CN217501396U

CN217501396U - Opening and closing power-assisted mechanism of escape window cover of armored vehicle

Info

Publication number: CN217501396U
Application number: CN202220374351.9U
Authority: CN
Inventors: 魏金琳; 林森; 刘星星; 祁磊
Original assignee: Shaanxi Heavy Duty Automobile Co Ltd
Current assignee: Shaanxi Heavy Duty Automobile Co Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-09-27
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to an armoured car window lid's switching assist drive device that flees, locate including setting up rotation axis and the cover on a pair of window lid mount pad of fleing rotate epaxial first double torsion spring and the double torsion spring of second, the rotation axis with the window lid mount pad swing joint of fleing. The first double torsion spring and the second double torsion spring are installed between the pair of escape window cover installation seats, and the generated torque is used for offsetting partial gravity torque of the escape window cover. The small and light double torsion spring is used as a power assisting element, so that the occupied space is small, and the cost is low. The torque generated by the double torsion springs and the gravity torque generated by the escape window cover around the rotating shaft are in a linear relation along with the size of the turning angle, the opening or closing force of the escape window cover is basically constant, and the use experience of an operator is good.

Description

Opening and closing power-assisted mechanism of escape window cover of armored vehicle

Technical Field

The utility model relates to an armored car technical field especially relates to an armored car flees switching assist drive device of window covering.

Background

The armored car escape window cover is mostly of a hinge upper turning structure, and the armored escape window cover is large in self weight and labor-consuming to operate during opening and closing, so that an auxiliary power assisting element needs to be designed, and the burden of an operator is relieved. Common boosting mechanisms include a torsion bar spring, a gas spring multi-link mechanism and the like. The torsion bar spring has large torque, is mostly used on heavy escape windows with higher protection grade, and the air spring needs to occupy larger space. This patent has designed small and exquisite slim and graceful two torsional springs as helping hand component, is applicable to the window helping hand structure of fleing of light armored vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switching assist drive device of armoured vehicle window lid of fleing uses two torsional springs as helping hand component.

In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:

the opening and closing power-assisted mechanism of the escape window cover of the armored vehicle comprises a rotating shaft arranged on a pair of escape window cover mounting seats, a first double torsion spring and a second double torsion spring, wherein the first double torsion spring and the second double torsion spring are sleeved on the rotating shaft, and the rotating shaft is movably connected with the escape window cover mounting seats.

For the further explanation of utility model: the shaft sleeve is arranged on the outer side of the escape window cover mounting seat and is integrally connected with the escape window cover; the escape window cover mounting seat is provided with a through hole, and the rotating shaft penetrates through the shaft sleeve and the escape window cover mounting seat.

As a further explanation of the utility model: the first double-torsion spring and the second double-torsion spring are arranged between the pair of escape window cover mounting seats, the first double-torsion spring comprises two sections of spring bodies and a first U-shaped connecting rod in the middle, and the first double-torsion spring is abutted against the inner sides of the pair of escape window cover mounting seats; the second double torsion spring is sleeved between the two spring bodies of the first double torsion spring and comprises a second U-shaped connecting rod, and the second U-shaped connecting rod is bent upwards by 90 degrees along the direction vertical to the roof.

As a further explanation of the utility model: the escape window cover is provided with an O-shaped torsion spring mounting hole, and two ends of the first double-torsion spring are respectively clamped into the torsion spring mounting holes after being bent.

As a further explanation of the utility model: the first U-shaped connecting rod and the second double-torsion spring are bent and then clamped into the sinking pits respectively.

As a further explanation of the utility model: two ends of the first double-torsion spring are bent towards the lower part of the escape window cover, and the bending angle is 90 degrees.

As a further explanation of the utility model: the first U-shaped connecting rod and the two ends of the second double torsion spring are bent towards the direction of attaching to the roof, and the bending angle is an obtuse angle.

As a further explanation of the utility model: the outer end of the shaft sleeve is provided with a gasket, pin holes are formed in the two ends of the rotating shaft, and split pins are inserted into the pin holes.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the small and light double torsion spring is used as a power assisting element, so that the occupied space is small, and the cost is low. The torque generated by the double torsion springs and the gravity torque generated by the top window cover around the rotating shaft are in a linear relation along with the size of the turnover angle, the opening or closing force of the escape window cover is basically constant, and the use experience of an operator is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view illustrating an opened state of the window cover according to the present invention;

FIG. 3 is a schematic view of a first double torsion spring;

fig. 4 is a structural schematic view of a second double torsion spring.

