TWM451272U - Safety pin structure for dump box of truck - Google Patents

Description

Truck unloading hopper safety latch structure

The present invention relates to a latch structure, and more particularly to a truck dump hopper safety latch structure for fixing a rear door of a truck discharge hopper to prevent the rear door from being accidentally opened.

According to the current general truck unloading hopper, the vertical side panel of the front and left and right sides of a vehicle floor extends upwardly, and a rear door is arranged behind the discharging hopper. The upper end of the rear door and the adjacent vehicle The side plate is pivotally connected by the pivoting structure, so that the rear door can be pivoted upwardly with the pivoting structure as an axis, and further, a stop member is disposed on each side of the rear side of the floor of the vehicle, the second stop The synchronous displacement or rotation can be driven by a driving mechanism, and is changed between the blocking position and the opening position. When in the blocking position, the rear door is blocked by the second stop and fixed in the closed state, and is additionally opened. In the position, the rear door is no longer blocked by the second stop and can be rotated and opened. Further, in order to strengthen the safety of the discharge hopper, a slot seat is arranged on the rear side of the floor of the vehicle, and a seat is inserted in the seat The auxiliary auxiliary member of the movable member has a holding end at one end. When the auxiliary blocking member is pulled up by the holding end, the rear door can be prevented from being accidentally opened, and when the second stop member is broken or mis-opened, the unloading hopper is carried. The material is scattered outside by the rear door.

Nowadays, the method for controlling the above-mentioned auxiliary blocking member is usually attached with an elastic rubber strip on the outer side of the rear door, and the retaining end of the rubber retaining ring is used to fix the auxiliary retaining member in the upward pulling position. In this way, the rear door of the discharge hopper is prevented from being accidentally opened. However, when the rubber strip is used, it is easy Due to aging or external force, the service life is short, so that it needs to be replaced frequently. It is quite inconvenient and inconvenient, and the safety protection function of the auxiliary stopper will be lost during the time when the rubber strip is broken until the replacement, so it is very in use. not ideal.

The creator has the disadvantages of the rubber strip that is used to fix the auxiliary gear of the truck, which is easy to break, and causes inconvenience in use and loss of safety protection function from time to time. It is the idea of creating and experimenting with many ideas and trials. After the sample test, and many corrections and improvements, the creation of this creation was finally made.

The present invention provides a truck discharge hopper safety latch structure, comprising: at least one fixed base and at least one latch, wherein the fixed base can slide up and down for a seat disposed under the rear door of the truck discharge hopper An auxiliary member, or a side column adjacent to the rear door of the rear side of the truck discharge hopper, the fixed base is provided with a jack, and the plug is inserted into the jack of the fixed base, The auxiliary stopper is fixed in the upward pulling position to block the rear door, or the pin is passed through the socket of the fixed base, and a rear door is fixed in the frame of the rear door to prevent the rear door of the truck unloading accidentally opening. .

The main purpose of this creation is to provide a truck dump hopper safety latch structure to prevent accidental opening of the rear door of the truck discharge hopper, and has good structural strength and long service life, so as to achieve convenient use. And the ability to ensure security protection.

For the rest of the drawings, the preferred embodiment of the present invention will be described in detail as follows: As shown in the first, second, third, fourth, fifth and sixth figures, the first embodiment of the safety dump structure of the present truck unloading hopper comprises: a fixed base 1 and a latch 2, wherein the fixed base 1 An auxiliary member 12 for displacing up and down is disposed in the slot 11 disposed under the rear door 31 of the truck discharge hopper 3. The front portion of the housing 11 is provided with a long insertion hole 111 extending through the front. a plate-shaped body, an elongated jack 121 is disposed on the front surface, and a pull portion 122 is disposed on the upper end. The latch 2 is L-shaped, and has a plunger 21 and a handle 22 formed by bending the rear end of the plunger 21, The front end of the front end of the plunger 21 is provided with a stopper 23, and the upper side of the rear door 31 of the truck discharge card 3 is pivoted with the adjacent side panel by the pivoting structure 32, so that the rear door 31 can be pivoted. 32 is pivoted upward for the rotation of the shaft, and a stopper 33 is disposed on each of the lower sides of the rear door 31. The second stopper 33 can be synchronously displaced or rotated by a driving mechanism (not shown). And change between the blocking position and the opening position.

