CN104455815B - Tapered sealing pipe connector for excavator - Google Patents
Tapered sealing pipe connector for excavator Download PDFInfo
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- CN104455815B CN104455815B CN201410713398.3A CN201410713398A CN104455815B CN 104455815 B CN104455815 B CN 104455815B CN 201410713398 A CN201410713398 A CN 201410713398A CN 104455815 B CN104455815 B CN 104455815B
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- pipe section
- small
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
本发明公开了一种挖掘机用锥密封管接头，包括接头体、螺母、第一接管、套管和第二接管，所述接头体包括大管段、小管段、弯管段，接头体依次由小管段、弯管段、大管段连接而成；所述小管段与第二接管相连接，小管段与第二接管的连接处套有套管；所述大管段与第一接管通过螺母相连接；所述大管段为一段直管，直管的末端外圈设有外螺纹，大管段内开有锥形开口，锥形开口的大端开向接头体的外端，第一接管上安装有第一О型密封圈；所述小管段包括安装头、凹槽、阶梯轴段。本发明通过锥密封连接，能很好的实现密封性能，连接快速方便，使连接部分受力均匀，不易损坏开裂，提高了稳定性及工作寿命，密封性好，安全性能高，便于组装。
The invention discloses a cone-sealed pipe joint for an excavator, which comprises a joint body, a nut, a first connecting pipe, a sleeve and a second connecting pipe. The joint body includes a large pipe section, a small pipe section, and an elbow section. The small pipe section, the bent pipe section, and the large pipe section are connected; the small pipe section is connected with the second connecting pipe, and the connection between the small pipe section and the second connecting pipe is covered with a sleeve; the large pipe section is connected with the first connecting pipe through a nut ; The large pipe section is a section of straight pipe, the outer ring of the end of the straight pipe is provided with external threads, the large pipe section has a tapered opening, the large end of the tapered opening opens to the outer end of the joint body, and the first connecting pipe is equipped with The first О-type sealing ring; the small pipe section includes a mounting head, a groove, and a stepped shaft section. The invention can achieve good sealing performance through cone sealing connection, fast and convenient connection, uniform stress on the connection part, not easy to damage and crack, improved stability and working life, good sealing performance, high safety performance, and easy assembly.
Description
【技术领域】【Technical field】
本发明涉及连接管件制造技术领域，特别是挖掘机用锥密封管接头的技术领域。The invention relates to the technical field of connecting pipe fittings manufacturing, in particular to the technical field of cone-sealed pipe joints for excavators.
【背景技术】【Background technique】
管件是管道系统中起连接、控制、变向、分流、密封、支撑等作用的零部件的统称，是将管子连接管路的重要组成部分，根据连接方法可分为承插式管件、螺纹管件、法兰管件和焊接管件四类。管件多用与管子相同的材料制成，有弯头、法兰、三通管、四通管和异径管等。Pipe fittings are a general term for components that play the roles of connection, control, direction change, diversion, sealing, support, etc. in the pipeline system. They are an important part of connecting pipes to pipelines. , flange fittings and welded fittings four categories. Pipe fittings are mostly made of the same material as pipes, including elbows, flanges, tees, crosses, and reducers.
管件一般用来传输流体，为防止流体泄露，一般要求管件之间为无缝连接，要求相连的管件具有相互配合的尺寸，并且通过一定的结合方式连接管件，如承插连接时，一般需要在接头处安装或缠绕密封材料，管端螺纹连接时，要有配合装置，法兰连接时，需要许多配件。Pipe fittings are generally used to transmit fluid. In order to prevent fluid leakage, it is generally required to be seamlessly connected between pipe fittings. Install or wrap sealing material at the joint, when the pipe end is threaded, there must be a matching device, and when the flange is connected, many accessories are required.