Description of the reference numerals

1. An escape window cover; 2. a rotating shaft; 3. a first double torsion spring; 4. a second double torsion spring; 5. a torsion spring pressing plate; 6. an escape window cover mounting seat; 7. a torsion spring mounting hole; 8. a shaft sleeve; 9. a second U-shaped connecting rod; 10. a first U-shaped connecting rod.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the structure of the present invention is schematically illustrated, and includes a rotating shaft 2 disposed on a pair of escape window cover mounting seats 6, and a first double torsion spring 3 and a second double torsion spring 4 sleeved on the rotating shaft 2, wherein the rotating shaft 2 is movably connected to the escape window cover mounting seats 6.

The escape window cover mounting structure comprises a shaft sleeve 8, wherein the shaft sleeve 8 is arranged on the outer side of an escape window cover mounting seat 6, and the shaft sleeve 8 is integrally connected with an escape window cover 1; the escape window cover mounting seat 6 is provided with a through hole, and the rotating shaft 2 penetrates through the shaft sleeve 8 and the escape window cover mounting seat 6.

A gasket is arranged at the outer end of the shaft sleeve 8; the two ends of the rotating shaft 2, which are exposed out of the shaft sleeve 8, are provided with pin holes, and cotter pins are inserted into the pin holes.

The first double-torsion spring 3 and the second double-torsion spring 4 are arranged between the pair of escape window cover mounting seats, the first double-torsion spring 3 comprises two sections of spring bodies and a first U-shaped connecting rod 10 in the middle, and the first double-torsion spring 3 is abutted against the inner sides of the pair of escape window cover mounting seats 6; the second double-torsion spring 4 is sleeved between the two spring bodies of the first double-torsion spring 3, the second double-torsion spring 4 comprises a second U-shaped connecting rod 9, and the second U-shaped connecting rod 9 is bent upwards by 90 degrees along the direction vertical to the roof. When the turning angle of the escape window cover 1 is smaller than 90 degrees, the first double torsion spring 3 is tightly wound, and the second double torsion spring 4 is free; after the turnover angle of the escape window cover 1 is larger than 90 degrees, the second double-torsion spring 4 is screwed, and the first double-torsion spring 3 is free; the generated torque is used to counteract a partial gravitational torque of the escape window cover 1.

The escape window cover 1 is provided with an O-shaped torsion spring mounting hole 7, the first double torsion springs 3 are abutted to the inner side of the escape window cover mounting seat 6, and two end heads face the lower portion of the escape window cover 1 are bent and then clamped into the escape window cover torsion spring mounting hole 7 respectively.

The automobile roof fixing device is characterized by further comprising a pressing plate 5, the pressing plate 5 is fixedly installed on the roof, a sinking pit is designed in the middle of the pressing plate 5, and the first U-shaped connecting rod 10 and the second double torsion spring 4 are bent towards the direction of attaching to the roof and then are clamped into the sinking pit respectively. The sinking pit is a cuboid and can be used for the end heads of the first double-torsion spring 3 and the second double-torsion spring 4 to move in a telescopic mode.

The two ends of the first double-torsion spring 3 clamped into the escape window cover torsion spring mounting holes 7 are bent towards the lower part of the escape window cover 1, and the bending angle is 90 degrees; the two ends of the first U-shaped connecting rod 10 and the second double torsion spring 4 are bent towards the direction of attaching to the roof, and the bending angle is an obtuse angle.

The packing ring is installed to the outer end of axle sleeve 8, the both ends of rotation axis 2 all are provided with the pinhole, the cotter pin has been inserted in the pinhole.

The utility model discloses an installation step as follows:

the two ends of the first double-torsion spring 3 are clamped into the escape window cover torsion spring mounting holes 7 respectively, then the rotating shaft 2 sequentially penetrates through the shaft sleeve 8, the escape window cover mounting seat 6, the first double-torsion spring 3, the second double-torsion spring 4, the escape window cover mounting seat 6 and the shaft sleeve 8, and the two ends are fixed by using the split pins after being provided with gaskets. And finally, opening the escape window cover 1 to the vertical ground, fixing the U-shaped connecting rod of the first double torsion spring 3 and the end of the second double torsion spring 4 by using the pressing plate 5 after the ends of the two torsion springs are attached to the top of the vehicle, wherein the pressing plate 5 is provided with a sinking pit, and the ends of the first U-shaped connecting rod 10 of the first double torsion spring 3 and the end of the second double torsion spring 4 can move in the sinking pit in a telescopic manner.

As shown in fig. 2, the dual torsion spring is divided into two sections for the power assisting process of the escape window cover 1, and is respectively implemented by a first dual torsion spring 3 and a second dual torsion spring 4. The assisting process is respectively before and after the escape window cover 1 is vertical to the ground (the gravity moment around the rotating shaft 2 is zero), and the torque generated by the double torsion springs is used for offsetting a part of the gravity moment generated by the escape window cover 1 around the rotating shaft 2. The torque generated by screwing the first double torsion spring 3 is used for offsetting a part of gravity moment generated before the escape window cover 1 winds the rotating shaft 2, and the torque generated by screwing the other second double torsion spring 4 is used for offsetting a part of gravity moment generated after the escape window cover 1 winds the rotating shaft 2.

The double torsion springs can play a role in assisting power in opening and closing directions.

The first double torsion spring 3 and the second double torsion spring 4 work independently without influencing each other, i.e. when the first double torsion spring 3 acts, the other end of the second double torsion spring 4 is in a free state, so that torque opposite to that of the first double torsion spring 3 cannot be generated, and the power assisting effect cannot be influenced. Similarly, when the second double torsion spring 4 generates the assisting force, the first double torsion spring 3 is also in the free stroke state.

The torque generated by the double torsion springs and the gravity torque generated by the escape window cover 1 around the rotation 2 shaft are approximately in a linear relation with the turnover angle of the escape window cover 1, the operation force of people is basically constant in the whole process of rotation of the escape window cover 1, and the use experience of an operator is good.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all falling within the technical solution of the present invention, all fall within the protection scope of the present invention.

Claims

1. The utility model provides an armoured car window cover of fleing's switching assist drive device which characterized in that: including setting up rotation axis (2) and the cover on a pair of window lid mount pad of fleing (6) and locating first double torsion spring (3) and second double torsion spring (4) on rotation axis (2), rotation axis (2) with window lid mount pad of fleing (6) swing joint.

2. The opening and closing assisting mechanism for the escape window cover of the armored vehicle as claimed in claim 1, wherein: the escape window cover comprises a shaft sleeve (8), wherein the shaft sleeve (8) is arranged on the outer side of an escape window cover mounting seat (6), and the shaft sleeve (8) is integrally connected with the escape window cover (1); the escape window cover mounting seat (6) is provided with a through hole, and the rotating shaft (2) penetrates through the shaft sleeve (8) and the escape window cover mounting seat (6).

3. The opening and closing power-assisted mechanism of the escape window cover of the armored vehicle as claimed in claim 1, wherein: the first double torsion spring (3) and the second double torsion spring (4) are installed between the pair of escape window cover installation seats (6), the first double torsion spring (3) comprises two sections of spring bodies and a first U-shaped connecting rod (10) in the middle, and the first double torsion spring (3) is abutted to the inner sides of the pair of escape window cover installation seats (6); the second double torsion spring (4) is sleeved between the two spring bodies of the first double torsion spring (3), the second double torsion spring (4) comprises a second U-shaped connecting rod (9), and the second U-shaped connecting rod (9) is bent upwards for 90 degrees in the direction perpendicular to the roof.

4. The opening and closing power-assisted mechanism of the escape window cover of the armored vehicle as claimed in claim 1, wherein: the escape window cover (1) is provided with an O-shaped torsion spring mounting hole (7), and two ends of the first double torsion spring (3) are bent and then clamped into the torsion spring mounting holes (7) respectively.

5. The opening and closing power-assisted mechanism of the escape window cover of the armored car as claimed in claim 3, wherein: including clamp plate (5), clamp plate (5) fixed mounting is at the roof, the design has the heavy pit in the middle of clamp plate (5), first U-shaped connecting rod (10) and two ends of second double torsion spring (4) are gone into respectively after bending in the heavy pit.

6. The opening and closing power-assisted mechanism of the escape window cover of the armored vehicle as claimed in claim 4, wherein: two ends of the first double-torsion spring (3) bend towards the lower part of the escape window cover (1), and the bending angle is 90 degrees.

7. The opening and closing power-assisted mechanism of the escape window cover of the armored vehicle as claimed in claim 5, wherein: the first U-shaped connecting rod (10) and the second double-torsion spring (4) are bent towards the direction of attaching to the roof, and the bending angle is an obtuse angle.

8. The opening and closing power-assisted mechanism of the escape window cover of the armored vehicle as claimed in claim 2, wherein: the outer end of the shaft sleeve (8) is provided with a gasket, pin holes are formed in the two ends of the rotating shaft (2), and split pins are inserted into the pin holes.