CN202896700U - Box door locking mechanism of side-opening type vehicle box - Google Patents
Box door locking mechanism of side-opening type vehicle box Download PDFInfo
- Publication number
- CN202896700U CN202896700U CN 201220566945 CN201220566945U CN202896700U CN 202896700 U CN202896700 U CN 202896700U CN 201220566945 CN201220566945 CN 201220566945 CN 201220566945 U CN201220566945 U CN 201220566945U CN 202896700 U CN202896700 U CN 202896700U
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- hook
- lock hook
- compartment
- seat
- extension spring
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Abstract
The utility model provides a box door locking mechanism of a side-opening type vehicle box, and belongs to the field of goods stocks. The box door locking mechanism of the side-opening type vehicle box comprises a box body, a box door body is arranged on the side face of the box body, a pull hook is fixed at each of two ends of the lower edge of the box door body, and each pull hook is composed of a first hook arm, a second hook arm and a lock hook shaft. The box door locking mechanism comprises a lock hook, a tension spring adjusting seat, a pull rod, a direction-changing device and a hydraulic device, wherein the tension spring adjusting seat is arranged in the middle of the pull rod, one end, facing towards the pull hooks, of the pull rod is connected with the middle of the lock hook, one end of the lock hook is a lock hook head which is matched with the lock hook shafts, and one end, facing towards the direction-changing device, of the pull rod is connected with the direction-changing device which is connected to a bottom beam of the vehicle box and connected with the hydraulic device. The box door locking mechanism of the side-opening type vehicle box is characterized in that the box door locking mechanism further comprises a lock hook seat which corresponds to the lock hooks in position and fixed with the bottom beam of the vehicle box, the lock hook seat is provided with a lock hook seat cavity, the lock hook is located in the lock hook seat cavity, and the other end of the lock hook is connected with the lock hook seat. The box door locking mechanism of the side-opening type vehicle box has the advantages that the box door body can be locked reliably, and goods are prevented from going out.
Description
Technical field
The utility model belongs to the load carrying vehicle technical field, is specifically related to a kind of railway carriage or compartment door locking mechanism of laterally opened compartment, is used for the lower edge of compartment side door is locked with the compartment bottom girder
Background technology
Chinese utility model patent Granted publication CN2747335Y has recommended " a kind of side open-door lock mechanism ", and this patent is proposed by the applicant's front title (Changshu Special Vehicle Manufacturing Factory).This patent scheme to the locking of side door be by the latch hook that is installed in the blocking device on the bottom girder be installed in side door at the bottom of realize along cooperating of upper drag hook, specifically can walk to referring to the Instructions Page 2 the 11st of this patent the 3rd page the 2nd section.Should say, this patent scheme objectively can embody the technique effect of its Instructions Page 2 the 4th to 5 row, but there is following shortcoming: because the upper end of latch hook is pivotally connected to bottom girder by bearing pin, the connector of the middle part pull bar adjustment seat of latch hook is hinged, and the lower end of latch hook constitute for side door on the latch hook head that hooks together of drag hook, therefore under the work of the hydraulic efficiency gear (hydraulic efficiency gear is installed in bottom girder) that is used for ordering about blocking device the drive pull bar and and then during by pull bar band moveable lock hook, the action stability of latch hook is difficult to ensure, particularly, rolling pendulum situation can appear in latch hook, place in the latch hook chamber of drag hook on edge under the side door thereby cause latch hook head on the latch hook to be difficult to hook exactly, cause locking unsuccessfully.Especially, the locking of latch hook and drag hook realizes automatically locking or release by hydraulic gear, again because the latched position of latch hook and drag hook is in the intersection on edge at the bottom of bottom girder and the side door, therefore in case do not give locking, when Vehicle Driving Cycle, can cause so side door automatically to be opened, make the goods chamber, railway carriage or compartment, compartment of scurrying out, or produce and lose, or occur damaging.
In view of above-mentioned shortcoming, the applicant has done positive and useful exploration, has finally formed the technical scheme that can avoid the problems referred to above
Summary of the invention
Task of the present utility model is to provide a kind of and can fully ensures latch hook and drag hook positive lock and use and avoid railway carriage or compartment door unnormal unlocking to cause goods to be lost or the railway carriage or compartment door locking mechanism in the laterally opened compartment that damages.
