, a sliding sleeve spring rear shaft shoulder 107 is formed on the outer peripheral wall of the air inlet joint 1, the rear end of the sliding sleeve spring 106 is abutted against the sliding sleeve spring rear shaft shoulder 107, a locking hole 108 is formed on the air inlet joint 1, a locking steel ball 4 is arranged in the locking hole 108, and a steel ball outer groove 302 matched with the locking steel ball 4 is formed on the inner peripheral wall of the locking sliding sleeve 3;
the air outlet joint 5 is sleeved on the inner side of the rear end of the air inlet joint 1, the front end of the air outlet joint 5 is sleeved in the air outlet joint matching hole 207, the rear end of the air outlet joint 5 is used for being connected with an air outlet end (namely an air outlet pipe or air outlet equipment), an air outlet shaft hole 501 is formed in the air outlet joint 5, a steel ball inner groove 502 matched with the locking steel ball 4 is formed in the outer peripheral wall of the air outlet joint 5, a fixing part 503 is formed in the rear end of the air outlet joint 5 in a manner of extending towards the outer peripheral side along the radial direction, the outer diameter of the fixing part 503 is larger than that of the rear end of the air inlet joint 1, a plurality of first buckles 504 are formed in the manner of extending towards the front end of the fixing part 503 along the axial direction of the fixing part 503, a second buckle 303 matched with the first buckle 504 is formed in the manner of extending towards the rear end wall of the locking sliding sleeve 3 along the axial direction of the locking sliding sleeve 3 The inner wall of the rear end of the second buckle 303 is formed with a second retainer 304 that is engaged with the first retainer 505.
Based on the above structural arrangement, when the air outlet joint 5 is butted with the air inlet joint 1, the front end of the air outlet joint 5 is butted with the valve core 2, so that the valve sleeve 201 and the guide sleeve 202 are pushed to synchronously move towards the front end until the fixing part 503 is butted with the rear end wall of the air inlet joint 1, at this time, the locking holes 108 are distributed in alignment with the steel ball inner groove 502, the vent holes 204 are distributed in the profile of the front valve core guide hole 102, so that the valve core 2 is in an open state, and the valve core spring 205 is in a compressed state; then, the locking sliding sleeve 3 is pushed to move towards the rear end, the locking steel balls 4 are pushed to the inner side and are in alignment clamping with the steel ball inner groove 502, so that the air outlet connector 5 is locked and fixed in the air inlet connector 1, and the first buckle 504 and the second buckle 303 are in alignment clamping (at the moment, the sliding sleeve spring 106 is in a compressed state) at the same time, so that the air outlet connector 5 is further locked and fixed at the rear end of the air inlet connector 1. When the air outlet connector 5 needs to be detached from the air inlet connector 1, the locking sliding sleeve 3 can automatically move forward under the elastic force of the sliding sleeve spring 106 by disengaging the clamping state between the first buckle 504 and the second buckle 303 until the steel ball outer groove 302 is aligned with the locking hole 108, the valve core 2 automatically moves backward under the elastic force of the valve core spring 205, so that the steel ball inner groove 502 is separated from the locking steel ball 4, and the locking steel ball 4 is extruded to the steel ball outer groove 302, so that the air outlet connector 5 can be easily detached from the air inlet connector 1; at this time, the vent holes 204 are distributed within the contour range of the rear spool guide hole 104, and the front end of the valve sleeve 201 is sleeved in the limit ring 103 and is in interference fit with the first seal ring 105, so that the spool 2 is in a closed state, and gas leakage can be prevented. Based on this, its compact structure is reasonable, through the cooperation between locking steel ball 4 and first buckle 504 and the second buckle 303, will give vent to anger and connect 5 and firmly lock and fix on air inlet connector 1, is particularly suitable for using in the vehicle field, avoids pneumatic connector at the vehicle in-process of traveling, because pneumatic connector receives the influence of vehicle vibrations, gives vent to anger the problem that connects 5 and deviate from air inlet connector 1 easily, has very strong practical value and market spreading value.
