CN210454932U - Pneumatic control switch of automobile steering mechanism adjusting system - Google Patents
Pneumatic control switch of automobile steering mechanism adjusting system Download PDFInfo
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- CN210454932U CN210454932U CN201920477673.4U CN201920477673U CN210454932U CN 210454932 U CN210454932 U CN 210454932U CN 201920477673 U CN201920477673 U CN 201920477673U CN 210454932 U CN210454932 U CN 210454932U
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- air
- ejector rod
- steering mechanism
- pneumatic control
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Abstract
The utility model discloses a pneumatic control switch of an automobile steering mechanism adjusting system, which comprises a switch shell, wherein three L-shaped semi-through holes with different diameters are arranged in parallel at the lower part of the switch shell and are respectively a switch air inlet hole, an actuating mechanism air vent and an air vent, a straight-through air pressure adjusting hole is horizontally arranged at the middle part of the switch shell, and a left ejector rod and a right ejector rod are symmetrically arranged at the left side and the right side in the straight-through air pressure adjusting hole; the top of the switch shell is provided with a gland with a left pressing piece and a right pressing piece on two sides, and the left pressing piece and the right pressing piece are respectively contacted with the end parts of the left ejector rod and the right ejector rod; the L end of the switch air inlet is communicated with an air source through a first embedded type quick plug-in pipe joint, and the L end of the execution mechanism air vent is communicated with an execution cylinder through a second embedded type quick plug-in pipe joint. The utility model has the advantages of reasonable structure, accurate control, reliable sealing, no noise and durability.
Description
Technical Field
The utility model belongs to the technical field of gas accuse switch, concretely relates to car steering mechanism governing system gas accuse switch.
Background
In the prior art, there is a manual pneumatic switch which can be used for the detent control of the position adjustment of the steering wheel of a medium or high-grade vehicle. When the starting gland of the pneumatic control switch is pressed down, gas in a gas source enters the execution cylinder through a gas circuit in the pneumatic control switch, so that the piston rod retracts, namely the lock pin retracts, at the moment, the height position of the steering wheel can be adjusted, after the steering wheel is adjusted, the return gland is pressed down, the gas in the execution cylinder is rapidly discharged, the piston rod is rapidly returned, namely the lock pin rapidly extends out to lock the steering wheel. Because the air path structure of the manual pneumatic control switch is complex, the time delay control is precise, the sealing requirement is strict, the realization difficulty is very high, most products are not closed, and therefore, the products can not be sold in the market.
Therefore, it is necessary to provide a pneumatic control switch for an adjustment system of a steering mechanism of an automobile to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a car steering mechanism governing system gas accuse switch.
The embodiment of the utility model provides an automobile steering mechanism governing system gas accuse switch, this switch includes the switch casing, arrange three vertical half-through holes that the diameter is different side by side in the lower part of switch casing to be respectively switch inlet port, actuating mechanism air vent and air release hole, the middle part level is provided with straight-through atmospheric pressure regulation hole, the upper end of switch inlet port, actuating mechanism air vent and air release hole communicates with straight-through atmospheric pressure regulation hole respectively; a left ejector rod and a right ejector rod are symmetrically arranged on the left side and the right side in the straight-through air pressure adjusting hole; the top of the switch shell is provided with a gland with a left pressing piece and a right pressing piece on two sides, and the left pressing piece and the right pressing piece are respectively contacted with the end parts of the left ejector rod and the right ejector rod; the L end of the switch air inlet is communicated with an air source through a first embedded type quick plug-in pipe joint, and the L end of the execution mechanism air vent is communicated with an execution cylinder through a second embedded type quick plug-in pipe joint.
The further proposal is that the gland is arranged on the switch shell through two fulcrum shafts arranged at the top of the switch shell, and the two fulcrum shafts have different diameters and are concentrically arranged.
