CN217538290U - Tool box door turning device and tool box - Google Patents

Abstract

The utility model belongs to the technical field of engineering machine tool equipment, concretely relates to tool box door turning device and toolbox. The tool box door turnover device comprises a hinge mechanism and a buffer mechanism; the hinge mechanism comprises a main hinge, an auxiliary hinge and a first pin shaft; the main hinge is fixed inside the lower box body of the tool box and is fixedly connected with the upper end surface of the lower box body of the tool box; the auxiliary hinge comprises a supporting part, a connecting part and a fixing part; the outer end of the supporting part is hinged with the inner side of the main hinge through a first pin shaft, and the other end of the supporting part is connected with the fixing part through a connecting part; the fixing part is fixedly connected with the inner side surface of the upper box cover; the buffer mechanism is fixed in the lower box body, and when the upper box cover is closed, the supporting part compresses the buffer mechanism. The utility model has the advantages of large opening and closing angle, long service life, easy opening of the upper box cover, strong reliability and the like.

Description

Tool box door turnover device and tool box

Technical Field

The utility model belongs to the technical field of engineering machine tool equipment, concretely relates to tool box door turning device and toolbox.

Background

The case door hinge of current toolbox arranges under the toolbox between box and the last case lid, goes up the case lid and interferes with box down easily when going up the case lid and opening 90 degrees, and the condition that box paint was scraped appears down easily, has spent time toolbox panel and hinge all corroded by the rainwater easily, influences life. Moreover, for large-scale engineering machinery, equipment with the same volume as the urea tank needs to be placed in the tool box, the tool box is required to be large in size, the box door is large, the hinge has a large opening and closing angle, the opening and closing angle of the traditional hinge is limited, the box door is large and is not easy to open, and for equipment with the same volume as the urea tank, maintenance and replacement are inconvenient.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model provides a tool box door turning device has that the angle of opening and shutting is big, long service life, go up advantages such as the case lid is easily opened, the good reliability.

Another object of the present invention is to provide a tool box, which has the advantages of easy opening of the box door, large opening angle, and high reliability.

For solving the deficiency of the prior art, the utility model provides a technical scheme does:

a tool box door turnover device comprises a hinge mechanism and a buffer mechanism;

the hinge mechanism comprises a main hinge, an auxiliary hinge and a first pin shaft; the main hinge is fixed inside the lower box body of the tool box and is fixedly connected with the upper end face of the lower box body of the tool box; the auxiliary hinge comprises a supporting part, a connecting part and a fixing part; the outer end of the supporting part is hinged with the inner side of the main hinge through a first pin shaft, and the other end of the supporting part is connected with the fixing part through the connecting part; the fixing part is fixedly connected with the inner side surface of the upper box cover;

the buffer mechanism is fixed in the lower box body, and when the upper box cover is closed, the supporting part compresses the buffer mechanism.

Preferably, the buffer mechanism comprises a fixed plate, a rotating plate, a third pin shaft and a first spring; the fixed plate is fixed in the lower box body; the rotating plate is hinged with the fixed plate through the third pin shaft, the rotating plate is parallel to the supporting part, and the outer side surface of the rotating plate is in contact with the supporting part; and the spring is sleeved on the third pin shaft, one end of the spring is fixedly connected with the fixed plate, and the other end of the spring is fixedly connected with the rotating plate.

Preferably, the buffer mechanism comprises a second sleeve, a first sleeve, a buffer seat and a second spring;

the second sleeve is horizontally arranged, one end of the second sleeve is closed, and the closed end of the second sleeve is fixedly connected with the side face of the lower box body;

the buffer seat comprises a buffer part, a buffer shaft and a lantern ring; the buffer part is cylindrical, and the outer end of the buffer part is opposite to the support part; the buffer shaft is horizontally arranged, the diameter of the buffer shaft is smaller than that of the buffer part, and one end of the buffer shaft is fixedly connected with the end face of the buffer part; the lantern ring is sleeved on the buffer shaft, and the end face of the lantern ring is fixedly connected with the buffer part;

the spring is sleeved on the buffer shaft; one end of the second sleeve is fixedly connected with the inner end face of the second sleeve;

the first sleeve is horizontally arranged, the diameter of the first sleeve is smaller than that of the second sleeve, the first sleeve is sleeved on the second spring, one end of the first sleeve is fixedly connected with the end face of the sleeve ring, and the other end of the first sleeve is located in the second sleeve.

