阅读说明：本技术 一种曲轴箱通风管行程开关 (Crankcase ventilation pipe travel switch ) 是由 徐城 徐君 钱立胜 余长旺 付抗 钱智 蒲新阳 曹鑫 于 2019-09-12 设计创作，主要内容包括：本发明涉及通风管行程开关技术领域,具体揭示了一种曲轴箱通风管行程开关,包括快插接头,快插接头内腔的中央活动插接有锁簧,快插接头的左侧活动插接有触电卡环,触电卡环右侧的环身上活动套接有O型圈,快插接头的左侧活动插接有SAE接头,快插接头的顶部固定连接有电气室。本发明通过SAE接头与触电卡环之间的结构设计,能够使触电卡环可以推动按键向底座内腔的顶部移动,再通过导电杆与插接片之间的位置关系,能够使导电杆可以与插接片连接在一起,从而使电路导通,而通过底座弹簧与按键压簧之间的结构设计,能够有效的减少按键向上移动时产生的冲击力,从而使该曲轴箱通风管行程开关达到了拥有较好的导通能力以及较好的缓冲能力的目的。(The invention relates to the technical field of ventilation pipe travel switches, and particularly discloses a crankcase ventilation pipe travel switch which comprises a quick-connection plug, wherein a lock spring is movably connected to the center of an inner cavity of the quick-connection plug in an inserted mode, an electric shock snap ring is movably connected to the left side of the quick-connection plug in an inserted mode, an O-shaped ring is movably sleeved on a ring body on the right side of the electric shock snap ring, an SAE (Electrical laboratory standards organization) connector is movably connected to the left side of the quick-connection plug in an inserted mode, and. According to the crankcase ventilation pipe travel switch, through the structural design between the SAE connector and the electric shock clamping ring, the electric shock clamping ring can push the key to move towards the top of the inner cavity of the base, and then through the position relation between the conductive rod and the insertion sheet, the conductive rod can be connected with the insertion sheet, so that a circuit is conducted, and through the structural design between the base spring and the key pressure spring, the impact force generated when the key moves upwards can be effectively reduced, so that the crankcase ventilation pipe travel switch achieves the purposes of good conduction capability and good buffering capability.)

1. The utility model provides a crankcase ventilation pipe travel switch, includes quick-connect connector (14), its characterized in that: the utility model discloses a quick connector (14) inner chamber, including quick connector (14), ring spring (11) are pegged graft in the activity of the central authorities of quick connector (14), the activity of the left side activity of quick connector (14) is pegged graft and is had electric shock snap ring (13), O type circle (12) have been cup jointed in the activity on the ring body on electric shock snap ring (13) right side, the activity of the left side activity of quick connector (14) is pegged graft and is had SAE joint (15), the top fixedly connected with electric room of quick connector (14), the bottom activity of this electric room inner chamber is pegged graft and is had button (1), the top swing joint of button.

2. A crankcase ventilation duct travel switch according to claim 1 wherein: the quick connector is characterized in that a sealing button (10) is fixedly inserted in the center of an inner cavity of an electric room at the top of the quick connector (14), a plunger type travel switch (9) is movably connected in the center of the inner cavity of the sealing button (10), a PCB (printed circuit board) (8) is fixedly connected to the top of the sealing button (10), and an electric appliance box cover (7) is fixedly connected to the top of the PCB (8).

3. A crankcase ventilation duct travel switch according to claim 1 wherein: the middle of the inner cavity of the top of the base (5) is fixedly connected with a base spring (4), the middle of the bottom of the inner cavity of the key (1) is provided with a key pressure spring (2), the top of the key pressure spring (2) is connected with a conductive rod (3) in a penetrating manner, and the left side and the right side of the inner cavity of the base (5) are respectively provided with an inserting piece (6) in an inserting manner.

4. A crankcase ventilation duct travel switch according to claim 3 wherein: the conducting rod (3) is located at the bottom of the two insertion pieces (6), metal connecting blocks are arranged on the left side and the right side of the top of the conducting rod (3), and the metal connecting blocks are located at the bottom of the insertion pieces (6).

5. A crankcase ventilation duct travel switch according to claim 3 wherein: the shape and the size of the side surface of the O-shaped ring (12) are matched with the shape and the size of the side surface of the electric shock clamping ring (13), and the shape and the size of the side surface of the lock spring (11) are matched with the shape and the size of the side surface of the quick connector (14).

6. A crankcase ventilation duct travel switch according to claim 2 wherein: the sealing button (10) is fixedly connected together by pouring glue after being inserted into the electric room.

7. A crankcase ventilation duct travel switch according to claim 1 wherein: the button (1) is positioned at the top of the quick-connection plug (14), the button (1) is positioned in an inner cavity at the bottom of the base (5), and the length of the front surface of the button (1) is matched with the length of the front surface of the base (5).

8. A crankcase ventilation duct travel switch according to claim 2 wherein: the plunger type travel switches (9) are positioned at the left side and the right side of the top of the conducting rod (3).

Technical Field

The invention relates to the technical field of ventilation pipe travel switches, in particular to a crankcase ventilation pipe travel switch.