The further scheme is that a first sealing ring is arranged on the left ejector rod, a sealing ring of an anti-disengaging structure is arranged in the through air pressure adjusting hole, and a second sealing ring is arranged inside the through air pressure adjusting hole.
Preferably, a sealing groove and a third sealing ring which are used for preventing the edge of the straight-through air pressure adjusting hole from falling off are arranged on the right ejector rod, a sleeve is further sleeved on the right ejector rod and is fixed through a pin arranged at one end of the sleeve, and the sleeve is sealed with the inner wall of the straight-through air pressure adjusting hole through the fourth sealing ring.
Preferably, a return spring is arranged between the left ejector rod and the right ejector rod.
More preferably, the diameters of the switch air inlet and the execution mechanism air vent are different, and limiting pieces are arranged in the switch air inlet and the execution mechanism air vent.
Preferably, a silencer is arranged in the air release hole, and the noise is avoided.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model has the advantages of reasonable structure, accurate control, reliable sealing, no noise and durability.
Drawings
Fig. 1 is the embodiment of the utility model provides an inside structure schematic diagram of a pneumatic control switch of an automobile steering mechanism adjusting system.
Fig. 2 is the embodiment of the utility model provides an outside structure schematic diagram of a pneumatic control switch of an automobile steering mechanism adjusting system.
Fig. 3 is the embodiment of the utility model provides a structure schematic diagram of the right ejector pin of pneumatic control switch of an automobile steering mechanism adjusting system.
Fig. 4 is the embodiment of the utility model provides a three-dimensional structure sketch map of spacing piece in switch inlet port, the actuating mechanism air vent of car steering mechanism governing system gas accuse switch.
Fig. 5 is the embodiment of the utility model provides a three-dimensional structure schematic diagram of gland of pneumatic control switch of automobile steering mechanism adjusting system.
Fig. 6 is the embodiment of the utility model provides a three-dimensional structure sketch map of switch casing and two fulcrum axles of car steering mechanism governing system gas accuse switch.
Fig. 7 is a schematic view of the working principle of the pneumatic control switch of the automobile steering mechanism adjusting system according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a car steering mechanism governing system gas accuse switch, as shown in fig. 1-5, this switch includes switch casing 1, arrange three L shape half-through holes that the diameter is different side by side in the lower part of switch casing 1 to be respectively switch inlet port 2, actuating mechanism air vent 3 and air bleed hole 4, the middle part level is provided with straight-through atmospheric pressure regulation hole 7, the upper end of switch inlet port 2, actuating mechanism air vent 3 and air bleed hole 4 communicates with straight-through atmospheric pressure regulation hole 7 respectively; a left ejector rod 8 and a right ejector rod 9 are symmetrically arranged on the left side and the right side in the through air pressure adjusting hole 7; a gland 19 with a left pressing piece 21 and a right pressing piece 22 on two sides is arranged at the top of the switch shell 1, and the left pressing piece 21 and the right pressing piece 22 are respectively contacted with the end parts of the left ejector rod 8 and the right ejector rod 9; the L end of the switch air inlet 2 is communicated with an air source through a first embedded type quick plug pipe joint 5, and the L end of the execution mechanism air vent 3 is communicated with an execution cylinder through a second embedded type quick plug pipe joint 6.
The gland 19 is arranged on the switch shell 1 through two fulcrum shafts 20 arranged at the top of the switch shell 1, the two fulcrum shafts 20 are concentrically arranged, but have different diameters, so that the aim of distinguishing the directions of the gland 19 is fulfilled; two pressing sheets are arranged on the gland 19; the two pressing sheets on the pressing cover 19 are composed of one or more arc-shaped reinforcing ribs, so that the pressing cover is not easy to deform and has a novel appearance.
The left ejector rod 8 is provided with a first sealing ring 10, a sealing ring 25 of an anti-falling structure is arranged in the through air pressure adjusting hole 7, and a second sealing ring 11 is arranged inside the through air pressure adjusting hole and radially extruded with the inner wall of the through air pressure adjusting hole 7.
