CN212828506U - Handcart for building engineering - Google Patents

Abstract

The utility model provides a handcart for building engineering relates to the building engineering field. It includes: the push-pull assembly comprises a U-shaped rod. The U-shaped rod is used as a push-pull assembly, so that a worker can push the vehicle body and pull the vehicle body, and the use habit of the worker is facilitated. U type pole both ends respectively with the side hinged joint of automobile body, and U type pole can rotate automobile body front end and rear end, this kind of hinged joint mode can make U type pole free rotation to automobile body front end and rear end, when needing to transfer the automobile body direction, can directly rotate U type pole, to the party of needs, the automobile body direction has changed this moment, need not consume a large amount of physical stamina and go the manual work and rotate the automobile body, time of having practiced thrift and physical power. A locking assembly is arranged between the U-shaped rod and the vehicle body, and the locking assembly can fix the U-shaped rod on the vehicle body. When the U-shaped rod reaches a required position, the locking assembly can fix the U-shaped rod on a vehicle body to prevent the U-shaped rod from rotating.

Description

Handcart for building engineering

Technical Field

The utility model relates to a building engineering field particularly, relates to a handcart for building engineering.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance. In construction engineering, trolleys are used primarily for transporting construction materials. When the trolley is transported, a transportation worker often needs to push the trolley back and forth for transportation, and the direction of the trolley needs to be turned in the process of back and forth. It is known that turning the trolley in the direction is very energy consuming, especially in construction work, where the building material is generally heavier and the turning trolley is more physically consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handcart for building engineering, its push-and-pull subassembly direction that can change the handcart has avoided the manpower to rotate the handcart and has transferred the problem that the direction is wasted time and energy.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a handcart for building engineering, including automobile body and push-and-pull subassembly, the push-and-pull subassembly includes U type pole, U type pole both ends respectively with the side hinged joint of automobile body, and U type pole can rotate automobile body front end and rear end, is provided with locking Assembly between U type pole and the automobile body, and locking Assembly can fix U type pole on the automobile body.

In some embodiments of the present invention, the locking assembly includes four identical locking mechanisms, and the four locking mechanisms are symmetrically disposed on two sides of the vehicle body.

In some embodiments of the present invention, the U-shaped rod includes a front rod and a rear rod, and the front rod is connected to the vehicle body and the rear rod respectively.

The utility model discloses an in some embodiments, be provided with adjustment mechanism between above-mentioned preceding pole and the back pole, adjustment mechanism includes pivot and connector, and connector one end is connected to preceding pole free end, sets up flutedly on the connector other end, and in the back pole stretched into the recess, pivot and back pole one end fixed connection, and the pivot both ends stretched into the inner wall of recess to rotate with the connector and be connected.

The utility model discloses an in some embodiments, the part that above-mentioned back pole stretched into the recess is provided with first spacing groove, and first spacing inslot is provided with the fixture block, evenly is provided with a plurality of draw-in grooves on the recess lateral wall, and the draw-in groove center sets up on same ring line, and the fixture block can be afterwards the pole rotate to stretch into or withdraw from the draw-in groove that corresponds.

The utility model discloses an in some embodiments, the one end that above-mentioned fixture block stretched into in the draw-in groove is the hemisphere structure, and the draw-in groove is the hemisphere groove structure that corresponds with the hemisphere structure.

In some embodiments of the present invention, the first limiting groove is provided with a first spring, one end of the first spring is connected to the fixture block, and the other end of the first spring is connected to the rear rod.

The utility model discloses an in some embodiments, above-mentioned locking Assembly includes fixing base, fixed block and stopper, and fixed block and stopper set up respectively in the fixing base both sides of same level, and the stopper can slide along the horizontal direction on the fixing base, and the front rod can stretch into the clearance between stopper and the fixed block, and the clearance width is less than the front rod width.

In some embodiments of the present invention, a second limiting groove is disposed on the fixing base, the front rod can extend into the second limiting groove, and the second limiting groove corresponds to the gap.

The utility model discloses an in some embodiments, above-mentioned stopper is located the fixing base inboard and is provided with the second spring, and second spring one end is connected to the fixing base, and the other end is connected to the stopper.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a handcart for building engineering, including automobile body and push-and-pull subassembly, the push-and-pull subassembly includes U type pole. The U-shaped rod is used as a push-pull assembly, so that a worker can push the vehicle body and pull the vehicle body, and the use habit of the worker is facilitated. U type pole both ends respectively with the side hinged joint of automobile body, and U type pole can rotate automobile body front end and rear end, this kind of hinged joint mode can make U type pole free rotation to automobile body front end and rear end, when needing to transfer the automobile body direction, can directly rotate U type pole to the party of needs, the automobile body direction has changed this moment, does not consume a large amount of physical stamina and goes the manual work and rotate the automobile body, has practiced thrift time and physical power. A locking assembly is arranged between the U-shaped rod and the vehicle body, and the locking assembly can fix the U-shaped rod on the vehicle body. When the U-shaped rod reaches a required position, the locking assembly can fix the U-shaped rod on a vehicle body to prevent the U-shaped rod from rotating. Therefore, the handcart can change the direction of the push-pull assembly of the handcart, and the problem that the handcart is time-consuming and labor-consuming in turning direction due to manual rotation is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

fig. 2 is a schematic structural diagram of an adjusting mechanism in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a connecting body according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a card slot in an embodiment of the present invention;

fig. 5 is a schematic diagram of a mechanism of a locking assembly according to an embodiment of the present invention.

Icon: 1-vehicle body, 2-U-shaped rod, 3-rear rod, 4-connector, 5-locking component, 501-fixed block, 502-second spring, 503-limiting block, 6-front rod, 7-hinged support, 8-moving wheel, 9-rotating shaft, 10-first spring, 11-clamping block, 12-clamping groove and 13-groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" and the like, if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present invention, and the embodiment provides a trolley for construction engineering, including a trolley body 1 and a push-pull assembly, where the push-pull assembly includes a U-shaped rod 2. The U-shaped rod 2 is used as a push-pull assembly, so that a worker can push the vehicle body 1 and pull the vehicle body 1, and the worker can use the push-pull assembly. 2 both ends of U type pole respectively with the side hinged joint of automobile body 1, and U type pole 2 can rotate 1 front end of automobile body and rear end, this kind of hinged joint mode can make 2 free rotations of U type pole to 1 front end of automobile body and rear end, when needing to transfer 1 direction of automobile body, can directly rotate 2 to the party of needs of U type pole, 1 direction of automobile body has changed this moment, does not consume a large amount of physical stamina and goes the manual work to rotate automobile body 1, time and physical power have been practiced thrift. A locking assembly 5 is arranged between the U-shaped rod 2 and the vehicle body 1, and the locking assembly 5 can fix the U-shaped rod 2 on the vehicle body 1. When the U-shaped rod 2 reaches a required position, the locking assembly 5 can fix the U-shaped rod 2 on the vehicle body 1, and prevent the U-shaped rod 2 from rotating.

In some embodiments of the present invention, the locking assembly 5 includes four identical locking mechanisms symmetrically disposed on both sides of the vehicle body 1. The locking mechanisms are symmetrically arranged on two sides of the vehicle body 1, the two locking mechanisms arranged on one side of the vehicle body 1 are respectively arranged at the front end of the vehicle body 1 and the rear end of the vehicle body 1, the two sides can be locked simultaneously for the U-shaped rod 2, and the U-shaped rod 2 can be locked after the U-shaped rod 2 rotates to the front end or the rear end. After the U-shaped rod 2 is rotated to a required direction, the U-shaped rod 2 can be directly locked by using a locking mechanism, and the phenomenon that the U-shaped rod 2 can also rotate freely to influence the effect of the push-pull vehicle body 1 when the vehicle body 1 is pushed and pulled is prevented.

Referring to fig. 1, in the present embodiment, the U-shaped bar 2 includes a front bar 6 and a rear bar 3, and the front bar 6 is connected to the vehicle body 1 and the rear bar 3, respectively. The front rod 6 is used as a rotating rod and is connected with the vehicle body 1 through a hinged support 7, and the rotating function is achieved, so that the U-shaped rod 2 can rotate to a required position. The rear rod 3 is used as a handrail end, and a worker can directly hold the rear rod 3 to push the vehicle body 1. It should be noted that the U-shaped rods 2 are symmetrical structures, so that the same front rod 6 and the same rear rod 3 are arranged on both sides of the vehicle body 1, and a push-pull rod is connected between the rear rods 3 on both sides of the vehicle body 1, so that the push-pull rod can enable a worker to push the vehicle body 1 and also enable the worker to pull the vehicle body 1, thereby facilitating the adaptation to different environments.

Referring to fig. 1 and 2, in the present embodiment, an adjusting mechanism is disposed between the front rod 6 and the rear rod 3, and the adjusting mechanism includes a rotating shaft 9 and a connecting body 4. The connecting body 4 is used for connecting the front rod 6 and the rear rod 3, and can realize the rotation and locking of the front rod 6 and the rear rod 3. The free end of the front rod 6 is connected with one end of the connecting body 4, the other end of the connecting body 4 is provided with a groove 13, and the rear rod 3 extends into the groove 13. The rotating shaft 9 is fixedly connected with one end of the rear rod 3, and two ends of the rotating shaft 9 extend into the inner wall of the groove 13 and are rotatably connected with the connecting body 4. In this embodiment, the portion of the rear rod 3 extending into the groove 13 is a rectangular structure, and the groove 13 and the rear rod 3 correspond to a rectangular groove 13. Therefore, the rotating shaft 9 can penetrate through the rear rod 3 and extend into the two ends of the groove 13 to be connected with the connecting body 4 through bearings respectively. The pivot 9 is connected with back pole 3 and connector 4 respectively, can regard as middle axis of rotation, makes back pole 3 can rotate the required position at pivot 9 upper connector 4, and the contained angle of preceding pole 6 and back pole 3 can be adjusted. Make things convenient for the staff when ascending slope or downhill path, can adjust the angle between above-mentioned preceding pole 6 and back pole 3 at will to this back pole 3 horizontality makes things convenient for the staff to select the contained angle between suitable preceding pole 6 and the back pole 3 according to actual slope.

Referring to fig. 2 and 3, in some embodiments, a first limiting groove (not shown) is disposed on a portion of the rear rod 3 extending into the groove 13. A clamping block 11 is arranged in the first limiting groove, a plurality of clamping grooves 12 (not marked in the figure) are uniformly arranged on the connecting body 4 corresponding to one side of the groove 13, the centers of the clamping grooves 12 are arranged on the same annular line, and the clamping block 11 can rotate along with the rod 3 and stretch into or withdraw from the corresponding clamping groove 12. The first limiting groove is provided with a limiting block 11, which can slide along the direction of the first limiting groove and extend into the slot 12, or withdraw from the slot 12. Referring to fig. 4, in the present embodiment, six locking grooves 12 are disposed on the same circular line, the six locking grooves 12 are disposed on the upper semi-circle of the circular line, and the mechanism combining the locking grooves 12 and the locking block 11 can enable the locking block 11 to rotate into the locking groove 12 to be locked when the locking block rotates along with the rear rod 3, so that the rear rod 3 is locked. Meanwhile, when the rear rod 3 needs to be kept horizontal on an uphill slope or a downhill slope to facilitate a worker to push and pull the vehicle body 1, the rear rod 3 can be rotated by applying force, and the clamping block 11 slides out along the inner wall of the clamping groove 12, so that the rear rod 3 can be rotated and kept horizontal.

Referring to fig. 2, further, in the present embodiment, one end of the fixture block 11 extending into the fixture groove 12 is a hemisphere structure, and the fixture groove 12 is a hemisphere groove structure corresponding to the hemisphere structure. The one end that fixture block 11 stretched into in draw-in groove 12 chooses for use hemisphere structure and draw-in groove 12's hemisphere groove structure to correspond to each other, because the spheroid is the arcwall face structure in this kind of corresponding structure, consequently slides easily relatively between the extrados of hemisphere structure and the intrados of draw-in groove 12, and is difficult to receive the damage when sliding between the messenger's glide plane. Therefore, the clamping block 11 can conveniently slide out of the clamping groove 12 due to the hemispherical structure, and meanwhile, the clamping block 11 can conveniently slide on the connecting body 4 outside the groove 13 due to the hemispherical structure.

Referring to fig. 2, in the present embodiment, a first spring 10 is disposed in the first limiting groove, one end of the first spring 10 is connected to the latch 11, and the other end is connected to the rear rod 3. The first spring 10 is used for providing a force for the latch 11 to push the latch 11 into the latch slot 12 when the latch 11 enters the latch slot 12 due to the potential energy of the first spring 10. When the clamping block 11 rotates on the surface of the connecting body 4, the connecting clamping block 11 contracts towards the first limiting groove, and at the moment, the clamping groove 12 provides a force for the first spring 10, so that the first spring 10 keeps a compression elastic potential energy. When the latch 11 rotates to the latch slot 12, the first spring 10 converts the elastic potential energy into the kinetic energy of the latch 11, so that the first spring 10 pushes the latch 11 to automatically slide into the latch slot 12.

Referring to fig. 5, the locking assembly 5 includes a fixing base, a fixing block 501 and a limiting block 503. The locking assembly 5 is used for locking the U-shaped rod 2 and preventing the U-shaped rod 2 from rotating, so that the U-shaped rod 2 can be locked after the U-shaped rod 2 rotates around a hinged support 7 on the vehicle body 1 to the advancing direction of the vehicle body 1, and the U-shaped rod 2 is prevented from rotating. Wherein, fixed block 501 and stopper 503 set up respectively in the fixing base both sides of same level, and stopper 503 can slide along the horizontal direction on the fixing base, and preceding pole 6 can stretch into the clearance (not marked in the figure) between stopper 503 and the fixed block 501, and the clearance width is less than preceding pole 6 width. The fixed block 501 and the limiting block 503 are at the same horizontal height, in this embodiment, the fixed block 501 and the limiting block 503 are rectangular blocks, and the lower surface of the fixed block 501 and the lower surface of the limiting block 503 are at the same horizontal height. After the front rod 6 extends into the gap between the limit block 503 and the fixed block 501, the limit block 503 is slid to make the limit block 503 partially slide above the front rod 6, so that the front rod 6 is clamped on the limit block 503.

Referring to fig. 5, in the present embodiment, the limiting block 503 is a wedge-shaped structure, which enables the front rod 6 to slide into a gap (not shown) between the limiting block 503 and the fixing block 501 more quickly. Similarly, the part of the front rod 6 sliding into the gap in this embodiment also has an inclined surface matching with the wedge, so that the front rod 6 can quickly slide into the gap to prevent the front rod 6 from being stuck on the limiting block 503 and being unable to enter the gap to damage the front rod 6.

Referring to fig. 5, in some embodiments of the present invention, the fixing base is provided with a second limiting groove (not shown), the front rod 6 can extend into the second limiting groove, and the second limiting groove corresponds to the gap. The effect of second spacing groove makes in the entering fixing base that the front rod 6 can be accurate to get into above-mentioned clearance along the second spacing groove. Meanwhile, the second limiting groove also plays a role in guiding, and the front rod 6 is prevented from moving to a position where the front rod cannot enter the gap.

Referring to fig. 5, the limiting block 503 is disposed inside the fixing base and provided with a second spring 502, one end of the second spring 502 is connected to the fixing base, and the other end is connected to the limiting block 503. When the front rod 6 rises into the gap, the downward front rod 6 pushes the limiting block 503 to move horizontally due to the wedge structure and the wedge surface, and the gap becomes larger. At this time, the second spring 502 is compressed, and after the front rod 6 pushes the stopper 503, the second spring 502 pushes the stopper 503 to return to the initial position, so that the front rod 6 can be clamped below the stopper 503. It should be noted that, in this embodiment, a baffle is disposed between the second spring 502 and the limiting block 503, the limiting block 503 penetrates the baffle, the baffle is fixed on the limiting block 503, the second spring 502 is sleeved on the limiting block 503, and one end of the second spring 502 is connected to the baffle. The mechanism with the baffle design can enable the acting points at the two ends of the second spring 502 to be on the same horizontal line, so that the service life of the second spring 502 is prolonged, and unnecessary troubles caused by frequent damage of the second spring 502 are prevented. In this embodiment, the one end that stopper 503 is located the fixing base outside is provided with the pull-out handle, makes things convenient for the staff pulling to pull out the handle and makes above-mentioned clearance grow, can rotate front rod 6 this moment and make front rod 6 break away from locking Assembly.

When the vehicle body 1 is used, after a worker pushes the vehicle body 1 to a position where the vehicle body 1 needs to be turned, the worker firstly pulls the pull-out handles at one end of the limiting blocks 503 on the locking assemblies at two sides of the vehicle body 1, and at this time, the gap between the limiting blocks 503 and the fixing blocks 501 is increased. The front rod 6 is rotated to enable the front rod 6 to be separated from the locking assembly, meanwhile, the front rod 6 is rotated to the other end of the vehicle body 1, the U-shaped rod 2 is rotated to the rear end from the front end of the vehicle body 1, the vehicle body 1 is turned at the moment, and the functions of the front end and the rear end of the vehicle body 1 are replaced mutually. After turning the automobile body 1, impress corresponding locking mechanism with preceding pole 6, preceding pole 6 gets into the clearance along the second spacing groove, gets back to initial position owing to second spring 502 promotes stopper 503 after passing through the clearance completely, and initial position is also got back to the clearance this moment, and preceding pole 6 is restricted in locking mechanism, and the staff can stimulate U type pole 2 or promote U type pole 2 and drive the motion of automobile body 1. When meeting terrains such as slope and needing to keep back pole 3 horizontal, at this moment can direct afterburning rotation back pole 3, back pole 3 drives the fixture block 11 rotation of first spacing inslot, makes fixture block 11 get into next draw-in groove 12 under the effect of first spring 10. By analogy, when the clamping block 11 enters the clamping groove 12, the rear rod 3 stops rotating when being relatively horizontal, and the adjustment is completed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The trolley for the building engineering is characterized by comprising a trolley body and a push-pull assembly, wherein the push-pull assembly comprises a U-shaped rod, two ends of the U-shaped rod are respectively hinged with the side face of the trolley body, the U-shaped rod can rotate to the front end and the rear end of the trolley body, a locking assembly is arranged between the U-shaped rod and the trolley body, and the U-shaped rod can be fixed on the trolley body through the locking assembly.

2. The hand cart for construction engineering of claim 1, wherein the locking assembly comprises four identical locking mechanisms symmetrically disposed on both sides of the cart body.

3. The trolley for construction work according to claim 1, wherein the U-shaped bar comprises a front bar and a rear bar, the front bar being connected to the trolley body and the rear bar, respectively.

4. The trolley for the building engineering as claimed in claim 3, wherein an adjusting mechanism is disposed between the front rod and the rear rod, the adjusting mechanism includes a rotating shaft and a connecting body, a free end of the front rod is connected to one end of the connecting body, a groove is formed at the other end of the connecting body, the rear rod extends into the groove, the rotating shaft is fixedly connected to one end of the rear rod, and two ends of the rotating shaft extend into an inner wall of the groove and are rotatably connected to the connecting body.

5. The trolley for construction engineering as claimed in claim 4, wherein a first limiting groove is formed in a portion of the rear rod extending into the groove, a clamping block is disposed in the first limiting groove, a plurality of clamping grooves are uniformly formed in one side wall of the groove, centers of the clamping grooves are disposed on the same ring line, and the clamping block can rotate along with the rear rod and extend into or withdraw from the corresponding clamping groove.

6. The handcart for construction engineering as claimed in claim 5, wherein the end of the fixture block extending into the slot is a hemisphere, and the slot is a hemisphere groove corresponding to the hemisphere.

7. The trolley for construction engineering as claimed in claim 5 or 6, wherein a first spring is disposed in the first limit groove, one end of the first spring is connected to the block, and the other end of the first spring is connected to the rear rod.

8. The handcart for construction engineering as claimed in claim 3, wherein the locking assembly comprises a fixing seat, a fixing block and a limiting block, the fixing block and the limiting block are respectively arranged at two sides of the fixing seat at the same level, the limiting block can slide on the fixing seat along the horizontal direction, the front rod can extend into a gap between the limiting block and the fixing block, and the width of the gap is smaller than that of the front rod.

9. The handcart for construction engineering as claimed in claim 8, wherein the fixing base is provided with a second limiting groove, the front rod can extend into the second limiting groove, and the second limiting groove corresponds to the gap.

10. The trolley for construction engineering as claimed in claim 9, wherein the stopper is provided with a second spring inside the fixing seat, and one end of the second spring is connected to the fixing seat and the other end is connected to the stopper.

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