挖掘机的液压系统是把各种液压元件用管路有机地连接起来的组合体。主要包含了液压油箱、主泵、多路阀、各管路及执行各动作的油缸、马达等部件。其功能是，以油液为工作介质，利用液压泵将发动机的机械能转变为液压能并进行传送，然后通过液压缸和液压马达等将液压能转返为机械能，实现挖掘机的各种动作。挖掘机的液压系统需要连接锥密封管，现有的锥密封管接头密封性不够，通用性差，拆装不方便，使用时受到很多限制。The hydraulic system of the excavator is a combination of various hydraulic components organically connected with pipelines. It mainly includes hydraulic oil tank, main pump, multi-way valve, various pipelines, oil cylinders and motors for performing various actions. Its function is to use oil as the working medium, use the hydraulic pump to convert the mechanical energy of the engine into hydraulic energy and transmit it, and then convert the hydraulic energy back into mechanical energy through hydraulic cylinders and hydraulic motors to realize various actions of the excavator. The hydraulic system of the excavator needs to be connected with the conical sealing pipe. The existing conical sealing pipe joints have insufficient sealing performance, poor versatility, inconvenient disassembly and assembly, and are subject to many restrictions during use.
【发明内容】【Content of invention】
本发明的目的就是解决现有技术中的问题，提出一种挖掘机用锥密封管接头，连接快速方便，使连接部分受力均匀，不易损坏开裂，提高了连接的稳定 性及工作寿命，密封性好，安全性能高，便于组装。The purpose of the present invention is to solve the problems in the prior art, and propose a cone-sealed pipe joint for excavators. The connection is fast and convenient, the force on the connection part is uniform, it is not easy to be damaged and cracked, and the stability and working life of the connection are improved. Good performance, high safety performance, easy to assemble.
为实现上述目的，本发明提出了一种挖掘机用锥密封管接头，包括接头体、螺母、第一接管、套管和第二接管，所述接头体包括大管段、小管段、弯管段，接头体依次由小管段、弯管段、大管段连接而成；所述小管段与第二接管相连接，小管段与第二接管的连接处套有套管；所述大管段与第一接管通过螺母相连接；所述大管段为一段直管，直管的末端外圈设有外螺纹，大管段内开有锥形开口，锥形开口的大端开向接头体的外端，第一接管上安装有第一О型密封圈；所述小管段包括安装头、凹槽、阶梯轴段，所述第一接管前端设有锥形外壁，锥形外壁的小端开向第一接管的外端，锥形外壁上开有槽，槽内安装有第一О型密封圈，所述第一接管的锥形外壁与大管段的锥形开口相配合，实现第一接管和大管段的锥形挤压连接，第一О型密封圈挤入锥形开口内，实现大管段和第一接管之间的密封，所述螺母一段与外螺纹螺纹配合，第一接管的锥形外壁后段外壁上设有螺纹，螺母另一段与第一接管的螺纹相配合，所述小管段由阶梯轴段和安装头连接组成，阶梯轴段上开有凹槽，凹槽内安装有第二О型密封圈，所述套管的一端面开锥形孔作为接口，套管内设有第二接管，套管的接口与第二接管之间采用卡件倒钩连接，所述小管段的阶梯轴段压入套管的接口内，阶梯轴段伸入第二接管内，阶梯轴段上的第二О型密封圈挤入第二接管内，实现小管段的安装头和第二接管之间的密封，所述弯管段的角度为90°，大管段的第一内腔和小管段的第二内腔经过弯管段相连通；小管段的第二内腔端部开口处设有倒角。In order to achieve the above object, the present invention proposes a cone-sealed pipe joint for excavators, including a joint body, a nut, a first connecting pipe, a casing and a second connecting pipe, and the joint body includes a large pipe section, a small pipe section, and an elbow section , the joint body is sequentially connected by a small pipe section, an elbow section, and a large pipe section; The connecting pipes are connected by nuts; the large pipe section is a section of straight pipe, the outer ring of the end of the straight pipe is provided with external threads, and there is a tapered opening in the large pipe section, and the large end of the tapered opening opens to the outer end of the joint body. A first О-shaped sealing ring is installed on a connecting pipe; the small pipe section includes a mounting head, a groove, and a stepped shaft section, and the front end of the first connecting pipe is provided with a tapered outer wall, and the small end of the tapered outer wall opens to the first connecting pipe There is a groove on the outer end of the tapered outer wall, and a first О-shaped sealing ring is installed in the groove. The tapered outer wall of the first connecting pipe matches the tapered opening of the large pipe section to realize the connection between the first connecting pipe and the large pipe section. Conical extruded connection, the first О-shaped sealing ring is extruded into the conical opening to realize the seal between the large pipe section and the first connecting pipe. There are threads on the outer wall, and the other part of the nut matches the thread of the first connecting pipe. The small pipe part is composed of a stepped shaft part connected to the installation head. There is a groove on the stepped shaft part, and the second О type is installed in the groove. A sealing ring, a tapered hole is opened on one end of the casing as an interface, and a second connecting pipe is arranged in the casing, and the interface of the casing is connected with the second connecting pipe by a clip barb. The stepped shaft section of the small pipe section Press it into the interface of the casing, the stepped shaft section extends into the second connecting pipe, and the second О-shaped sealing ring on the stepped shaft section squeezes into the second connecting pipe to realize the sealing between the installation head of the small pipe section and the second connecting pipe , the angle of the bent pipe section is 90°, the first lumen of the large pipe section and the second lumen of the small pipe section communicate through the bent pipe section; the opening of the second lumen end of the small pipe section is provided with a chamfer.
