阅读说明：本技术 一种具有安全保护功能的推车 (Shallow with safety protection function ) 是由 卞荣明 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种具有安全保护功能的推车,包括机身,所述机身上侧设有封闭机构,所述封闭机构包括固定在所述机身上端面的两个固定块与两个连接块,所述机身右侧设有减速机构,所述减速机构包括固定在所述机身右端面的横杆,所述横杆上端面设有开口向上的移动槽,所述机身内设有转动机构,所述转动机构包括设置在所述机身左端面的检测槽,所述检测槽内能够左右移动设有检测块,本装置在不使用时,能够自动对轮胎进行锁定,使得本装置不会乱动,对人造成伤害,且本装置在放置物品时,能够对物品进行固定,防止物品掉落,当人使用时,不小心脱手,本装置也能够自动对轮胎进行锁定。(The invention discloses a trolley with a safety protection function, which comprises a trolley body, wherein a sealing mechanism is arranged on the upper side of the trolley body, the sealing mechanism comprises two fixed blocks and two connecting blocks which are fixed on the upper end surface of the machine body, the right side of the machine body is provided with a speed reducing mechanism, the speed reducing mechanism comprises a cross rod fixed on the right end surface of the machine body, the upper end surface of the cross rod is provided with a moving groove with an upward opening, the machine body is internally provided with a rotating mechanism, the rotating mechanism comprises a detection groove arranged on the left end surface of the machine body, the detection groove is internally provided with a detection block which can move left and right, when the device is not used, the device can automatically lock the tire, so that the device can not move randomly, the pair of wheels can be damaged by people, the pair of wheels can be fixed by the device when the articles are placed, the articles are prevented from falling off, hands of people are carelessly taken off when the pair of wheels is used, and the pair of wheels can be automatically locked by the device.)

1. The utility model provides a shallow with safety protection function, includes the fuselage, its characterized in that: the upper side of the machine body is provided with a sealing mechanism, the sealing mechanism comprises two fixed blocks and two connecting blocks, the two fixed blocks and the two connecting blocks are fixed on the upper end surface of the machine body, a transverse shaft is rotatably arranged between the right end surface of each fixed block and the left end surface of each connecting block, a cover plate is fixedly arranged on the transverse shaft, a rope coiling cavity is arranged in each connecting block, the transverse shaft is rotatably arranged in the rope coiling cavity, and a reset torsion spring is arranged between the transverse shaft and the inner wall of the left side of the; the right side of the machine body is provided with a speed reducing mechanism, the speed reducing mechanism comprises a cross rod fixed on the right end face of the machine body, the upper end face of the cross rod is provided with a moving groove with an upward opening, a moving block can move up and down in the moving groove, a telescopic spring is connected between the lower end face of the moving block and the inner wall of the lower side of the moving groove, and the lower end face of the moving block is connected with a pull rope; be equipped with slewing mechanism in the fuselage, slewing mechanism is including setting up the detection groove of fuselage left end face, it is equipped with the detection piece to remove about can detecting the inslot, it is connected with the string to detect piece right-hand member face, detect piece right-hand member face with it is connected with coupling spring to detect between the groove right side inner wall, fuselage left end face is equipped with puts the thing chamber, it is equipped with the axis of rotation to put thing chamber rear side inner wall rotation, be connected with in the axis of rotation the string, the fixed dwang that is equipped with in the axis of rotation, be equipped with the sliding tray in the dwang, can reciprocate in the sliding tray and be equipped with.

2. The trolley with safety protection function as claimed in claim 1, wherein: the fixed piece of placing that is equipped with of terminal surface under the fuselage, place the piece down the terminal surface and be equipped with the decurrent groove of erectting of opening, it is equipped with the thin wire groove to erect groove right side inner wall, it can reciprocate in the groove and be equipped with the montant to erect, the fixed perpendicular rack that is equipped with of montant right-hand member face, the montant up end with erect and be connected with reset spring between the groove upside inner wall, thin wire groove rear side inner wall rotates and is equipped with the spool, backward forward fixed contact gear and the reel of being equipped with in proper order on the spool, around there being the fine rule on the reel, be equipped with in.

3. The trolley with safety protection function as claimed in claim 1, wherein: two connecting plates are symmetrically and fixedly arranged in front of and behind the lower end surface of the machine body, friction cavities are arranged in the two connecting plates, a connecting shaft is rotatably arranged between the two connecting plates, a tyre is fixedly arranged on the connecting shaft, two friction wheels are fixedly arranged on the connecting shaft, a sliding groove is arranged on the inner wall of the friction cavity far away from the tyre, a slide bar is arranged in the slide groove and can move up and down, a pull rope is connected with the upper end surface of the slide bar, transmission racks are fixedly arranged on the left end surface and the right end surface of the slide bar, the inner wall of the friction cavity far away from the tire is rotatably provided with two transmission shafts, the transmission shafts are fixedly provided with transmission gears, a connecting arm is fixedly arranged on the transmission gear, a transmission arm is fixedly arranged on the connecting arm, a transmission plate is fixedly arranged on the transmission arm, and a friction plate is fixedly arranged on the transmission plate, and the friction plate can prevent the friction wheel from rotating.

4. A trolley with safety protection function as claimed in claim 3, characterized in that: the terminal surface of driving plate with be connected with contact spring between the inner wall of sliding tray, another terminal surface of driving plate is fixed and is equipped with the connecting rod, the fixed movable plate that is equipped with of terminal surface of connecting rod, the fixed clutch blocks that is equipped with of terminal surface of movable plate, can make after the clutch blocks and ground contact the fuselage can not remove left.

5. The trolley with safety protection function as claimed in claim 1, wherein: the elastic force of the extension spring is greater than the gravity of the sliding rod.

Technical Field

The invention relates to the field of engineering carts, in particular to a cart with a safety protection function.

Background

The engineering cart can transport a lot of building materials on the industrial site, but the general cart does not have the function of safety protection, when the engineering cart is used on the ground with a certain gradient, certain potential safety hazards exist, and the general cart cannot automatically fix placed objects and is easy to fall off during transportation.

Disclosure of Invention

The invention aims to provide a trolley with a safety protection function, and solves the problems that a common trolley is easy to slide on a slope, and articles fall off when being conveyed.

The invention is realized by the following technical scheme.

The trolley with the safety protection function comprises a trolley body, wherein a sealing mechanism is arranged on the upper side of the trolley body, the sealing mechanism comprises two fixed blocks and two connecting blocks, the two fixed blocks and the two connecting blocks are fixed on the upper end surface of the trolley body, a cross shaft is rotatably arranged between the right end surface of each fixed block and the left end surface of each connecting block, a cover plate is fixedly arranged on each cross shaft, a rope coiling cavity is arranged in each connecting block, the cross shaft is rotatably arranged in each rope coiling cavity, and a reset torsion spring is arranged between each cross shaft and the inner wall on the left side of each rope coiling cavity; the right side of the machine body is provided with a speed reducing mechanism, the speed reducing mechanism comprises a cross rod fixed on the right end face of the machine body, the upper end face of the cross rod is provided with a moving groove with an upward opening, a moving block can move up and down in the moving groove, a telescopic spring is connected between the lower end face of the moving block and the inner wall of the lower side of the moving groove, and the lower end face of the moving block is connected with a pull rope; be equipped with slewing mechanism in the fuselage, slewing mechanism is including setting up the detection groove of fuselage left end face, it is equipped with the detection piece to remove about can detecting the inslot, it is connected with the string to detect piece right-hand member face, detect piece right-hand member face with it is connected with coupling spring to detect between the groove right side inner wall, fuselage left end face is equipped with puts the thing chamber, it is equipped with the axis of rotation to put thing chamber rear side inner wall rotation, be connected with in the axis of rotation the string, the fixed dwang that is equipped with in the axis of rotation, be equipped with the sliding tray in the dwang, can reciprocate in the sliding tray and be equipped with.

Preferably, the fixed piece of placing that is equipped with of terminal surface under the fuselage, place the piece under the terminal surface be equipped with the decurrent groove of erectting of opening, it is equipped with the thin wire groove to erect groove right side inner wall, it can reciprocate in the groove and be equipped with the montant to erect, the fixed perpendicular rack that is equipped with of montant right-hand member face, the montant up end with erect and be connected with reset spring between the groove upside inner wall, thin wire groove rear side inner wall rotates and is equipped with the spool, backward forward fixed contact gear and the reel of being equipped with in proper order on the spool, around there being the thin rule on the reel, be equipped with in the fuselage.

Preferably, two connecting plates are symmetrically and fixedly arranged in front and back of the lower end surface of the machine body, friction cavities are arranged in the two connecting plates, a connecting shaft is rotatably arranged between the two connecting plates, a tyre is fixedly arranged on the connecting shaft, two friction wheels are fixedly arranged on the connecting shaft, a sliding groove is arranged on the inner wall of the friction cavity far away from the tyre, a slide bar is arranged in the slide groove and can move up and down, a pull rope is connected with the upper end surface of the slide bar, transmission racks are fixedly arranged on the left end surface and the right end surface of the slide bar, the inner wall of the friction cavity far away from the tire is rotatably provided with two transmission shafts, the transmission shafts are fixedly provided with transmission gears, a connecting arm is fixedly arranged on the transmission gear, a transmission arm is fixedly arranged on the connecting arm, a transmission plate is fixedly arranged on the transmission arm, and a friction plate is fixedly arranged on the transmission plate, and the friction plate can prevent the friction wheel from rotating.

Preferably, the terminal surface of driving plate with be connected with the contact spring between the inner wall of sliding tray, another terminal surface of driving plate is fixed and is equipped with the connecting rod, the fixed movable plate that is equipped with of terminal surface of connecting rod, the terminal surface of movable plate is fixed and is equipped with the clutch blocks, can make after the clutch blocks and ground contact the fuselage can not remove left.

Preferably, the elastic force of the extension spring is greater than the gravity of the slide bar.

The invention has the beneficial effects that: this device can lock the tire automatically when not using for this device can not be disorderly moved, causes the injury to the people, and this device when placing article, can fix article, prevents that article from dropping, and when the people used, carelessly takes off the hand, and this device also can lock the tire automatically.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a schematic view of the direction B-B in FIG. 1;

FIG. 4 is a schematic view in the direction C-C of FIG. 1;

fig. 5 is a schematic view of the direction D-D in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The cart with the safety protection function, which is described in conjunction with fig. 1-5, includes a body 28, a closing mechanism 70 is arranged on the upper side of the body 28, the closing mechanism 70 includes two fixed blocks 18 fixed on the upper end surface of the body 28 and two connecting blocks 22, a cross shaft 19 is rotatably arranged between the right end surface of the fixed block 18 and the left end surface of the connecting block 22, a cover plate 20 is fixedly arranged on the cross shaft 19, a rope winding cavity 50 is arranged in the connecting block 22, the cross shaft 19 is rotatably arranged in the rope winding cavity 50, and a reset torsion spring 48 is arranged between the cross shaft 19 and the inner wall of the left side of the rope winding cavity 50; a speed reducing mechanism 71 is arranged on the right side of the machine body 28, the speed reducing mechanism 71 comprises a cross rod 23 fixed on the right end face of the machine body 28, a moving groove 25 with an upward opening is formed in the upper end face of the cross rod 23, a moving block 24 is arranged in the moving groove 25 and can move up and down, a telescopic spring 27 is connected between the lower end face of the moving block 24 and the inner wall of the lower side of the moving groove 25, and a pull rope 26 is connected to the lower end face of the moving block 24; be equipped with slewing mechanism 72 in the fuselage 28, slewing mechanism 72 is including setting up the detection groove 37 of the 28 left end face of fuselage, can remove about in the detection groove 37 and be equipped with detection piece 17, it is connected with string 15 to detect 17 right-hand members face, detect 17 right-hand members face with it is connected with coupling spring 16 to detect between the inner wall of groove 37 right side, the 28 left end face of fuselage is equipped with puts thing chamber 36, it is equipped with axis of rotation 13 to put 36 rear side inner walls in thing chamber, be connected with in the axis of rotation 13 string 15, the fixed dwang 14 that is equipped with in the axis of rotation 13, be equipped with sliding tray 34 in the dwang 14, can reciprocate in the sliding tray 34 and be equipped with driving plate 12.

Beneficially, the fixed piece 29 that is equipped with of terminal surface under the fuselage 28, it is equipped with the decurrent perpendicular groove 41 of opening to place terminal surface under the piece 29, it is equipped with thin wire groove 45 to erect 41 right side inner walls in groove, it is equipped with montant 40 to can reciprocate in the groove 41 to erect, the fixed vertical rack 38 that is equipped with of montant 40 right-hand member face, montant 40 up end with it is connected with reset spring 42 to erect between 41 upside inner walls in groove, thin wire groove 45 rear side inner wall rotates and is equipped with spool 47, it is equipped with contact gear 44 and reel 46 to fix in proper order from the back on the spool 47, around there being fine rule 43 on the reel 46, be equipped with in the fuselage 28 and place chamber 21.

Beneficially, the front and back of the lower end face of the machine body 28 are symmetrically and fixedly provided with two connecting plates 30, two friction cavities 54 are arranged in the connecting plates 30, two connecting plates 30 are rotatably provided with connecting shafts 32, tires 31 are fixedly provided on the connecting shafts 32, two friction wheels 51 are fixedly provided on the connecting shafts 32, the inner walls of the friction cavities 54 far away from the tires 31 are provided with sliding chutes 60, sliding chutes 60 are internally provided with sliding rods 61 capable of moving up and down, the upper end faces of the sliding rods 61 are connected with pull ropes 26, the left end faces and the right end faces of the sliding rods 61 are fixedly provided with driving racks 59, the inner walls of the friction cavities 54 far away from the tires 31 are rotatably provided with two transmission shafts 57, transmission gears 58 are fixedly provided on the transmission shafts 57, connecting arms 56 are fixedly provided on the transmission gears 58, transmission arms 55 are fixedly provided on the connecting arms 56, the transmission plate 53 is fixedly provided with a friction plate 52, and the friction plate 52 can prevent the friction wheel 51 from rotating.

Beneficially, a contact spring 35 is connected between an end surface of the driving plate 12 and an inner wall of the sliding groove 34, a connecting rod 11 is fixedly arranged on the other end surface of the driving plate 12, a moving plate 33 is fixedly arranged on an end surface of the connecting rod 11, a friction block 10 is fixedly arranged on an end surface of the moving plate 33, and the friction block 10 can not move leftwards after contacting with the ground.

Advantageously, the elastic force of the extension spring 27 is greater than the weight of the slide bar 61.

In the initial state, the return torsion spring 48, the return spring 42, and the connecting spring 16 are in the normal state.

In an operating state, when the machine body 28 is placed on the ground, the vertical rod 40 moves upwards, the vertical rod 40 drives the vertical rack 38 to move upwards, the vertical rack 38 is meshed with the contact gear 44 to rotate, the contact gear 44 drives the reel 46 to rotate through the winding shaft 47, the reel 46 drives the reel wheel 49 to rotate through the thin wire 43, the reel wheel 49 drives the transverse shaft 19 to rotate, the transverse shaft 19 drives the cover plate 20 to rotate, the cover plate 20 is opened in a rotating mode, so that an article can be placed in the placing cavity 21, when a constructor holds the moving block 24 to move downwards, the pull rope 26 is loosened, the sliding rod 61 moves downwards under the self gravity, the sliding rod 61 drives the transmission rack 59 to move downwards, the transmission rack 59 is meshed with the transmission gear 58 to rotate, the transmission gear 58 drives the connecting arm 56 to rotate through the transmission shaft 57, the connecting arm 56 drives the transmission arm 55 to rotate, the transmission arm 55, the friction plate 52 rotates to be far away from the friction wheel 51, at the moment, the friction wheel 51 can rotate, namely the connecting shaft 32 can rotate, when the detection block 17 touches, the detection block 17 moves rightwards, the string 15 is loosened, the rotating shaft 13 rotates, the rotating shaft 13 drives the rotating rod 14 to rotate, after the rotating rod 14 rotates, the contact spring 35 pushes the transmission plate 12 to be far away from the rotating shaft 13, the connecting rod 11 moves along with the rotating shaft 13, the connecting rod 11 drives the moving plate 33 to move, the moving plate 33 drives the friction block 10 to move, and the friction block 10 is in contact with the ground, so that the trolley cannot move.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.