CN2606693Y

CN2606693Y - Side pull-push door box type semi trailer

Info

Publication number: CN2606693Y
Application number: CN 03224165
Authority: CN
Inventors: 谢良富; 宋作伟
Original assignee: China International Marine Containers Group Co Ltd
Current assignee: China International Marine Containers Group Co Ltd
Priority date: 2003-03-05
Filing date: 2003-03-05
Publication date: 2004-03-17
Anticipated expiration: 2013-03-05

Abstract

The utility model discloses a side pull-push door box type semi trailer, which comprises a front corner post, a rear corner post, a top side girder, a sole side girder, a guiding orbit arranged on the top side girder and the sole side girder, a plurality of inner and outer sliding doors arranged along the guiding orbit and a connection rod mechanism arranged on upper and lower end border of the outer sliding door. An upper and lower sliding paths are arranged on the guiding orbit for sliding of the inner and outer sliding door. A lift lock device is arranged on lower portion of the inner and outer sliding doors. A concave slot is arranged on side of the inner sliding door with an outward opening. A dish shape sealing bar is arranged inside the concave slot. A concave slot is arranged on the side of the outer sliding door to be opposite with the concave slot of the inner sliding door. A sealing bar is arranged on lower border of the top side girder to be opposite with the upper border of the inner and outer sliding doors. A sealing bar is arranged on lower portion of the inner side face of the inner and outer sliding doors to be opposite with the side of the sole plate of the box type semi trailer. The sealing structure enables the sealing of the inner and outer sliding doors more reliable. The lift lock device comprises a small door for realizing lift and lock of the inner and outer sliding doors, therefore, the outlook of the semi trailer is more beautiful.

Description

A kind of thruster sliding door closed-type semitrailer

Technical field

The utility model relates to closed-type semitrailer, is specifically related to a kind of loading and unloading that help goods, has better sealing property and structure, locking and safety performance more easily, the thruster sliding door closed-type semitrailer that outward appearance is good, the operating mechanism protectiveness is good simultaneously.

Background technology

Closed-type semitrailer mainly is the dried food and nuts transportation that is used for landlocked long distance as a kind of transportation means.Common closed-type semitrailer only has a door in the rear end, so that goods can load and unload.Owing to have only a door in the rear end, handling goods efficient is low, particularly some are needed to load and unload the situation of part cargo midway, the rear portion only has a door just to be difficult to operation, for this reason, side curtain van has appearred, the both sides that are the railway carriage or compartment are canvas, and the top is provided with one group of pulley, can easily canvas be drawn back, goods is easily from the both sides handling goods, and efficient is very high.And the safety of canvas is relatively poor, some treasure particularly, and generally there is a kind of worry in the client, and therefore, side curtain closed-type semitrailer is used for short-distance transportation or the good intercity transportation of safety measure in the suburbs more.The safety of thruster sliding door is better than side curtain type structure, also handling goods from the side easily.

Thruster sliding door type structure in the present domestic use has multiple, on some less vans, because envelope good rigidly, realized that full side is plug-type, and for the envelope than macrostructure, some takes the part thruster to draw, and some adopts the middle mode that several root posts are set in side, and these structures are all influential to cargo handing.At laid-open U.S. Patents US4668008, what adopt is full side push-and-pull closed-type semitrailer, there is following shortcoming in this superimposed trailer: its structure slip rail is led many and external, and the operating parts of door lock rod, unlatching door all is arranged on the outside face of door, influences appearance and neatly reaches image.

The thruster sliding door closed-type semitrailer that the disclosed patent No. is ZL00239841.9, adopt two steel guide rails to serve as the dragging track of inside and outside slide, the both sides up and down of slide are provided with connecting rod mechanism and realize opening and closing of outer slide outside, simultaneously on inside and outside slide, be respectively arranged with different blocking devices and lock inside and outside slide, sealing member is set on the periphery of inside and outside slide realizes sealing, the shortcoming of this thruster sliding door closed-type semitrailer is, the locking mechanism complexity, inconvenient operation, it is unreliable to seal.

The utility model content

The technical problems to be solved in the utility model is, makes this thruster draw closed-type semitrailer to have good leak tightness and reliable lock easily when the comprehensive side that realizes side door is opened, and appearance is smooth.

The technical scheme that the utility model provides is as follows: construct a kind of thruster sliding door closed-type semitrailer, comprise the headpin that constitutes superimposed trailer, back corner post, top beam of laterally, bottom side beams, be arranged on the guide rail on top beam of laterally and the bottom side beams, a plurality of inside and outside slide along described guide rail slip, be arranged on the connecting rod mechanism on described outer slide upper and lower side limit, described guide rail is provided with upper and lower each two slideway that slide for described inside and outside slide, is provided with the lifting blocking device that makes inside and outside slide oscilaltion in the bottom of described inside and outside slide.

The side of slide is provided with the outside groove of opening in described, be provided with dish-shaped sealing band in the groove, outside described the side of slide be provided with described in slide groove groove opposite, bottom at described top beam of laterally is provided with and the relative sealing band in described inside and outside slide top, is provided with and the relative sealing band of closed-type semitrailer base plate side in the medial surface bottom of described inside and outside slide.

Implement the thruster sliding door closed-type semitrailer that the utility model provides, has following advantage: by adopting the guide rail that constitutes by upper and lower slideway, make guide rail structure simpler, when the connecting rod mechanism on the outer slide is in when tightening up state, outer slide cuts out, and inside and outside slide can be in same plane; When connecting rod mechanism was in open mode, outer slide was on the outerplanar, and this moment, inside and outside slide was in different planes respectively, and therefore, inside and outside slide can slidably reciprocate in upper and lower slideway separately respectively.Bottom at interior slide medial surface is provided with sealing joint strip, is provided with concave groove at its dual-side, is provided with sealing joint strip in the concave groove, and when interior slide rose and pushes up top beam of laterally, locking can be finished simultaneously with sealing.The end face of outer slide is provided with sealing joint strip and latch, the lower end inner face is provided with sealing joint strip, both sides of the edge are provided with concave groove, when outer slide when rotary handle drives four-bar linkage and produces inside door closing force, outer slide is pressed to interior slide, make inside and outside slide in the same plane, at this moment, the concave groove left-hand thread of outer slide both sides is gone in the sealing joint strip of interior slide grooves on two sides, external door inner groovy foremost then buckles in the outer groove of headpin, the outer slide inner groovy of rearmost end then buckles in the outer groove of back corner post, realizes the sealing of sliding door dual-side.When outer slide rose and compresses top beam of laterally, the latch at outer slide top inserted in the pin-and-hole of top beam of laterally, and sealing joint strip is close to the top beam of laterally bottom, realized locking with sealing and finished simultaneously.The lifting of inside and outside slide adopts the locking jacking system to realize, the utility model adopts the lifting blocking device that is made of wicket, the lifting and the locking of inside and outside slide have not only been realized, make that also the appearance of superimposed trailer is more elegant in appearance, thereby constitute a kind of transportation means of thruster sliding door closed-type semitrailer of new construction.

Described lifting blocking device comprise with described in, outer slide is rotationally connected, and be inlaid in the wicket of described inside and outside slide Men Tizhong, the side of wicket has L shaped groove, in groove, be provided with sliding pin, one end of sliding pin is connected with a push rod, the other end of push rod is connected with a slide bar that can slide up and down in the door body, the other end of slide bar is connected with an extendible and retractable dog (for for the outer slide 2) that stretches out from door body bottom or the lifting pawl (for interior slide 3) that stretches out later from the door body respectively, the end of described lifting pawl puts in the described bilge logs, the bottom of described bottom side beams is provided with and the corresponding block of described extendible and retractable dog, is provided with the snap close that can put in guide rail bilge logs that is arranged in the bottom side beams side or the guide rail glide path that is arranged in the top beam of laterally side in described on the medial surface of slide.

Thruster sliding door van-type structure of the present utility model also can be applicable to freight container, forms a kind of thruster sliding door type special container, can also be applied in transportation meanss such as lorry, train.

Below in conjunction with accompanying drawing, the utility model is described in further detail with embodiment.