本发明的有益效果：本发明通过接头体与第一接管锥密封连接，接头体和第二接管挤压连接，能很好的实现密封性能，弯头设计可实现流液的变向，第一接管与大管段锥形挤压连接，使连接快速方便，使连接部分受力均匀，不易损坏开裂，又由于第一接管上有第一О型密封圈挤入大管段锥形外壁内，使管 内流液不易泄漏，再使用螺母加以间接连接和固定，保证了连接的安全性；小管段和第二接管也使用挤压连接，通过第二О型密封圈密封，使用了套筒保护，可以有效防止管件出现破裂而引起的泄漏，也可提高管件与接头连接部位的硬度，提高了整个挖掘机用锥密封管接头连接的稳定性及工作寿命，整个接头密封性好，安全性能高，便于组装。Beneficial effects of the present invention: the present invention can achieve good sealing performance through the sealing connection between the joint body and the first connecting pipe cone, and the extruding connection between the joint body and the second connecting pipe. The conical extruded connection between the connecting pipe and the large pipe section makes the connection fast and convenient, and the force on the connecting part is uniform, and it is not easy to be damaged and cracked. In addition, because the first О-shaped sealing ring on the first connecting pipe is squeezed into the conical outer wall of the large pipe section, the inside of the pipe The fluid is not easy to leak, and the nut is used for indirect connection and fixing to ensure the safety of the connection; the small pipe section and the second connecting pipe are also connected by extrusion, sealed by the second О-shaped sealing ring, and protected by a sleeve, which can effectively Prevent leakage caused by cracking of pipe fittings, increase the hardness of the connection between pipe fittings and joints, improve the stability and working life of the connection of the entire excavator cone seal pipe joint, the entire joint has good sealing performance, high safety performance, and is easy to assemble .
本发明的特征及优点将通过实施例结合附图进行详细说明。The features and advantages of the present invention will be described in detail with reference to the accompanying drawings.
【附图说明】【Description of drawings】
图1是本发明一种挖掘机用锥密封管接头的连接示意图；Fig. 1 is the connection schematic diagram of a kind of excavator cone sealing pipe joint of the present invention;
图2是本发明一种挖掘机用锥密封管接头的连接局部示意图；Fig. 2 is a partial connection schematic diagram of a taper seal pipe joint for an excavator of the present invention;
图3是本发明一种挖掘机用锥密封管接头的另一连接局部示意图；Fig. 3 is another partial connection schematic diagram of a taper seal pipe joint for an excavator of the present invention;
图4是本发明一种挖掘机用锥密封管接头的接头体的结构示意图；Fig. 4 is a schematic structural view of a joint body of a taper seal pipe joint for an excavator of the present invention;
图5是本发明一种挖掘机用锥密封管接头的接头体的A-A剖视图；Fig. 5 is an A-A sectional view of a joint body of a taper seal pipe joint for an excavator of the present invention;
图6是本发明一种挖掘机用锥密封管接头的接头体的B局部放大图。Fig. 6 is a partially enlarged view of a joint body of a taper seal pipe joint for an excavator according to the present invention.
