CN203876702U - Traction type anti-hijack device for car - Google Patents
Traction type anti-hijack device for car Download PDFInfo
- Publication number
- CN203876702U CN203876702U CN201420297473.8U CN201420297473U CN203876702U CN 203876702 U CN203876702 U CN 203876702U CN 201420297473 U CN201420297473 U CN 201420297473U CN 203876702 U CN203876702 U CN 203876702U
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- CN
- China
- Prior art keywords
- car
- sleeve pipe
- assembly
- seat
- slide block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A traction type anti-hijack device for a car solves the problems that the massive structure of an existing transmission mechanism occupies large limited space, and return operation is not convenient to perform. The traction type anti-hijack device for the car comprises an upper beam assembly and a lower beam assembly assembled at the bottom of a seat in the car, and a transmission mechanism assembly with two transmission mechanisms symmetrically arranged. The traction type anti-hijack device for the car is characterized in that the position of a motor in the existing transmission mechanism fixed to a movable bottom plate is reset, a driven wheel in an original traction assembly is eliminated, a slider with a connecting lug parallel with the axis of a center hole is assembled in a sleeve, and the upper end face and the lower end face of the connecting lug of the slider axially moving along a guiding slide groove of the sleeve are made not to go beyond the upper end face and the lower end face of the guiding slide groove of the sleeve. Because the traction type anti-hijack device for the car is more compact and reasonable in structural design, not only does the traction type anti-hijack device for the car have the advantages of the existing transmission mechanism of being light, convenient, flexible and stable to lift, but also the number of parts is reduced, raw materials are saved, space occupied by the bottom of the seat is obviously reduced, reset operation is fast and convenient to operate, and using safety and using reliability are further improved.
Description
Technical field
The utility model relates to a kind of sedan-chair vehicle safety protection device, and particularly a kind of being exclusively used in prevents that taximan from suffering the towed antihijacking device of car that occupant attacks.
Background technology
The existing sedan-chair vehicle safety antihijacking device that attacked by occupant for protecting taximan, generally adopts in car the members such as isolation guard rail is installed, and the method that chaufeur is separated with occupant, protects chaufeur.Also the employing acoustic-optic alarm emergency having.It is " the towed antihijacking device of car " that " car antihijacking device ", the application publication number of CN102862542A is CN103129503A that the applicant designed application publication number once.Wherein because of the assembly of drive gear complicated structure of " car antihijacking device ", driving efficiency is lower, particularly in the time that it recovers virgin state, it is not too convenient to operate, so in " the towed antihijacking device of car ", assembly of drive gear is improved, in assembly of drive gear, adopt the traction component of sleeve pipe, slide block, transmission rope and driven wheel composition, substituted the drive screw with driving nut and transmission gear driving with the reductor of output gear.But because the upper and lower main support rod of its assembly of drive gear adopts the middle single-drive mechanism arranging, therefore must rely on secondary strut bar could fix the upper beam assembly of lifting.In addition, if attack personnel, in the time of main support rod lifting, are positioned at one end of upper beam assembly in car, will produce so unbalance loading, will cause upper beam assembly unbalance, cause lifting shakiness.Unbalance also can be malfunctioning to attacking personnel's restriction in car when serious, cannot effectively protect chaufeur, can cause potential safety hazard.For this reason, the applicant has carried out Improvement and perfection to this device again, and designing application publication number is CN103303243A " the towed antihijacking device of car ".It has retained the form of the basic transmission device in former assembly of drive gear, by the single-drive mechanism of centralized driving, change the transmission device of the Dual Drive being arranged symmetrically with into, cancelled the slideway with support molar of secondary strut bar former and that entablatrance is hinged and corresponding cross sill.Because drive respectively driving wheel rotation Traction Drive rope band movable slider separately to move along sleeve pipe guide chute by two low-power machines, make to be symmetrically distributed in the upper and lower strut bar synchronous extension of upper and lower beam assembly, therefore its member stress distributes rationally, easily reach lifting light, flexible, steady, use more safe and reliablely, further improve the object of anti-abduction performance.But in actual survey, find, the transmission device of this Dual Drive being arranged symmetrically with, the structure design of sleeve pipe, slide block, transmission rope and the driven wheel of composition traction component is still undesirable.The subject matter wherein existing is: the sleeve pipe, the slide block that are assembled in the traction component between upper and lower beam assembly and transmission device motor, hinged by exposing upper and lower engaging lug and the upper and lower strut bar end of guide chute of sleeve pipe, motor drives driving wheel to rotate Traction Drive rope band movable slider and moves to the direction away from motor along sleeve pipe guide chute, the upper and lower engaging lug that slide block exposes sleeve pipe has strengthened sleeve pipe while installing on removable bottom, to the requirement for height of finite space below seat; Be fixed on the transmission rope in the centre hole of slide block, after being fixed on the flower wheel guiding of sleeve pipe one end, from slide block, engaging lug returns on the driving wheel that is wrapped in the sleeve pipe other end, the setting of flower wheel not only makes the finite space below seat extend along removable bottom length direction, and the consumption of transmission rope, the consumption that has increased raw material are increased.Owing to being fixed on the finite space below seat on chassis, generally all be low early and high after setting, be subject to slide block to expose the high restriction of upper and lower engaging lug and motor-driven center of sleeve pipe, the space that the whole height direction of transmission device takies is larger, so motor can only be placed in under-seat higher spatial below, the motor on removable bottom can only be placed on under-seat after.Therefore, for the less vehicle in the space below seat, existing apparatus is put to be entered, and affects it and applies.Particularly, in the time that the complete slide block of protection resets, operate very inconvenient.