Preferably, the first fasteners 504 of the present embodiment are provided with 2-6 fasteners and are uniformly distributed on the front end side of the fixing portion 503. Therefore, the first buckles 504 and the second buckles 303 which are uniformly distributed can be utilized for aligning and clamping, so that the locking sliding sleeve 3 is uniformly stressed, and the air outlet joint 5 is firmly locked at the rear end of the air inlet joint 1.
Further, in order to limit the valve core 2 in the air inlet joint 1 and prevent the valve core 2 from coming off from the air inlet joint 1, a first sealing retainer ring 109 is embedded on the front end wall of the limiting ring 103 of the embodiment, a sealing baffle plate 208 matched with the first sealing retainer ring 109 is detachably and fixedly arranged at the front end part of the valve sleeve 201, and the sealing baffle plate 208 is distributed in the front valve core guide hole 102. Therefore, when the valve core 2 automatically moves towards the rear end under the action of the elastic force of the valve core spring 205, the valve core 2 can be limited in the air inlet joint 1 by utilizing the matching of the sealing baffle plate 208 and the first sealing retainer ring 109, and meanwhile, the air tightness between the valve core and the air inlet joint 1 is improved, and the gas leakage is prevented.
In order to improve the air tightness between the outlet joint 5 and the valve element 2, a second sealing ring 209 is fitted to the joint portion between the vent shaft hole 203 and the outlet joint fitting hole 207 of the present embodiment, and the front end wall of the outlet joint 5 abuts against the second sealing ring 209 in a butt joint state. Thus, when the outlet connector 5 is mated with the inlet connector 1, the valve body 2 is in the open state, and gas is prevented from leaking from the gap between the outlet connector 5 and the valve body 2 (i.e., the gap between the outlet connector 5 and the outlet connector fitting hole 207), so that the airtightness of the pneumatic connector is improved.
In order to further improve the air tightness between the air outlet joint 5 and the valve core 2, a second sealing ring 210 which is in interference fit with the outer peripheral wall of the front end of the air outlet joint 5 is fitted on the inner peripheral wall of the air outlet joint fitting hole 207 of the present embodiment.
Further, the outer peripheral wall of the front end portion of the intake joint 1 of the present embodiment is provided with an opening and closing member 6 for opening and closing the intake shaft hole 101.
Preferably, the switch assembly 6 of the present embodiment includes a fixing base 61, a pressing switch 62, a return spring 63, a third sealing ring 64 and a fourth sealing ring 65, the fixing base 61 is embedded on the outer peripheral wall of the front end portion of the air inlet connector 1, the third sealing ring 64 is sleeved on the fixing base 61 and is used for sealing the gap between the fixing base 61 and the peripheral wall of the air inlet connector 1, the pressing switch 62 includes a pressing post 621 and a sealing portion 622 integrally formed with the lower end portion of the pressing post 621, the outer diameter of the sealing portion 622 is greater than the outer diameter of the pressing post 621, a through hole 66 penetrating through the fixing base 61 and matching with the pressing switch 62 is formed in the fixing base 61 along the axial direction of the fixing base 61, the pressing switch 62 is sleeved in the through hole 66, a receiving groove 67 for receiving the return spring 63 is formed in the lower end of the sealing portion 622, the upper end of the return spring 63 abuts against, the lower end of the return spring 63 abuts against the inner wall of the air inlet shaft hole 101, and the fourth sealing ring 65 is sleeved on the outer peripheral wall of the pressing column 621 and used for sealing a gap between the fixed seat 61 and the pressing column 621. Thus, the opening and closing of the intake shaft hole 101 can be controlled by the pressing rod 621, the closing portion 622, and the return spring 63.