Background

The lower part of the cylinder body is used for installing a crankshaft and is called a crankcase, the crankcase is divided into an upper crankcase and a lower crankcase, the upper crankcase and the cylinder body are cast into a whole, the lower crankcase is used for storing lubricating oil and closing the upper crankcase, so the crankcase is also called an oil pan drawing, the stress of the oil pan is small, the oil pan is generally formed by stamping a thin steel plate, the shape of the oil pan depends on the overall arrangement of an engine and the capacity of the engine oil, an oil stabilizing baffle is arranged in the oil pan to prevent the oil surface from fluctuating too much when an automobile is overturned, an oil drain plug screw is also arranged at the bottom of the oil pan, and a permanent magnet is usually arranged on the oil. Gaskets are provided between the mating surfaces of the upper and lower crankcases to prevent leakage of lubricating oil.

At present, the crankcase can discharge a large amount of crankcase blowby gases at the during operation, and the crankcase blowby gases is a harmful gas, can pollute the atmospheric environment, make it can be with the bent axle blowby gases through the separation of oil-gas separation system in the crankcase under crankcase ventilation pipe travel switch's effect, the air intake system of the leading-in cylinder that is smooth once more burns again, poisonous gas in not only can effectual reduction bent axle blowby gases, but current crankcase ventilation pipe travel switch not only leads to the conductibility poor, and the pole body that promotes the conducting rod after long-term the use can appear damaging, thereby make the poor condition of contact can appear in the conductivity between inserted sheet and the conducting rod.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the crankcase ventilation pipe travel switch which has the advantages of good conduction capability and good buffering capability, and solves the problems that the conventional crankcase ventilation pipe travel switch is poor in conduction performance, and the rod body pushing the conducting rod is damaged after the conventional crankcase ventilation pipe travel switch is used for a long time, so that poor contact can be caused in the conduction performance between the insertion sheet and the conducting rod.

The invention discloses a crankcase ventilation pipe travel switch which comprises a quick-plug connector, wherein a lock spring is movably inserted in the center of an inner cavity of the quick-plug connector, an electric shock snap ring is movably inserted in the left side of the quick-plug connector, an O-shaped ring is movably sleeved on a ring body on the right side of the electric shock snap ring, an SAE (Electrical laboratory standards organization) connector is movably inserted in the left side of the quick-plug connector, an electric room is fixedly connected to the top of the quick-plug connector, a key is movably inserted in the bottom of the inner cavity of the electric room, the top of the key is movably connected with a base, and plunger type travel switches are positioned on the left side and the right.

According to the crankcase ventilation pipe travel switch, the sealing button is fixedly inserted in the center of the inner cavity of the electric chamber at the top of the quick insertion joint, the plunger type travel switch is movably connected in the center of the inner cavity of the sealing button, the top of the sealing button is fixedly connected with the PCB, and the top of the PCB is fixedly connected with the electric appliance box cover.

The crankcase ventilation pipe travel switch is characterized in that a base spring is fixedly connected to the center of an inner cavity in the top of the base, a key pressure spring is arranged in the center of the bottom of the key inner cavity, a conductive rod is connected to the top of the key pressure spring in a penetrating mode, and inserting pieces are inserted into the left side and the right side of the inner cavity of the base.

According to the crankcase ventilation pipe travel switch, the conductive rod is located at the bottoms of the two insertion pieces, the left side and the right side of the top of the conductive rod are both provided with the metal connecting blocks, and the metal connecting blocks are located at the bottoms of the insertion pieces.

According to the crankcase ventilation pipe travel switch, the shape and the size of the side face of the O-shaped ring are matched with those of the side face of the electric shock clamping ring, and the shape and the size of the side face of the locking spring are matched with those of the side face of the quick connector.

According to the crankcase ventilation pipe travel switch, the sealing button is inserted into the electric chamber and then fixedly connected together through pouring glue.

According to the crankcase ventilation pipe travel switch, the key is located at the top of the quick-connection plug, the key is located in the inner cavity of the bottom of the base, and the length of the front face of the key is matched with the length of the front face of the base.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can facilitate the staff to connect the quick connector with the air outlet pipe joint and the air filtering side air inlet pipe of the oil-gas separation system through the structural design of the sealing pipe on the right side of the quick connector, and simultaneously facilitate the staff to fix the air outlet pipe joint and the air filtering side air inlet pipe of the oil-gas separation system in the quick connector through the structural design between the lock spring and the quick connector, and then enable the quick connector and the air outlet pipe joint and the air filtering side air inlet pipe of the oil-gas separation system to be connected together in a sealing way through the structural design between the O-shaped ring and the quick connector, and enable the electric shock snap ring to push the key to move towards the top of the inner cavity of the base through the structural design between the SAE connector and the electric shock snap ring, and enable the conductive rod to be connected with the insertion piece through the position relation between the conductive rod and the insertion piece, thereby enabling the, and through the structural design between base spring and the button pressure spring, the impact force that produces when can effectual reduction button rebound to make this crankcase ventilation pipe travel switch reach the purpose that has better conductivity and better buffer capacity.

