CN210266043U - Tire inflation connector - Google Patents
Tire inflation connector Download PDFInfo
- Publication number
- CN210266043U CN210266043U CN201921207810.9U CN201921207810U CN210266043U CN 210266043 U CN210266043 U CN 210266043U CN 201921207810 U CN201921207810 U CN 201921207810U CN 210266043 U CN210266043 U CN 210266043U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- tire
- wall
- ring
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to a tire inflation field specifically is a tire inflation connects mouth. Comprises an input nozzle, a tire valve core connecting part and a thimble; the tire valve core connecting part comprises an inner sleeve and an outer sleeve; the input connector is fixed in on the inner skleeve surface and the inside chamber of aerifing of input connector is linked together with gas passage, and the thimble tip that is located gas passage one end that admits air is equipped with the guide part, the outside one end of guide part is served and is extended and be equipped with the guide bar, and the guide bar extends to the ring cap portion outside, and outer sleeve tip inboard is equipped with the internal thread, and the inboard card of inner skleeve end is equipped with the second sealing washer, and the other one end inner wall of outer sleeve sets firmly ring plug portion, has snap ring step portion on the inner skleeve outer wall, be equipped with first ring channel. The inflation tightness is good, and no air source is wasted; when the tire is inflated under high pressure, the tire can be kept away from the inflated tire without being held by a hand, so that the danger is avoided. And after the inflation is finished, closing the thimble and unscrewing the input connector.
Description
Technical Field
The utility model relates to a tire inflation field specifically is a tire inflation connects mouth.
Background
The existing tire inflation nipple is used for inflating small-pressure tires of household automobiles and the like. When in use, the pressure-sensitive tire needs to be held by hand, is labor-consuming and has poor sealing performance, and is unstable to hold, unreliable in sealing, labor-consuming and wastes air sources for pressure tires of engineering vehicles, airplanes and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that the conventional tire inflation nozzle is not suitable for a large tire with large pressure, the utility model relates to a tire inflation connector.
The utility model discloses a realize through following technical scheme: a tire inflation connector comprises an input connector, a tire valve core connecting part and an ejector pin;
the tire valve core connecting part comprises a tubular inner sleeve and an outer sleeve sleeved on the inner sleeve in clearance fit with the inner sleeve;
the thimble penetrates into the inner sleeve, an air passage allowing air to flow is formed between the whole body of the thimble and the inner wall of the inner sleeve, the input connector is fixed on the outer surface of the inner sleeve, an inflation cavity in the input connector is communicated with the air passage, a guide part in threaded fit with the inner sleeve is arranged at the end part of the thimble at the air inlet end of the air passage, the guide part can move back and forth along the thread of the inner wall of the inner sleeve, the movable guide part can enable the thimble to be in tight fit with the core rod of the tire valve core, a guide rod extends from one end of the outer side of the guide part, a first sealing ring is hermetically arranged between the guide rod and the inner wall of the inner sleeve, a ring cover part is fixedly arranged on the inner sleeve outside the first sealing ring and between the;
the outer sleeve tip inboard that is located the inner skleeve end of giving vent to anger is equipped with the internal thread with tire valve inside mouth external surface screw-thread fit, and the inner skleeve is given vent to anger the inboard card of end and is equipped with the second sealing washer with the sealed complex of tire valve inside mouth, the other one end of outer sleeve extends to input joint mouth department to the other one end inner wall of outer sleeve sets firmly with inner skleeve outer wall clearance fit's ring plug portion, has snap ring step portion on the inner skleeve outer wall that is located ring plug portion department, be equipped with on the ring plug portion inner wall and end the first ring.
As the utility model discloses technical scheme's further improvement, first sealing washer is equipped with the ring groove who holds first sealing washer including the elastic seal circle that is located the centre and the rigid seal circle that is located the elastic seal circle both ends respectively in the inner skleeve that is located first sealing washer, the rigid seal circle of elastic seal circle one end and ring groove's spacing cooperation of step portion, the rigid seal circle of the other one end of elastic seal circle and the spacing cooperation of cap portion of ring cap portion.
As the utility model discloses technical scheme's further improvement, the inner skleeve inner wall that is located the guide part is equipped with the second annular groove, and the inner skleeve inner wall screw thread that corresponds with the guide part is located the second annular groove cell wall, and the cooperation of ending a position of guide part one end and the step portion of second annular groove of back-and-forth movement, and the cooperation of ending a position of the other one end of guide part and the rigid seal circle of elastic seal circle one end.
As the technical scheme of the utility model is further improved, the outer sleeve inner wall that is located ring plug portion department is equipped with and ends a complex turning portion with the other one end of snap ring step portion.