图中：1-接头体、11-大管段、111-外螺纹、112-锥形开口、113-第一内腔、12-小管段、121-安装头、122-凹槽、123-阶梯轴段、124-第二内腔、125-倒角、13-弯管段、2-螺母、3-第一接管、31-锥形外壁、32-螺纹、4-套管、41-接口、5-第二接管、6-第一О型密封圈、7-第二О型密封圈。In the figure: 1-joint body, 11-large pipe section, 111-external thread, 112-tapered opening, 113-first inner cavity, 12-small pipe section, 121-installation head, 122-groove, 123-step shaft Section, 124-second inner cavity, 125-chamfer, 13-bend pipe section, 2-nut, 3-first connecting pipe, 31-tapered outer wall, 32-thread, 4-sleeve, 41-interface, 5 -The second connecting pipe, 6-the first О-type sealing ring, 7-the second О-type sealing ring.
【具体实施方式】【detailed description】
参阅图1～图6，本发明，包括接头体1、螺母2、第一接管3、套管4和第二接管5，所述接头体1包括大管段11、小管段12、弯管段13，接头体1依次由小管段12、弯管段13、大管段11连接而成；所述小管段12与第二接管5相连接，小管段12与第二接管5的连接处套有套管4；所述大管段11与第一接管3通过螺母2相连接；所述大管段11为一段直管，直管的末端外圈设有外螺纹111，大管段11内开有锥形开口112，锥形开口112的大端开向接头体1的外端，第一接管3上安装有第一О型密封圈6；所述小管段12包括安装头121、凹槽122、阶梯轴段123。所述第一接管3前端设有锥形外壁31，锥形外壁31的小端开向第一接管3的外端，锥形外壁31上开有槽，槽内安装有第一О型密封圈6。Referring to Figures 1 to 6, the present invention includes a joint body 1, a nut 2, a first connecting pipe 3, a sleeve 4 and a second connecting pipe 5, and the joint body 1 includes a large pipe section 11, a small pipe section 12, and an elbow section 13 , the joint body 1 is sequentially connected by a small pipe section 12, an elbow section 13, and a large pipe section 11; 4. The large pipe section 11 is connected with the first connecting pipe 3 through the nut 2; the large pipe section 11 is a section of straight pipe, the outer ring of the end of the straight pipe is provided with an external thread 111, and a tapered opening 112 is opened in the large pipe section 11 , the large end of the tapered opening 112 opens to the outer end of the joint body 1, and the first О-type sealing ring 6 is installed on the first connecting pipe 3; the small pipe section 12 includes a mounting head 121, a groove 122, and a stepped shaft section 123 . The front end of the first connecting pipe 3 is provided with a tapered outer wall 31, the small end of the tapered outer wall 31 opens to the outer end of the first connecting pipe 3, a groove is opened on the tapered outer wall 31, and a first О-shaped sealing ring is installed in the groove 6.
所述第一接管3的锥形外壁31与大管段11的锥形开口112相配合，实现第一接管3和大管段11的锥形挤压连接，第一О型密封圈6挤入锥形开口112内，实现大管段11和第一接管3之间的密封。所述螺母2一段与外螺纹111螺纹配合，第一接管3的锥形外壁31后段外壁上设有螺纹32，螺母2另一段与第一接管3的螺纹32相配合。所述小管段12由阶梯轴段123和安装头121连接组成，阶梯轴段123上开有凹槽122，凹槽122内安装有第二О型密封圈7。所述套管4的一端面开锥形孔作为接口41，套管4内设有第二接管5，套管4的接口41与第二接管5之间采用卡件倒钩连接。所述小管段12的阶梯轴段123压入套管4的接口41内，阶梯轴段123伸入第二接管5内，阶梯轴段123上的第二О型密封圈7挤入第二接管5内，实现小管段12的安装头121和第二接管5之间的密封。所述弯管段13的角度为90°，大管段11的第一内腔113和小管段12的第二内腔124经过弯管段13相连通；小管段12的第二内腔124端部开口处设有倒角125。The tapered outer wall 31 of the first connecting pipe 3 cooperates with the tapered opening 112 of the large pipe section 11 to realize the conical extrusion connection between the first connecting pipe 3 and the large pipe section 11, and the first О-shaped sealing ring 6 squeezes into the tapered In the opening 112, the sealing between the large pipe section 11 and the first connecting pipe 3 is realized. One section of the nut 2 is threadedly matched with the external