2. The invention can seal the PCB board and the plunger type travel switch in the electric chamber by the electric appliance box cover through the connection mode between the electric appliance box cover and the PCB board and the plunger type travel switch, thereby improving the mode capability of the device, and the wear resistance of the device is improved by the contact mode that the contact between the electric shock snap ring and the SAE joint is surface contact, thereby leading the crankcase ventilation pipe travel switch to achieve the purposes of prolonging the service life and preventing water.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a front view of the present invention in cross-section;

fig. 2 is a schematic front sectional view of an electrical room according to the present invention.

In the figure: 1. pressing a key; 2. a key press spring; 3. a conductive rod; 4. a base spring; 5. a base; 6. a plug-in sheet; 7. an electric appliance box cover; 8. a PCB board; 9. a plunger type travel switch; 10. a sealing button; 11. a locking spring; 12. an O-shaped ring; 13. an electric shock snap ring; 14. a quick connector; 15. SAE joint.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, a crankcase ventilation pipe travel switch comprises a quick connector 14, a lock spring 11 is movably inserted in the center of an inner cavity of the quick connector 14, an electric shock snap ring 13 is movably inserted in the left side of the quick connector 14, an O-ring 12 is movably sleeved on a ring body on the right side of the electric shock snap ring 13, an SAE connector 15 is movably inserted in the left side of the quick connector 14, an electric room is fixedly connected to the top of the quick connector 14, a key 1 is movably inserted in the bottom of the inner cavity of the electric room, a base 5 is movably connected to the top of the key 1, and plunger type travel switches 9 are located on the left side and the right side of the top of a conductive rod.

The center of the inner cavity of the electric room at the top of the quick connector 14 is fixedly inserted with a sealing button 10, the center of the inner cavity of the sealing button 10 is movably connected with a plunger type travel switch 9, the top of the sealing button 10 is fixedly connected with a PCB 8, the top of the PCB 8 is fixedly connected with an electric appliance box cover 7, and the design is beneficial to facilitating a worker to insert the plunger type travel switch 9, the sealing button 10 and the PCB 8 into the electric room and seal the electric appliance box cover 7.

The central fixedly connected with base spring 4 of 5 top inner chambers of base, the central authorities of 1 inner chamber bottom of button are equipped with button pressure spring 2, and the top through connection of button pressure spring 2 has conducting rod 3, and the left and right sides of the inner chamber of base 5 all pegs graft and have plug-in sheet 6, and this design is benefited in the device and can be switched on through electronic pole 3 and plug-in sheet 6.

Conducting rod 3 is located the bottom of two insertion pieces 6, and the metal connecting block has all been seted up to the left and right sides at conducting rod 3 top, and this metal connecting piece is located the bottom of insertion piece 6, thereby this design can link together with the bottom of insertion piece 6 when being of value to conducting rod 3 upwards to be led to.

The shape and size of the side surface of the O-shaped ring 12 are matched with the shape and size of the side surface of the electric shock clamping ring 13, the shape and size of the side surface of the locking spring 11 are matched with the shape and size of the side surface of the quick-connection plug 14, and the design is beneficial to sealing and fixing the pipeline inserted into the quick-connection plug 14 by the O-shaped ring 12 and the locking spring 11.

The sealing button 10 is fixedly connected together by pouring glue after being inserted into the electrical chamber, and the design is beneficial to be capable of sealing the sealing button 10 together with the PCB board 8 and the plunger type travel switch 9 in the electrical chamber.

The key 1 is located at the top of the quick connector 14, the key 1 is located in the inner cavity of the bottom of the base 5, the length of the front face of the key 1 is matched with that of the front face of the base 5, and the design is beneficial to the fact that the key 1 can move up and down in the inner cavity of the base 5.

When the invention is used, the O-shaped ring 12 is firstly put into the inner cavity of the quick connector 14, the electric shock snap ring 13 is inserted into the inner cavity of the quick connector 14, the air outlet pipe joint and the air filter side air inlet pipe joint of the oil-gas separation system are respectively inserted into the quick connectors 14 at two ends and are matched through the locking spring 11 to ensure that the air outlet pipe joint and the air filter side air inlet pipe joint of the oil-gas separation system are clamped in the quick connector 14 and are sealed through the O-shaped ring 12, the plunger type travel switch 9 is welded on the PCB 8, the sealing button 10 is sleeved on the plunger type travel switch 9, the electronic element welded on the PCB 8 is pressed into the electric chamber of the quick connector 14, after glue is filled, the electric appliance box cover 7 is pressed flatly and is finally welded firmly by ultrasonic, finally the SAE joint 15 is inserted into the inner cavity of the quick connector 14 to ensure that the electric shock snap ring 13 moves upwards so as to jack the key 1, the key 1 moves upwards to jack up the key pressure spring 2, the key pressure spring 2 can push the conducting rod 3 to continue moving upwards until the conducting rod 3 is attached to the inserting sheet 6 to form a passage to start working, and in the upward movement process of the conducting rod 3, the base spring 4 always keeps reverse thrust to push the conducting rod 3 to move downwards, so that the triggered effectiveness of the switch under special conditions is guaranteed.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.