The right ejector rod 9 is provided with a sealing groove 13 and a third sealing ring 12 which are used for an anti-edge-falling structure, and the anti-edge-falling structure can prevent the sealing ring from falling off due to the impact of high-pressure gas during working so as to cause the failure of the sealing structure; the right ejector rod 9 is further sleeved with a sleeve 15, a sealing groove 17 is formed in the sleeve 15, and the sealing performance can be adjusted by adjusting the hardness of the third sealing ring and the sectional area of the sealing groove; the sleeve 15 is fixed by a pin 18 arranged at one end of the sleeve 15; the sleeve 15 is sealed with the inner wall of the straight-through air pressure adjusting hole 7 through a fourth sealing ring 16.
And a return spring 14 is also arranged between the left ejector rod 8 and the right ejector rod 9, and the sealing performance can be adjusted by adjusting the elasticity of the return spring.
Limiting pieces 23 are arranged in the air inlet 2 at the L end of the switch and the air vent 3 of the actuating mechanism to limit the connecting pipe, so that the phenomenon of air leakage caused by too deep or too shallow insertion of the connecting pipe is prevented.
The air vent 4 is provided with a silencer 24, so that air flow during quick locking is buffered, and the noise-free operation of the switch is ensured.
As shown in fig. 1, a switch air inlet 2, an embedded quick connect-disconnect pipe joint 5, a through air pressure adjusting hole 7, a left ejector rod 8, a first sealing ring 10, a second sealing ring 11 and a return spring 14 form a sealing structure for controlling a switch air source to reach an air path of the switch. The switch air inlet 2 is sealed with the embedded quick plug-in pipe joint 5; the front end of the left ejector rod 8 is provided with a first sealing ring 10, the sealing ring 25 of the anti-falling structure is internally provided with a second sealing ring 11, the first sealing ring and the second sealing ring are radially extruded with the inner wall of the straight-through air pressure adjusting hole 7, and the purpose of reliable sealing is achieved under the action of the reset spring 14.
As shown in fig. 1 and 2, the actuator vent hole 3, the air vent hole 4, the embedded quick plug-in pipe joint 6, the straight-through air pressure adjusting hole 7, the right ejector rod 9 and the third sealing ring 12 thereof, the sealing groove 13 of the anti-slip edge structure, the return spring 14, the sleeve 15 and the fourth sealing ring 16 thereof, and the sealing groove 17 form a delay structure, and are used for realizing the function of switching delay air release;
the executing mechanism vent hole 3 is sealed with an L-end embedded type quick plug pipe joint 6; the top end of the sleeve 15 is provided with a fourth sealing ring 16 which is radially extruded with the inner wall of the straight-through air pressure adjusting hole 7; the tail end of the right ejector rod 9 is provided with a third sealing ring 12 which is tightly attached to the end face of a sleeve 15 and axially extruded under the action of a return spring 14, and at the moment, the air vent 3 of the actuating mechanism is communicated with the air vent 4 only through a sealing groove 17, so that the purpose of quick locking is achieved.
Referring to fig. 1 and 6, when the switch is applied, the air source is connected to the L-end buried quick connect/disconnect coupling 5 through a connection pipe, and the buried quick connect/disconnect coupling 6 is connected to the actuating cylinder 26 through a connection pipe. When the unlocking is needed, the left pressing cover 19 and the left pressing sheet 21 push the left ejector rod 8, the sealing structure is opened, the air pressure of an air source enters the through air pressure adjusting hole 7 through the switch air inlet hole 2, the air is supplied to the execution cylinder 26 through the air vent of the execution mechanism, the air pushes the piston of the execution cylinder to retract to unlock, and at the moment, the high and low positions of the steering wheel can be adjusted; after the operation of adjusting the steering wheel is finished, and the steering wheel is to be quickly locked, the right pressing cover 19 is needed, the right pressing sheet 22 pushes the right ejector rod 9 to move left, the time delay structure is opened, the gas in the execution cylinder rapidly enters the gas release hole 4 through the execution mechanism vent hole 3 and the direct air pressure adjusting hole 7 and is released, the execution cylinder piston is rapidly recovered, and the function of quick locking is realized.
