CN214464468U

CN214464468U - High-durability mechanical actuator

Info

Publication number: CN214464468U
Application number: CN202023049501.9U
Authority: CN
Inventors: 赵建国; 朱宜婷
Original assignee: Fenghong Haili Auto Technology Kunshan Co ltd
Current assignee: Fenghong Haili Auto Technology Kunshan Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-22
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a high durability mechanical actuator relates to automotive actuator technical field, and the durability that aims at solving current mechanical actuator generally is 200 ten thousand times, and the durability is low, can't satisfy the problem of the condition under different operating modes through high durability. The technical scheme is that the pneumatic air-conditioning device comprises an upper cover and a lower shell connected to the bottom surface of the upper cover, wherein a hose connector used for air inlet is communicated with the outer circumferential side wall of the upper cover, a diaphragm and a piston located below the diaphragm are arranged in the upper cover, a pull rod connected with a valve at the driving end of an actuator is arranged in the center of the piston in a penetrating mode, and a spring with the elastic direction being consistent with the axial direction of the pull rod is sleeved on the pull rod. When air is fed from the hose connector, the diaphragm and the piston are pushed downwards, the spring is compressed, the pull rod moves downwards under the action of the piston, the valve is driven by the actuator, the spring adjusts the pressure of the pull rod, the durability of the actuator can reach 500 ten thousand times, and the reliability and the durability of a sub-product are improved.

Description

High-durability mechanical actuator

Technical Field

The utility model belongs to the technical field of automobile actuator's technique and specifically relates to a high durability mechanical actuator is related to.

Background

With the development of science and technology, the requirements of people on automobile engines are more and more demanding, and the engines are required to have extremely high efficiency and sufficiently clean emission as well as strong power, so that the engines can reach the most efficient working state under various working conditions.

Therefore, the requirements on the air inflow under various working states of the engine are met, meanwhile, all parts of the engine can meet the conditions under different working conditions through high durability, the durability of the actuator is improved to 500 ten thousand times, and the service life of the engine is prolonged.

However, the durability of the existing mechanical actuator is generally 200 ten thousand times, the durability is low, and the condition under different working conditions cannot be met through high durability, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high durability mechanical actuator, it has the effect that improves the durability.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a high durability mechanical actuator, includes the upper cover and connects the lower casing on the upper cover bottom surface, the intercommunication has the hose connector that is used for admitting air on the outer circumference lateral wall of upper cover, be provided with the diaphragm in the upper cover and be located the piston of diaphragm below, the pull rod that links to each other with executor drive end valve is worn to be equipped with in the center department of piston, the cover is equipped with the spring that elasticity direction and pull rod axial are unanimous on the pull rod.

The utility model discloses further set up to: the top end of the pull rod sequentially penetrates through the piston and the diaphragm, one end of the pull rod penetrating through the diaphragm is coaxially connected with a guide rod, and two ends of the guide rod are abutted to the inner wall of the upper cover.

The utility model discloses further set up to: the sections at the two ends of the guide rod are both crescent-shaped.

The utility model discloses further set up to: and a gasket is arranged between the piston and the diaphragm.

The utility model discloses further set up to: the inner bottom wall of the lower shell is provided with a fixed cylinder, the pull rod is inserted into the fixed cylinder, the inner diameter of the fixed cylinder is larger than the outer diameter of the pull rod, and the spring is sleeved outside the fixed cylinder.

The utility model discloses further set up to: a spring stop ring is coaxially sleeved outside the fixed cylinder, and an accommodating groove for accommodating a spring is formed in the spring stop ring.

The utility model discloses further set up to: offer the groove of stepping down that supplies the pull rod to wear out on the interior diapire of casing down, the groove department of stepping down is provided with the sealing washer, the sealing washer is located the fixed cylinder below.

The utility model discloses further set up to: and a bolt is connected between the fixed cylinder and the lower shell.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the spring and the piston, when air is fed from the hose connector, the diaphragm and the piston are pushed downwards, the spring is compressed, the pull rod also moves downwards under the action of the piston, a valve is driven by the actuator, the pressure of the pull rod is adjusted by the spring, the durability of the actuator can reach 500 ten thousand times, and the reliability and the durability of a sub-component product are improved;

2. through the arrangement of the guide rod, when the diaphragm, the piston and the pull rod move downwards together, the guide rod moves downwards along with the pull rod, and because two ends of the guide rod are always abutted against the inner wall of the upper cover, the pull rod is ensured to move along the vertical direction all the time without deflection, and the accuracy of the pull rod in motion is improved;

3. through the setting of sealing washer, prevent that external dust from getting into down the casing through the groove of stepping down.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic overall sectional structure of an embodiment of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure according to an embodiment of the present invention.