In use, as shown in the fourth, fifth and sixth figures, the auxiliary blocking member 12 is pulled up by the yoke 122 to the position, and the long insertion hole 111 of the socket 11 and the length of the auxiliary blocking member 12 are inserted into the insertion of the pin 2 In the shaped jack 121, the front end of the plunger 21 of the latch 2 is passed through the elongated insertion hole 111 of the socket 11 and the elongated insertion hole 121 of the auxiliary stopper 12, and then the handle 22 of the latch 2 The latch 2 is rotated by an angle, so that the stopper 23 of the latch 2 is misaligned with the elongated insertion hole 111 of the socket 11 to form a buckle state, so that the auxiliary stopper 12 is fixed in the upwardly pulled position, thereby achieving safety protection and preventing the rear gear. The door 31 is accidentally opened.

When the material to be transported by the truck is to be dumped, the latch 2 is rotated back to the initial position by the handle 22 of the latch 2, so that the stopper 23 of the latch 2 and the elongated jack 111 and the auxiliary member of the socket 11 are 12 long jacks 121 are aligned and will be latched 2, the elongated jack 111 of the slot 11 and the elongated jack 121 of the auxiliary member 12 are pulled out, so that the auxiliary stopper 12 is disengaged downward to block the rear door 31, and the driving mechanism drives the second stopper 33 to be changed to When the position is opened, the rear door 31 can be rotatably lifted and dumped and transported.

One end of the elongated insertion hole 111 of the above-mentioned socket 11 is provided with a circular hole portion of an enlarged diameter, and the insertion hole 21 of the insertion pin 2 is inserted into the circular hole portion, thereby restricting the insertion of the plunger 21 to only generate a rotation motion to prevent the insertion of the plunger 21 When the latch 2 is inserted into the elongated insertion hole 111 of the housing 11, it is free to shake.

In addition, as shown in the seventh, eighth, ninth, tenth, and eleventh drawings, the second embodiment of the safety dump structure of the present truck unloading hopper includes: a fixed base 1 and a latch 2', The fixed base 1 is disposed in the slot 11 below the rear door 31 of the truck discharge hopper 3 to slide an auxiliary member 12 vertically movable. The front surface of the socket 11 is provided with a circular insertion hole 111'. The auxiliary member 12 is a plate-shaped body. The front side is provided with a circular insertion hole 121', and the upper end is provided with a wrench portion 122. The pin 2' is formed in a round rod shape, and the front end portion is provided with an elastic buckle unit 21'. The rear end portion is provided with a pull ring 22'. The elastic snap unit 21' is a spring steel ball set in the embodiment, and the upper side of the rear discharge door 31 of the truck discharge card 3 and the adjacent side plate are pivoted by the pivoting structure 32. The shackle 31 is configured to be pivoted upwardly by the pivoting structure 32 as an axis, and a stopper 33 is disposed on each of the lower sides of the rear door 31. The second stopper 33 can be The drive mechanism (not shown) drives the synchronous displacement or rotation and changes between the stop position and the open position.

In use, as shown in the tenth and eleventh figures, the auxiliary stopper 12 is pulled up by the yoke 122 to the position, and the pin 2 is inserted into the circular socket 111' of the socket 11. And the circular insertion hole 121' of the auxiliary stopper 12, the front end portion of the plug 2' is passed through the circular insertion hole 111' of the socket 11 and the circular insertion hole 121' of the auxiliary stopper 12, and the plug 2 is used by the pin 2 The elastic snap unit 21' at the front end portion is in a snap-fit state, and the auxiliary stopper 12 is fixed in the upwardly pulled up position to achieve a safety protection function to prevent the rear door 31 from being accidentally opened.