Description of drawings

Fig. 1 thruster sliding door type of the present utility model closed-type semitrailer constructional drawing;

Fig. 2 is the lateral plan of the outer slide in the closed-type semitrailer shown in Figure 1 when being in open mode;

Fig. 3 is the birds-eye view of Fig. 2;

Fig. 4 is the birds-eye view of the inside and outside slide in the closed-type semitrailer shown in Figure 1 when being in the hermetically closing state;

Fig. 5 is outer slide and the back hermetically-sealed construction birds-eye view between the corner post in the closed-type semitrailer shown in Figure 1;

Fig. 6 is outer slide in the closed-type semitrailer shown in Figure 1 and the hermetically-sealed construction birds-eye view between the headpin;

Fig. 7 is outer slide in the closed-type semitrailer shown in Figure 1 and top beam of laterally and the bottom side beams lateral plan when being in the non-tight state;

Fig. 8 is outer slide in the closed-type semitrailer shown in Figure 7 and top beam of laterally and the bottom side beams lateral plan when being in sealing state;

Fig. 9 is interior slide in the closed-type semitrailer shown in Figure 1 and top beam of laterally and the bottom side beams lateral plan when being in the non-tight state;

Figure 10 is interior slide in the closed-type semitrailer shown in Figure 9 and top beam of laterally and the bottom side beams lateral plan when being in sealing state;

Figure 11 is interior slide in the closed-type semitrailer shown in Figure 1 or the outer slide lateral plan when being in state slidably;

Figure 12 is the scheme drawing of the wicket in the inside and outside slide shown in Figure 11 when being in open mode;

Figure 13 is the scheme drawing of wicket shown in Figure 12 when closing downwards;

Figure 14 is the scheme drawing of wicket shown in Figure 13 when interior slide or outer slide being made progress jack-up when being in closed condition.

The utility model content

Structural representation with reference to thruster sliding door type closed-type semitrailer shown in Figure 1, in thruster sliding door type closed-type semitrailer, be provided with: headpin 1, outer slide 2, interior slide 3, bottom side beams 5, back corner post 6, top beam of laterally 7, outside portion in top beam of laterally 7 and bottom side beams 5 is provided with the guide rail that is made of up and down slideway respectively, and the bottom of slide 2 and interior slide 3 is provided with the lifting blocking device 40 that slide can be made progress jack-up outside.

Fig. 2 shows the work scheme drawing of interior slide 3, outer slide 2.Be respectively arranged with the guide rail 8 of slide in being used for 3 and outer slide 2 slips on top beam of laterally 7 and bottom side beams 5, guide rail 8 is made of upper and lower two slideways.Interior slide 3 slides in the bilge logs of

slide rail

8, and 2 of outer slides could move on the glide path of slide rail 8 after by four-bar linkage 9 door being shifted out outside the railway carriage or compartment, thereby realizes moving mutually of whole side doors.

Fig. 3 shows the open and close principle of work of outer slide 2.The upper/lower terminal of slide 2 respectively is provided with two outer slide rollers 10 outside, rolls in the slideway of the slide rail 8 on top beam of laterally 7 and bottom side beams 5 respectively.One end of outer sliding door roller wheel mandrel 11, connecting rod 12, pitman arm 13 is hinged jointly with link pin 14, and pitman arm 13 can freely rotate flexibly around link pin 14.The other end of pitman arm 13 and vertical rod 15 are fixed together.The top of two vertical rods 15 is connected with two pitman arms 13 on top respectively.The bottom of two vertical rods 15 is connected with two pitman arms 13 of bottom respectively, forms two parallel four-bar linkages up and down.When turning handle 16, what outer slide 2 can be parallel moves to opening by closed condition, or moves to closed condition by opening.

Fig. 4 shows the hermetically-sealed construction between outer slide 2 and the interior slide 3.Dual-side at interior slide 3 is provided with the outside groove of opening 17, and butterfly sealing band 18 is housed in groove 17.The dual-side of slide 2 is provided with the inside groove of opening 19 outside, when outer slide 2 inside slides 3 near and when closing, in the butterfly sealing band 18 in the groove 17 in the edge of the groove 19 of outer slide 2 both sides can insert in the slide 3, has good sealing thereby make between outer slide 2 and the interior slide 3.

Fig. 5 shows the hermetically-sealed construction between outer slide 2 and the back corner post 6.Side at back corner post 6 is provided with the outside groove of opening 20, is provided with butterfly sealing band 18 in the groove.When outer slide 2 inwardly cuts out, in the butterfly sealing band 18 after the edge of the groove 19 of outer slide 2 one sides will insert in the corner post 6 one side grooves 20, has good sealing thereby make between outer slide 2 and the back corner post 6.

Fig. 6 shows the hermetically-sealed construction between outer slide 2 and the headpin 1.Side at headpin 1 is provided with the outside groove of opening 21, is provided with butterfly sealing band 18 in the groove 21.When outer slide 2 inwardly cut out, the concave groove 19 of outer slide 2 one sides will insert in the butterfly sealing joint strip 18 in the groove 21 of headpin 1, has good sealing thereby make between outer slide 2 and the headpin 1.