As the utility model discloses technical scheme's further improvement, the inboard extension forms the ka tai in the outer sleeve tip that is located internal thread department, there is the clearance between ka tai and the second sealing washer outside end.
As the utility model discloses technical scheme's further improvement, the thimble includes minor diameter portion and major diameter portion, the inboard one end and the guide part butt joint of major diameter portion, the outside one end and the butt joint of minor diameter portion of major diameter portion, and the path position is inboard in the second sealing washer.
As the technical scheme of the utility model further improve, path end is equipped with and supports the frustum of tight fit with tire valve core pole, the path end and the path end homonymy of frustum.
As a further improvement of the technical scheme of the utility model, be equipped with the external screw thread that is connected with the air supply on the input nipple.
As a further improvement of the technical proposal of the utility model, the end part of the guide rod extending to the outside of the annular cover part is provided with a handle.
The tire inflation connector of the utility model has the input connector connected with the gas cylinder or the gas source; the tire valve core connecting part is arranged at the tire valve core opening part and used for inflating; the second sealing ring is used for sealing the valve inside mouth part of the tire so as to prevent air leakage; the first sealing ring is used for sealing the cavity when the thimble moves; the thimble is used for opening the tyre valve core and opening the inflation channel. The inflation tightness is good, and no air source is wasted; when the tire is inflated under high pressure, the tire can be kept away from the inflated tire without being held by a hand, so that the danger is avoided. And after the inflation is finished, closing the thimble and unscrewing the input connector.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the tire inflation nozzle of the present invention.
In the figure: 1-input connector, 100-external thread, 2-thimble, 201-guide part, 202-guide rod, 203-small diameter part, 204-large diameter part, 205-frustum, 300-internal sleeve, 301-external sleeve, 302-gas passage, 303-annular cover part, 304-internal thread, 305-annular plug part, 306-snap ring step, 307-first annular groove, 308-second annular groove, 309-elbow part, 310-snap ring, 4-first sealing ring, 400-elastic sealing ring, 401-rigid sealing ring, 5-second sealing ring and 6-handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
In the present invention, the terms "fixed" and "fixedly disposed" are used to indicate that the two components are fixedly connected by welding or screwing without special description.
A tire inflation connector comprises an input connector 1, a tire valve core connecting part and an ejector pin 2,
the tire valve core connecting part comprises a tubular inner sleeve 300 and an outer sleeve 301 which is sleeved on the inner sleeve 300 in clearance fit with the inner sleeve 300;
the thimble 2 is arranged in the inner sleeve 300 in a penetrating manner, an air passage 302 allowing air to flow is formed between the whole body of the thimble 2 and the inner wall of the inner sleeve 300, the input connector 1 is fixed on the outer surface of the inner sleeve 300, an inflation cavity in the input connector 1 is communicated with the air passage 302, a guide part 201 in threaded fit with the inner sleeve 300 is arranged at the end part of the thimble 2 at the air inlet end of the air passage 302, the guide part 201 can move back and forth along the inner wall of the inner sleeve 300 in a threaded manner, the thimble 2 can be tightly abutted against and matched with a tire valve core rod through the movable guide part 201, a guide rod 202 extends from one end of the outer side of the guide part 201, a first sealing ring 4 is arranged between the guide rod 202 and the inner wall of the inner sleeve 300 in a sealing manner, a ring cover part 303 is fixedly arranged between the inner sleeve 300 outside;
the outer sleeve 301 tip inboard that is located inner sleeve 300 end of giving vent to anger is equipped with the internal thread 304 with tire valve core mouth external surface screw-thread fit, and inner sleeve 300 end of giving vent to anger inboard card be equipped with the sealed complex second sealing washer 5 of tire valve core mouth, the other one end of outer sleeve 301 extends to input spigot 1 department to the other one end inner wall of outer sleeve 301 sets firmly ring plug portion 305 with inner sleeve 300 outer wall clearance fit, is located and has snap ring step portion 306 on the inner sleeve 300 outer wall of ring plug portion 305 department, be equipped with on the ring plug portion 305 inner wall and end a complex first ring channel 307 with snap ring step portion 306 one end.
The present invention is provided with the gas passage 302, which can be a passage formed by a gap between the thimble 2 and the inner wall of the inner sleeve 300, and can also be a passage provided around the thimble 2, or a passage provided on the inner wall of the inner sleeve 300, or a passage provided on both the thimble 2 and the inner wall of the inner sleeve 300. In the present invention, the implementation manner of the air passage 302 is not limited to the passage formed by the gap between the thimble 2 and the inner wall of the inner sleeve 300 shown in fig. 1.
