CN112482904A

CN112482904A - Electric locking mechanism of electric turnover window

Info

Publication number: CN112482904A
Application number: CN202011528625.7A
Authority: CN
Inventors: 石碧峰; 邓之楠; 杨兆万; 周艳红
Original assignee: Hubei Honghua Intelligent Technology Co ltd
Current assignee: Hubei Honghua Intelligent Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-03-12
Anticipated expiration: 2040-12-22
Also published as: CN112482904B

Abstract

The invention is suitable for the field of electric locks, and provides an electric locking mechanism of an electric turnover window, which comprises a front locking mechanism, a rear locking mechanism and a side locking mechanism, wherein the front locking mechanism comprises a first fastener, a first connecting rod and a second connecting rod, the rear locking mechanism comprises a lock body, a second fastener and a pull rod, the lock body comprises a lock tongue and a lock claw which are clamped in a latch mode, the electric locking mechanism also comprises an outer opening plate which is positioned near the lock claw, and the side locking mechanism is of a bolt structure. By arranging a plurality of locking mechanisms, the problems that the existing turnover window has installation and locking errors when being closed, the turnover window is not tightly pressed with a sealing strip, and the sealing performance is poor are solved; and when the turnover window is opened, the rear part locking construction stage has the problem of left-right shaking at the top position due to the influence of random working conditions.

Description

Electric locking mechanism of electric turnover window

Technical Field

The invention belongs to the field of electric locks, and particularly relates to an electric locking mechanism of an electric turnover window.

Background

At present, the turnover window on the engineering machinery cab is gradually developed towards electromotion by manual operation in the opening process, and the automatic opening of the turnover window is realized through the electric support rod to drive the rotating arm hinged between the cab and the turnover window, so that an effective scheme for the development of the turnover window towards electromotion and automation is realized. However, during turning, the two states of closing and opening need to be locked, so that the sealing strip on the turning window and the turning window are tightly pressed during closing, the sealing requirement is ensured, and rainwater is prevented from leaking into the cab; meanwhile, when the turnover window is opened to the top, the phenomenon of violent shaking after the turnover window is locked is avoided due to the influence of severe construction working conditions.

In the patent with publication number CN210798669U, the electric lock body is mounted on the front top of the windshield of the cab through a bracket, although the electric lock of the scheme can ensure the locking function of the turnover window when the turnover window is closed, the turnover window and the sealing strip of the cab cannot be pressed tightly due to the mounting error of the electric lock or the fit clearance error between the bolt of the electric lock and the lock catch on the turnover window, and rainwater leaks into the cab; meanwhile, the turnover window in the patent has only a middle rear locking function when the top is opened, and the phenomenon that the turnover window shakes leftwards and rightwards in the construction stage occurs. At present, when the turnover window is closed and opened, an effective scheme that a locking mechanism with reliable locking, simple structure and low cost is developed from manpower to electromotion for operating the heavy turnover window is sought.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide an electric locking mechanism for an electric tilting window, which aims to solve the technical problems of poor locking and sealing performance and easy shaking of the existing electric tilting window.

The invention adopts the following technical scheme:

electronic locking mechanism of electronic upset window includes preceding locking mechanism, back locking mechanism and side locking mechanism, preceding locking mechanism includes first fastener, first connecting rod and second connecting rod, first fastener is used for driving first connecting rod and second connecting rod and moves to the outside, back locking mechanism includes lock body, second fastener and pull rod, the lock body includes spring bolt and the lock claw of latch form block, still including being located near the outer board of opening of lock claw, outer board of opening is used for the drive the lock claw rotates, the second fastener passes through the pull rod is connected to outer board of opening is opened in order to drive outer board rotation, side locking mechanism is the bolt structure.

Furthermore, preceding locking mechanism still including being used for the middle part pivot to install the crank on the top support before the driver's cabin, first fastener is connected with the drive block, the head end of first connecting rod and second connecting rod is articulated in the crank both ends respectively one-to-one, open at the tail end of drive block has the spout, crank one end is equipped with the drive post, the drive post penetrates in the spout.

Furthermore, the front locking mechanism further comprises guide sliding blocks which are arranged on two sides of a front top support of the cab, and the first connecting rod and the second connecting rod penetrate through the guide sliding blocks on the corresponding sides.

Furthermore, a stop lever is arranged at the edge of the locking claw, a protrusion is arranged on the outer opening plate, and the protrusion is positioned on the inner side of the stop lever.

Furthermore, the lock body further comprises a mounting plate and a bearing plate which are assembled together, the rotating shafts of the lock tongue and the lock claw are mounted between the mounting plate and the bearing plate, and the rotating shaft of the outer opening plate is mounted on the mounting plate.

Furthermore, a manual shifting column is fixed on the outer side of the outer opening plate upwards.