In the figure, 1, an upper cover; 11. a hose connector; 2. a lower housing; 21. a yielding groove; 22. a seal ring; 3. a piston; 31. a membrane; 32. a gasket; 4. a pull rod; 41. a guide bar; 5. a spring; 6. a fixed cylinder; 61. a bolt; 7. a spring stop ring; 71. and (6) accommodating the tank.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, for the utility model discloses a high durability mechanical actuator, including upper cover 1 and connect the lower casing 2 on upper cover 1 bottom surface, the intercommunication has the hose connector 11 that is used for admitting air on the outer circumference lateral wall of upper cover 1, is provided with diaphragm 31 and the piston 3 that is located diaphragm 31 below in the upper cover 1, and the diaphragm 31 leaks gas when preventing to admit air, improves the leakproofness of piston 3 department. A gasket 32 is provided between the piston 3 and the diaphragm 31, and the gasket 32 further improves the sealing property at the joint to prevent air leakage. The center of the piston 3 is provided with a pull rod 4 connected with a valve at the driving end of the actuator in a penetrating way, and the top end of the pull rod 4 sequentially penetrates through the piston 3 and the diaphragm 31. The pull rod 4 is sleeved with a spring 5 with the elastic direction consistent with the axial direction of the pull rod 4. When air is supplied from the hose connector 11, the diaphragm 31 and the piston 3 are pushed downwards, the spring 5 is compressed, and the pull rod 4 is also moved downwards under the action of the piston 3, so that the valve at the driving end of the actuator is controlled. The spring 5 adjusts the pressure of the pull rod 4, the durability of the actuator can reach 500 ten thousand times, and the reliability and the durability of the sub-part product are improved.

Referring to fig. 2 and 3, in order to ensure that the pull rod 4 always moves in the vertical direction and does not shift, a guide rod 41 is coaxially connected to one end of the pull rod 4 penetrating through the membrane 31, and both ends of the guide rod 41 abut against the inner wall of the upper cover 1. When the diaphragm 31, the piston 3 and the pull rod 4 move downwards together, the guide rod 41 moves downwards along with the pull rod 4, and because two ends of the guide rod 41 are always abutted against the inner wall of the upper cover 1, the pull rod 4 is ensured to move along the vertical direction all the time without deviation, and the accuracy of the pull rod 4 in movement is improved. The sections of the two ends of the guide rod 41 are both crescent-shaped, so that the contact area between the two ends of the guide rod 41 and the inner wall of the upper cover 1 is reduced, the abrasion between the guide rod 41 and the upper cover 1 is reduced, and the service life of the guide rod 41 is prolonged.

Referring to fig. 2 and 3, a fixed cylinder 6 is provided on the inner bottom wall of the lower case 2, and the cross-sectional shape of the fixed cylinder 6 is T-shaped. A bolt 61 is connected between the fixed cylinder 6 and the lower housing 2. The pull rod 4 is inserted into the fixed cylinder 6, the inner diameter of the fixed cylinder 6 is larger than the outer diameter of the pull rod 4, and the spring 5 is sleeved outside the fixed cylinder 6. The fixed cylinder 6 can also be used for limiting the stroke of the piston 3, and the protective membrane 31 is not easy to damage. In order to prevent the spring 5 from deforming and deviating, a spring stop ring 7 is coaxially sleeved outside the fixed cylinder 6, and a receiving groove 71 for placing the spring 5 is formed in the spring stop ring 7. Offer the groove of stepping down 21 that supplies pull rod 4 to wear out on the interior diapire of casing 2 down, the groove of stepping down 21 department is provided with sealing washer 22, and sealing washer 22 is located fixed cylinder 6 below, prevents that external dust from getting into in casing 2 down through the groove of stepping down 21.

The implementation principle of the embodiment is as follows: when air is supplied from the hose connector 11, the diaphragm 31 and the piston 3 are pushed downwards, the spring 5 is compressed, and the pull rod 4 is also moved downwards under the action of the piston 3, so that the valve at the driving end of the actuator is controlled. The spring 5 adjusts the pressure of the pull rod 4, the durability of the actuator can reach 500 ten thousand times, and the reliability and the durability of the sub-part product are improved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A high durability mechanical actuator comprising an upper cover (1) and a lower case (2) attached to the bottom surface of the upper cover (1), characterized in that: the air inlet device is characterized in that a hose connector (11) used for air inlet is communicated with the outer circumferential side wall of the upper cover (1), a diaphragm (31) and a piston (3) located below the diaphragm (31) are arranged in the upper cover (1), a pull rod (4) connected with a valve at the driving end of an actuator is arranged at the center of the piston (3) in a penetrating mode, and a spring (5) with the elastic direction being consistent with the axial direction of the pull rod (4) is sleeved on the pull rod (4).

2. A high durability mechanical actuator as claimed in claim 1, wherein: the top of pull rod (4) passes piston (3), diaphragm (31) setting in proper order, the one end coaxial coupling that diaphragm (31) were worn out in pull rod (4) has guide bar (41), the both ends of guide bar (41) offset with the inner wall of upper cover (1).

3. A high durability mechanical actuator as claimed in claim 2, wherein: the sections of the two ends of the guide rod (41) are crescent.

4. A high durability mechanical actuator as claimed in claim 1, wherein: a gasket (32) is arranged between the piston (3) and the diaphragm (31).

5. A high durability mechanical actuator as claimed in claim 1, wherein: the inner bottom wall of the lower shell (2) is provided with a fixed cylinder (6), the pull rod (4) is inserted into the fixed cylinder (6), the inner diameter of the fixed cylinder (6) is larger than the outer diameter of the pull rod (4), and the spring (5) is sleeved outside the fixed cylinder (6).

6. The high durability mechanical actuator of claim 5 wherein: the outer coaxial cover of fixed section of thick bamboo (6) is equipped with spring backstop ring (7), set up holding tank (71) that supply spring (5) to place on spring backstop ring (7).

7. The high durability mechanical actuator of claim 5 wherein: offer on the interior diapire of lower casing (2) and supply yielding groove (21) that pull rod (4) wore out, yielding groove (21) department is provided with sealing washer (22), sealing washer (22) are located fixed section of thick bamboo (6) below.

8. The high durability mechanical actuator of claim 5 wherein: and a bolt (61) is connected between the fixed cylinder (6) and the lower shell (2).