Embedded type primary-secondary trolley

Abstract

The utility model discloses an inlay style child-mother trolley relates to logistics operation technical field, wherein the inlay style child-mother trolley includes mother trolley, child trolley and linkage mechanism, mother trolley includes first frame, child trolley includes second frame, first frame is equipped with the holding chamber that is used for holding second frame, linkage mechanism includes clamping piece, and the first frame is equipped with the holding chamber that is used for holding second frame. The clamping part comprises a clamping part and a rotating part which are connected with each other, the rotating part is rotatably mounted on the first frame, the clamping part comprises a clamping position and an avoiding position, the clamping part can reciprocate between the clamping position and the avoiding position, and when the clamping part is located at the clamping position, the rotating part rotates around the clamping part; and the clamping part can be clamped and matched with the second frame in the accommodating cavity to limit the second frame from leaving the accommodating cavity from the access. According to the technical scheme, collaborative operation of the child trolley and the mother trolley can be achieved without pushing the child trolley onto the mother trolley, manpower and time cost can be saved, and the probability that the child trolley turns over and collides objects can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of logistics operation, especially relates to a mosaic formula child -parent trolley. BACKGROUND

[0002] As a kind of efficient transport tool, child-parent trolley is widely used in material handling, production line connection and warehouse turnover scene etc. However, the existing child-parent trolley operation process is time-consuming and labor-consuming, and often overturn, bumping articles and other safety problems occur. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of mosaic formula child-parent trolleys, to solve the problems of time-consuming and labor-consuming in the operation process of child-parent trolley in prior art, and prone to overturn, bumping articles.

[0004] To achieve the above object, the mosaic formula child-parent trolley provided by the utility model comprises:

[0005] Parent trolley, the parent trolley includes first frame;

[0006] Child trolley, the child trolley includes second frame, the first frame is opened with the accommodating cavity for accommodating the second frame, the first frame also includes the import and export that communicates the accommodating cavity, to enable the second frame can pass through the import and export in and out the accommodating cavity;

[0007] Linkage mechanism, the linkage mechanism includes clamping piece, the clamping piece includes clamping portion and rotating portion that are connected with each other, the rotating portion rotatably installed on the first frame, the clamping portion includes clamping position and avoiding position, the clamping portion can reciprocate between the clamping position and the avoiding position, the clamping portion is located in the avoiding position, to enable the second frame can pass through the import and export and enter the accommodating cavity;The clamping portion is located in the clamping position, the clamping portion can be clamped with the second frame in the accommodating cavity to limit the second frame from the import and export and leave the accommodating cavity.

[0008] In an embodiment, the clamping piece also includes pedal, the pedal is connected with the rotating portion, to enable the pedal can be driven by the rotating portion and the clamping portion is moved from the clamping position to the avoiding position.

[0009] In an embodiment, the clamping portion is provided with clamping groove, to enable the second frame in the accommodating cavity can be clamped in the clamping groove.

[0010] In an embodiment, the linkage mechanism further comprises a positioning member and a positioning rod, the positioning rod is connected with the rotating part, the positioning member is rotatably installed on the first frame, the positioning member comprises a limiting position and a disengaging position, the positioning member is capable of reciprocating between the limiting position and the disengaging position, the positioning member is provided with a positioning slot, when the positioning member is at the disengaging position, the positioning rod is capable of entering and exiting the positioning slot; when the positioning member is at the limiting position, the clamping part is at the avoiding position, the positioning member is capable of limiting the positioning rod from disengaging from the positioning slot.

[0011] In an embodiment, the linkage mechanism further comprises a pushing rod and a force transmission plate, one end of the pushing rod is connected with the force transmission plate, the other end of the pushing rod is connected with the positioning member, so that the force transmission plate is capable of driving the positioning member to move from the limiting position to the disengaging position through the pushing rod.

[0012] In an embodiment, the number of linkage mechanisms is at least two.

[0013] In an embodiment, the inlaid sub-trolley further comprises a first limiting member and a second limiting member, the first limiting member and the second limiting member are both arranged on the first frame, the first limiting member and the second limiting member are distributed on both sides of the rotating part along the rotating direction of the rotating part.

[0014] In an embodiment, the sub-trolley further comprises a material limiting rack, the material limiting rack comprises a support and a plurality of horizontal rods, the support is arranged on the top surface of the second frame and extends in a direction perpendicular to the top surface of the second frame, the plurality of horizontal rods are arranged on the support at intervals, and the plurality of horizontal rods extend in a direction in which the second frame enters and exits the accommodating cavity.

[0015] In an embodiment, the inlaid sub-trolley further comprises a noise reduction rubber strip, the noise reduction rubber strip is arranged on the inner wall of the accommodating cavity and extends in the circumferential direction of the accommodating cavity.

[0016] In an embodiment, the main trolley further comprises a plurality of first rollers, the plurality of first rollers are arranged on the bottom surface of the first frame.

[0017] In an embodiment, the sub-trolley further comprises a plurality of second rollers, the plurality of second rollers are arranged on the bottom surface of the second frame.

[0018] The technical scheme of the utility model discloses a containing cavity for containing the second frame is arranged on the first frame, the second frame can enter and exit the containing cavity through the import and export of the containing cavity, and the linkage mechanism is arranged, the clamping part of the linkage mechanism can reciprocate between the clamping position and the avoiding position, when the clamping part is located at the avoiding position, the second frame can enter the containing cavity through the import and export, when the clamping part is located at the clamping position, the clamping part can be clamped and matched with the second frame in the containing cavity to limit the second frame from leaving the containing cavity through the import and export, the technical scheme can realize the cooperative operation of the child trolley and the parent trolley without pushing the child trolley on the parent trolley, the operation is simple, which is beneficial to saving manpower and time cost, improving the logistics operation efficiency, and effectively reducing the probability of safety problems such as child trolley overturning and article damage, thereby ensuring the safety of the logistics operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0020] Figure 1 The utility model provides the whole structure schematic diagram of a embodiment of inlay type child parent trolley;

[0021] Figure 2 For Figure 1 The local enlarged view of A in the middle;

[0022] Figure 3 The linkage mechanism structure schematic diagram of a embodiment of inlay type child parent trolley provided by the utility model;

[0023] Figure 4 The child trolley structure schematic diagram of a embodiment of inlay type child parent trolley provided by the utility model;

[0024] Figure 5 The parent trolley structure schematic diagram of a embodiment of inlay type child parent trolley provided by the utility model.

[0025] EXPLANATION OF DRAWINGS:

[0026] 100, mosaic sub-trolley; 1, trolley; 11, first frame; 111, accommodating cavity; 112, import and export; 12, first roller; 2, sub-trolley; 21, second frame; 22, thing limiting frame; 221, support; 222, cross bar; 23, second roller; 3, linkage mechanism; 31, clamping piece; 311, clamping part; 3111, clamping groove; 312, rotating part; 313, pedal; 32, positioning piece; 321, positioning groove; 33, positioning rod; 34, push rod; 35, force transmission plate; 4, first limiting piece; 5, second limiting piece; 6, noise reduction rubber strip.

[0027] The realization, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0030] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B simultaneously satisfying the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0031] The sub-mother trolley is widely used in material handling, production line connection and warehouse turnover, etc. However, the existing sub-mother trolley operation process is time-consuming and laborious, and safety problems such as overturning and bumping of goods often occur.

[0032] The inventor found that the sub-mother trolley includes a sub-trolley and a mother trolley, and a slope plate is arranged in the frame of the mother trolley. During the logistics operation of transferring goods, the sub-trolley loaded with goods is usually pushed onto the mother trolley through the slope plate. This operation process is not only time-consuming and laborious, but also may cause safety problems such as overturning of the sub-trolley and bumping of goods on the sub-trolley if the operation is not proper.

[0033] In order to solve the technical problem, the utility model provides a mosaic type sub-mother trolley.

