CN218287908U - Door opening mechanism for semi-trailer carriage door - Google Patents

Abstract

The utility model provides a semitrailer compartment door opening mechanism, which comprises a side compartment door and a compartment underframe, wherein the bottom of the side compartment door is provided with a compartment connecting plate, the compartment underframe is provided with an opening vertical plate, and the opening vertical plate is provided with a pin shaft holding hole with an opening at the outer side; a lower part of the carriage connecting plate corresponding to the opening vertical plate is provided with a abdicating groove with an opening at the lower end, the bottom of the carriage connecting plate is connected with an integral shaft sleeve and a positioning shaft sleeve, and the positioning shaft sleeve is provided with two handle limiting grooves; the integral shaft sleeve, the pin shaft control hole and the positioning shaft sleeve can be provided with a sectional pin shaft in a drawing way; the sectional pin shaft comprises a pin shaft drawing section, a connecting rod and a pin shaft positioning section which are sequentially connected, and a handle matched with the handle limiting groove is arranged on the pin shaft positioning section; the width of the outside opening of the pin shaft holding hole is larger than the diameter of the connecting rod and smaller than the diameter of the pin shaft drawing section. The mechanism is convenient to operate, simple in structure and free of possibility of losing parts.

Description

Door opening mechanism for semi-trailer carriage door

Technical Field

The utility model relates to a semitrailer field, specific theory has related to a semitrailer railway carriage or compartment door mechanism of opening a door.

Background

The side-turning semitrailer of the breast board meets various loading and unloading goods requirements of users, and the side compartment door is generally designed into an up-down bidirectional opening structure. As shown in fig. 1, 2 and 3, the device mainly comprises a carriage connecting plate for connecting a carriage, a limiting shaft sleeve connected to the lower side of the carriage connecting plate, a limiting vertical plate, an integral pin shaft for stringing the limiting shaft sleeve and the limiting vertical plate together, and a rotating plate rotatably arranged on the carriage connecting plate and used for clamping the limiting vertical plate. When the side door is used as a fence door which is opened downwards, the side door is locked by the shaft sleeve structure on the upper part of the side door and the rotating plate and the limiting vertical plate of the lower door opening mechanism, the door opening mechanism is connected with the limiting vertical plate welded on the boundary beam through the integral pin shaft, and the integral pin shaft of the shaft sleeve structure and the rotating plate door of the door opening mechanism are opened to realize downward overturning. When the lifting door is used as an upward opening lifting door, the integral pin shaft and the rotating plate of the door opening mechanism are required to be detached, so that the carriage door can be turned upwards.

In the structure, when the door is converted into two functions of upward or downward, the whole pin shaft and the rotating plate of the door opening mechanism need to be disassembled and assembled, and the storage problem needs to be considered after the whole pin shaft is disassembled, so that the operation is troublesome and the possibility of loss exists.

In order to solve the above problems, people are always seeking an ideal technical solution.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a semitrailer compartment door opening mechanism comprises a side compartment door and a compartment underframe, wherein a compartment connecting plate is arranged at the bottom of the side compartment door, a notch vertical plate is arranged on the compartment underframe, and a pin shaft control hole with an opening at the outer side is formed in the notch vertical plate;

a lower part of the carriage connecting plate corresponding to the opening vertical plate is provided with a abdicating groove with an opening at the lower end, the bottom of the carriage connecting plate is connected with an integral shaft sleeve and a positioning shaft sleeve, and the positioning shaft sleeve is provided with two handle limiting grooves;

a sectional pin shaft can be arranged among the integral shaft sleeve, the pin shaft holding hole and the positioning shaft sleeve in a drawing manner;

the sectional pin shaft comprises a pin shaft drawing section, a connecting rod and a pin shaft positioning section which are sequentially connected, and a handle matched with the handle limiting groove is arranged on the pin shaft positioning section;

the width of the opening at the outer side of the pin shaft holding hole is larger than the diameter of the connecting rod and smaller than the diameter of the pin shaft drawing section.