Therefore, the utility model has the functions of delayed exhaust and rapid exhaust; the driver can adjust the steering wheel through the air control switch of the automobile steering system according to the requirement of the driver, and safe and comfortable driving is realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow changes made by using the contents of the present invention in the specification and the drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present invention.
Claims (8)
1. The pneumatic control switch of the automobile steering mechanism adjusting system is characterized by comprising a switch shell, wherein three L-shaped half through holes with different diameters are arranged in parallel at the lower part of the switch shell and respectively comprise a switch air inlet hole, an actuating mechanism air vent and an air vent, a through air pressure adjusting hole is horizontally arranged at the middle part of the switch shell, and the upper ends of the switch air inlet hole, the actuating mechanism air vent and the air vent are respectively communicated with the through air pressure adjusting hole; a left ejector rod and a right ejector rod are symmetrically arranged on the left side and the right side in the straight-through air pressure adjusting hole; the top of the switch shell is provided with a gland with a left pressing piece and a right pressing piece on two sides, and the left pressing piece and the right pressing piece are respectively contacted with the end parts of the left ejector rod and the right ejector rod; the L end of the switch air inlet is communicated with an air source through a first embedded type quick plug-in pipe joint, and the L end of the execution mechanism air vent is communicated with an execution cylinder through a second embedded type quick plug-in pipe joint.
2. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 1, wherein the gland is mounted on the switch housing through two fulcrum shafts arranged at the top of the switch housing, and the two fulcrum shafts have different diameters and are concentrically arranged.
3. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 1 or 2, wherein a first sealing ring is arranged on the left ejector rod; and a sealing ring of an anti-disengaging structure is arranged in the straight-through air pressure adjusting hole, and a second sealing ring is arranged inside the straight-through air pressure adjusting hole.
4. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 3, wherein a sealing groove and a third sealing ring for an anti-slip structure are arranged on the right ejector rod; the right ejector rod is also sleeved with a sleeve; the sleeve is fixed through a pin arranged at one end of the sleeve; the sleeve is sealed with the inner wall of the straight-through air pressure adjusting hole through a fourth sealing ring.
5. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 4, wherein a return spring is further arranged between the left ejector rod and the right ejector rod.
6. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 5, wherein the diameters of the switch air inlet and the actuator air vent are different, and limiting pieces are arranged in the switch air inlet and the actuator air vent.
7. The pneumatic control switch of the automobile steering mechanism adjusting system according to claim 6, wherein a silencer is arranged in the air release hole.
8. An automobile, characterized in that the steering adjustment system of the automobile is provided with an air control switch of the automobile steering mechanism adjustment system according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477673.4U CN210454932U (en) | 2019-04-10 | 2019-04-10 | Pneumatic control switch of automobile steering mechanism adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477673.4U CN210454932U (en) | 2019-04-10 | 2019-04-10 | Pneumatic control switch of automobile steering mechanism adjusting system |
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| Publication Number | Publication Date |
|---|---|
| CN210454932U true CN210454932U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477673.4U Active CN210454932U (en) | 2019-04-10 | 2019-04-10 | Pneumatic control switch of automobile steering mechanism adjusting system |
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| Country | Link |
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| CN (1) | CN210454932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128339A (en) * | 2020-10-20 | 2020-12-25 | 白金砖 | Pneumatic control differential mechanism |
-
2019
- 2019-04-10 CN CN201920477673.4U patent/CN210454932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128339A (en) * | 2020-10-20 | 2020-12-25 | 白金砖 | Pneumatic control differential mechanism |
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