[0034] Please refer to Figure 1 In an embodiment of the utility model, the mosaic type sub-mother trolley 100 includes a mother trolley 1, a sub-trolley 2 and a linkage mechanism 3, wherein, please refer to Figure 1 and Figure 5 The mother trolley 1 includes a first frame 11, and the sub-trolley 2 includes a second frame 21. The first frame 11 is provided with a containing cavity 111 for containing the second frame 21. The first frame 11 further includes an inlet and outlet 112 communicating with the containing cavity 111, so that the second frame 21 can enter and exit the containing cavity 111 through the inlet and outlet 112. Please refer to Figures 1 to 3 and Figure 5 The linkage mechanism 3 includes a clamping piece 31, and the clamping piece 31 includes a clamping part 311 and a rotating part 312 connected with each other. The rotating part 312 is rotatably installed on the first frame 11. Specifically, the rotating part 312 can be installed on the first frame 11 through a bearing, or can be installed on the first frame 11 through a bolt or a pin shaft, which is not limited here. The clamping part 311 includes a clamping position and an avoiding position. The clamping part 311 can reciprocate between the clamping position and the avoiding position. When the clamping part 311 is located at the avoiding position, the second frame 21 can enter the containing cavity 111 through the inlet and outlet 112. When the clamping part 311 is located at the clamping position, the clamping part 311 can be clamped and matched with the second frame 21 in the containing cavity 111 to limit the second frame 21 from leaving the containing cavity 111 through the inlet and outlet 112.

[0035] The technical scheme of the utility model discloses the accommodating cavity 111 of accommodating the second frame 21 is set up in the first frame 11, the second frame 21 can enter and exit the accommodating cavity 111 through the import and export 112 of the accommodating cavity 111, and the linkage mechanism 3 is arranged, the clamping portion 311 of the linkage mechanism 3 can reciprocate between the clamping position and the avoiding position, when the clamping portion 311 is located at the avoiding position, the second frame 21 can enter the accommodating cavity 111 through the import and export 112, when the clamping portion 311 is located at the clamping position, the clamping portion 311 can be clamped with the second frame 21 in the accommodating cavity 111 to limit the second frame 21 from leaving the accommodating cavity 111 from the import and export 112, the technical scheme can realize the cooperative operation of the sub-trolley 2 and the parent trolley 1 without pushing the sub-trolley 2 on the parent trolley 1, and the operation is simple, which is beneficial to saving manpower and time cost, improving the logistics operation efficiency, can effectively reduce the occurrence probability of safety problems such as the overturning of the sub-trolley 2 and the collision of articles, and thus ensures the safety of the logistics operation.

[0036] In an embodiment, referring to Figure 2 and Figure 3 The clamping member 31 further comprises a pedal 313 connected with the rotating portion 312, and an operator can make the rotating portion 312 drive the clamping portion 311 to move from the clamping position to the avoiding position by stepping on the pedal 313 with the foot, which is beneficial to saving manpower and improving the operation efficiency.

[0037] In an embodiment, referring to Figure 2 and Figure 3 The clamping portion 311 is provided with a clamping groove 3111, so that the second frame 21 in the accommodating cavity 111 can be clamped in the clamping groove 3111, the stability of the cooperation between the second frame 21 and the first frame 11 is improved, and the second frame 21 is further limited to leave the accommodating cavity 111 from the import and export 112.

[0038] In an embodiment, the clamping portion 311 is provided with a clamping claw, which is clamped with the second frame 21 in the accommodating cavity 111, so as to limit the second frame 21.

[0039] In an embodiment, referring to Figure 2 and Figure 3The linkage mechanism 3 further comprises a positioning member 32 and a positioning rod 33, the positioning rod 33 is connected with the rotating part 312, and the positioning member 32 is rotatably installed on the first frame 11. Specifically, the positioning member 32 is rotatably installed on the first frame 11 by means of hinging, bolt connection or the like, which is not limited herein. The positioning member 32 comprises a limiting position and a disengaging position, and the positioning member 32 is capable of reciprocating between the limiting position and the disengaging position. The positioning member 32 is provided with a positioning groove 321, and when the positioning member 32 is at the disengaging position, the positioning rod 33 is capable of entering and exiting the positioning groove 321. When the positioning member 32 is at the limiting position, the positioning member 32 is capable of limiting the positioning rod 33 from disengaging from the positioning groove 321, thereby limiting the clamping part 311 from leaving the avoiding position.

[0040] In an embodiment, please refer to Figure 3 The linkage mechanism 3 further comprises a push rod 34 and a force transmission plate 35, one end of the push rod 34 is connected with the force transmission plate 35, and the other end of the push rod 34 is connected with the positioning member 32. An operator can step on the force transmission plate 35 with his foot, so as to drive the push rod 34 to move the positioning member 32 from the limiting position to the disengaging position, thereby saving manpower and improving operation efficiency.

[0041] As a specific embodiment of the above embodiment, please refer to Figure 1 , Figure 3 and Figure 5 An operator steps on the pedal 313 with his foot, so as to drive the rotating part 312 to rotate the clamping part 311 from the clamping position to the avoiding position, and simultaneously drive the rotating part 312 to press the positioning rod 33 against the positioning member 32, so as to force the positioning member 32 to rotate from the positioning rod 33 to the disengaging position, thereby enabling the positioning rod 33 to slide into the positioning groove 321 along the positioning member 32. Subsequently, the positioning member 32 rotates from the disengaging position to the limiting position under the action of gravity, thereby limiting the positioning rod 33 from disengaging from the positioning groove 321, and limiting the clamping part 311 from leaving the avoiding position. At this time, the sub-trolley 2 can be pushed into the accommodating cavity 111. Then, the operator steps on the force transmission plate 35, so as to drive the push rod 34 to rotate the positioning member 32 from the limiting position to the disengaging position, thereby enabling the positioning groove 321 to disengage from the positioning rod 33. The clamping part 311 is capable of rotating from the avoiding position to the clamping position under the action of gravity, thereby enabling the clamping part 311 to be clamped and matched with the second frame 21 located in the accommodating cavity 111, thereby limiting the second frame 21 from leaving the accommodating cavity 111 from the entrance and exit 112. Simultaneously, the positioning member 32 rotates from the disengaging position to the positioning rod 33 under the action of gravity, and finally abuts against the positioning rod 33.

[0042] In an embodiment, please refer to Figure 1 , Figure 2 and Figure 5The number of linkage mechanisms 3 is at least two, and the number of linkage mechanisms 3 can be two or more, which is not limited herein. Specifically, two linkage mechanisms 3 are distributed on both sides of the inlet and outlet 112 of the accommodating cavity 111, so as to increase the clamping limiting force of the second frame 21 in the accommodating cavity 111, thereby improving the stability of the second frame 21 in the accommodating cavity 111 and the first frame 11.

[0043] In an embodiment, referring to Figure 2 and Figure 3 The embedded sub-trolley 100 further comprises a first limiting piece 4 and a second limiting piece 5, both of which are arranged on the first frame 11. Specifically, the first limiting piece 4 and the second limiting piece 5 can be fixedly installed on the first frame 11 by welding, insertion, riveting or the like, which is not limited herein. The first limiting piece 4 and the second limiting piece 5 are distributed on both sides of the rotating part 312 along the rotating direction of the rotating part 312, so as to limit the rotating range of the rotating part 312. Specifically, the first limiting piece 4 can limit the rotating angle of the rotating part 312 when the clamping part 311 moves from the avoiding position to the clamping position, so as to prevent the rotating angle from being too large and causing the clamping part 311 to excessively collide with the second frame 21, thereby affecting the fitting degree of the clamping part 311 and the second frame 21. The second limiting piece 5 can limit the rotating angle of the rotating part 312 when the clamping part 311 moves from the clamping position to the avoiding position, so as to prevent the rotating angle from being too large and causing the clamping part 311 to overturn along the rotating part 312 and collide with the first frame 11 or even injure the operator, thereby improving the safety of the operation process. The first limiting piece 4 and the second limiting piece 5 can be limiting columns or limiting blocks, which is not limited herein.

[0044] In an embodiment, referring to Figure 4 and Figure 5 The sub-trolley 2 further comprises a limiting rack 22, which can limit the articles placed on the second frame 21 during transportation. This not only reduces the risk of articles falling off the second frame 21 due to shaking, but also accommodates more articles, thereby improving the accommodation rate of the sub-trolley 2. Specifically, the limiting rack 22 comprises a support 221 and a plurality of crossbars 222. The support 221 is arranged on the top surface of the second frame 21 by welding, bolt connection or riveting, which is not limited herein. The support 221 extends in a direction perpendicular to the top surface of the second frame 21. The plurality of crossbars 222 are arranged on the support 221 by welding, bolt connection or riveting, which is not limited herein. The plurality of crossbars 222 extend in a direction perpendicular to the advancing direction of the second frame 21, thereby better limiting the articles on the second frame 21 and reducing the risk of articles falling off the second frame 21 due to inertia.