When the material to be transported by the truck is to be dumped, the pin 2' of the pin 2' is pulled out of the circular jack 111' of the socket 11 and the circular jack 121' of the auxiliary member 12. When the auxiliary stopper 12 is disengaged from the blocking rear door 31, and the driving mechanism drives the second stopper 33 to change to the open position, the rear door 31 can be rotatably lifted to dump the material to be transported.

Moreover, as shown in the twelfth, thirteenth, fourteenth, fifteenth and sixteenth drawings, the third embodiment of the safety dump structure of the present truck unloading hopper comprises: two fixed bases 1a and two pins 2a, wherein The fixed base 1a is a side column adjacent to the rear door 31 on both sides of the rear side of the truck discharge hopper 3. The fixed base 1a is provided with a long-shaped insertion hole 11a corresponding to the side of the rear door 31. The rear door is provided. The two sides are provided with opposite elongated jacks 311. The latches 2a are L-shaped, and have a plunger 21a and a handle 22a formed by bending the rear end of the plunger 21a. The front end edge of the plunger 21a A stop block 23a is provided, and the upper side of the rear door 31 and the adjacent side plate are pivoted by the pivoting structure 32, so that the rear door 31 can be pivoted upward by the pivoting structure 32. A stop member 33 is disposed on each of the lower sides of the rear door 31. The second stop member 33 can be synchronously displaced or rotated by a driving mechanism (not shown), and is stopped at the stop position and opened. Change between positions.

When in use, as shown in Figures 14, 15 and 16, insert the pin 2a Inserting into the elongated insertion hole 11a of the fixed base 1a and the elongated insertion hole 311 of the rear door 31, the front end of the plunger 21a of the plug 2a and the stopper 23a pass through the elongated insertion hole 11a of the fixed base 1a and the rear. The elongated insertion hole 311 of the blocking door 31 is then rotated by an angle of the latch 2a by the handle portion 22a of the latch 2a, so that the stopper 23a of the latch 2a and the elongated insertion hole 311 of the rear door 31 are misaligned to form a buckle state. The rear door 31 is fixed to prevent the rear door 31 from being accidentally opened.

When the material to be transported by the truck is to be dumped, the latch 2a is rotated back to the initial position by the handle 22a of the latch 2a, so that the stopper 23a of the latch 2a and the elongated receptacle 11a and the rear stop of the fixed base 1a The elongated jack 311 of the door 31 is aligned, and the latch 2a is pulled away from the elongated jack 11a of the fixed base 1a and the elongated jack 311 of the rear door 31, and the second stop 33 is changed by the driving mechanism. When it is in the open position, the rear door 31 can be rotatably lifted and dumped and transported.

One end of the elongated insertion hole 11a of the fixed base 1a is provided with a circular hole portion of an enlarged diameter, and the insertion hole 21a of the insertion pin 2a is inserted through the circular hole portion, thereby restricting the insertion of the plunger 21a to only generate a rotation action to prevent When the plug 2a is inserted into the elongated insertion hole 11a of the fixed base 1a, it is arbitrarily shaken.

Furthermore, as shown in the seventeenth, eighteenth and nineteenth aspects, the fourth embodiment of the truck dump hopper safety latch structure comprises: two fixed bases 1a and two pins 2a', The fixed base 1a is a side column adjacent to the rear door 31 on both sides of the rear side of the truck discharge hopper 3. The fixed base 1a is provided with a circular insertion hole 11a' corresponding to the side of the rear door 31. The two sides of the door 31 are provided with opposite circular sockets 311'. The pins 2a' are in the shape of a round rod. The front end portion is provided with an elastic buckle unit 21a', and the rear end portion is provided with a pull ring 22a'. The elastic snap unit 21a' is a spring steel ball set in this embodiment, The truck discharge card 3 is fastened to the upper side of the rear door 31 and the adjacent side panel by the pivoting structure 32, so that the rear door 31 can be pivoted upward by the pivoting structure 32, and the rear gear is further opened. A stopper 33 is disposed on each of the lower sides of the door 31. The second stopper 33 can be synchronously displaced or rotated by a driving mechanism (not shown) to change between the blocking position and the opening position.