As shown in fig. 1, in a specific use, the input connector 1 is connected with an air source or an air bottle, the outer sleeve 301 is rotated to enable the internal thread 304 to be in threaded connection with the outer surface of the tire valve inside nozzle part, and the tire valve inside nozzle part extends into the outer sleeve 301 until the tire valve inside nozzle part is in sealing fit with the second sealing ring 5; then the guide rod 202 is rotated, the guide part 201 and the inner wall thread of the inner sleeve 300 move forwards (on the left side of the figure), the moving guide part 201 controls the ejector pin 2 to move forwards until the ejector pin 2 is abutted against the tire valve core rod, so that the gas cavity inside the tire valve core is communicated with the gas passage 302, and the gas in the gas source or the gas cylinder enters the gas cavity inside the tire valve core through the inflation cavity of the input connector 1 and the gas passage 302 and then enters the tire, and at the moment, the operator does not need to hold the guide rod by hand and can be far away from the pneumatic tire. Because the first sealing ring 4 is arranged between the guide rod 202 and the inner wall of the inner sleeve 300 in a sealing manner, gas is prevented from leaking out of the guide part 201 to the external environment during the inflation process. Moreover, since the tire valve inside nozzle portion is sealed with the second seal ring 5, the air is prevented from leaking out to the external environment from the gap between the inner sleeve 300 and the outer sleeve 301 during the inflation process. After the inflation is finished, the air source or the air bottle is closed, the guide rod 202 is rotated in a reverse direction, the guide portion 201 and the inner wall threads of the inner sleeve 300 move backwards (on the right side of the drawing), the moving guide portion 201 controls the ejector pin 2 to move backwards until the ejector pin 2 is separated from the tire valve core rod, so that the air cavity inside the tire valve core is closed, then the outer sleeve 301 is rotated in a reverse direction, the internal thread 304 is gradually separated from the outer surface of the tire valve core mouth, the tire valve core mouth is separated from the second sealing ring 5 until the tire valve core mouth extends out of the outer sleeve 301, and the input connector 1 is detached from the air source or the air bottle.
Because the inner wall of the ring plug portion 305 is provided with the first annular groove 307 which is in stop fit with one end of the snap ring step portion 306, the separation between the outer sleeve 301 and the inner sleeve 300 caused by the increase of the internal pressure of the gas passage 302 in the inflation process is avoided. In the present invention, the annular cover 303 is to avoid the problem that the outward displacement of the first seal ring 4 during the inflation process results in the reduction of the sealing performance.
The utility model discloses in, can be threaded connection, welding or integrated into one piece connected relation between thimble 2, guide part 201 and the guide bar 202, it is the integrated into one piece connected relation preferably between the three. Preferably, the input nozzle 1 and the inner sleeve 300 are welded by girth welding.
In a specific embodiment, the first sealing ring 4 and the second sealing ring 5 can be made of elastic materials. The elastic material may be selected from conventionally used rubber elastic materials. Preferably, the first sealing ring 4 includes an elastic sealing ring 400 located in the middle and rigid sealing rings 401 located at two ends of the elastic sealing ring 400, an annular clamping groove for accommodating the first sealing ring 4 is provided in the inner sleeve 300 located in the first sealing ring 4, the rigid sealing ring 401 at one end of the elastic sealing ring 400 is in spacing fit with a step portion of the annular clamping groove, and the rigid sealing ring 401 at the other end of the elastic sealing ring 400 is in spacing fit with a cover portion of the ring cover portion 303. The utility model discloses in, rigidity sealing washer 401 is in order to avoid guide bar 202 to remove the in-process in the front and back, and the displacement around driving elasticity sealing washer 400 to take place avoids taking place gas leakage phenomenon. The elastic sealing ring 400 can be made of an elastic material, and the rigid sealing ring 401 can be made of stainless steel or other steel materials.
Specifically, a second annular groove 308 is formed in the inner wall of the inner sleeve 300 located in the guide portion 201, the inner wall thread of the inner sleeve 300 corresponding to the guide portion 201 is located on the groove wall of the second annular groove 308, one end of the guide portion 201 moving back and forth is in stop fit with a step portion of the second annular groove 308, and the other end of the guide portion 201 is in stop fit with a rigid sealing ring 401 at one end of the elastic sealing ring 400. The second annular groove 308 provides a moving space for the guide portion 201 to move back and forth, so that transitional compression of the thimble 2 on the valve core rod of the tire is avoided, and the guide portion 201 is prevented from moving outwards to the first sealing ring 4 to reduce the sealing performance of the first sealing ring 4.