thread 111 , the outer wall of the rear section of the tapered outer wall 31 of the first connecting pipe 3 is provided with a thread 32 , and the other section of the nut 2 is matched with the threaded thread 32 of the first connecting pipe 3 . The small pipe section 12 is composed of a stepped shaft section 123 connected to an installation head 121. A groove 122 is formed on the stepped shaft section 123, and a second О-shaped sealing ring 7 is installed in the groove 122. One end surface of the casing 4 has a tapered hole as an interface 41 , and a second connecting pipe 5 is arranged inside the casing 4 , and the interface 41 of the casing 4 is connected to the second connecting pipe 5 by a clip barb. The stepped shaft section 123 of the small pipe section 12 is pressed into the interface 41 of the casing 4, the stepped shaft section 123 extends into the second connecting pipe 5, and the second О-shaped sealing ring 7 on the stepped shaft section 123 squeezes into the second connecting pipe 5, the sealing between the installation head 121 of the small pipe section 12 and the second connecting pipe 5 is realized. The angle of the bent pipe section 13 is 90°, the first lumen 113 of the large pipe section 11 and the second lumen 124 of the small pipe section 12 communicate through the bent pipe section 13; the end of the second lumen 124 of the small pipe section 12 A chamfer 125 is provided at the opening.
本发明工作过程：Working process of the present invention:
本发明一种挖掘机用锥密封管接头在工作过程中，接头体1的小管段12与第二接管5密封连接，小管段12与第二接管5的连接处套有套管4，接头体1的大管段11与第一接管3通过螺母2相连接。During the working process of the cone-sealed pipe joint for excavators of the present invention, the small pipe section 12 of the joint body 1 is in sealing connection with the second connecting pipe 5, and the joint between the small pipe section 12 and the second connecting pipe 5 is covered with a casing 4, and the joint body The large pipe section 11 of 1 is connected with the first connecting pipe 3 through the nut 2.
大管段11的锥形开口112与第一接管3的锥形外壁31相配合，实现第一接管3和大管段11的锥形挤压连接，第一О型密封圈6挤入锥形开口112内，实现大管段11和第一接管3之间的密封。小管段12的阶梯轴段123压入套管4 的接口41内，阶梯轴段123伸入第二接管5内，阶梯轴段123上的第二О型密封圈7挤入第二接管5内，实现小管段12的安装头121和第二接管5之间的密封；套管4的接口41与第二接管5之间采用卡件倒钩连接。The tapered opening 112 of the large pipe section 11 cooperates with the tapered outer wall 31 of the first connecting pipe 3 to realize the conical extrusion connection between the first connecting pipe 3 and the large pipe section 11, and the first О-shaped sealing ring 6 squeezes into the tapered opening 112 Inside, the seal between the large pipe section 11 and the first connecting pipe 3 is realized. The stepped shaft section 123 of the small pipe section 12 is pressed into the interface 41 of the casing 4, the stepped shaft section 123 extends into the second connecting pipe 5, and the second О-shaped sealing ring 7 on the stepped shaft section 123 squeezes into the second connecting pipe 5 , to realize the sealing between the installation head 121 of the small pipe section 12 and the second connecting pipe 5; the connection between the interface 41 of the casing 4 and the second connecting pipe 5 is connected by a clip barb.