[0045] In an embodiment, referring to Figure 4 and Figure 5 , the mosaic child trolley 100 further comprises a noise reduction rubber strip 6, which is arranged on the inner wall of the accommodating cavity 111 and extends along the circumference of the accommodating cavity 111. Specifically, the noise reduction rubber strip 6 can be made of polyurethane material, or can be made of rubber, silicone or other materials, which is not limited here. By arranging the noise reduction rubber strip 6, it is beneficial to reduce the noise generated by the friction between the second frame 21 and the inner wall of the accommodating cavity 111 when the second frame 21 enters or exits the accommodating cavity 111, and it is also beneficial to reduce the wear degree of the second frame 21 and the inner wall of the accommodating cavity 111, thereby improving the durability of the first frame 11 and the second frame 21.

[0046] In an embodiment, referring to Figure 1 and Figure 5 , the mother trolley 1 further comprises a plurality of first rollers 12, which are arranged on the bottom surface of the first frame 11. Specifically, the mother trolley 1 can be provided with four first rollers 12, which can be respectively mounted on the bottom surface of the first frame 11 by means of bolts, magnetic attraction, adhesion or the like, which is not limited here. Among them, the two first rollers 12 at the front end of the mother trolley 1 can be universal wheels, which are convenient for steering and driving the mother trolley 1, and the two first rollers 12 at the tail end of the mother trolley 1 can be directional wheels, which are convenient for fixing the mother trolley 1 in place when stopping conveying.

[0047] In an embodiment, referring to Figure 1 and Figure 4 , the child trolley 2 further comprises a plurality of second rollers 23, which are arranged on the bottom surface of the second frame 21 and are convenient for the child trolley 2 to enter or exit the accommodating cavity 111. Specifically, the child trolley 2 can be provided with four second rollers 23, which can be respectively mounted on the bottom surface of the second frame 21 by means of bolts, magnetic attraction, adhesion or the like, which is not limited here.

[0048] The above-mentioned is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the contents of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A mosaic sub- superstructure trolley, characterized in that, The mosaic sub-mother trolley further comprises a first limiting piece and a second limiting piece, the first limiting piece and the second limiting piece are both arranged on the first trolley, and the first limiting piece and the second limiting piece are distributed on both sides of the rotating part along the rotating direction of the rotating part. The sub-trolley further comprises a limiting frame, the limiting frame comprises a support and a cross bar, the support is arranged on the top surface of the second trolley and extends in a direction perpendicular to the top surface of the second trolley, and the number of the cross bar is plural, the plural cross bars are arranged on the support at intervals, and the plural cross bars extend in the direction in which the second trolley enters or exits the accommodating cavity. The mosaic sub-mother trolley further comprises a noise reduction rubber strip, the noise reduction rubber strip is arranged on the inner wall of the accommodating cavity and extends in the circumferential direction of the accommodating cavity. The mother trolley further comprises a plurality of first rollers, and the plurality of first rollers are arranged on the bottom surface of the first trolley.

2. The nested trolley of claim 1, wherein, The mosaic sub-mother trolley further comprises a noise reduction rubber strip, the noise reduction rubber strip is arranged on the inner wall of the accommodating cavity and extends in the circumferential direction of the accommodating cavity.

3. The nested trolley of claim 2, wherein, The mother trolley further comprises a plurality of first rollers, and the plurality of first rollers are arranged on the bottom surface of the first trolley.

4. The nested trolley of claim 1, wherein, ​ 5. The nested trolley of claim 4, wherein, ​ 6. The nested trolley of any one of claims 1 to 5, wherein, ​ 7. The nested trolley of any one of claims 1 to 5, wherein, ​ 8. The nested trolley of any one of claims 1 to 5, wherein, ​ 9. The nested trolley of any one of claims 1 to 5, wherein, ​ 10. The nested trolley of any one of claims 1 to 5, wherein, ​ And / or, the sub-trolley further comprises a plurality of second rollers, and the plurality of second rollers are arranged on the bottom surface of the second trolley frame.

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