Task of the present utility model is finished like this, a kind of railway carriage or compartment door locking mechanism of laterally opened compartment, described laterally opened compartment comprises the envelope that is arranged on the compartment bottom girder, the side of the length direction of this envelope has railway carriage or compartment every body of opening or closing, the lower drag hook that respectively is fixed with along two ends at the length direction of railway carriage or compartment every body, this drag hook is by first, the second drag hook arm and lock hook shaft consist of, first, the second drag hook arm is parallel, and the described lower edge of an end separately and described railway carriage or compartment every body is fixed, and the other end separately is towards the direction stretching, extension of described compartment bottom girder, one end of lock hook shaft and the first drag hook arm are fixed towards the described other end of described compartment bottom girder, and the other end of lock hook shaft and the second drag hook arm are fixed towards the described other end of compartment bottom girder, wherein: first, space between the second drag hook arm constitutes the latch hook chamber, described railway carriage or compartment door locking mechanism comprises a latch hook, one extension spring adjustment seat, one pull bar, one changed course device and one is used for ordering about the hydraulic efficiency gear of pull bar motion, the extension spring adjustment seat is arranged on the middle part of pull bar, pull bar is towards an end of described drag hook and the middle part pivotal joint of latch hook, and an end of latch hook formation has a latch hook head, this latch hook head matches with described lock hook shaft, pull bar is connected with change course device towards an end of change course device, change course device pivots and is connected on the described compartment bottom girder, and be connected with hydraulic efficiency gear, hydraulic efficiency gear is arranged on the compartment bottom girder equally, be characterised in that: described railway carriage or compartment door locking mechanism also includes a lock hook seat, this lock hook seat is fixed at position and described compartment bottom girder corresponding to described latch hook, and this lock hook seat consists of a lock hook seat chamber, described latch hook is corresponding in this lock hook seat chamber, and the other end of this latch hook is connected with the lock hook seat pivot.
In a specific embodiment of the present utility model, described lock hook seat consists of towards a side of described drag hook and in the position corresponding to described lock hook shaft has one to be used for the drag hook slot to make way that the described other end for described first, second drag hook arm probes into together with described lock hook shaft, and lock hook seat consists of towards a side of described extension spring adjustment seat and has one to be used for probeing into the chamber of stepping down for the pull bar that described pull bar is insinuated in the described lock hook seat chamber.
In another specific embodiment of the present utility model, described pull bar is stretched in the described lock hook seat chamber towards an end of described latch hook, and consists of a pitman coupling is arranged, and the described middle part of described latch hook is by connecting lock shaft and pitman coupling pivotal joint.
In another specific embodiment of the present utility model, the described other end of described latch hook pivots with described lock hook seat by the pivot bearing pin and is connected.
In another specific embodiment of the present utility model, described extension spring adjustment seat consists of a cavity volume, described pull bar passes cavity volume, and be fixed with a spring perch and be arranged with a spring at pull bar, this spring perch and spring all are positioned at cavity volume, one end bearing of spring is on spring perch, and the other end is bearing on the chamber wall corresponding with spring of cavity volume, the body of rod outside pull bar is stretched over described cavity volume is provided with pull rod screw, be equipped with one in this pull rod screw and limit nut, wherein: on the outer wall of extension spring adjustment seat, also be fixed with an end of an extension spring, and the other end of extension spring and described lock hook seat are fixed.
Also have in the specific embodiment of the present utility model, outer wall in described extension spring adjustment seat is extended with fixedly ear of one first extension spring, and be fixed with fixedly ear of one second extension spring at described lock hook seat, a described end of described extension spring is fixed on the first extension spring fixedly on the ear, and the described other end of extension spring is fixed on the second extension spring fixedly on the ear.
The technical scheme that the utility model provides is owing to be fixed with a lock hook seat setting up take the compartment bottom girder as carrier corresponding to the position of latch hook, and the described other end of latch hook is connected with the lock hook seat pivot in the lock hook seat chamber, therefore carry out spacing by lock hook seat to latch hook, avoid latch hook the rolling pendulum to occur, the latch hook head of guaranteeing latch hook fastens to lock hook shaft in the drag hook slot to make way in corresponding to the latch hook chamber, avoided locking in the prior art anxiety unsuccessfully, ensured railway carriage or compartment every body positive lock and stop goods and scurry out.
Description of drawings
Fig. 1 is scheme drawing of the present utility model.
Fig. 2 is the detailed structure view of railway carriage or compartment door locking mechanism shown in Figure 1.
The specific embodiment
See also Fig. 1 and Fig. 2, in Fig. 1, illustrated the compartment bottom girder 1 in laterally opened compartment to that is to say that the envelope 2 in laterally opened compartment is found a place for and is fixed on the compartment bottom girder 1.The side of the length direction of aforesaid envelope 2 (both can be a side, also can be both sides) have the railway carriage or compartment every body 21 that can open or close, the length direction of railway carriage or compartment every body 21 lower not only can use along two ends fastener as shown in Figure 1 screw but also can respectively be fixed with a drag hook 3 by welding or other similar fashion.This statement according to the applicant, railway carriage or compartment every body 21 shows as wing open type as can be known, so-called wing open type refers to that when opening railway carriage or compartment every body 21 is turned to the top in chamber, railway carriage or compartment just as the effect as the wing, and this structure helps to increase the open area to the chamber, railway carriage or compartment of envelope 2, conveniently assemble and disassemble goods.
Please see Fig. 2 by emphasis, aforesaid drag hook 3 is by first, the second drag hook arm 31,32 and lock hook shaft 33 consist of, first, the second drag hook arm 31,32 is parallel, and an end is separately fixed (present embodiment use screw) by the lower edge of the superincumbent description of applicant and railway carriage or compartment every body 21, and first, the second latch hook arm 31, each direction towards the bottom of compartment bottom girder 1 of 32 the other end stretches, one end of lock hook shaft 33 and the first drag hook arm 31 are fixed towards the described other end of compartment bottom girder 1, and the other end of lock hook shaft 33 and the second latch hook arm 32 are fixed towards the aforementioned other end of compartment bottom girder 1 equally.By shown in Figure 2, the space that keeps between first, second latch hook arm 31,32 constitutes latch hook chamber 34.
The parts that belong to the structural system of railway carriage or compartment door locking mechanism comprise latch hook 4, extension spring adjustment seat 5, pull bar 6, change course device 7 and hydraulic efficiency gear 8, extension spring adjustment seat 5 is arranged on the middle part of pull bar 6, this extension spring adjustment seat 5 consists of cavity volume 51, pull bar 6 is connected with change course device 7 after passing cavity volume 51, the body of rod at the pull bar 6 that is positioned at cavity volume 51 is fixed with a spring perch 62 and is arranged with a spring 63, one end bearing of spring 63 is on spring perch 62, and the other end is bearing in cavity volume 51 on the cavity volume inwall of spring 63, the body of rod outside pull bar 6 is stretched over cavity volume 51 is processed with pull rod screw 64, has screwed one in this pull rod screw 64 and has limited nut 641.In order to ensure the levelness of extension spring permanent seat 5, namely ensure the levelness of tediously long pull bar 6 in addition, be fixed with an end of an extension spring 52 at the outer wall of extension spring permanent seat 5, and the other end of extension spring 52 is fixed on the lock hook seat 9.As preferred scheme, with an end of extension spring 52 be arranged on the extension spring permanent seat 5 the first extension spring fixedly ear 521 fix, and with the other end of extension spring 52 and aforesaidly be fixed on the second extension spring on the lock hook seat 9 fixedly ear 94 is fixing, certainly, the second extension spring fixedly ear 94 also can be fixed on the compartment bottom girder 1.Pull bar 6 has a pitman coupling 61 towards the end formation of drag hook 3, the middle part of latch hook 4 is connected with this pitman coupling 61 by connecting lock shaft 42, and an end of latch hook 4 formation has a latch hook head 41, when in this latch hook head 41 probes into aforesaid latch hook chamber 34 and with lock hook shaft 33, fastening, then railway carriage or compartment every body 21 of envelope 2 locked, otherwise with example, that is, otherwise then unlock.The end of pull bar 6 after passing aforementioned cavity volume 51 is connected with change course device 7, and change course device 7 pivots and is connected on the compartment bottom girder 1, and is connected with hydraulic efficiency gear 8, and hydraulic efficiency gear 8 is arranged on the compartment bottom girder 1 equally.Because fully open in the specification sheets of change course device 7 and the concrete structure of hydraulic efficiency gear 8 and the CN2747335Y that principle of work is mentioned in the application's background technology hurdle and the accompanying drawing thereof, thereby belong to prior art, the applicant is no longer given unnecessary details accordingly, and the function of extension spring adjustment seat 5 has been made detailed description equally in this CN2747335Y.
The technical essential of the technical scheme that provides as the utility model: increased by a lock hook seat 9 in the structural system of the railway carriage or compartment door locking mechanism of describing in the above, this lock hook seat 9 is fixing at position and aforesaid compartment bottom girder 1 corresponding to aforementioned latch hook 4, and lock hook seat 9 has a lock hook seat chamber 91, aforesaid latch hook 4 is corresponding in this lock hook seat chamber 91, by shown in Figure 2, the aforementioned other end of latch hook 4 pivots with lock hook seat 9 by pivot bearing pin 43 and is connected.
Continue to see Fig. 2, lock hook seat 9 consists of towards a side of aforementioned drag hook 3 and in the position corresponding to drag hook axle 33 has one to be used for for first, second drag hook arm 31,32 the aforementioned other end and the drag hook slot to make way 92 that probes into together with lock hook shaft 33.When 3 locking of 4 pairs of drag hooks of latch hook, because first, second drag hook arm 31,32 the other end enter drag hook slot to make way 92 together with lock hook shaft 33, therefore drag hook slot to make way 92 has the righting restriction effect to drag hook 3, the aforementioned other end owing to latch hook 4 is connected with lock hook seat 9 pivots in lock hook seat chamber 91 again, therefore can not occur rocking the beat phenomenon, guarantee that latch hook head 41 and lock hook shaft 33 effectively fasten.To be lock hook seat 9 back to a side of drag hook 3 consist of is useful on the pull bar that probes in the lock hook seat chamber 91 for pull bar 6 and probes into the chamber 93 of stepping down towards a side of extension spring adjustment seat 5 at aforementioned lock hook seat 9.Shown in figure, aforesaid pitman coupling 61 is positioned at lock hook seat chamber 91, and is spacing to it by the corresponding cavity wall in the lock hook seat chamber 91 of lock hook seat 9.
The applicant sketches use of the present utility model, in the time railway carriage or compartment every body 21 will being locked, at first railway carriage or compartment every body 21 is in state shown in Figure 1, namely be in closed condition, the drag hook 3 of this moment that is to say that just in time corresponding to latch hook 4 the latch hook head 41 of latch hook 4 is corresponding to latch hook chamber 34.Under the work of hydraulic efficiency gear 8, drive change course device 7, drive pull bar 6 by change course device 7, make pull bar 6 towards the direction displacement that deviates from drag hook 3, i.e. right displacement under the shown position state, by the lower end of pitman coupling 61 with moveable lock hook 4, and the upper end of latch hook 4 rotates and enters in the latch hook chamber 34 and along with the then displacement to the right of pull bar 6, make the latch hook head 41 of latch hook 4 fasten reliably (hook) on lock hook shaft 33, with railway carriage or compartment every body 21 positive locks.Because it is opposite with the aforementioned activities process to open the process of railway carriage or compartment every body 21, so repeat no more
Claims (6)
1.
A kind of railway carriage or compartment door locking mechanism of laterally opened compartment, described laterally opened compartment comprises the envelope (2) that is arranged on the compartment bottom girder (1), the side of the length direction of this envelope (2) has railway carriage or compartment every body (21) of opening or closing, the lower drag hook (3) that respectively is fixed with along two ends at the length direction of railway carriage or compartment every body (21), this drag hook (3) is by first, the second drag hook arm (31,32) and lock hook shaft (33) consist of, first, the second drag hook arm (31,32) parallel, and the described lower edge of an end separately and described railway carriage or compartment every body (21) is fixed, and the other end separately is towards the direction stretching, extension of described compartment bottom girder (1), one end of lock hook shaft (33) and the first drag hook arm (31) are fixed towards the described other end of described compartment bottom girder (1), and the other end of lock hook shaft (33) and the second drag hook arm (32) are fixed towards the described other end of compartment bottom girder (1), wherein: first, the second drag hook arm (31,32) space between constitutes latch hook chamber (34), described railway carriage or compartment door locking mechanism comprises a latch hook (4), one extension spring adjustment seat (5), one pull bar (6), one changed course device (7) and one is used for ordering about the hydraulic efficiency gear (8) of pull bar (6) motion, extension spring adjustment seat (5) is arranged on the middle part of pull bar (6), pull bar (6) is towards an end of described drag hook (3) and the middle part pivotal joint of latch hook (4), and an end of latch hook (4) formation has a latch hook head (41), this latch hook head (41) matches with described lock hook shaft (33), pull bar (6) is connected with change course device (7) towards an end of change course device (7), change course device (7) pivots and is connected on the described compartment bottom girder (1), and be connected with hydraulic efficiency gear (8), hydraulic efficiency gear (8) is arranged on the compartment bottom girder (1) equally, it is characterized in that: described railway carriage or compartment door locking mechanism also includes a lock hook seat (9), this lock hook seat (9) is fixing at position and described compartment bottom girder (1) corresponding to described latch hook (4), and this lock hook seat (9) consists of a lock hook seat chamber (91), described latch hook (4) is corresponding in this lock hook seat chamber (91), and the other end of this latch hook (4) is connected with lock hook seat (9) pivot.
2.
The railway carriage or compartment door locking mechanism in laterally opened compartment according to claim 1, it is characterized in that described lock hook seat (9) has one to be used for for described first towards a side of described drag hook (3) and in the position formation corresponding to described lock hook shaft (33), the second drag hook arm (31,32) the drag hook slot to make way (92) that the described other end probes into together with described lock hook shaft (33), and lock hook seat (9) has one to be used for probeing into the chamber of stepping down (93) for the pull bar that described pull bar (6) is insinuated in the described lock hook seat chamber (91) towards the side formation of described extension spring adjustment seat (5).
3.
The railway carriage or compartment door locking mechanism in laterally opened compartment according to claim 1, it is characterized in that described pull bar (6) is stretched in the described lock hook seat chamber (91) towards an end of described latch hook (4), and consisting of has a pitman coupling (61), and the described middle part of described latch hook (4) is by connecting lock shaft (42) and pitman coupling (61) pivotal joint.
4.
The railway carriage or compartment door locking mechanism in laterally opened compartment according to claim 1 is characterized in that the described other end of described latch hook (4) is connected with described lock hook seat (9) pivot by pivot bearing pin (43).
5.
The railway carriage or compartment door locking mechanism in laterally opened compartment according to claim 1, it is characterized in that described extension spring adjustment seat (5) formation has a cavity volume (51), described pull bar (6) passes cavity volume (51), and be fixed with a spring perch (62) and be arranged with a spring (63) at pull bar (6), this spring perch (62) and spring (63) all are positioned at cavity volume (51), one end bearing of spring (63) is on spring perch (62), and the other end is bearing on the chamber wall corresponding with spring (63) of cavity volume (51), the body of rod outside pull bar (6) is stretched over described cavity volume (51) is provided with pull rod screw (64), be equipped with one in this pull rod screw (64) and limit nut (641), wherein: on the outer wall of extension spring adjustment seat (5), also be fixed with an end of an extension spring (52), and the other end of extension spring (52) and described lock hook seat (9) are fixing.
6.
The railway carriage or compartment door locking mechanism in laterally opened compartment according to claim 5, it is characterized in that being extended with fixedly ear (521) of one first extension spring at the outer wall of described extension spring adjustment seat (5), and be fixed with fixedly ear (94) of one second extension spring at described lock hook seat (9), a described end of described extension spring (52) is fixed on the first extension spring fixedly on the ear (521), and the described other end of extension spring (52) is fixed on the second extension spring fixedly on the ear (94)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566945 CN202896700U (en) | 2012-10-31 | 2012-10-31 | Box door locking mechanism of side-opening type vehicle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566945 CN202896700U (en) | 2012-10-31 | 2012-10-31 | Box door locking mechanism of side-opening type vehicle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896700U true CN202896700U (en) | 2013-04-24 |
Family
ID=48117401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220566945 Withdrawn - After Issue CN202896700U (en) | 2012-10-31 | 2012-10-31 | Box door locking mechanism of side-opening type vehicle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202896700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910213A (en) * | 2012-10-31 | 2013-02-06 | 常熟华东汽车有限公司 | Compartment door locking mechanism of side-door compartment |
-
2012
- 2012-10-31 CN CN 201220566945 patent/CN202896700U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910213A (en) * | 2012-10-31 | 2013-02-06 | 常熟华东汽车有限公司 | Compartment door locking mechanism of side-door compartment |
| CN102910213B (en) * | 2012-10-31 | 2014-12-24 | 常熟华东汽车有限公司 | Compartment door locking mechanism of side-door compartment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |