CN210768261U

CN210768261U - Torsion spring type limiter structure for maximum early warning of vehicle door opening and closing

Info

Publication number: CN210768261U
Application number: CN201921190068.5U
Authority: CN
Inventors: 严海龙
Original assignee: Anhui Hansheng Vehicle Parts Co ltd
Current assignee: Anhui Hansheng Vehicle Parts Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-16
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a torsional spring type limiter structure with maximum early warning of vehicle door opening and closing, which comprises a fixed seat, a movable leaf, a hinged seat and a rotating shaft, wherein the hinged seat on the surface of the movable leaf is rotationally connected with the fixed seat through the rotating shaft, the utility model is provided with a first gear roller and a second gear roller which is symmetrical with an auxiliary roller, the first gear roller, the second gear roller and the auxiliary roller are in a gear structure, the effect of limiting gears is achieved by utilizing the first gear roller and the second gear roller, the second gear roller is provided with a fixed ratchet wheel, a freely rotating oscillating rod and a pawl, and the pawl forms a certain included angle with the oscillating rod, when a torsional spring passes through the second gear roller, the second gear roller drives the ratchet wheel to rotate, due to the limiting column effect, the ratchet wheel and the pawl form self-locking, the ratchet wheel can drive the oscillating rod to synchronously rotate through the pawl, the first connecting circuit board on the oscillating rod can rotate and is contacted with the second connecting circuit board, and triggering the early warning device circuit to achieve the early warning effect.

Description

Torsion spring type limiter structure for maximum early warning of vehicle door opening and closing

Technical Field

The utility model mainly relates to the technical field of auto-parts, concretely relates to door opens and shuts torsional spring formula stopper structure of biggest early warning.

Background

The early warning is to send out a signal and report the dangerous situation according to the conventional summarized rule or the possibility precursor obtained by observation before the dangerous situation needing to be raised, so as to avoid the dangerous situation happening under the condition of unknown or insufficient preparation. One such type of check is to limit the degree to which the door opens. On one hand, the limiting device can limit the maximum opening degree of the car door and prevent the car door from being opened too much, on the other hand, the limiting device can keep the car door open when needed, if the car stops on a ramp or blows general wind, the car door can not be automatically closed, the two types of the traditional limiting devices are respectively a rubber spring type limiting device and a torsion spring type limiting device, the torsion spring type limiting device is mostly combined with a hinge for use, but the traditional torsion spring type limiting device has multiple defects in structure.

The current torsion spring type limiter does not provide an early warning signal when the automobile door is opened and closed to the maximum, if the door is opened and closed completely, the occupied space is large, the door is easy to scrape on a non-motor vehicle, potential safety hazards are caused, the automobile door is opened and closed to the maximum for a long time under the condition that a user does not know, the service life of the limiter is influenced, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a torsional spring formula stopper structure of the biggest early warning of door opening and shutting for it does not provide early warning signal to propose the door opening and shutting when the biggest in solving above-mentioned background art, occupation space is big, and easy non-motor scraping leads to arousing the potential safety hazard, and opens and shuts the door the biggest for a long time under the condition that the user is not aware of, also can cause the technical problem of influence to the life-span of stopper.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

comprises a fixed seat, a movable leaf, a hinged seat and a rotating shaft, wherein the hinged seat on the surface of the movable leaf is rotatably connected with the fixed seat through the rotating shaft, the edge of the surface of the movable leaf is welded with a torsional spring fixing sleeve, an S-shaped torsional spring is fixed on the torsional spring fixing sleeve, a first gear roller is arranged at the position, close to the torsion spring, of the top end of the fixed seat, a second gear roller and an auxiliary roller are respectively arranged at one side, far away from the torsion spring, of the first gear roller, the second gear roller and the auxiliary roller are symmetrically arranged, the rotation centers of the second gear roller, the auxiliary roller and the rotating shaft are on the same straight line, one side of the second gear roller, which is far away from the auxiliary roller, is provided with a pre-tightening trigger mechanism, the automobile safety warning device is characterized in that a control box is installed on the inner side face of the fixing seat, a storage battery and a warning device are installed inside the control box respectively, and the storage battery and the warning device are electrically connected with an automobile body through a power circuit.

Furthermore, the pre-tightening trigger mechanism comprises a ratchet wheel, a swing rod, a pawl, a first connecting circuit board, a second connecting circuit board, a limiting post and a limiting groove, the ratchet wheel is screwed and fixed with a second gear roller through a threaded post, the swing rod is connected with the ratchet wheel through a rotating sleeve in a rotating mode, the pawl is connected to the bottom end of the swing rod in a rotating mode, the pawl is meshed with the ratchet wheel, the limiting post is welded to the center position of the bottom end of the swing rod, the limiting groove in the edge of the pawl is connected with the limiting post in an embedded mode, the first connecting circuit board is fixedly connected to one side, far away from the ratchet wheel, of the swing rod, the second connecting circuit board is arranged on the circumferential line, around the ratchet wheel, of the first connecting circuit board, and the second connecting circuit board is electrically connected with the first.

Furthermore, the back of first connecting circuit board is provided with canceling release mechanical system, canceling release mechanical system includes extension spring and scute seat, the scute seat is connected with first connecting circuit board through the extension spring, and the scute seat passes through the fix with screw on the surface on fixing base top.

Furthermore, the back of the second connecting circuit board is provided with an adjusting mechanism, the adjusting mechanism comprises a spring and a vertical plate seat, the vertical plate seat is connected with the second connecting circuit board through the spring, and the vertical plate seat is welded on the surface of the top end of the fixing seat.

Furthermore, first gear roller, supplementary roller and second gear roller structure size are all the same, and equidistant inner groovy seted up all around of first gear roller, supplementary roller and second gear roller, the inner groovy is identical with the outer circular wall of torsional spring.

Furthermore, the main body part of the torsion spring is in sliding connection with the slide way, and the slide way is overlapped with a track line of the main body part of the torsion spring rotating around the rotating shaft.

Further, the gusset plate seat is a stamping part.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the torsion spring type limiter with the maximum early warning of the opening and closing of the vehicle door is structurally provided with a first gear roller and a second gear roller which is symmetrical to an auxiliary roller, the first gear roller, the second gear roller and the auxiliary roller are in a gear-shaped structure, when a torsion spring rotates along with a movable leaf, the torsion spring passes through the first gear roller, the paired second gear roller and the auxiliary roller through extrusion force, the effect of limiting gears is achieved by utilizing the first gear roller and the second gear roller, the second gear roller is closer to the maximum stroke of the torsion spring, namely the maximum track of the opening and closing, the second gear roller is provided with a fixed ratchet wheel, a freely rotating swing rod and a pawl which forms a certain included angle with the swing rod, the pawl can also freely rotate but is blocked by a limiting column in the direction, when the torsion spring passes through the second gear roller, the second gear roller drives the ratchet wheel to rotate, due to the action of the limiting column, the self-locking is formed by the pawl, and the ratchet wheel can drive the swing rod, the first connecting circuit board on the swing rod can rotate and is in contact with the second connecting circuit board to trigger the early warning device circuit, so that the early warning effect is achieved.

2. This torsional spring formula stopper structure of the biggest early warning that opens and shuts of door passes through the second gear roller at the torsional spring, when being in the biggest opening and shutting of door completely, first connection circuit board resets under the effect of extension spring, and when the initial position when the door closure was got back to the torsional spring, when the torsional spring passes through the second gear roller in the opposite direction, the direction of rotation of pawl did not receive the restriction of spacing post this moment, because the rotation of ratchet, the pawl is stirred between ratchet and ratchet groove, can not cause first connection circuit board to take place the motion, the stability of using has been improved greatly.

3. This torsional spring formula stopper structure of the biggest early warning that opens and shuts of door installs the spring at the back of the second connection circuit board, because the door is often opened and closed, along with the change of frictional force and the deformation of torsional spring between torsional spring and the second gear roller, lead to the torsional spring when passing through the second gear roller, the turned angle of second gear roller also can change, be in certain angular range, and connect the return circuit through the spring coupling second, can compensate the first connection circuit board stroke that receives the change of second gear roller corner with the deformation of spring, ensure that first connection circuit board stroke motion distance still keeps contacting each other under the state that promotes the second connection circuit board, avoid because rock and other factors lead to contact failure scheduling problem, service life has been prolonged greatly.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a diagram illustrating the physical effects of the present invention;

FIG. 2 is a partial enlarged view of the early warning trigger mechanism at position A of the present invention;

FIG. 3 is a diagram illustrating the physical effect of the movable page of the present invention;

FIG. 4 is a diagram of the physical effect of the shift roller of the present invention;

fig. 5 is a partial disassembly effect diagram of the warning trigger mechanism of the utility model;

FIG. 6 is a view showing the disassembling effect of the swing link according to the present invention;

FIG. 7 is a front view of the fixing base of the present invention;

fig. 8 is a control box disassembling effect diagram of the present invention.

In the figure: 1. a fixed seat; 2. a live page; 3. a hinged seat; 4. a torsion spring fixing sleeve; 5. a torsion spring; 6. a first shift roller; 7. a slideway; 8. an auxiliary roller; 9. a second shift roller; 10. a ratchet wheel; 11. a swing rod; 12. a pawl; 13. a first connection circuit board; 14. a gusset plate seat; 15. a tension spring; 16. a second connecting circuit board; 17. a vertical plate seat; 18. a spring; 19. a limiting column; 20. a limiting groove; 21. a control box; 22. a rotating shaft; 23. a storage battery; 24. an early warning device.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, including the fixed seat 1, the movable leaf 2, the hinge seat 3 and the rotation axis 22, the hinge seat 3 on the surface of the movable leaf 2 is rotatably connected with the fixed seat 1 through the rotation axis 22, the edge of the surface of the movable leaf 2 is welded with the torsion spring fixing sleeve 4, the S-shaped torsion spring 5 is fixed on the torsion spring fixing sleeve 4, the first gear roller 6 is installed at the position of the torsion spring 5 near the top end of the fixed seat 1, the second gear roller 9 and the auxiliary roller 8 are respectively installed at the side of the first gear roller 6 far away from the torsion spring 5, the second gear roller 9 and the auxiliary roller 8 are symmetrically arranged, and the rotation centers of the second gear roller 9, the auxiliary roller 8 and the rotation axis 22 are on the same straight line, the limiting principle, when the torsion spring 5 passes through the first gear roller 6, the torsion spring 5 needs to be slightly deformed to be closely attached to the groove on the first gear roller 6, and along with, drive first gear roller 6 and rotate, until torsional spring 5 passes through first gear roller 6, deformation resumes, this moment when opening the door, there is the pause sense, when opening the door next time, torsional spring 5 can be through the clearance of second gear roller 9 and auxiliary roller 8, torsional spring 5 inlays on second gear roller 9 through deformation, and exert pressure to second gear roller 9, the recess on the auxiliary roller 8 also can inlay on torsional spring 5, keep torsional spring 5's stability, when torsional spring 5 passes through second gear roller 9, also have the pause sense, until through second gear roller 9, and when the door was opened, because the existence of first gear roller 6 and second gear roller 9, the door is difficult to close by oneself under external factor.

Second gear roller 9 is kept away from one side of installation auxiliary roller 8 and is installed pretension trigger mechanism, install control box 21 on the medial surface of fixing base 1, battery 23 and early warning ware 24 are installed respectively to control box 21's inside, battery 23 passes through power supply line and automobile body electric connection with early warning ware 24, in case the door will open and shut to the biggest soon, pretension trigger mechanism trigger circuit, early warning ware 24 is a speaker, turn into sound signal with the signal of telecommunication, play the warning effect.

Please refer to fig. 2 and fig. 6, the pre-tightening trigger mechanism includes a ratchet 10, a swing rod 11, a pawl 12, a first connecting circuit board 13, a second connecting circuit board 16, a limiting post 19 and a limiting groove 20, the ratchet 10 is screwed and fixed with the second shift roller 9 through a threaded post, the swing rod 11 is rotatably connected with the ratchet 10 through a rotating sleeve, the pawl 12 is rotatably connected with the bottom end of the swing rod 11, the pawl 12 is meshed with the ratchet 10, the limiting post 19 is welded at the central position of the bottom end of the swing rod 11, the limiting groove 20 on the edge of the pawl 12 is embedded and connected with the limiting post 19, the first connecting circuit board 13 is fixedly connected on one side of the swing rod 11 far away from the ratchet 10, the second connecting circuit board 16 is arranged on the circumference of the first connecting circuit board 13 rotating around the ratchet 10, and the second connecting circuit board 16 is electrically connected with the first connecting circuit board 13. In this embodiment, when the torsion spring 5 passes through the second gear roller 9, the second gear roller 9 is pressed and rotated, the second gear roller 9 drives the ratchet 10 to rotate at the same time, and since the limiting groove 20 on the pawl 12 is blocked by the limiting post 19 and cannot rotate, the pawl 12 and the ratchet groove on the ratchet 10 are self-locked, so that the ratchet 10 drives the pawl 12 to rotate the swing rod 11, and the swing rod 11 drives the first connecting circuit board 13 to rotate and contacts the second connecting circuit board 16 to trigger the circuit.

Referring to fig. 2 again, the back of the first connecting circuit board 13 is provided with a reset mechanism, the reset mechanism includes a tension spring 15 and a corner plate seat 14, the corner plate seat 14 is connected with the first connecting circuit board 13 through the tension spring 15, and the corner plate seat 14 is fixed on the surface of the top end of the fixing seat 1 through a screw. In this embodiment, when the first connecting circuit board 13 rotates and contacts with the second connecting circuit board 16, the tension spring 15 is extended, and when the torsion spring 5 does not apply pressure to the second shift roller 9, the first connecting circuit board 13 is reset by the tension spring 15, and meanwhile, the swing link 11 also drives the ratchet 10 to rotate through the pawl 12, and the ratchet 10 also drives the second shift roller 9 to rotate.

Please refer to fig. 2 again, the back of the second connecting circuit board 16 is provided with an adjusting mechanism, the adjusting mechanism includes a spring 18 and a vertical plate seat 17, the vertical plate seat 17 is connected to the second connecting circuit board 16 through the spring 18, and the vertical plate seat 17 is welded on the surface of the top end of the fixing seat 1. In this embodiment, when the first connection circuit board 13 contacts the second connection circuit board 16, the first connection circuit board 13 pushes the second connection circuit board 16, so that the spring 18 contracts, and at this time, the first connection circuit board 13 still contacts the second connection circuit board 16, and when the first connection circuit board 13 is reset, the second connection circuit board 16 has good stability due to the extension of the spring 18, thereby avoiding poor contact between the first connection circuit board 13 and the second connection circuit board 16 caused by vibration and shaking, and even a gap.

Referring again to fig. 1 and 2, the first shift roller 6, the auxiliary roller 8 and the second shift roller 9 have the same structural size, and the first shift roller 6, the auxiliary roller 8 and the second shift roller 9 have inner grooves formed at equal intervals around them, and the inner grooves are matched with the outer circumferential wall of the torsion spring 5. In this embodiment, through the mutual gomphosis of inner groovy and torsional spring 5, through increase area of contact, improved frictional force each other for during the 5 movements of torsional spring, drive first gear roller 6, supplementary roller 8 and second gear roller 9 and rotated more smoothly, avoid skidding.

Referring again to fig. 1, the main body of the torsion spring 5 is slidably connected to the slide 7, and the slide 7 coincides with the track line of the main body of the torsion spring 5 rotating around the rotating shaft 22. In this embodiment, when the spacing gear was triggered to the part on torsional spring 5, the bottom of main part also can get into slide 7, and when reaching the door maximum position that opens and shuts, torsional spring 5's bottom and slide 7's deepest laminating mutually utilize torsional spring 5 lower part to absorb the impact, prolonged torsional spring 5's life greatly.

The utility model discloses an operation mode has as follows:

the fixed seat 1 is arranged on a frame of a vehicle body, the movable leaf 2 is arranged on a vehicle door, when the vehicle door is opened, the movable leaf 2 rotates on the fixed seat 1 through the rotating shaft 22, the torsion spring 5 also rotates along with the movable leaf 2, when the torsion spring 5 passes through the first gear roller 6, the torsion spring 5 needs to slightly deform to be closely attached to the groove on the first gear roller 6, the first gear roller 6 is driven to rotate along with the rotation of the torsion spring 5 until the torsion spring 5 passes through the first gear roller 6, the deformation is recovered, at the moment, when the vehicle door is opened, a pause feeling exists, when the vehicle door is opened, the torsion spring 5 passes through a gap between the second gear roller 9 and the auxiliary roller 8, the torsion spring 5 is embedded on the second gear roller 9 through the deformation, the groove on the auxiliary roller 8 is also embedded on the torsion spring 5 to keep the stability of the torsion spring 5, when the torsion spring 5 passes through the second gear roller 9, there is a pause feeling, at this time, the second gear roller 9 is pressed and rotated, the second gear roller 9 drives the ratchet 10 to rotate at the same time, since the limit groove 20 on the pawl 12 is blocked by the limit post 19 and cannot rotate, the pawl 12 and the ratchet groove on the ratchet 10 are self-locked, so that the ratchet 10 drives the pawl 12 to rotate the swing rod 11, the swing rod 11 drives the first connecting circuit board 13 to rotate and contact with the second connecting circuit board 16, the circuit is triggered, the early warning device 24 sounds, then the torsion spring 5 continues to rotate until the torsion spring is separated from the second gear roller 9, the first connecting circuit board 13 resets under the action of the tension spring 15, the swing rod 11 also drives the ratchet 10 to rotate through the pawl 12, the ratchet 10 also drives the second gear roller 9 to rotate, and the second connecting circuit board 16 also extends due to the spring 18 until the bottom end part of the torsion spring 5 moves along the slideway 7 until the bottom end part contacts with the deepest part of the slideway 7, the maximum opening and closing of the vehicle door is shown, when the vehicle door is closed next, the torsion spring 5 passes through the second gear roller 9, the rotating direction of the pawl 12 is not limited by the limiting column 19, due to the rotation of the ratchet wheel 10, the pawl 12 is shifted between the ratchet and the ratchet groove, the first connecting circuit board 13 cannot move until the torsion spring 5 reversely passes through the first gear roller 6, the vehicle door is closed, and the whole working process is finished.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The utility model provides a torsional spring formula stopper structure of the biggest early warning that door opened and shut, includes fixing base (1), activity page or leaf (2), articulated seat (3) and axis of rotation (22), its characterized in that: the articulated seat (3) on the surface of the movable leaf (2) is rotatably connected with the fixed seat (1) through a rotating shaft (22), the edge of the surface of the movable leaf (2) is welded with a torsional spring fixing sleeve (4), an S-shaped torsional spring (5) is fixed on the torsional spring fixing sleeve (4), a first gear roller (6) is installed at the position of the torsional spring (5) close to the top end of the fixed seat (1), one side of the first gear roller (6) far away from the torsional spring (5) is respectively provided with a second gear roller (9) and an auxiliary roller (8), the second gear roller (9) is symmetrically arranged with the auxiliary roller (8), the rotating centers of the second gear roller (9), the auxiliary roller (8) and the rotating shaft (22) are on the same straight line, one side of the second gear roller (9) far away from the installation auxiliary roller (8) is provided with a pre-tightening trigger mechanism, a control box (21) is installed on the inner side surface of the fixed seat (1), and a storage battery (23) and an early warning device (24) are respectively arranged in the control box (21).

2. The torsion spring type limiter structure of the maximum early warning of the opening and closing of the vehicle door according to claim 1, wherein the pre-tightening trigger mechanism comprises a ratchet (10), a swing rod (11), a pawl (12), a first connecting circuit board (13), a second connecting circuit board (16), a limiting post (19) and a limiting groove (20), the ratchet (10) is screwed and fixed with a second gear roller (9) through a threaded post, the swing rod (11) is rotatably connected with the ratchet (10) through a rotating sleeve, the pawl (12) is rotatably connected with the bottom end of the swing rod (11), the pawl (12) is meshed with the ratchet (10), the limiting post (19) is welded at the center position of the bottom end of the swing rod (11), the limiting groove (20) on the edge of the pawl (12) is embedded and connected with the limiting post (19), the first connecting circuit board (13) is fixedly connected with one side of the swing rod (11) far away from the ratchet (10), the second connecting circuit board (16) is arranged on a circumferential line of the first connecting circuit board (13) rotating around the ratchet wheel (10), and the second connecting circuit board (16) is electrically connected with the first connecting circuit board (13).

3. The torsion spring type limiter structure of the maximum early warning for the opening and closing of the vehicle door as claimed in claim 2, wherein a reset mechanism is arranged at the back of the first connecting circuit board (13), the reset mechanism comprises a tension spring (15) and a corner plate seat (14), the corner plate seat (14) is connected with the first connecting circuit board (13) through the tension spring (15), and the corner plate seat (14) is fixed on the surface of the top end of the fixed seat (1) through a screw.

4. The torsion spring type limiter structure for the maximum early warning of the opening and closing of the vehicle door according to claim 2, wherein an adjusting mechanism is arranged at the back of the second connecting circuit board (16), the adjusting mechanism comprises a spring (18) and a vertical plate seat (17), the vertical plate seat (17) is connected with the second connecting circuit board (16) through the spring (18), and the vertical plate seat (17) is welded on the surface of the top end of the fixed seat (1).

5. The torsion spring type limiter structure capable of giving the maximum early warning when the vehicle door is opened and closed according to claim 1, wherein the first gear roller (6), the auxiliary roller (8) and the second gear roller (9) are identical in structure size, inner grooves are formed in the peripheries of the first gear roller (6), the auxiliary roller (8) and the second gear roller (9) at equal intervals, and the inner grooves are matched with the outer circular wall of the torsion spring (5).

6. The torsion spring type stopper structure for maximum early warning of vehicle door opening and closing according to claim 1, wherein the main body of the torsion spring (5) is slidably connected with the slideway (7), and the slideway (7) is coincided with the track line of the main body of the torsion spring (5) rotating around the rotating shaft (22).