Preferably, the buffer mechanism further comprises a buffer block; the buffer block is sleeved on the buffer part and the lantern ring and is in interference fit with the buffer part and the lantern ring, and the outer end of the buffer block is opposite to the supporting part and is in contact with the supporting part; the buffer block is made of rubber.

Preferably, the collar is made of an elastic material.

Preferably, the inner end of the second sleeve is provided with an elastic block, and two ends of the elastic block are fixedly connected with the second sleeve and the second spring respectively.

Preferably, the auxiliary hinge is made of spring steel.

Preferably, the surface of the supporting part opposite to the buffer mechanism is provided with a plurality of hollowed-out bulges.

Preferably, the device also comprises a limiting mechanism; the limiting mechanism comprises an L-shaped plate, a pull rod, a second pin shaft and a sliding rail;

one end face of the L-shaped plate is fixedly connected with the lower end face of the upper box cover, and the other end face of the L-shaped plate is hinged with one end of the pull rod;

the sliding rail is horizontally arranged, is fixed on the lower box body and is provided with a horizontal sliding groove; limiting grooves are formed in two ends of the sliding groove, and a sliding sleeve is arranged in the sliding groove;

and the second pin shaft penetrates through the sliding sleeve and is connected with the other end of the pull rod.

A tool box comprises the tool box door overturning device.

The utility model has the advantages that:

the utility model provides a the hinge mechanism can let go up the case lid for the upset of lower box, and main hinge and round pin axle one dress can avoid drenching inside the box under, simultaneously the utility model provides a hinge mechanism still has the angle of opening and shutting greatly, the angle of opening and shutting goes up the advantage that case lid and lower box can not be had a business over when big.

The utility model has four functions, firstly, when the upper box cover is closed, the auxiliary hinge compresses the buffer mechanism, and the buffer mechanism has a limiting function on the upper box cover; when the upper box cover is closed, the buffer mechanism can support the auxiliary hinge, the auxiliary hinge supports the upper box cover, and the upper box cover can bear the weight; thirdly, when the upper box cover is opened, the buffer mechanism can provide assistance, so that a person can conveniently open the large upper box cover; and fourthly, when the upper box cover is opened, the buffer mechanism can also support the auxiliary hinge to play a certain limiting role.

The utility model provides a stop gear can carry on spacingly when last case lid is opened and is closed.

The utility model discloses simple structure, it is rationally distributed, can make things convenient for, swiftly carry out the operation of instrument chamber door upset locking, and have stronger reliability.

Drawings

Fig. 1 is a schematic view illustrating an open state of a tool box door turnover device according to the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged view of portion I of FIG. 2;

fig. 4 is a schematic view of a closed state of the tool box door turning device according to the present invention;

FIG. 5 is an enlarged view of the area M in FIG. 4;

fig. 6 is a schematic structural view of the hinge mechanism provided by the present invention;

fig. 7 is a schematic structural view of the limiting mechanism provided by the present invention;

fig. 8 is an exemplary diagram of a buffering mechanism provided by the present invention;

fig. 9 is another exemplary diagram of a damping mechanism provided by the present invention;

wherein:

1 is an upper box cover;

2 is a hinge mechanism; 21 is an auxiliary hinge; 211 is a support part; 212 is a connecting part; 213 is a fixed part; 22 is a main hinge; 25 is a pin shaft I;

3 is a limiting mechanism; 31 is an L-shaped plate; 32 is a pull rod; 33 is a pin shaft II; 34 is a slide rail; 35 is a sliding sleeve;

4 is a lower box body;

5 is a limit mechanism;

51 is a fixed plate; 52 is a first spring; 53 is a rotating plate; 54 is a pin roll III;

510 is a buffer block; 520 is a first sleeve; 530 is a buffer seat; 5301 denotes a buffer portion; 5302 is a buffer shaft; 5303 is a lantern ring; 540 is a second sleeve; 5401 it is a bullet; and 550 is a second spring.