In order to avoid the utility model discloses when idle outer sleeve 301 make a round trip to slide on inner sleeve 300, the outer sleeve 301 inner wall that is located ring plug portion 305 department is equipped with and ends a complex turning portion 309 with the other end of snap ring step portion 306.
In order to better connect the internal thread 304 with the tire valve core mouth, the inner side of the end of the outer sleeve 301 located at the internal thread 304 extends inwards to form a clamping platform 310, and because the outer sleeve 301 has a certain displacement space on the inner sleeve 300, in order to avoid the influence of the clamping platform 310 on the second sealing ring 5, a gap exists between the clamping platform 310 and the outer side end of the second sealing ring 5.
In the embodiment of the present invention, the thimble 2 may be regular or irregular, and the adopted regular shape may be a column, including a cylinder or other columns. When a cylindrical thimble 2 structure is adopted, the thimble 2 includes a small diameter portion 203 and a large diameter portion 204, an inner end of the large diameter portion 204 is abutted with the guide portion 201, an outer end of the large diameter portion 204 is abutted with the small diameter portion 203, and the small diameter portion 203 is located inside the second seal ring 5. The large diameter portion 204 is for increasing the strength of the thimble 2, and the small diameter portion 203 is for avoiding interference with the second seal ring 5 (due to deformation of the second seal ring 5 when sealing with the tire valve stem portion), and affecting the fluency of the gas passage 302. The utility model discloses in, the butt joint indicates to correspond to connect, and the mode of butt joint can adopt threaded connection, welding or integrated into one piece processing to form.
Preferably, the end of the small diameter part 203 is provided with a frustum 205 which is in tight fit with the core rod of the tire valve core, and the small diameter end of the frustum 205 is on the same side as the end of the small diameter part 203. The frustum 205 can increase the contact area with the tire valve core rod, and realize effective contact with the tire valve core rod.
Specifically, the input nozzle 1 is provided with an external thread 100 connected with an air source.
Preferably, in order to facilitate the guide rod 202 to control the rotation of the guide portion 201, the end of the guide rod 202 extending to the outside of the annular cover portion 303 is provided with a handle 6.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A tire inflation connector comprises an input connector (1), a tire valve core connecting part and an ejector pin (2), and is characterized in that,
the tire valve core connecting part comprises a tubular inner sleeve (300) and an outer sleeve (301) which is sleeved on the inner sleeve (300) in a clearance fit manner with the inner sleeve (300);
the thimble (2) is arranged in an inner sleeve (300) in a penetrating manner, an air passage (302) allowing air to flow is formed between the whole body of the thimble (2) and the inner wall of the inner sleeve (300), the input connector (1) is fixed on the outer surface of the inner sleeve (300) and an inflation cavity inside the input connector (1) is communicated with the air passage (302), a guide part (201) in threaded fit with the inner sleeve (300) is arranged at the end part of the thimble (2) positioned at the air inlet end of the air passage (302), the guide part (201) can move back and forth along the threads on the inner wall of the inner sleeve (300), the movable guide part (201) can enable the thimble (2) to be abutted against and tightly matched with a tire valve core rod, a guide rod (202) is arranged on one end of the outer side of the guide part (201) in an extending manner, a first sealing ring (4) is arranged between the guide rod (202) and the inner wall of the inner sleeve (300), and a ring cover part (303) is fixedly arranged between the inner sleeve ( The guide rod (202) extends to the outer side of the annular cover part (303);
outer sleeve (301) tip inboard that is located inner sleeve (300) the end of giving vent to anger is equipped with internal thread (304) with tire valve core mouth external surface screw-thread fit, and inner sleeve (300) the end inboard card of giving vent to anger is equipped with tire valve core mouth seal fit's second sealing washer (5), the other one end of outer sleeve (301) extends to input spigot joint (1) department to outer sleeve (301) one end inner wall sets firmly ring plug portion (305) with inner sleeve (300) outer wall clearance fit, is located to have snap ring step portion (306) on inner sleeve (300) outer wall of ring plug portion (305) department, be equipped with on ring plug portion (305) inner wall and end a complex first ring channel (307) with snap ring step portion (306).
2. The tire inflation nozzle according to claim 1, wherein the first sealing ring (4) comprises an elastic sealing ring (400) located in the middle and rigid sealing rings (401) located at two ends of the elastic sealing ring (400), an annular clamping groove for accommodating the first sealing ring (4) is arranged in the inner sleeve (300) of the first sealing ring (4), the rigid sealing ring (401) at one end of the elastic sealing ring (400) is in limit fit with a step part of the annular clamping groove, and the rigid sealing ring (401) at the other end of the elastic sealing ring (400) is in limit fit with a cover part of the annular cover part (303).