Further, between mounting panel and the loading board and be located the spring bolt and rotate the installation in offside position and install the driving medium, near driving medium is equipped with the sensor.

Further, side locking mechanism includes the key seat, the pin seat is inwards installed and is inserted the bolt subassembly.

Furthermore, the bolt assembly comprises a bolt shell, a bolt shaft and a reset spring, the bolt shell is fixed on the bolt seat through a nut, the reset spring penetrates through the middle of the bolt shaft and is integrally installed in an inner cavity of the bolt shell, the head end of the bolt shaft is exposed out of the bolt shell, and a connecting hole is formed in the tail end of the bolt shaft.

Furthermore, the side locking mechanism further comprises a third locking device, and two ends of the third locking device are connected to the connecting holes of the corresponding bolt shafts through flexible shafts.

The invention has the beneficial effects that: by the structure, when the turnover window is in a closed state, the front locking mechanism ensures that the turnover window is reliably locked when closed, and meanwhile, the turnover window and a cab are well sealed, so that rainwater is prevented from leaking into the cab; when the turnover window is in an open state, the turnover window is guaranteed not to shake left and right under the combined action of the rear locking mechanism and the side locking mechanisms symmetrically arranged on two sides because of the severe working conditions and the external force action of the turnover window during construction; therefore, the invention solves the problems that the existing turnover window has installation and locking errors when being closed, the turnover window is not tightly pressed with the sealing strip and the sealing performance is poor through the arrangement of a plurality of locking mechanisms; and when the turnover window is opened, the rear part locking construction stage has the problem of left-right shaking at the top position due to the influence of random working conditions.

Drawings

FIG. 1 is a view of a locking state of an electric locking mechanism of an electric tilting window when the tilting window is closed;

FIG. 2 is a view of the locking state of the electric locking mechanism of the turnover window when the turnover window is opened;

FIG. 3 is a block diagram of the front locking mechanism;

FIG. 4 is an enlarged partial view of the front locking mechanism;

FIG. 5 is a view of an angle of the interior of the lock body;

FIG. 6 is a lock body construction view;

figure 7 is another perspective view of the interior of the lock body;

FIG. 8 is a partial view of the upper portion of the roll-over window;

FIG. 9 is a schematic diagram of a side locking mechanism;

FIG. 10 is a block diagram of the latch assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

In order to explain the technical means of the present invention, the following description will be given by way of specific examples.

Fig. 1 and 2 respectively show the structure of the power locking mechanism for power-driven window according to the embodiment of the present invention, and only the parts related to the embodiment of the present invention are shown for convenience of description.

Fig. 1 and 2 are two state diagrams of the flip window being closed and opened, respectively. In the present embodiment, the "front", "rear", "left" and "right" are the same as the "front", "rear", "left" and "right" orientations of the cab corresponding to the convertible window in the usual manner.

The structure of the embodiment realizes the lock opening and closing based on the matching of the turnover window arranged on the cab frame. In the figure, a mark a is a cab frame, and a mark B is a roll-over window. The side of upset window articulates there is rotor arm 5, cab frame side articulates there is electric support bar C, electric support bar C output end articulates on rotor arm 5, electric support bar C circular telegram drives rotor arm 5 and rotates, there is the guide rail cab frame A front portion both sides, there is the leading wheel upset window B bottom both sides, the leading wheel is located the guide rail that corresponds, electric support bar drives the rotor arm and rotates, and then the drive upset window moves along the guide rail on the cab frame, realize closing and opening of electronic upset window.

Based on this structure, the electric locking mechanism for the electric roll-over window provided by the embodiment includes a front locking mechanism 1, a rear locking mechanism 2 and a side locking mechanism 3, the front locking mechanism 1 includes a first latch 15, a first connecting rod 12 and a second connecting rod 13, and the first latch 14 is used for driving the first connecting rod 12 and the second connecting rod 13 to move outwards. As shown in fig. 2, the rotating arms 5 at both sides of the roll-over window are provided with first latch holes 501, and in the locking state shown in fig. 1, the first locking device drives the two connecting rods to move outwards and insert into the first latch holes at the corresponding side, so as to lock the roll-over window.

As a concrete implementation mechanism, as shown in fig. 3, the front locking mechanism 1 further includes a crank 11 for installing a middle rotating shaft on a front top support of the cab, the first fastener 1 is connected with a driving block 17, the head ends of the first connecting rod 12 and the second connecting rod 13 are respectively hinged to two ends of the crank 11 in a one-to-one correspondence manner, as shown in fig. 4, a sliding groove is formed at the tail end of the driving block 17, a driving column 18 is arranged at one end of the crank 11, the driving column 18 penetrates into the sliding groove, and a moving space is reserved for the driving column when the sliding groove rotates, so that the driving block which moves linearly drives the crank to rotate. In addition, the front locking mechanism 1 further comprises guide sliders 14 arranged on two sides of a front top bracket of the cab, and the first connecting rod 12 and the second connecting rod 13 penetrate through the guide sliders 14 on the corresponding sides. When the crank rotates, the connecting rods on the two sides move outwards, and the tail ends of the connecting rods can be accurately inserted into the first bolt holes in the rotating arms under the guiding action of the guiding sliding blocks, so that the front locking function of the turnover window in a closed state is completed.

In the structure, the first connecting rod and the second connecting rod are of a reverse symmetrical structure, the sliding block is fixed on a support at the front top of the cab and hinged to the two connecting rods respectively to restrain the first connecting rod and the second connecting rod from doing linear motion in the left-right direction along the sliding block, the driving block is pushed to move leftwards under the driving of the first locking device, and the crank rotates anticlockwise to drive the first connecting rod and the second connecting rod to do reverse extension motion simultaneously. Similarly, the driving block is pushed to retreat and move rightwards under the driving of the first locking device, the crank rotates clockwise to drive the first connecting rod and the second connecting rod to contract reversely at the same time, the tail ends of the two connecting rods are separated from the first bolt hole of the rotating arm, the front locking mechanism completes the unlocking function, and the turnover window can be opened under the driving of the electric supporting rod.

As shown in fig. 5 to 7, the rear locking mechanism 2 includes a lock body 21, a second locking device 22, and a pull rod 23, where the lock body 21 includes a latch 211 and a pawl 213 that are engaged in a latch manner, and an outer opening plate 212 located near the pawl, where the outer opening plate 212 is used to drive the pawl 223 to rotate, and the second locking device 22 is connected to the outer opening plate 212 through the pull rod 23 to drive the outer opening plate to rotate.

In this embodiment, the locking claw is installed through the reset torsion spring, the spring bolt, the locking claw passes through latch form block, fig. 7 is shown, there are two latch positions on a spring bolt side, there is corresponding fixture block locking claw one side, under the state of unblanking, the fixture block is located outside latch position, show the below latch position of drawing in the figure promptly, when the spring bolt collides with the hasp (the shown mark 4 of fig. 8) of upset window emergence contact, the spring bolt anticlockwise rotation, then the fixture block is located inboard latch position, show the above latch position of drawing in the figure promptly, the locking claw forms the auto-lock with the spring bolt this moment. When the lock needs to be unlocked, the second locking device pulls the outer opening plate to rotate through the pull rod, the outer opening plate pulls the locking claw to rotate, the clamping block is separated from the clamping tooth position of the spring bolt, and unlocking is completed. The spring bolt also can set up the torsional spring that resets and make the automatic clockwise roll-out of spring bolt.

As a specific structure of the lock body, the lock body 21 further includes an installation plate 214 and a bearing plate 215 which are assembled together, the locking tongue 211 and the locking claw 213 are both pivotally installed between the installation plate 214 and the bearing plate 215, a stop lever 2131 is further disposed at an edge of the locking claw 213, the outer unlocking plate 212 is pivotally installed on the installation plate 214, a protrusion is disposed on one side of the outer unlocking plate 212, and the protrusion is located inside the stop lever 2131. The outer opening plate rotates, the protrusion is contacted with the stop lever, and the locking claw is stirred to rotate. The mounting plate and the bearing plate are used as bearing structures and are used for mounting the lock tongue, the locking claw and the outer opening plate. In addition, a manual shifting column 2121 is fixed on the outer side of the outer opening plate upwards. Under the condition of power loss, the manual shifting column 2121 is manually operated, the locking claw rotates, the locking claw is separated from the lock tongue, and the unlocking function is completed.

In addition, a transmission member 216 is rotatably mounted between the mounting plate 214 and the bearing plate 215 at a position opposite to the latch bolt, and a sensor 217 is arranged near the transmission member. When the latch 4 collides with the latch 211, the latch 4 also collides with the transmission member 216 to rotate, and when the sensor 217 detects that the transmission member is in place, a signal is fed back to the control unit of the power-driven roll-over window, and the control unit performs subsequent processing. The sensor is a crash sensor.

In this embodiment, the side locking mechanism is a latch structure. When the control unit detects that the lock catch collides with the lock tongue, the lock body is self-locked, and meanwhile, the control unit controls the side locking mechanism to fix the two sides of the turnover window. As a specific structure of the side locking mechanism, as shown in fig. 8 and 9, the side locking mechanism includes a pin seat, which is marked as D, and a plug pin assembly is installed in the pin seat. Hasp 4 is installed to top intermediate position on the upset window, and bolt support 6 is installed to upset window left and right sides symmetry, and bolt support 6 is provided with second bolt hole 601, plays the positioning action of controlling back locking function. As shown in fig. 10, the latch assembly 3 includes a latch housing 31, a latch shaft 32, and a return spring 33, the latch housing 31 is fixed on a pin seat by a nut 34, the return spring 33 penetrates through the middle of the latch shaft 32 and is integrally installed in an inner cavity of the latch housing 31, a head end of the latch shaft is exposed out of the latch housing 31, and a tail end of the latch shaft 32 is provided with a connecting hole 321. Further, the side locking mechanism further comprises a third locking device 35, and two ends of the third locking device 35 are connected to the connecting holes 321 of the corresponding latch shafts through flexible shafts 36.

When the control unit of the movable turnover window receives the trigger signal output by the sensor, the lock catch of the turnover window is locked in place at the moment, the control unit controls the third locking device to act, the flexible shaft unloads and releases the pulling force, and under the action of the reset spring, the head end of the bolt shaft is inserted into the second bolt hole. Therefore, the turnover window and the driving building have the functions of back locking and side locking simultaneously by driving the back locking mechanism and the side locking mechanism.

When the turnover window needs to be closed, the third fastener is loaded through the flexible shaft through reverse action, and the bolt shaft is pulled, so that the bolt shaft is separated from the second bolt hole, and the unlocking function of the side locking mechanism is realized. Meanwhile, the second fastener drives the outer opening plate to rotate through the pull rod, and then drives the locking claw to rotate, so that the spring bolt rotates clockwise under the action of the reset torsion spring, the spring bolt is separated from the lock catch, and the unlocking function of the rear locking mechanism is realized.

In conclusion, when the turnover window is in a closed state, the front locking mechanism ensures that the turnover window is reliably locked when closed, and meanwhile, the turnover window and a cab are well sealed, so that rainwater is prevented from leaking into the cab; when the upset window was in the open mode, because the upset window received abominable operating mode and exogenic action when the construction, under the side locking mechanism combined action through back locking mechanism and bilateral symmetry arrangement, guaranteed that the upset window does not appear and control the phenomenon of rocking.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electronic locking mechanism of electronic upset window, its characterized in that, electronic locking mechanism includes preceding locking mechanism, back locking mechanism and side locking mechanism, preceding locking mechanism includes first dead lock, first connecting rod and second connecting rod, first dead lock is used for driving first connecting rod and second connecting rod and moves to the outside, back locking mechanism includes lock body, second dead lock and pull rod, the lock body includes spring bolt and the lock claw of latch form block, still including being located near the outer board of opening of lock claw, it is used for the drive to open outward the board lock claw rotates, the second dead lock passes through the pull rod is connected to open outward the board and open the board rotation outward in order to drive, side locking mechanism is the bolt structure.

2. The electric locking mechanism for the electric turnover window of claim 1, further comprising a crank for mounting the middle rotating shaft on the front top bracket of the cab, wherein the first locking device is connected with a driving block, the head ends of the first connecting rod and the second connecting rod are respectively hinged to two ends of the crank in a one-to-one correspondence manner, the tail end of the driving block is provided with a sliding slot, one end of the crank is provided with a driving column, and the driving column penetrates into the sliding slot.

3. The power window latch mechanism of claim 2, wherein the front latch mechanism further comprises guide blocks for being mounted on both sides of a front roof bracket of the cab, and the first link and the second link pass through the guide blocks on the respective sides.

4. The power locking mechanism for power-driven turnover windows of claim 1 wherein the locking pawl is further provided with a stop bar at the edge thereof, and the outer opening plate is provided with a projection inside the stop bar.

5. The power-driven locking mechanism for power-driven turnover windows of claim 4 wherein said lock body further comprises a mounting plate and a bearing plate assembled together, said lock tongue and said lock pawl are pivotally mounted between said mounting plate and said bearing plate, and said outer opening plate is pivotally mounted to said mounting plate.

6. The power-driven locking mechanism for the power-driven turnover window of claim 5 is characterized in that a manual shifting column is further fixed on the outer side of the outer opening plate upwards.

7. The power locking mechanism for power-driven turnover windows of claim 6 wherein a drive member is rotatably mounted between the mounting plate and the carrier plate at a location opposite the latch bolt, and a sensor is disposed adjacent to the drive member.

8. The power window latch mechanism of claim 7 wherein said side latch mechanism includes a pin boss having a pin assembly mounted inwardly.

9. The power locking mechanism for power-driven roll-over window as claimed in claim 8, wherein the latch assembly comprises a latch housing, a latch shaft and a return spring, the latch housing is fixed on the latch base by a nut, the return spring is inserted through the middle of the latch shaft and is integrally mounted in the inner cavity of the latch housing, the head end of the latch shaft is exposed out of the latch housing, and the tail end of the latch shaft is provided with a connecting hole.

10. The power locking mechanism for power-driven turnover windows of claim 9 further comprising a third locking device, wherein both ends of the third locking device are connected to the connecting holes of the corresponding latch shafts through flexible shafts.