Detailed Description

The present invention will be further described with reference to the following embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a tool box door turning device, refer to fig. 3, fig. 4 and fig. 5, including the hinge mechanism 2 and buffer gear 5. Specifically, the hinge mechanism 2 comprises a main hinge 22, an auxiliary hinge 21 and a first pin shaft 25; the main hinge 22 is fixed inside the lower box body 4 of the tool box and is fixedly connected with the upper end surface of the lower box body 4 of the tool box through a bolt and a gasket; the sub hinge 21 includes a supporting portion 211, a connecting portion 212, and a fixing portion 213; the outer end of the supporting part 211 is hinged with the inner side of the main hinge 22 through a first pin shaft 25 and limited by a cotter pin, and the other end of the supporting part is connected with the fixing part 213 through a connecting part 212; the fixing part 213 is fixedly connected with the inner side surface of the upper case cover 1 through bolts and washers; the damper mechanism 5 is fixed in the lower case 4, and when the upper case lid 1 is closed, the support portion 211 compresses the damper mechanism 5.

The hinge mechanism can let the upper box cover overturn for lower box, and main hinge and round pin axle one adorn inside lower box, can avoid drenching, the life-span of extension hinge mechanism, simultaneously the utility model provides a hinge mechanism still has the advantage that the angle is big that opens and shuts. The buffer mechanism has four functions, namely, when the upper box cover is closed, the auxiliary hinge compresses the buffer mechanism, and the buffer mechanism has a limiting function on the upper box cover; when the upper box cover is closed, the buffer mechanism can support the auxiliary hinge, the auxiliary hinge supports the upper box cover, and the upper box cover can bear weight; thirdly, when the upper box cover is opened, the buffer mechanism can provide assistance, so that a person can conveniently open the large upper box cover; fourthly, after the upper box cover is opened, the buffer mechanism can also support the auxiliary hinge, and a certain limiting effect is achieved.

In an alternative embodiment of the present invention, referring to fig. 3 and 8, the buffering mechanism 5 includes a fixed plate 51, a rotating plate 53, a third pin 54 and a first spring 52; the fixed plate 51 is fixed in the lower box body 4 and is fixedly connected with the upper end surface of the lower box body 4; the rotating plate 53 is hinged with the fixed plate 51 through a third pin shaft 54, the rotating plate 53 is parallel to the supporting part 211, and the outer side surface of the rotating plate is contacted with the supporting part 211; the first spring 52 is sleeved on the third pin shaft 54, one end of the first spring is fixedly connected with the fixed plate 51, and the other end of the first spring is fixedly connected with the rotating plate 53. When the upper box cover is closed, the supporting part compresses the fixed plate and the rotating plate; when the upper box cover is opened, the fixed plate and the rotating plate are loosened and provide assistance; when the upper box cover is completely opened, the rotating plate is still contacted with the supporting part, and a certain limiting effect is achieved.