3. A tire inflation nozzle according to claim 2, wherein the inner wall of the inner sleeve (300) located at the guide portion (201) is provided with a second annular groove (308), the inner wall of the inner sleeve (300) corresponding to the guide portion (201) is threaded on the wall of the second annular groove (308), one end of the guide portion (201) moving forward and backward is in stop fit with the step portion of the second annular groove (308), and the other end of the guide portion (201) is in stop fit with the rigid sealing ring (401) at one end of the elastic sealing ring (400).
4. A tire inflation nozzle according to claim 1, 2 or 3, wherein the inner wall of the outer sleeve (301) at the annular plug portion (305) is provided with a turn portion (309) which engages with the other end of the snap ring step portion (306) in a stop engagement.
5. A tire inflation nozzle according to claim 1, 2 or 3, wherein the end of the outer sleeve (301) at the internal thread (304) extends inwardly to form a catch (310), and a gap exists between the catch (310) and the outer end of the second sealing ring (5).
6. A tire inflation nozzle according to claim 1, 2 or 3, wherein said thimble (2) comprises a small diameter portion (203) and a large diameter portion (204), an inner end of said large diameter portion (204) is butted against the guide portion (201), an outer end of said large diameter portion (204) is butted against the small diameter portion (203), and the small diameter portion (203) is located inside the second seal ring (5).
7. A tire inflation nozzle according to claim 6, wherein the end of the small diameter part (203) is provided with a frustum (205) which is abutted with the tire valve core rod, and the small diameter end of the frustum (205) is on the same side as the end of the small diameter part (203).
8. A tyre inflation nozzle as claimed in claim 1, 2 or 3, characterized in that the inlet nozzle (1) is provided with an external thread (100) for connection to an air supply.
9. A tire inflation nozzle according to claim 1, 2 or 3, wherein the end of the guide rod (202) extending to the outside of the annular cover portion (303) is provided with a handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207810.9U CN210266043U (en) | 2019-07-30 | 2019-07-30 | Tire inflation connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207810.9U CN210266043U (en) | 2019-07-30 | 2019-07-30 | Tire inflation connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266043U true CN210266043U (en) | 2020-04-07 |
Family
ID=70015002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921207810.9U Active CN210266043U (en) | 2019-07-30 | 2019-07-30 | Tire inflation connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572076A (en) * | 2020-12-24 | 2021-03-30 | 宁波海诺斯汽车科技有限公司 | Inflating valve and using method thereof |
-
2019
- 2019-07-30 CN CN201921207810.9U patent/CN210266043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572076A (en) * | 2020-12-24 | 2021-03-30 | 宁波海诺斯汽车科技有限公司 | Inflating valve and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20130031766A (en) | Tire repair device containing tire cement | |
| CN210266043U (en) | Tire inflation connector | |
| CN104565802A (en) | High-pressure gas cylinder, and inflating sealing structure and inflating method thereof | |
| CN216666839U (en) | Quick-operation joint and quick-operation joint subassembly | |
| CN203159186U (en) | Liquid filling valve | |
| CN202209522U (en) | Steel-bottle charging connector | |
| CN211477486U (en) | Tire barometer convenient to detect | |
| CN204554164U (en) | A kind of low voltage experiment machine butt joint | |
| CN211667321U (en) | A quick sealed frock for liquid cooling gas tightness detects | |
| CN211651956U (en) | Automatic locking sealing inflation head for air tightness detection process | |
| CN202972258U (en) | Automatically pneumatic tire repair fluid connector of tire | |
| CN208816767U (en) | Multifunctional inflating gas nozzle | |
| CN106895258B (en) | Carbon dioxide gas cylinder filling joint with high sealing performance | |
| CN212455881U (en) | Manual vacuum sealing and inflating device | |
| CN207161417U (en) | Superposing type gold utensil cylinder | |
| CN111413032A (en) | Automatic locking sealing inflation head for air tightness detection process | |
| CN214450071U (en) | Switching pressurizing air nozzle structure for bicycle tire | |
| CN205977619U (en) | Bicycle for inflater air nozzle connect | |
| CN216046157U (en) | Leakage-proof plug for automobile air conditioner | |
| CN212644223U (en) | Carbon dioxide fills dress structure | |
| CN221896770U (en) | Dual-purpose bicycle inflator pump air cock | |
| CN205877476U (en) | New -type multi -functional conversion mouth | |
| CN217559563U (en) | Interface conversion structure | |
| CN221034015U (en) | Quick-connection inflation air valve | |
| TWI542464B (en) | A car tonic bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |