CN219012304U - Top window cover device of special vehicle - Google Patents
Top window cover device of special vehicle Download PDFInfo
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- CN219012304U CN219012304U CN202222926792.8U CN202222926792U CN219012304U CN 219012304 U CN219012304 U CN 219012304U CN 202222926792 U CN202222926792 U CN 202222926792U CN 219012304 U CN219012304 U CN 219012304U
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- window cover
- top window
- cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The utility model provides a special vehicle top window cover device which comprises a top window cover, a top window cover overturning mechanism and a top window cover locking mechanism. The top window cover is manufactured through casting and integral forming or through welding, the locking mechanism of the top window cover is welded at the front part of the top window cover through the lock body seat, and the locking mechanism of the top window cover is provided with a limiting device, so that the operation of an operator is facilitated, and the limiting reliability of the mechanism can be maintained; the top window cover turnover mechanism connects the top window cover to the vehicle body in a movable connection mode, and the top window cover can be turned over, opened and closed through the top window cover turnover mechanism; the top window cover overturning mechanism comprises a limiting device and a latch hook device, wherein a limiting block in the limiting device is made of hard rubber, so that impact generated by collision between the top window cover and the limiting block when the top window cover is opened can be relieved; after the top window cover is opened in place, the lock hook in the lock hook device is buckled with the lock hook on the top window cover, so that the top window cover is fixed.
Description
Technical Field
The utility model belongs to the technical field of special vehicle auxiliary equipment, and particularly relates to a special vehicle top window cover device.
Background
The top window cover is an important component part of the special vehicle, can ventilate the cab and conveniently observe the topography, is an important escape channel, and the top window cover turnover mechanism not only needs to ensure that the top window cover is opened in a labor-saving manner, but also needs to ensure that the top window cover is reasonably contacted with the limiter.
Chinese patent (CN 215949207U) discloses a booster self-limiting roof window structure, which comprises a roof window base, a roof window cover, a hinge shaft, a torsion spring, a limiting movable lock and a limiting fixed lock; the top window base is provided with a first support, a second support and a lower pressing plate, the top window cover is provided with a hinge plate and a torsion spring limiting seat, the hinge plate is hinged with the first support and the second support through a hinge shaft, the torsion spring is sleeved on the hinge shaft, the front end and the rear end of the torsion spring are respectively limited through the torsion spring limiting seat and the lower pressing plate, a limiting movable lock is fixed on the top window cover, and a limiting fixed lock is fixed on the lower pressing plate; when the top window cover is opened or closed by the aid of the torsion spring, the limiting fixed lock and the limiting movable lock can be matched to lock or open the top window cover. Chinese patent (CN 202439542U) discloses an armored car skylight structure comprising a car body and a car body upper skylight, a hinge is installed between the back side of the skylight and the car body, and a window lock is installed between the front side of the skylight and the car body. The first limiting structure and the second limiting structure for limiting the skylight to open are respectively arranged on two sides of the skylight. The first limiting structure is characterized in that a limiting handle is arranged on the side of the skylight, a torsion spring is arranged, and two ends of the torsion spring are propped against the sliding shaft and the limiting handle. The other end of the limiting handle is hooked and the limiting lock cylinder is wedge-shaped, and a core spring is arranged in the limiting handle and matched with the supporting cylinder. The second limiting structure is that another handle is arranged on the skylight side shaft, the handle is hinged with a limiting lock cylinder, the limiting lock cylinder can slide in the sliding frame, a compression spring is further arranged, and the end head of the lock cylinder can be inserted into a limiting groove hole site on the car body. Chinese patent (CN 202441163U) discloses a full-turnover cab skylight, including roof window lid, hinge seat, the roof window lid passes through hinge plate and hinge seat hookup, is equipped with the hinge axle sleeve on the hinge plate, is equipped with the support on the hinge seat, is equipped with the round pin axle on the support, and round pin axle and hinge axle sleeve cooperation are equipped with the support frame on the hinge seat, are equipped with the hinge knot on the support frame that protrudes its surface, are equipped with the hinge cylinder on the hinge plate, hinge cylinder and hinge knot position cooperation, and the position of hinge knot is higher than the round pin axle central line position, is equipped with the stopper on the support frame, and the stopper is established between hinge knot and support.
However, when the skylight is opened, the technology cannot ensure that the top window cover is reasonably contacted with the limiter, and is inconvenient for an operator to control. In addition, the roof window cover can not be automatically bounced to open a certain angle, so that the roof window cover can be opened to the position of the limiting device, and the stability of the roof window cover after being opened can not be ensured.
Disclosure of Invention
First, the technical problem to be solved
The utility model provides a special vehicle top window cover device, which aims to solve the technical problems of ensuring reasonable contact between a top window cover and a limiter and ensuring stability of the opened top window cover, and facilitating control of operators.
(II) technical scheme
In order to solve the technical problems, the utility model provides a special vehicle top window cover device, which comprises a top window cover, a top window cover overturning mechanism and a top window cover locking mechanism; the top window cover locking mechanism is fixed at the front part of the top window cover in a welding mode, the top window cover overturning mechanism is connected with the top window cover on the vehicle body in a movable connection mode, and the top window cover can be overturned to be opened and closed through the top window cover overturning mechanism.
Further, the top window cover is manufactured in an integral molding or welding mode, a lock body seat mounting hole for mounting the locking mechanism of the top window cover is formed in the front of the top window cover, the first lock hook and the first torsion bar spring support are fixed at the rear of the outer side of the top window cover in a welding mode, and the handle is fixed at the inner side of the top window cover in a welding mode.
Further, the locking mechanism of the top window cover comprises a door lock handle, a door lock body, a lock body seat, a threaded shaft sleeve, a lock body cover, a compression spring, a locking bolt and a gasket; wherein, the liquid crystal display device comprises a liquid crystal display device,
the lock body seat is of a cylindrical structure, is matched with a lock body seat mounting hole on the top window cover, and is fixedly connected with the top window cover in a welding mode; the lower end surface of the lock body seat is provided with a limit groove, and the radian of the limit groove is pi/2; the upper end of the door lock body is provided with external threads, and the lower end of the door lock body is provided with a square wrench head with an internal threaded hole;
the upper end of the threaded shaft sleeve is provided with a spigot with the outer diameter larger than that of the inner hole of the lock body seat, and the inner side of the threaded shaft sleeve is provided with an inner threaded hole; the door lock body and the threaded shaft sleeve penetrate from the lower end and the upper end of the lock body seat respectively, and are connected with the lock body seat through the external threads of the door lock body and the internal threaded holes of the threaded shaft sleeve, so that the spigot of the threaded shaft sleeve is pressed on the upper end surface of the lock body seat;
the door lock handle comprises a spanner square sleeve, a handle, a clamping tongue and a limit baffle; the wrench square sleeve is matched with a wrench square head of the door lock body, and the wrench square sleeve is connected with a door lock handle and a clamping tongue; the limiting baffle is positioned in the limiting groove of the lock body seat and used for limiting the rotation angle of the door lock handle; the compression spring is sleeved on the locking bolt, and two ends of the compression spring are respectively provided with a gasket; the bolt penetrates the compression spring, the gasket at the upper end and the square sleeve of the spanner in sequence through the gasket at the lower end, and is screwed in the internal threaded hole of the door lock body, so that the door lock handle is connected with the door lock body to jointly form a handle operation part of the locking mechanism;
the lock body cover comprises a cover plate, a first rotating shaft, a lock body cover seat and a first torsion spring; the lock body cover seat is fixed on the outer side of the top window cover in a welding mode, a first mounting hole is formed in the side wall of the lock body cover seat, a second mounting hole is formed in a connecting plate of the cover plate, the first rotating shaft penetrates through the first mounting hole, the second mounting hole and the first torsion spring, the cover plate is connected to the lock body cover seat, the cover plate can tightly press the upper port of the threaded shaft sleeve under the action of the first torsion spring, and the protection sealing effect on the locking mechanism is achieved.
Further, the top window cover turnover mechanism comprises a hinge assembly, a hinge fixing support, a torsion bar spring, a second torsion bar spring support, a limiting device and a lock hook device; wherein, the liquid crystal display device comprises a liquid crystal display device,
two groups of hinge assemblies and hinge fixing supports are respectively arranged; the second torsion bar spring support and the hinge fixing support are fixed at the position near the window of the vehicle body top cover in a welding mode;
the hinge assembly comprises a hinge main board, a hinge auxiliary board and a mandrel; the hinge main board is fixed on the hinge fixing support through bolts, and the hinge auxiliary board is fixedly connected with the outer side of the top cover window through a welding mode; the mandrel is hollow, the mandrel is connected between the hinge main board and the hinge auxiliary board, and the hinge main board and the hinge auxiliary board can freely rotate around the mandrel; the torsion bar spring sequentially penetrates through the central shafts of the two combined page assemblies, one end of the torsion bar spring is matched with the first torsion bar spring support on the top window cover, and the other end of the torsion bar spring is matched with the second torsion bar spring support;
the limiting device is arranged between the two combined page assemblies and comprises a limiting block support and a limiting block; the limiting block support is fixed on the vehicle body top cover in a welding mode, and the limiting block is made of hard rubber;
the latch hook device comprises a latch hook support, a second latch hook, a second torsion spring and a second rotating shaft; the lower end of the lock hook support is fixedly connected to the vehicle body top cover in a welding mode, a third mounting hole is formed in the upper end of the lock hook support, and the second rotating shaft is used for mounting the root parts of the second torsion spring and the second lock hook in the third mounting hole; the front end of the second lock hook is matched with the first lock hook, and a poking piece is fixedly arranged on the second lock hook; the second latch hook is located at the initial position under the action of the second torsion spring.
Further, the design stiffness k of the torsion bar spring satisfies the following relation:
wherein G is m The weight of the top window cover is N; b is the distance from the center of mass of the top window cover to the overturning center, and the unit is mm; alpha is the turnover angle of the top window cover, and the unit degree is the unit degree;
is the torsion angle of the torsion bar spring, in degrees.
(III) beneficial effects
The utility model provides a special vehicle top window cover device which comprises a top window cover, a top window cover overturning mechanism and a top window cover locking mechanism. The top window cover is manufactured through casting and integral forming or through welding, the locking mechanism of the top window cover is welded at the front part of the top window cover through the lock body seat, and the locking mechanism of the top window cover is provided with a limiting device, so that the operation of an operator is facilitated, and the limiting reliability of the mechanism can be maintained; the top window cover turnover mechanism connects the top window cover to the vehicle body in a movable connection mode, and the top window cover can be turned over, opened and closed through the top window cover turnover mechanism; the top window cover overturning mechanism comprises a limiting device and a latch hook device, wherein a limiting block in the limiting device is made of hard rubber, so that impact generated by collision between the top window cover and the limiting block when the top window cover is opened can be relieved; after the top window cover is opened in place, the lock hook in the lock hook device is buckled with the lock hook on the top window cover, so that the top window cover is fixed.
The special vehicle top window cover device is provided with the limiting structure, and the travel of the door lock handle is 90 degrees, so that the door lock handle is convenient for an operator to control; the top window cover turnover mechanism adopts a torsion bar spring, and the top window cover can automatically spring a certain angle under the action of the torsion bar spring to ensure that the top window cover is opened to the position of the limiting device; the limiting block made of hard rubber plays a role in buffering the top window cover; the top window cover turnover mechanism is also provided with a latch hook device, so that the stability of the top window cover after being opened is ensured.
Drawings
FIG. 1 is a front view of a roof window cover according to an embodiment of the present utility model;
FIG. 2 is a schematic three-dimensional view of a roof window according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a top window cover locking mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of the overall structure of a roof window cover device according to an embodiment of the utility model.
Detailed Description
To make the objects, contents and advantages of the present utility model more apparent, the following detailed description of the present utility model will be given with reference to the accompanying drawings and examples.
The embodiment provides a special vehicle top window cover device, which comprises a top window cover, a top window cover overturning mechanism and a top window cover locking mechanism. The top window cover locking mechanism is fixed at the front part of the top window cover in a welding mode, the top window cover overturning mechanism is connected with the top window cover on the vehicle body in a movable connection mode, and the top window cover can be overturned to be opened and closed through the top window cover overturning mechanism.
As shown in fig. 1 and 2, the top window cover is manufactured by casting and integrally forming or welding, the front part of the top window cover is provided with a lock body seat mounting hole 2 for mounting a locking mechanism of the top window cover, the first lock hook 3 and the first torsion bar spring support 4 are fixed at the rear part of the outer side of the top window cover in a welding mode, and the handle 1 is fixed at the inner side of the top window cover in a welding mode.
As shown in fig. 3, the roof window cover locking mechanism includes a door lock handle 5, a door lock body 6, a lock body seat 7, a threaded bushing 8, a lock body cover 9, a compression spring 10, a lock bolt 11, and a washer 12.
The lock body seat 7 is of a cylindrical structure, is matched with the lock body seat mounting hole 2 on the top window cover, and is fixedly connected with the top window cover in a welding mode. The lower end face of the lock body seat 7 is provided with a limit groove 71, and the radian of the limit groove 71 is pi/2. The door lock body 6 is provided at an upper end thereof with an external screw thread 61 and at a lower end thereof with a square wrench head 63 having an internally threaded hole 62.
The upper end of the threaded shaft sleeve 8 is provided with a spigot 82 with the outer diameter larger than the inner hole of the lock body seat 7, and the inner side of the threaded shaft sleeve 8 is provided with an inner threaded hole 81. The door lock body 6 and the threaded shaft sleeve 8 penetrate from the lower end and the upper end of the lock body seat 7 respectively, and the door lock body 6 and the threaded shaft sleeve 8 are connected with the lock body seat 7 through the external threads 61 of the door lock body 6 and the internal threaded holes 81 of the threaded shaft sleeve 8, so that the spigot 82 of the threaded shaft sleeve 8 is tightly pressed on the upper end face of the lock body seat 7.
The door lock handle 5 comprises a spanner square sleeve 51, a door lock handle 52, a clamping tongue 53 and a limit baffle 54. The wrench square sleeve 51 is matched with a wrench square head 63 of the door lock body 6, and the wrench square sleeve 51 is connected with a door lock handle 52 and a clamping tongue 53. The limit baffle 54 is located in the limit groove 71 of the lock body seat 7 and is used for limiting the rotation angle of the door lock handle 5. The compression spring 10 is sleeved on the locking bolt 11, and two gaskets 12 are respectively arranged at two ends of the compression spring 10. The bolt 11 penetrates the compression spring 10, the gasket 12 at the upper end and the spanner square sleeve 51 from the gasket 12 at the lower end in sequence, and is screwed into the internal threaded hole 62 of the door lock body 6 to connect the door lock handle 5 with the door lock body 6, so as to jointly form a handle operation part of the locking mechanism.
The lock body cover 9 includes a cover plate 91, a first rotation shaft 92, a lock body cover seat 93, and a first torsion spring 94. Wherein, lock body lid seat 93 passes through the welding mode to be fixed in the roof window lid outside, is provided with first mounting hole on the lateral wall of lock body lid seat 93, is provided with the second mounting hole on the connecting plate of apron 91, and first pivot 92 passes first mounting hole, second mounting hole and first torsional spring 94, connects apron 91 on lock body lid seat 93, and apron 91 can compress tightly the last port of screw thread axle sleeve 8 under the effect of first torsional spring 94, plays the protection sealed effect to locking mechanism.
When in use, the door lock handle 52 is rotated clockwise to drive the door lock body 6 to rotate, the clamping tongue 53 clamps the inner wall of the window, and the top window cover is locked; the door lock handle 52 is rotated anticlockwise to drive the door lock body 6 to rotate, the clamping tongue 53 leaves the inner wall of the window, and the top window cover is opened; the top window cover locking mechanism is provided with a limiting part, when the door lock is opened and closed, the limit stop 54 of the door lock handle 5 is limited by the limit groove 71, the stroke of the door lock handle 5 is 90 degrees, the control of an operator is facilitated, and the limiting reliability of the mechanism can be maintained.
As shown in fig. 4, the roof window cover tilting mechanism comprises a hinge assembly, a hinge fixing support 14, a torsion bar spring 15, a second torsion bar spring support 16, a limiting device and a latch hook device.
Two sets of hinge assemblies and hinge mounting brackets 14. The second torsion bar spring support 16 and the hinge fixing support 14 are fixed in a position near the vehicle body roof window by welding.
The hinge assembly includes a hinge main plate 131, a hinge sub-plate 132, and a spindle 133. The hinge main board 131 is fixed on the hinge fixing support 14 through bolts, and the hinge auxiliary board 132 is fixedly connected with the outer side of the top cover window through welding. The core shaft 133 is hollow, and the core shaft 133 is connected between the hinge main plate 131 and the hinge auxiliary plate 132, and the hinge main plate 131 and the hinge auxiliary plate 132 can freely rotate around the core shaft 133. The torsion bar spring 15 sequentially passes through the mandrel 133 of the two combined leaf assemblies, one end of the torsion bar spring 15 is matched with the first torsion bar spring support 4 on the top window cover, and the other end is matched with the second torsion bar spring support 16.
The limiting device is arranged between the two combined page assemblies and comprises a limiting block support 171 and a limiting block 172. The limiting block support 171 is fixed on the vehicle body top cover in a welding mode, the limiting block 172 is made of hard rubber, and the limiting block support can play a role in buffering when the top cover window is opened and contacts with the limiting block 172.
The latch hook means includes a latch hook support 181, a second latch hook 182, a second torsion spring 183, and a second rotation shaft 184. The lower end of the latch hook support 181 is fixedly connected to the vehicle body top cover in a welding manner, a third mounting hole is formed in the upper end of the latch hook support 181, and the second torsion spring 183 and the root of the second latch hook 182 are mounted in the third mounting hole by the second rotating shaft 184. The front end of the second latch hook 182 is matched with the first latch hook 3, and a poking piece is fixedly arranged on the second latch hook 182. The second latch hook 182 is located at the initial position by the second torsion spring 183.
When the top window cover device is used, after the door lock handle 5 is rotated to unlock, the top window cover automatically bounces off a certain angle under the action of the torsion bar spring 15, then an operator pushes the top window cover open to turn over 120 degrees to open the top window cover to the position of the limiting device, and the first lock hook 3 on the cover body is internally buckled with the second lock hook 182 of the lock hook device to fix the top window cover; when the top window cover is closed, an operator firstly pulls the pulling piece to unlock the second latch hook 182 and the first latch hook 3, then pulls the top window cover and the window to be closed through the pull handle 1, after the top window cover and the window are closed, the door lock handle 5 is rotated, the door lock body 6 is locked, and the top window cover is locked, and meanwhile, the second latch hook 182 is reset under the action of the second torsion spring 183.
Because the torsion bar spring plays an important role in the top window cover turnover mechanism, the material of the torsion bar spring is required to be excellent in heat treatment hardenability, the requirement of the deep hardening layer of the torsion bar is ensured, and the torsion bar spring has stable chemical components and mechanical properties. In order to reduce the cost and meet the industrial requirement at the same time, the torsion bar spring material of the utility model is 60Si2MnA. The 60Si2MnA spring steel has good elastic limit, strength limit, yield ratio, fatigue strength, certain hardenability, higher elastic reduction resistance, small decarburization tendency, good tempering stability, good hot workability and the like; the length of the torsion bar spring is determined according to the total width of the top window cover and the distance between the fixed end support of the top window cover and the two end surfaces of the bending end; the working torsion angle of the torsion bar spring is related to the turnover piece of the top window cover, and is the maximum turnover angle of the top window cover, namely the turnover angle when the vertical line of the turnover center of gravity of the top window cover is overlapped with the turnover center of the top window cover. The torsion bar spring of the roof window cover at this time has an operating torsion angle of 90 °.
According to the working principle of the top window cover, parameters of the torsion bar spring need to be designed:
when the top window cover turns over an angle alpha, the moment of gravity is: t (T) 1 ＝G m bcos alpha; wherein T is 1 The weight moment (N.mm) of the top window cover is that alpha is the turning angle (°) of the top window cover, b is the distance (mm) from the center of mass of the top window cover to the turning center, G m Is the gravity (N) of the top window cover.
For torsion bar springs of circular cross section:
in the method, in the process of the utility model,
is torsion angle (DEG), M is torsion angle (N.mm), L e The effective length (mm) of the torsion bar spring, d is the diameter (mm) of the torsion bar spring, and G is the shear modulus (MPa) of the torsion bar spring. The method can obtain:
where k is the torsion bar spring stiffness (N.mm/rad).
When the locking mechanism is opened, the top window cover ensures that the turning angle is about 5 degrees, the gravity moment of the top window cover is equal to the torque of the torsion bar spring, the top window cover is in a suspension static state, the top window cover cannot pop up suddenly, meanwhile, the top window cover does not need to be turned over by using great force, and the turning portability and safety of a cab can be improved. At this point there is T 1 =m, i.e.:
at this time, the liquid crystal display device,
α＝5°，b＝223mm，G m =61.31n. The design stiffness of the torsion bar spring can be obtained according to the design stiffness: k= 160.24n·mm/rad.
The design parameters of the torsion bar spring need to meet the above design requirements.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (5)
1. The top window cover device of the special vehicle is characterized by comprising a top window cover, a top window cover overturning mechanism and a top window cover locking mechanism; the top window cover locking mechanism is fixed at the front part of the top window cover in a welding mode, the top window cover overturning mechanism is connected with the top window cover on the vehicle body in a movable connection mode, and the top window cover can be overturned to be opened and closed through the top window cover overturning mechanism.
2. The roof window cover device for the special vehicle according to claim 1, wherein the roof window cover is manufactured by casting and integrally forming or welding, a lock body seat mounting hole for mounting a locking mechanism of the roof window cover is formed in the front portion of the roof window cover, the first lock hook and the first torsion bar spring support are fixed at the rear portion of the outer side of the roof window cover in a welding mode, and the handle is fixed at the inner side of the roof window cover in a welding mode.
3. The special vehicle roof window cover apparatus of claim 2, wherein the roof window cover locking mechanism comprises a door lock handle, a door lock body, a lock body seat, a threaded bushing, a lock body cover, a compression spring, a locking bolt, and a gasket; wherein, the liquid crystal display device comprises a liquid crystal display device,
the lock body seat is of a cylindrical structure, is matched with a lock body seat mounting hole on the top window cover, and is fixedly connected with the top window cover in a welding mode; the lower end surface of the lock body seat is provided with a limit groove, and the radian of the limit groove is pi/2; the upper end of the door lock body is provided with external threads, and the lower end of the door lock body is provided with a square wrench head with an internal threaded hole;
the upper end of the threaded shaft sleeve is provided with a spigot with the outer diameter larger than that of the inner hole of the lock body seat, and the inner side of the threaded shaft sleeve is provided with an inner threaded hole; the door lock body and the threaded shaft sleeve penetrate from the lower end and the upper end of the lock body seat respectively, and are connected with the lock body seat through the external threads of the door lock body and the internal threaded holes of the threaded shaft sleeve, so that the spigot of the threaded shaft sleeve is pressed on the upper end surface of the lock body seat;
the door lock handle comprises a spanner square sleeve, a handle, a clamping tongue and a limit baffle; the wrench square sleeve is matched with a wrench square head of the door lock body, and the wrench square sleeve is connected with a door lock handle and a clamping tongue; the limiting baffle is positioned in the limiting groove of the lock body seat and used for limiting the rotation angle of the door lock handle; the compression spring is sleeved on the locking bolt, and two ends of the compression spring are respectively provided with a gasket; the bolt penetrates the compression spring, the gasket at the upper end and the square sleeve of the spanner in sequence through the gasket at the lower end, and is screwed in the internal threaded hole of the door lock body, so that the door lock handle is connected with the door lock body to jointly form a handle operation part of the locking mechanism;
the lock body cover comprises a cover plate, a first rotating shaft, a lock body cover seat and a first torsion spring; the lock body cover seat is fixed on the outer side of the top window cover in a welding mode, a first mounting hole is formed in the side wall of the lock body cover seat, a second mounting hole is formed in a connecting plate of the cover plate, the first rotating shaft penetrates through the first mounting hole, the second mounting hole and the first torsion spring, the cover plate is connected to the lock body cover seat, the cover plate can tightly press the upper port of the threaded shaft sleeve under the action of the first torsion spring, and the protection sealing effect on the locking mechanism is achieved.
4. The special vehicle roof window cover apparatus of claim 3, wherein the roof window cover turnover mechanism comprises a hinge assembly, a hinge fixing support, a torsion bar spring, a second torsion bar spring support, a limiting device and a latch hook device; wherein, the liquid crystal display device comprises a liquid crystal display device,
the hinge assembly and the hinge fixing support are respectively two groups; the second torsion bar spring support and the hinge fixing support are fixed at the position near the window of the vehicle body top cover in a welding mode;
the hinge assembly comprises a hinge main board, a hinge auxiliary board and a mandrel; the hinge main board is fixed on the hinge fixing support through bolts, and the hinge auxiliary board is fixedly connected with the outer side of the top cover window through a welding mode; the mandrel is hollow, the mandrel is connected between the hinge main board and the hinge auxiliary board, and the hinge main board and the hinge auxiliary board can freely rotate around the mandrel; the torsion bar spring sequentially penetrates through the central shafts of the two combined page assemblies, one end of the torsion bar spring is matched with the first torsion bar spring support on the top window cover, and the other end of the torsion bar spring is matched with the second torsion bar spring support;
the limiting device is arranged between the two combined page assemblies and comprises a limiting block support and a limiting block; the limiting block support is fixed on the vehicle body top cover in a welding mode, and the limiting block is made of hard rubber;
the lock hook device comprises a lock hook support, a second lock hook, a second torsion spring and a second rotating shaft; the lower end of the lock hook support is fixedly connected to the vehicle body top cover in a welding mode, a third mounting hole is formed in the upper end of the lock hook support, and the second rotating shaft is used for mounting the root parts of the second torsion spring and the second lock hook in the third mounting hole; the front end of the second lock hook is matched with the first lock hook, and a poking piece is fixedly arranged on the second lock hook; the second latch hook is located at the initial position under the action of the second torsion spring.
5. The special vehicle roof window cover apparatus according to claim 4, wherein the design stiffness k of the torsion bar spring satisfies the following relation:
wherein G is m The weight of the top window cover is N; b is the distance from the center of mass of the top window cover to the overturning center, and the unit is mm; alpha is the turnover angle of the top window cover, and the unit degree is the unit degree;
is the torsion angle of the torsion bar spring, in degrees. />
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222926792.8U CN219012304U (en) | 2022-11-03 | 2022-11-03 | Top window cover device of special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222926792.8U CN219012304U (en) | 2022-11-03 | 2022-11-03 | Top window cover device of special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219012304U true CN219012304U (en) | 2023-05-12 |
Family
ID=86252006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222926792.8U Active CN219012304U (en) | 2022-11-03 | 2022-11-03 | Top window cover device of special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219012304U (en) |
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2022
- 2022-11-03 CN CN202222926792.8U patent/CN219012304U/en active Active
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