In another embodiment of the present invention, referring to fig. 9, the buffering mechanism 5 comprises a buffering block 510, a second sleeve 540, a first sleeve 520, a buffering seat 530 and a second spring 550; the second sleeve 540 is horizontally arranged, one end of the second sleeve is closed, and the closed end of the second sleeve is fixedly connected with the side face of the lower box body; the buffer base 530 includes a buffer portion 5301, a buffer shaft 5302, and a collar 5303; the buffer portion 5301 is cylindrical; the buffer shaft 5302 is horizontally arranged, has a diameter smaller than that of the buffer portion 5301, and has one end fixedly connected with an end face of the buffer portion 5301; the lantern ring 5303 is sleeved on the buffer shaft 5302, and the end surface of the lantern ring is fixedly connected with the buffer portion 5301; the second spring 550 is sleeved on the buffer shaft 5302, one end of the second spring is fixedly connected with the lantern ring 5303, and the other end of the second spring is fixedly connected with the inner end face of the second sleeve 540; the first sleeve 520 is horizontally arranged, the diameter of the first sleeve is smaller than that of the second sleeve 540, the first sleeve is sleeved on the second spring 550, one end of the first sleeve is fixedly connected with the end face of the sleeve 5303, and the other end of the first sleeve is positioned in the second sleeve 540; the buffer block 510 is sleeved on the buffer portion 5301 and the lantern ring 5303, is in interference fit with the buffer portion 5301 and the lantern ring 5303, and has an outer end opposite to the support portion and in contact with the support portion; the material of the buffer block 510 is rubber. The lantern ring is made of elastic materials. When in use, the inner end of the second sleeve 540 is also provided with a spring block 5401, and two ends of the spring block 5401 are fixedly connected with the second sleeve 540 and the second spring 550 respectively. When the upper box cover is closed, the support part compresses the second spring, and the first sleeve retracts towards the inside of the second sleeve; when the upper box cover is approximately arranged, the second spring extends to provide assistance for opening the upper box cover.

In an optional embodiment of the present invention, the auxiliary hinge is made of spring steel.

In an optional embodiment of the present invention, referring to fig. 6, a plurality of hollowed-out protrusions are disposed on a surface of the supporting portion 211 opposite to the buffering mechanism 5, and the shape of the protrusions is not limited, and may be conical. The protrusion can enhance the elasticity of the secondary hinge.

In an alternative embodiment of the present invention, referring to fig. 2, the tool box door turnover device further includes a limiting mechanism 3. Specifically, referring to fig. 3 and 7, the limiting mechanism includes an L-shaped plate 31, a pull rod 32, a second pin shaft 33 and a slide rail 34; one end face of the L-shaped plate 31 is fixedly welded with the lower end face of the upper box cover 1, and the other end face of the L-shaped plate is hinged with one end of the pull rod 32; the slide rail 34 is horizontally arranged, fixed on the lower box body 4 and provided with a horizontal slide groove; two ends of the sliding groove are provided with limiting grooves, and a sliding sleeve 35 is arranged in the sliding groove; the second pin 33 passes through the sliding sleeve 35 and is connected with the other end of the pull rod 32. The state of the upper box cover 1 when opened is shown in figures 1 to 3, at the moment, the second pin shaft slides into the limiting groove close to the hinge mechanism, and the limiting mechanism can enable the upper box cover to be stabilized at the position shown in the figures. The state of the upper box cover 1 after being closed is shown in figures 4 and 5, and at the moment, the pin shaft II slides into the limit groove far away from the hinge mechanism.

The embodiment of the utility model provides a still provide a toolbox, including aforementioned toolbox door turning device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (10)

1. The tool box door turnover device is characterized by comprising a hinge mechanism (2) and a buffer mechanism (5);

the hinge mechanism (2) comprises a main hinge (22), an auxiliary hinge (21) and a first pin shaft (25); the main hinge (22) is fixed inside the lower box body (4) of the tool box and is fixedly connected with the upper end face of the lower box body (4) of the tool box; the auxiliary hinge (21) comprises a supporting part (211), a connecting part (212) and a fixing part (213); the outer end of the supporting part (211) is hinged with the inner side of the main hinge (22) through a first pin shaft (25), and the other end of the supporting part is connected with the fixing part (213) through the connecting part (212); the fixing part (213) is fixedly connected with the inner side surface of the upper box cover (1);

the buffer mechanism (5) is fixed in the lower box body (4), and when the upper box cover (1) is closed, the supporting part (211) compresses the buffer mechanism (5).