Preferably, the inner wall of the front end of the locking sliding sleeve 3 of the present embodiment is provided with a pressing inclined slot 305 matching with the pressing column 621; under the state that the first buckle 504 and the second buckle 303 are in contraposition clamping connection, the pressing columns 621 are distributed on the front side of the outline of the pressing chute 305; in the state where the steel ball outer groove 302 is aligned with the locking hole 108, the first catch 504 is separated from the second catch 303, and the pressing posts 621 are distributed within the contour of the pressing inclined groove 305. Therefore, when the air outlet connector 5 and the air inlet connector 1 are butted, that is, in a state that the first buckle 504 and the second buckle 303 are in counterpoint clamping, the pressing columns 621 are distributed on the front side of the profile of the pressing chute 305, so that the pressing columns 621 and the sealing plug portion 622 can move upwards under the action of the return spring 63, and the air inlet shaft hole 101 is automatically opened; when the air outlet joint 5 is detached from the air inlet joint 1, that is, in a state where the steel ball outer groove 302 is aligned with the locking hole 108, the pressing inclined groove 305 is engaged with the pressing column 621, so that the pressing column 621 and the sealing portion 622 move downward at the same time to automatically close the air inlet shaft hole 101, and the sealing function of the valve element 2 is engaged to further ensure the air tightness of the air inlet joint 1 and prevent air leakage.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. The utility model provides a special pneumatic joint of vehicle which characterized in that: the gas inlet valve comprises a gas inlet joint, a valve core, a locking sliding sleeve, a locking steel ball and a gas outlet joint;
the air inlet joint is used for being connected with an air inlet end, an air inlet shaft hole, a front valve core guide hole, a limiting ring and a rear valve core guide hole which are coaxially distributed from front to back are arranged on the air inlet joint, and a first sealing ring is embedded on the inner wall of the limiting ring;
the valve core is arranged in the air inlet joint and is of a step shaft sleeve structure, and the valve core comprises a valve sleeve of which the shaft diameter is matched with the inner diameter of the limiting ring and a guide sleeve of which the shaft diameter is matched with the guide hole of the rear valve core; a ventilation shaft hole is formed in the valve sleeve, the front end of the valve sleeve is closed, a plurality of ventilation holes are formed in the peripheral wall of the valve sleeve, and an air outlet joint matching hole is formed in the guide sleeve; the valve sleeve is sleeved in the limiting ring; a valve core spring is sleeved on the valve sleeve, a valve core spring rear shaft shoulder is formed between the valve sleeve and the guide sleeve, the rear end of the valve core spring is abutted with the valve core spring rear shaft shoulder, and the front end of the valve core spring is abutted with the rear end wall of the limiting ring;
the locking sliding sleeve is sleeved outside the air inlet joint, a sliding sleeve spring is sleeved on the air inlet joint, a sliding sleeve spring front shaft shoulder is formed on the inner peripheral wall of the locking sliding sleeve, the front end of the sliding sleeve spring is abutted against the sliding sleeve spring front shaft shoulder, a sliding sleeve spring rear shaft shoulder is formed on the outer peripheral wall of the air inlet joint, the rear end of the sliding sleeve spring is abutted against the sliding sleeve spring rear shaft shoulder, a locking hole is formed in the air inlet joint, the locking steel ball is arranged in the locking hole, and a steel ball outer groove matched with the locking steel ball is formed in the inner peripheral wall of the locking sliding sleeve;
the air outlet joint is sleeved on the inner side of the rear end part of the air inlet joint, the front end part of the air outlet joint is sleeved in the air outlet joint matching hole, the rear end part of the air outlet joint is used for being connected with the air outlet end, the peripheral wall of the air outlet joint is provided with a steel ball inner groove matched with the locking steel ball, the rear end of the air outlet joint extends along the radial direction to the outer peripheral side to form a fixing part, the outer diameter of the fixing part is larger than that of the rear end part of the air inlet joint, the front end part of the fixing part extends forwards along the axial direction of the fixing part to form a plurality of first buckles, the rear end wall of the locking sliding sleeve extends backwards along the axial direction of the locking sliding sleeve to form a second buckle matched with the first buckle, the first buckle is used for being sleeved on the peripheral wall of the rear end part of the air inlet joint, and a first clamping part with a, and a second clamping part matched with the first clamping part is formed on the inner wall of the rear end part of the second buckle.
2. A vehicle specific pneumatic joint as set forth in claim 1, wherein: the first buckle is provided with 2-6 and the periphery evenly distributes in the front end side of fixed part.
3. A vehicle specific pneumatic joint as set forth in claim 1, wherein: the front end wall of the limiting ring is embedded with a first sealing check ring, the front end part of the valve sleeve is detachably and fixedly provided with a sealing baffle matched with the first sealing check ring, and the sealing baffle is distributed in the guide hole of the front valve core.
4. A vehicle specific pneumatic joint as set forth in claim 1, wherein: and a second sealing retainer ring is embedded in a joint part between the ventilation shaft hole and the air outlet joint matching hole, and the front end wall of the air outlet joint is abutted against the second sealing retainer ring in a butt joint state.
5. A vehicle specific pneumatic joint as set forth in claim 4, wherein: and a second sealing ring in interference fit with the outer peripheral wall of the front end part of the air outlet connector is embedded in the inner peripheral wall of the air outlet connector matching hole.
6. A vehicle specific pneumatic joint as set forth in claim 1, wherein: and a switch assembly for opening and closing the air inlet shaft hole is arranged on the peripheral wall of the front end part of the air inlet joint.
7. A vehicle specific pneumatic joint as set forth in claim 6, wherein: the switch component comprises a fixed seat, a press switch, a reset spring, a third sealing ring and a fourth sealing ring, wherein the fixed seat is embedded on the peripheral wall of the front end part of the air inlet connector, the third sealing ring is sleeved on the fixed seat and used for sealing a gap between the fixed seat and the peripheral wall of the air inlet connector, the press switch comprises a press column and a plug part which is formed into a whole with the lower end part of the press shaft, the outer diameter of the plug part is larger than that of the press shaft, through holes which penetrate through the fixed seat and are distributed and matched with the press switch are arranged in the fixed seat along the axis direction of the fixed seat, the press switch is sleeved in the through holes, a containing groove for installing the reset spring is arranged at the lower end of the plug part, the upper end of the reset spring is abutted with the inner top surface of the containing groove, and the lower end of the reset spring, the fourth sealing washer cup joints on the periphery wall of pressing the axle and is used for sealing the gap between fixing base and the pressing axle.
8. A vehicle specific pneumatic joint as set forth in claim 7, wherein: a pressing chute matched with the pressing shaft is formed in the inner wall of the front end part of the locking sliding sleeve; the pressing shaft is distributed on the front side of the contour of the pressing chute in the state that the first buckle and the second buckle are in alignment clamping connection; under the state that the steel ball outer groove is aligned with the locking hole, the first buckle is separated from the second buckle, and the pressing shaft is distributed in the outline range of the pressing chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649905.XU CN209977528U (en) | 2019-05-07 | 2019-05-07 | Special pneumatic connector for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649905.XU CN209977528U (en) | 2019-05-07 | 2019-05-07 | Special pneumatic connector for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977528U true CN209977528U (en) | 2020-01-21 |
Family
ID=69261370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920649905.XU Expired - Fee Related CN209977528U (en) | 2019-05-07 | 2019-05-07 | Special pneumatic connector for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998914A (en) * | 2021-02-22 | 2021-06-22 | 佳木斯大学 | Artificial hip joint |
| CN113339610A (en) * | 2021-06-29 | 2021-09-03 | 宁波康韩瑞电器有限公司 | Quick butt joint structure of interface for air conditioner |
-
2019
- 2019-05-07 CN CN201920649905.XU patent/CN209977528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998914A (en) * | 2021-02-22 | 2021-06-22 | 佳木斯大学 | Artificial hip joint |
| CN113339610A (en) * | 2021-06-29 | 2021-09-03 | 宁波康韩瑞电器有限公司 | Quick butt joint structure of interface for air conditioner |
| CN113339610B (en) * | 2021-06-29 | 2022-08-05 | 宁波康韩瑞电器有限公司 | Quick butt joint structure of interface for air conditioner |
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