In use, as shown in the eighteenth and nineteenth views, the pin 2a' is inserted into the circular insertion hole 11a' of the fixed base 1a and the circular insertion hole 311' of the rear door 31, so that the front end of the pin 2a' The circular insertion hole 11a' of the fixed base 1a and the circular insertion hole 311' of the rear door 31 are formed, and the elastic buckle unit 21a' at the front end of the pin 2a' forms a buckle state, and the rear door is fixed. 31. Prevent the rear door 31 from being accidentally opened.

When the material to be transported by the truck is to be dumped, the latch 2' is pulled out of the circular jack 11a' of the fixed base 1a and the circular jack 311' of the rear door 31 by the pull ring 22a' of the latch 2a'. And the driving mechanism drives the second stop 33 to change to the open position, and the rear door 31 can be rotatably lifted to dump the material to be transported.

According to the structure of the above specific embodiment, the following benefits can be obtained: the safety pin structure of the truck unloading hopper of the present invention has good overall structural strength, long service life, no need to be replaced due to damage, and the operation action is simple and convenient, and It is easy to use and enhances security.

In summary, this creation has indeed reached a breakthrough structure, and has improved content of creation, while at the same time achieving industrial use and progress. When complying with the provisions of the Patent Law, it proposes a new type of patent application according to law. Please ask the Board of Review to grant legal patent rights to pray.

1‧‧‧Fixed base

1a‧‧‧Fixed base

11‧‧‧Seat

11a‧‧‧ jack

11a’‧‧‧ jack

111‧‧‧ jack

111’‧‧‧ jack

12‧‧‧Auxiliary parts

121‧‧‧ jack

121’‧‧‧ jack

122‧‧‧ Pulling

2‧‧‧Latch

2’‧‧‧Tradles

2a‧‧‧Latch

2a’‧‧‧Latch

21‧‧‧Put

21’‧‧‧Flexible snap unit

21a‧‧‧Pull

21a’‧‧‧Flexible snap unit

22‧‧‧ handle

22’‧‧‧ Pull ring

22a‧‧‧ handle

22a’‧‧‧ Pull ring

23‧‧‧block

23a‧‧‧Block

3‧‧‧Unloading hopper

31‧‧‧ rear door

311‧‧‧ jack

311’‧‧‧ jack

32‧‧‧ pivoting structure

33‧‧‧stops

The first figure is an exploded perspective view of the first embodiment of the present creation.

The second drawing is a perspective exploded partial enlarged view of the first embodiment of the present creation.

Fig. 3 is a perspective view of the plug of the first embodiment of the present invention.

The fourth figure is a schematic diagram of the plug insertion operation of the first embodiment of the present invention.

Fig. 5 is a schematic view showing the action of the pin rotation buckle of the first embodiment of the present invention.

Fig. 6 is a cross-sectional view showing the state of the latch of the first embodiment of the present invention.

Fig. 7 is a perspective exploded partial enlarged view of the second embodiment of the present creation.

Figure 8 is an exploded view of the plug of the second embodiment of the present invention.

Ninth view: A perspective view of the plug of the second embodiment of the present invention.

Fig. 10 is a schematic view showing the action of the plug insertion of the second embodiment of the present invention.

Figure 11 is a cross-sectional view showing the state of the latch of the second embodiment of the present invention.

Twelfth Figure: An exploded perspective view of a third embodiment of the present creation.

Thirteenth Graph: A perspective exploded view of a third embodiment of the present creation.

Figure 14: shows the action of the plug insertion in the third embodiment of the present creation Figure.

Fig. 15 is a schematic view showing the action of the pin rotation buckle of the third embodiment of the present invention.

Figure 16 is a cross-sectional view showing the state of the latch of the third embodiment of the present invention.