2. The tool box door turning device according to claim 1, wherein the buffer mechanism (5) comprises a fixed plate (51), a rotating plate (53), a third pin (54) and a first spring (52); the fixed plate (51) is fixed in the lower box body (4); the rotating plate (53) is hinged with the fixed plate (51) through the third pin shaft (54), the rotating plate (53) is parallel to the supporting part (211), and the outer side surface of the rotating plate is contacted with the supporting part (211); the first spring (52) is sleeved on the third pin shaft (54), one end of the first spring is fixedly connected with the fixed plate (51), and the other end of the first spring is fixedly connected with the rotating plate (53).

3. The tool box door turnover device of claim 1, wherein said buffer mechanism (5) comprises a second sleeve (540), a first sleeve (520), a buffer base (530) and a second spring (550);

the second sleeve (540) is horizontally arranged, one end of the second sleeve is closed, and the closed end of the second sleeve is fixedly connected with the side face of the lower box body (4);

the buffer seat (530) comprises a buffer part (5301), a buffer shaft (5302) and a lantern ring (5303); the buffer part (5301) is cylindrical, and the outer end of the buffer part is opposite to the supporting part (211); the buffer shaft (5302) is horizontally arranged, has a diameter smaller than that of the buffer part (5301), and has one end fixedly connected with the end face of the buffer part (5301); the lantern ring (5303) is sleeved on the buffer shaft (5302), and the end face of the lantern ring is fixedly connected with the buffer part (5301);

the second spring (550) is sleeved on the buffer shaft (5302); one end of the sleeve is fixedly connected with the lantern ring (5303), and the other end of the sleeve is fixedly connected with the inner end face of the second sleeve (540);

the first sleeve (520) is horizontally arranged, the diameter of the first sleeve is smaller than that of the second sleeve (540), the first sleeve is sleeved on the second spring (550), one end of the first sleeve is fixedly connected with the end face of the sleeve ring (5303), and the other end of the first sleeve is located in the second sleeve (540).

4. The tool box door turnover device according to claim 3, wherein said buffer mechanism (5) further comprises a buffer block (510); the buffer block (510) is sleeved on the buffer part (5301) and the lantern ring (5303) and is in interference fit with the buffer part (5301) and the lantern ring (5303), and the outer end of the buffer block is opposite to the supporting part (211) and is in contact with the supporting part (211); the buffer block (510) is made of rubber.

5. The tool box door flipping device of claim 3, wherein the collar is made of an elastic material.

6. The tool box door turnover device according to claim 3, wherein the inner end of the second sleeve (540) is provided with a spring block (5401), and two ends of the spring block (5401) are fixedly connected with the second sleeve (540) and the second spring (550), respectively.

7. The tool box door turning device according to claim 1, wherein the secondary hinge (21) is made of spring steel.

8. The tool box door turnover device according to claim 7, wherein a plurality of hollowed-out protrusions are provided on a surface of the supporting portion (211) opposite to the buffer mechanism (5).

9. The tool box door turnover device according to claim 1, further comprising a limiting mechanism (3); the limiting mechanism comprises an L-shaped plate (31), a pull rod (32), a second pin shaft (33) and a sliding rail (34);

one end face of the L-shaped plate is fixedly connected with the lower end face of the upper box cover (1), and the other end face of the L-shaped plate is hinged with one end of the pull rod (32);

the sliding rail (34) is horizontally arranged, fixed on the lower box body (4) and provided with a horizontal sliding groove; two ends of the sliding groove are provided with limiting grooves, and a sliding sleeve (35) is arranged in the sliding groove;

and the second pin shaft (33) penetrates through the sliding sleeve (35) and is connected with the other end of the pull rod (32).

10. A tool box comprising the tool box door flipping device of any one of claims 1 to 9.

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