本发明通过接头体1与第一接管3锥密封连接，接头体1和第二接管5挤压连接，能很好的实现密封性能，弯头设计可实现流液的变向，第一接管3与大管段11锥形挤压连接，使连接快速方便，使连接部分受力均匀，不易损坏开裂，又由于第一接管3上有第一О型密封圈6挤入大管段11锥形外壁31内，使管内流液不易泄漏，再使用螺母2加以间接连接和固定，保证了连接的安全性；小管段12和第二接管5也使用挤压连接，通过第二О型密封圈7密封，使用了套筒保护，可以有效防止管件出现破裂而引起的泄漏，也可提高管件与接头连接部位的硬度，提高了整个挖掘机用锥密封管接头连接的稳定性及工作寿命，整个接头密封性好，安全性能高，便于组装。In the present invention, the joint body 1 is connected with the first connecting pipe 3 in a cone-sealed connection, and the joint body 1 and the second connecting pipe 5 are extruded and connected, so that the sealing performance can be well realized. Conical extruding connection with the large pipe section 11 makes the connection fast and convenient, makes the connecting part evenly stressed, and is not easy to be damaged and cracked, and because the first О-shaped sealing ring 6 on the first connecting pipe 3 squeezes into the tapered outer wall 31 of the large pipe section 11 inside, so that the liquid in the pipe is not easy to leak, and then use the nut 2 to indirectly connect and fix it to ensure the safety of the connection; the small pipe section 12 and the second connecting pipe 5 are also connected by extrusion, and are sealed by the second О-shaped sealing ring 7, The use of sleeve protection can effectively prevent the leakage caused by the rupture of the pipe fittings, and can also increase the hardness of the connection between the pipe fittings and the joints, improving the stability and working life of the connection of the taper seal pipe joints used for the excavator, and the sealing performance of the entire joints. Well, high safety performance and easy assembly.
上述实施例是对本发明的说明，不是对本发明的限定，任何对本发明简单变换后的方案均属于本发明的保护范围。The above-mentioned embodiment is an illustration of the present invention, not a limitation of the present invention, and any scheme after simple transformation of the present invention belongs to the protection scope of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410713398.3A CN104455815B (en) | 2014-11-30 | 2014-11-30 | Tapered sealing pipe connector for excavator |
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| CN201410713398.3A CN104455815B (en) | 2014-11-30 | 2014-11-30 | Tapered sealing pipe connector for excavator |
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| CN104455815B true CN104455815B (en) | 2017-01-25 |
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| CN104874749B (en) * | 2015-06-10 | 2017-05-17 | 无锡市华佩机械制造有限公司 | Conical surface sealing structure for slip flask plates |
| DE102015222159A1 (en) * | 2015-11-11 | 2017-05-11 | Robert Bosch Gmbh | Coupling means for a machine tool |
| CN116733050B (en) * | 2023-08-16 | 2023-10-20 | 徐州巴特工程机械股份有限公司 | Quick-change connector device of one-machine multipurpose excavator |
| CN117386915B (en) * | 2023-12-12 | 2024-02-23 | 江阴标榜汽车部件股份有限公司 | Pipeline joint of automobile power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11325362A (en) * | 1998-05-13 | 1999-11-26 | Smc Corp | Pipe joint |
| JP3372886B2 (en) * | 1999-02-18 | 2003-02-04 | エスエムシー株式会社 | Pipe fittings |
| JP2006010010A (en) * | 2004-06-29 | 2006-01-12 | Smc Corp | Pipe fitting |
| CN2775445Y (en) * | 2005-02-21 | 2006-04-26 | 成都市川油科技发展有限公司 | High pressure pipeline seal connector |
| US8282139B2 (en) * | 2009-03-02 | 2012-10-09 | Ti Group Automotive Systems, Llc | Quick connector with seal assembly retainer |
| JP5709096B2 (en) * | 2009-11-18 | 2015-04-30 | Smc株式会社 | Pipe fitting |
| CN204284716U (en) * | 2014-11-30 | 2015-04-22 | 嘉兴迈思特管件制造有限公司 | A kind of excavator cone sealing pipe joint |
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Address after: 314300 No.1 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Meisite Hydraulic Pipe Fitting Co.,Ltd. Address before: 314300 No.1 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: JIAXING MASTER PLUMBING CO.,LTD. |
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Application publication date: 20150325 Assignee: Shanghai Kaimoxuan Enterprise Management Consulting Partnership Enterprise (Limited Partnership) Assignor: Zhejiang Meisite Hydraulic Pipe Fitting Co.,Ltd. Contract record no.: X2024330000812 Denomination of invention: A cone sealing pipe joint for excavators Granted publication date: 20170125 License type: Common License Record date: 20241015 |
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