Based on the above, the length of the sectional type pin shaft is equal to the width of the carriage connecting plate.

Based on the above, the sum of the width value of the whole shaft sleeve and the width value of the abdicating groove is equal to the length value of the pin shaft drawing section.

Based on the above, the two handle limiting grooves are respectively formed in the inner end and the outer end of the positioning shaft sleeve, and when the handle is located in the handle limiting groove in the outer end, the pin shaft holding hole is matched with the pin shaft drawing section;

when the handle is positioned in the handle limiting groove at the inner end, the pin shaft holding hole is matched with the connecting rod.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a semitrailer railway carriage or compartment door opening mechanism to the commentaries on classics board cancellation of opening mechanism, but the round pin design slidingtype around becoming, the riser changes into the opening formula, and when the railway carriage or compartment door was opened from top to bottom and is switched over the operation, only need manual slip round pin axle can, convenient operation, simple structure does not have the possibility that spare part loses.

Drawings

Fig. 1 is a schematic view of the whole structure of a semi-trailer compartment door opening mechanism in the prior art.

Fig. 2 is a schematic structural view of a limiting vertical plate in a door opening mechanism of a semitrailer compartment door in the prior art.

Fig. 3 is a schematic view of the installation position of a door opening mechanism of a semitrailer compartment door in the prior art.

Fig. 4 is the structural schematic diagram that the semitrailer compartment door opening mechanism is in an open state.

Fig. 5 is the utility model provides a semitrailer railway carriage or compartment door opening mechanism is in locking column structure sketch map.

Fig. 6 is the utility model provides a sectional type pin structure sketch map in semitrailer railway carriage or compartment door opening mechanism.

Fig. 7 is the utility model provides a gap riser structure sketch map in the semitrailer railway carriage or compartment door opening mechanism.

Fig. 8 is the utility model provides a semitrailer railway carriage or compartment door opening mechanism mounted position sketch map.

In the figure: 1. a carriage connecting plate; 2. rotating the plate; 3. an integral pin shaft; 4. a limiting shaft sleeve; 5. a vertical limiting plate; 6. a circular pin hole; 7. an integral shaft sleeve; 8. a pin shaft drawing section; 9. positioning the shaft sleeve; 10. a handle limiting groove; 11. a handle; 12. a gap vertical plate; 13. a yielding groove; 14. a pin shaft positioning section; 15. a connecting rod; 16. a pin shaft holding hole; 17. a side door; 18. a carriage underframe.

Detailed Description

The technical solution of the present invention is further described in detail through the following embodiments.

Example 1

The present embodiment provides a semitrailer compartment door opening mechanism, as shown in fig. 4, 5, 6, 7 and 8, including a side compartment door 17 and a compartment underframe 18. The bottom of the side carriage door 17 is provided with a carriage connecting plate 1, the carriage underframe 18 is provided with an opening vertical plate 12, and the opening vertical plate 12 is provided with a pin shaft holding hole 16 with an opening at the outer side.

And a yielding groove 13 with an open lower end is formed in the lower part of the carriage connecting plate 1 corresponding to the opening vertical plate 12. The bottom of the carriage connecting plate 1 is connected with an integral shaft sleeve 7 and a positioning shaft sleeve 9. Two handle limiting grooves 10 are formed in the positioning shaft sleeve 9.

A sectional pin shaft can be arranged among the integral shaft sleeve 7, the pin shaft holding hole 16 and the positioning shaft sleeve 9 in a drawing mode.

The sectional pin shaft comprises a pin shaft drawing section 8, a connecting rod 15 and a pin shaft positioning section 14 which are connected in sequence. And a handle 11 matched with the handle limiting groove 10 is arranged on the pin shaft positioning section 14.

The width of the outer opening of the pin holding hole 16 is greater than the diameter of the connecting rod 15 and less than the diameter of the pin drawing section 8.

The length of the sectional type pin shaft is equal to the width of the carriage connecting plate 1.

The sum of the width value of the integral shaft sleeve 3 and the width value of the abdicating groove 13 is equal to the length value of the pin shaft drawing section 8.

Two handle limiting grooves 10 are respectively arranged at the inner end and the outer end of the positioning shaft sleeve 9.

When the handle 11 is located in the handle limiting groove 10 at the outer end, the pin shaft holding hole 16 is matched with the pin shaft drawing section 8.

When the handle 11 is located in the handle limiting groove 10 at the inner end, the pin holding hole 16 is matched with the connecting rod 15.

Specifically, the existing side door is generally designed to be opened in both directions. The structure of the device is generally shown in fig. 1, fig. 2 and fig. 3, and mainly includes a carriage connecting plate 1 for connecting a side carriage door 17, a limiting shaft sleeve 4 connected to the lower side of the carriage connecting plate 1, a limiting vertical plate 5, an integral pin 3 for stringing the limiting shaft sleeve 4 and the limiting vertical plate 5 together, and a rotating plate 2 rotatably disposed on the carriage connecting plate 1 for clamping the limiting vertical plate 5. The limiting vertical plate 5 is provided with a round pin shaft hole 6 for the integral pin shaft 3 to pass through.

When the side door is used as a side door which is opened downwards, the side door is locked by the shaft sleeve structure on the upper part of the side door and the rotating plate and the limiting vertical plate of the lower door opening mechanism, the door opening mechanism is connected with the limiting vertical plate welded on the boundary beam through the integral pin shaft, and the integral pin shaft of the shaft sleeve structure and the rotating plate door of the door opening mechanism are opened to realize downward overturning.

When the lifting door is used as an upward opening lifting door, the integral pin shaft and the rotating plate of the door opening mechanism are required to be detached, so that the carriage door can be turned upwards.

And the semitrailer compartment door opening mechanism that this embodiment provided, to the commentaries on classics board cancellation of opening mechanism, but the round pin axle designs into horizontal slip pull formula sectional type round pin axle, and the riser changes into and opens the opening formula, and when the side compartment door was opened from top to bottom and is switched over the operation, only need manual slip pull sectional type round pin axle can, convenient operation, simple structure and the possibility that does not have spare part and loses.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (4)

1. The utility model provides a semitrailer railway carriage or compartment door opening mechanism, includes side railway carriage or compartment door and carriage chassis, its characterized in that: the bottom of the side carriage door is provided with a carriage connecting plate, the carriage underframe is provided with a gap vertical plate, and the gap vertical plate is provided with a pin shaft holding hole with an opening at the outer side;

a lower part of the carriage connecting plate corresponding to the opening vertical plate is provided with a abdicating groove with an opening at the lower end, the bottom of the carriage connecting plate is connected with an integral shaft sleeve and a positioning shaft sleeve, and the positioning shaft sleeve is provided with two handle limiting grooves;

a sectional pin shaft is arranged among the integral shaft sleeve, the pin shaft control hole and the positioning shaft sleeve in a drawable manner;

the sectional pin shaft comprises a pin shaft drawing section, a connecting rod and a pin shaft positioning section which are sequentially connected, and a handle matched with the handle limiting groove is arranged on the pin shaft positioning section;

the width of the opening at the outer side of the pin shaft holding hole is larger than the diameter of the connecting rod and smaller than the diameter of the pin shaft drawing section.

2. The semitrailer compartment door opening mechanism of claim 1, wherein: the length of the sectional type pin shaft is equal to the width of the carriage connecting plate.

3. The semitrailer door opening mechanism according to claim 2, characterized in that: the sum of the width value of the integral shaft sleeve and the width value of the abdicating groove is equal to the length value of the pin shaft drawing section.

4. The semitrailer door opening mechanism according to any one of claims 1 to 3, characterized in that: the two handle limiting grooves are respectively formed in the inner end and the outer end of the positioning shaft sleeve, and when the handle is located in the handle limiting groove in the outer end, the pin shaft holding hole is matched with the pin shaft drawing section;

when the handle is positioned in the handle limiting groove at the inner end, the pin shaft holding hole is matched with the connecting rod.

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