Fig. 7 and Fig. 8 show the hermetically-sealed construction between outer slide 2 and top beam of laterally 7 and the bottom side beams 5.Outer slide 2 is by extendible and retractable dog 25 in wicket on the outer slide 2 and the lifting mechanism 4 outer slide 2 upwards to be risen with the sealing of top beam of laterally 7, compresses that the sealing band 22 that is located at top beam of laterally 7 bottoms realizes.The sealing of outer slide 2 bottoms is when upwards rising by outer slide 2, and the sealing band 23 that is located at outer slide 2 bottoms compresses that the edge on floor 24 realizes.Fore and aft motion by outer slide extendible and retractable dog 25 reaches the purpose that applies or remove upper and lower sealing and the outer slide 2 of locking simultaneously.

The hermetically-sealed construction of slide 3 in Fig. 9 and Figure 10 show.Interior slide 3 is by the lifting blocking device 4 that is arranged on interior slide 3 bottoms interior slide 3 upwards to be risen with the sealing of top beam of laterally 7, compresses the sealing band 22 that is located at top beam of laterally 7 bottoms and realizes.The sealing of interior slide 3 bottoms is when upwards rising by interior slide 3, and the sealing band 23 of slide 3 bottoms compresses that the edge on floor 24 realizes in being located at.Fore and aft motion drive inside door snap close 27 by lifting pawl in the lifting blocking device reaches the purpose that applies or remove slide 3 in upper and lower sealing and the locking simultaneously.

Figure 11,12,13,14 shows the structure of lifting blocking device and interior slide 3 and outer slide 2 is risen the working process scheme drawing that rises.The lifting blocking device comprise with in, outer slide is rotationally connected, and in being inlaid in, the wicket 4 of outer slide Men Tizhong, the side of wicket 4 has L shaped groove, in groove, be provided with sliding pin, one end of sliding pin is connected with a push rod 30, the other end of push rod 30 is connected with a slide bar 31 that can slide up and down in the door body, the other end of slide bar 31 is connected with an extendible and retractable dog 25 that stretches out from door body bottom or the lifting pawl 26 that stretches out later from the door body respectively, the end of lifting pawl 26 puts in the guide rail bilge logs, the bottom of bottom side beams is provided with and extendible and retractable dog 25 corresponding blocks 33, in described, be provided with the snap close that can put in guide rail bilge logs that is arranged in the bottom side beams side or the guide rail glide path that is arranged in the top beam of laterally side on the medial surface of slide, the end of snap close 27 is latch structures, when interior slide rises, latch may be stuck on the edge of slideway, forms lock-out state.

The lifting principle of inside and outside slide is to utilize the boosting lever principle.Wherein wicket 4 is main force's bar, and wicket 4 fulcrums and interior slide 3 and outer slide 2 structures are hinged, and intermediate support is the fulcrum of two positions: the last fulcrum 29 of L shaped groove, lower fulcrum 28.From the power bar is the push rod 30 of a double headed roller hinge-point, and its upper end fulcrum can slide in wicket 4 intermediate support grooves.And lower sustainer is hinged with the upper end of the slide bar 31 that can slide at Men Tizhong.Slide bar 31 can vertically slide in slide trough support, captives joint with extendible and retractable dog 25 (externally slide 2) or lifting pawl 26 (internally slide 3) in the lower end of slide bar 31.Figure 11 shows that slide is in relaxed state, the hinged point in upper end of push rod 30 is positioned at last fulcrum 29 places of wicket intermediate support at this moment.After wicket 4 is opened, the upper end of push rod 30 is hinged close to lower fulcrum 28 places by last fulcrum 29, when connecting pin moves to the entrance of lower fulcrum 28, dial push rod 30 with have gentle hands, it is entered in the lower fulcrum 28, then wicket 4 is rotated a bit, make the sliding pin of push rod 30 ends enter in the lower fulcrum 28 fully and compress, finished the dead work that slide is risen this moment, as shown in figure 12.At this moment, exert oneself again wicket 4 again toward pressing down, the sliding pin of push rod 30 ends rotates near the lower fulcrum 28 of wicket 4 and around the rotating fulcrum 32 of wicket, and this moment push rod 30 lower sustainer just promote slide bar 31 and move down, stretch out up to the lower end of slide bar 31 extendible and retractable dog 25 (externally slide 2) and to insert below fixed stop 33 or compress the bottom surface of slide rail 8 and can't down move again up to the lower end of slide bar 31 lifting pawl 26 (internally slide 3), as shown in figure 13, if this moment is when further rotating wicket 4, because slide bar 31 can not be again to lower slider, the upper end fulcrum of push rod 30 will be with interior slide 3 or outer slide 2 jack-up upwards, thereby has realized the rising of slide.Because utilized the principle of reinforcement bar thick stick, whole descending operation process is very light.

If interior slide 3 or outer slide 2 are turned back to the relaxed state after the decline from locking, sealing state, its operating process is opposite with uphill process to get final product.

Claims

1, a kind of thruster sliding door closed-type semitrailer, comprise headpin, back corner post, top beam of laterally, bottom side beams, be arranged on the guide rail on top beam of laterally and the bottom side beams, a plurality of inside and outside slide along described guide rail slip, be arranged on the connecting rod mechanism on described outer slide upper and lower side limit, described guide rail is provided with upper and lower each two slideway that slide for described inside and outside slide, it is characterized in that, be provided with the lifting blocking device that makes inside and outside slide oscilaltion in the bottom of described inside and outside slide.

2, according to the described thruster sliding door of claim 1 closed-type semitrailer, it is characterized in that, described lifting blocking device comprises with described inside and outside slide and being rotationally connected, and be inlaid in the wicket of described inside and outside slide Men Tizhong, the side of wicket has L shaped groove, be provided with sliding pin in groove, an end of sliding pin is connected with a push rod, and the other end of push rod is connected with a slide bar that can slide up and down in the door body.

3, according to the described thruster sliding door of claim 2 closed-type semitrailer, it is characterized in that, for outer slide (2), the other end of the slide bar in the described lifting blocking device is connected with a stretching structure that stretches out from door body bottom, and the bottom of described bottom side beams is provided with and the corresponding block of described stretching structure.

4, according to the described thruster sliding door of claim 3 closed-type semitrailer, it is characterized in that described stretching structure can be an extendible and retractable dog.

5, according to the described thruster sliding door of claim 2 closed-type semitrailer, it is characterized in that, for interior slide (3), the other end of the slide bar in the described lifting blocking device is connected with the lifting structure that stretches out later from the door body, and the end of described lifting structure puts in the guide rail bilge logs that is arranged in the bottom side beams side.

6, according to the described thruster sliding door of claim 5 closed-type semitrailer, it is characterized in that described lifting structure can be the lifting pawl.

7, according to the described thruster sliding door of claim 5 closed-type semitrailer, it is characterized in that, in described, be provided with the snap close that can put in guide rail bilge logs that is arranged in the bottom side beams side or the guide rail glide path that is arranged in the top beam of laterally side on the medial surface of slide.

8, according to the described thruster sliding door of claim 7 closed-type semitrailer, it is characterized in that the end of described snap close is provided with the latch that may be stuck in described slideway edge.

9, according to any described thruster sliding door closed-type semitrailer of claim 1-8, it is characterized in that, the side of slide is provided with the outside groove of opening in described, be provided with the sealing band that is complementary with embolus in the groove, outside described the side of slide be provided with described in slide groove groove opposite, the recess edge of outer slide one side is inserted in the above-mentioned sealing band as above-mentioned embolus, so that realize excellent sealing.

10, according to the described thruster sliding door of claim 9 closed-type semitrailer, it is characterized in that being provided with the sealing band that is complementary with embolus in the described groove can be butterfly.

11, according to any described thruster sliding door closed-type semitrailer of claim 1-8, it is characterized in that, the side of described headpin be provided with described outside slide left groove corresponding groove, in this groove, be provided with the sealing band that is complementary with embolus, or the side of described back corner post be provided with described outside slide right groove corresponding groove, in this groove, be provided with the sealing band that is complementary with embolus, the recess edge of outer slide one side can be inserted in the above-mentioned cooresponding sealing band as above-mentioned embolus, so that realize excellent sealing.

12, according to the described thruster sliding door of claim 11 closed-type semitrailer, it is characterized in that being provided with the sealing band that is complementary with embolus in the described groove can be butterfly.

13, according to claim 1-8,10,12 any described thruster sliding door closed-type semitrailers, it is characterized in that, bottom at described top beam of laterally is provided with the sealing band relative with the top of described inside and outside slide, or is provided with and the relative sealing band of closed-type semitrailer base plate side in the medial surface bottom of described inside and outside slide.