Figure 17 is a perspective exploded partial enlarged view of the fourth embodiment of the present creation.

Figure 18 is a schematic view showing the action of the plug insertion of the fourth embodiment of the present invention.

Fig. 19 is a cross-sectional view showing the state of the latch of the fourth embodiment of the present invention.

1‧‧‧Fixed base

11‧‧‧Seat

12‧‧‧Auxiliary parts

2‧‧‧Latch

3‧‧‧Unloading hopper

31‧‧‧ rear door

32‧‧‧ pivoting structure

33‧‧‧stops

Claims (10)

A truck discharge hopper safety bolt structure comprises: at least one fixed base, the fixed base is provided with an auxiliary member for sliding up and down in a seat seat disposed under the rear door of the truck discharge hopper, the seat front The utility model comprises a long-shaped insertion hole, the auxiliary blocking member is a plate-shaped body, the front surface is provided with an elongated insertion hole, and at least one insertion pin is provided with a handle at the rear end of the insertion rod, and the insertion rod A stopper is arranged on one side of the front end for inserting into the elongated socket of the socket and the elongated socket of the auxiliary blocking member, and the auxiliary blocking member is fixed in the upward pulling position to block the rear gear by rotating the buckle door. The truck discharge hopper safety pin structure according to claim 1, wherein the handle of the bolt is formed by bending a rear end of the plunger. The truck discharge hopper safety pin structure according to claim 1, wherein one end of the elongated socket of the socket is provided with a circular hole portion of the enlarged diameter, and the insertion hole of the insertion pin is inserted into the circular hole portion. Limiting the plunger can only produce a rotating motion. A truck discharge hopper safety bolt structure comprises: at least one fixed base, the fixed base is provided with an auxiliary member for sliding up and down in a seat seat disposed under the rear door of the truck discharge hopper, the seat front The utility model comprises a circular insertion hole, the auxiliary blocking member is a plate-shaped body, a circular insertion hole is arranged on the front surface, and at least one bolt is formed in a round rod shape, and an elastic buckle unit is arranged at the front end portion. The rear end portion is provided with a pull ring for inserting into the circular jack of the socket and the circular jack of the auxiliary gear, and the auxiliary gear is fixed by the elastic buckle manner The piece is fixed in the upwardly pulled position to block the rear door. The truck discharge hopper safety latch structure according to claim 4, wherein the elastic snap unit is a spring steel ball set. A truck discharge hopper safety bolt structure comprises: at least one fixed base, wherein the fixed base is a side column adjacent to the rear door of the rear side of the truck discharge hopper, and the fixed base is provided with a side corresponding to the side of the rear door a long-shaped insertion hole, the opposite side of the rear door is provided with an opposite elongated jack; and at least one latch, the latch is provided with a handle at the rear end of the plunger, and is disposed at a side edge of the front end of the plunger There is a stopper for inserting into the elongated jack of the fixed base and the elongated jack of the rear door, and the rear door is fixed by rotating and snapping. The truck discharge hopper safety pin structure according to claim 6, wherein the handle of the bolt is formed by bending a rear end of the plunger. The truck discharge hopper safety pin structure according to claim 6, wherein one end of the elongated socket of the fixed base is provided with a circular hole portion of the enlarged diameter, and the insertion hole of the insertion pin of the circular hole portion is inserted. , limiting the plunger can only produce a rotating motion. A truck discharge hopper safety bolt structure comprises: at least one fixed base, wherein the fixed base is a side column adjacent to the rear door of the rear side of the truck discharge hopper, and the fixed base is provided with a side corresponding to the side of the rear door a circular jack through which the opposite side of the rear door is provided with opposite circular jacks; and at least one latch, the latch is in the shape of a round rod, and the front end portion is provided with a flexible The buckle unit is provided with a pull ring for inserting into the circular jack of the fixed base and the circular jack of the rear door, and the rear door is fixed by elastic snapping. The truck discharge hopper safety plug structure according to claim 9, wherein the elastic buckle unit is a spring steel ball set.