Utility model content
The purpose of this utility model is to provide the towed antihijacking device of a kind of car, the integral structure that is subject to that has solved existing transmission device existence takies the impact that finite space is larger, motor can only be placed on under-seat after, the problems such as reset operation inconvenience, its structure design is more becoming tight and gathers, rationally, except still having, lifting is light, flexible, pulsation-free advantage, also reduce part, save raw material, obviously dwindle taking up room of seat bottom, reset operation is quick and easy, further improves the safe reliability using.
The technical scheme that the utility model adopts is: this car comprises and is assembled in the upper of the interior seat bottom of car with towed antihijacking device, underbeam assembly, the assembly of drive gear that adopts two groups of transmission devices to be arranged symmetrically with, the entablatrance of upper beam assembly is fixed on the seat cushion bottom of seat, entablatrance below arranges the locating dowel pin that recovers initial position, the cross sill of underbeam assembly is fixed on chassis, each group transmission device comprises and utilizes pitman to be hinged on the removable bottom on cross sill, be fixed on the motor on removable bottom, pawl base, ratchet and the traction component of Moveable assembled in pawl base, its technical essential is: described traction component is by sleeve pipe, slide block, transmission rope and driving wheel composition, sleeve pipe utilizes casing rack to be fixed on one end of removable bottom, be assembled in, motor between underbeam assembly and the sleeve pipe of traction component is fixed on the other end of removable bottom, with being assembled in sleeve with the slide block of the engaging lug of centre hole axis line parallel, and make, along the upper and lower end face of the axially movable slide block engaging lug of sleeve pipe guide chute, to be no more than the upper and lower end face of sleeve pipe guide chute, the axle drive shaft of motor is by splined driving wheel, and transmission rope one end is wrapped on driving wheel, and the other end is fixed in the centre hole of slide block, together with slide block engaging lug is hinged with upper and lower crossbeam by upper and lower strut bar, motor drives driving wheel to rotate direct Traction Drive rope band movable slider and engaging lug moves along sleeve pipe guide chute, make symmetry be hinged on two strut bar synchronous extension of upper and lower crossbeam, drive upper beam assembly balance lifting, make the backrest of seat cushion and seat form slanted angle.
Described sleeve pipe adopts the core structure with guide chute of an end opening, and utilizes two casing racks to be clamped to respectively one end of removable bottom.
The ratchet in pawl base is meshed with Moveable assembled to be arranged on ratchet on described driving wheel outer rim.
Advantage and the good effect that the utlity model has are: because the utility model is improved on the basis of the applicant's's " towed antihijacking device of car " (application publication number is CN103303243A) basic structure, still adopt former the upper of the interior seat bottom of car that be assembled in, the basic structure form of the assembly of drive gear that underbeam assembly and two groups of transmission devices are arranged symmetrically with, but the motor having reset in former each group of transmission device is fixed on the position on removable bottom, cancel the flower wheel in former traction component, change sleeve pipe, the planform of slide block, thereby make its structure design more be becoming tight and gather, rationally, light except still thering is lifting, flexibly, outside pulsation-free advantage, also obtain unexpected good effect.This chief reason is: one, and owing to having reduced the part such as flower wheel and fixed mount thereof, transmission rope one end is wrapped on driving wheel, and the other end is directly fixed in the centre hole of slide block, so both shortened along the size of removable bottom length direction, also reduce the consumption of transmission rope simultaneously, save raw material, they are two years old, because having redesigned the sleeve pipe of traction component, the planform of slide block and installation site, utilize casing rack to be fixed on one end of removable bottom sleeve pipe, motor is re-assemblied upper, between underbeam assembly and the sleeve pipe of traction component, be fixed on the other end of removable bottom, having cancelled former slide block is assembled in and exposes the upper of sleeve pipe guide chute in sleeve, lower engaging lug, be designed to the engaging lug with slide block centre hole axis line parallel, and make upper along the axially movable slide block engaging lug of sleeve pipe guide chute, lower surface, be no more than the upper of sleeve pipe guide chute, lower surface, therefore can obviously dwindle the finite space that the whole height direction of the transmission device below seat takies, can make the installation site of motor on former removable bottom adjust turnback, be placed on like a cork before under-seat compared with in low spatial, while carrying out reset operation, more quick, convenient, thereby further improve the safe reliability using.
Motor drives driving wheel to rotate direct Traction Drive rope band movable slider and engaging lug moves along sleeve pipe guide chute, symmetry is hinged on two strut bar synchronous extension of upper and lower crossbeam, drive upper beam assembly balance lifting, make the backrest of seat cushion and seat form slanted angle, can make to ride in the backrest of seat and be seesaw type attack personnel in the car between the slanted angle of the seat cushion of lifting obliquely upward, stably sink into wherein rapidly, effectively protect chaufeur and attacked by occupant.
Therefore, the integral structure that is subject to that the utility model has solved existing transmission device existence takies the impact that finite space is larger, and motor can only be placed on after under-seat, installs and use the problems such as rear reset operation inconvenience.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the cutaway view of Fig. 2 along A-A;
Fig. 4 is a kind of structural representation of entablatrance assembly in Fig. 1;
Fig. 5 is a kind of structural representation of cross sill assembly in Fig. 1;
Fig. 6 is the structure for amplifying schematic diagram of a kind of assembly of drive gear in Fig. 2;
Fig. 7 is the lateral plan of Fig. 6;
Fig. 8 is a kind of structural representation of driving wheel in Fig. 6;
Fig. 9 is the cutaway view of Fig. 8 along B-B;
Figure 10 is a kind of structural representation of slide block in Fig. 6;
Figure 11 is the cutaway view of Figure 10 along C-C line;
Figure 12 is a kind of structural representation of Fig. 6 middle sleeve;
Figure 13 is the lateral plan of Figure 12.
Sequence number explanation in figure: 1 upper beam assembly, 2 underbeam assemblies, 3 assembly of drive gear, 4 locating dowel pins, 5 driving wheels, 6 motors, 7 pitmans, 8 pawl bases, 9 ratchets, 10 strut bars, 11 transmission ropes, 12 slide blocks, 13 removable bottoms, 14 sleeve pipes, 15 entablatrances, 16 main support rod permanent seats, 17 cross sills, 18 pitman permanent seats.
Detailed description of the invention
Describe concrete structure of the present utility model in detail according to Fig. 1～13.This car is improved on the basis of the applicant's's " towed antihijacking device of car " (application publication number is CN103303243A) basic structure with towed antihijacking device.It comprises the upper and lower beam assembly 1,2 that is assembled in seat bottom in car, assembly of drive gear 3 parts such as grade that adopt two groups of transmission devices to be arranged symmetrically with.Wherein upper beam assembly 1 comprise entablatrance 15 and be arranged on entablatrance 15 can hinged upper and lower strut bar 10 permanent seat 16 parts such as grade.Entablatrance 15 is fixed on the bottom of the seat cushion of seat, and entablatrance 15 belows are provided with the locating dowel pin 4 that can recover initial position, so that entablatrance 15 can successfully turn back to the position before moving after lifting.Underbeam assembly 2 comprises cross sill 17, be arranged on cross sill 17 can the permanent seat 16 of hinged upper and lower strut bar 10 and the part such as the permanent seat 18 of articulated lifting arm bar 7.The cross sill 17 of underbeam assembly 2 is fixed in chassis (not shown).
The above-mentioned transmission device being arranged symmetrically with, comprises in the present embodiment and utilizes pitman 7 to be hinged on the removable bottom 13 on cross sill 17, is fixed on the motor 6 on removable bottom 13, pawl base 8, the part such as ratchet 9 and traction component of Moveable assembled in pawl base 8.Traction component is made up of parts such as sleeve pipe 14, slide block 12, transmission rope 11 and driving wheels 5.The inverse-stopping type ratchet 9 in pawl base 8 is meshed with Moveable assembled to be wherein arranged on ratchet on driving wheel 5 outer rims.Be with movable slider 12 to move along sleeve pipe 14 guide chutes when driving wheel 5 rotates direct Traction Drive rope 11, while making upper and lower strut bar 10 extend to end position power-off, stop and reverse because human body weight causes driving wheel 5.
Sleeve pipe 14(is as shown in Figure 12-13) adopt the core structure with guide chute of an end opening, and utilize two casing racks to be clamped to respectively one end of removable bottom 13.Fixedly be assembled with the motor 6 rearranging between upper and lower beam assembly 1,2 and the sleeve pipe 14 of traction component at the relative other end of removable bottom, that is to say that making application publication number is the motor 6 on " the towed antihijacking device of car " of CN103303243A, 180 degree have been turned in the installation site on former removable bottom.Be assembled in the engaging lug of the slide block 12 in sleeve 14, cancel the upper and lower engaging lug that exposes sleeve pipe guide chute of former slide block 12, redesign into with the engaging lug of slide block 12 centre hole axis line parallels, and make, along the upper and lower end face of axially movable slide block 12 engaging lugs of sleeve pipe 14 guide chute, to be no more than the upper and lower end face of sleeve pipe 14 guide chutes.Therefore obviously dwindle the finite space that the whole height direction of the transmission device below seat takies, can make the installation site of motor 6 on former removable bottom adjust turnback to become possibility, and can be placed on like a cork before under-seat compared with in low spatial, when protection complete while carrying out reset operation, more quick and easy.
The axle drive shaft of motor 6, by splined driving wheel 5, supports fixing in the end of motor 6 axle drive shafts by active wheel carrier.Transmission rope 11 one end are wrapped on driving wheel 5, and the other end is directly fixed in the centre hole of slide block 12.Together with slide block 12 engaging lugs are hinged with upper and lower crossbeam 15,17 by upper and lower strut bar 10.Motor 6 drives driving wheel 5 to rotate direct Traction Drive rope 11 and moves along the guide chute of sleeve pipe 14 with movable slider 12 and engaging lug, make symmetry be hinged on two strut bar 10 synchronous extension of upper and lower crossbeam 15,17, line of centers to two bars is located along the same line, and two main support rods extend to end position.Drive upper beam assembly 1 balance lifting, make seat cushion give rise to the highest position, and and the backrest of seat between form the slanted angle of similar " V " shape, make ruffian be held uniform.
While protecting complete reset, the ratchet 9 Moveable assembled in pawl base 8 departs from the ratchet of driving wheel 5, and slide block 12 is moved to initial position along the guide chute of sleeve pipe 14, makes upper and lower beam assembly 1,2 restore at this simultaneously.
Claims (3)
1. the towed antihijacking device of car, comprise and be assembled in the upper of the interior seat bottom of car, underbeam assembly, the assembly of drive gear that adopts two groups of transmission devices to be arranged symmetrically with, the entablatrance of upper beam assembly is fixed on the seat cushion bottom of seat, entablatrance below arranges the locating dowel pin that recovers initial position, the cross sill of underbeam assembly is fixed on chassis, each group transmission device comprises and utilizes pitman to be hinged on the removable bottom on cross sill, be fixed on the motor on removable bottom, pawl base, ratchet and the traction component of Moveable assembled in pawl base, it is characterized in that: described traction component is by sleeve pipe, slide block, transmission rope and driving wheel composition, sleeve pipe utilizes casing rack to be fixed on one end of removable bottom, be assembled in, motor between underbeam assembly and the sleeve pipe of traction component is fixed on the other end of removable bottom, with being assembled in sleeve with the slide block of the engaging lug of centre hole axis line parallel, and make, along the upper and lower end face of the axially movable slide block engaging lug of sleeve pipe guide chute, to be no more than the upper and lower end face of sleeve pipe guide chute, the axle drive shaft of motor is by splined driving wheel, and transmission rope one end is wrapped on driving wheel, and the other end is fixed in the centre hole of slide block, together with slide block engaging lug is hinged with upper and lower crossbeam by upper and lower strut bar, motor drives driving wheel to rotate direct Traction Drive rope band movable slider and engaging lug moves along sleeve pipe guide chute, make symmetry be hinged on two strut bar synchronous extension of upper and lower crossbeam, drive upper beam assembly balance lifting, make the backrest of seat cushion and seat form slanted angle.
2. the towed antihijacking device of car according to claim 1, is characterized in that: described sleeve pipe adopts the core structure with guide chute of an end opening, and utilizes two casing racks to be clamped to respectively one end of removable bottom.
3. the towed antihijacking device of car according to claim 1, is characterized in that: the ratchet in pawl base is meshed with Moveable assembled to be arranged on ratchet on described driving wheel outer rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297473.8U CN203876702U (en) | 2014-06-06 | 2014-06-06 | Traction type anti-hijack device for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297473.8U CN203876702U (en) | 2014-06-06 | 2014-06-06 | Traction type anti-hijack device for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876702U true CN203876702U (en) | 2014-10-15 |
Family
ID=51677233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297473.8U Expired - Fee Related CN203876702U (en) | 2014-06-06 | 2014-06-06 | Traction type anti-hijack device for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991423A (en) * | 2014-06-06 | 2014-08-20 | 李尚贤 | Traction type anti-hijack device for saloon car |
-
2014
- 2014-06-06 CN CN201420297473.8U patent/CN203876702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991423A (en) * | 2014-06-06 | 2014-08-20 | 李尚贤 | Traction type anti-hijack device for saloon car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |