Tool car

Abstract

The utility model discloses a tool car which comprises a chassis assembly, tires are arranged on the chassis assembly, the chassis assembly is rotationally connected with a transfer driving piece, a traction handle is connected to the transfer driving piece and can drive the transfer driving piece to rotate relative to the chassis assembly, pull rods are hinged to the two sides of the transfer driving piece, and the pull rods are connected with the transfer driving piece. A supporting rod is hinged to the side, away from the transfer driving piece, of the pull rod and rotationally connected to the chassis assembly, and tires are connected to the supporting rod. The utility model provides a tool car, which can ensure that the tool car can synchronously rotate on the left side and the right side, can ensure the stability of rotation, and can provide stable operation experience for a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of carrying vehicle, especially a tool car. BACKGROUND

[0002] For example, the publication number "CN218400569U" discloses a "steel plate transfer trolley", which comprises a base, the base comprises a bottom plate and side plates located at both ends of the bottom plate; a support platform, the support platform comprises a first platform and a second platform, the first platform is provided with two second platforms on the opposite sides respectively, and the first platform and the adjacent second platform are both left with a channel for the lifting ring hoisting, the side of the two second platforms away from each other is fixedly connected with the two side plates respectively, the upper surface edge of the second platform is uniformly provided with a positioning hole, and an L-shaped limiting block for limiting the four corners of the steel plate is arranged in the positioning hole. But in actual application, the transfer trolley of this kind cannot turn the wheels on the left and right sides synchronously, so there will be problems of unstable turning and unsmooth operation during the turning of the trolley. SUMMARY

[0003] In view of the problem of instability of the trolley during turning in the prior art mentioned in the background, the utility model provides a tool car, which can ensure that the tool car can turn synchronously on the left and right sides, can ensure the stability of turning, and can provide stable operation experience for the user.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme.

[0005] A tool car comprises a chassis assembly, the chassis assembly is provided with tires, the chassis assembly is rotationally connected with a transfer driving member, the transfer driving member is connected with a traction handle, the traction handle can drive the transfer driving member to rotate relative to the chassis assembly, pull rods are hingedly connected to the two sides of the transfer driving member, a support rod is hingedly connected to the side of the pull rod away from the transfer driving member, the support rod is rotationally connected to the chassis assembly, and the support rod is connected with a tire. In the prior art, since each roller of the tool car rotates independently, in order to ensure that the tool car can turn stably, each roller is arranged in a universal wheel structure, thereby improving the flexibility of the tool car. However, the tool car of this kind has the problems of poor control precision, non-synchronous rotation of the rollers on the two sides, and direction deviation that cannot meet the expectation during turning, especially during the rapid movement of the tool car, the user needs to turn the direction of the whole tool car by twisting, which has high requirements for the strength and precision control of the user.

[0006] Therefore, in order to solve the above problems, a transfer driving part is arranged on the chassis assembly, and the transfer driving part is rotationally connected with the chassis assembly, a towing handle is connected with the transfer driving part, and the staff can drive the transfer driving part to move relative to the chassis assembly by rotating the towing handle left and right during pushing the tool cart. A pull rod is hingedly connected with the transfer driving part, and the pull rod is offset during the rotation of the transfer driving part. Since the pull rod is arranged on both sides of the transfer driving part, the pull rods on both sides are synchronously rotated during the movement of the transfer driving part. A support rod is hingedly connected with the pull rod away from the transfer driving part, and the rotation of the transfer driving part synchronously drives the support rod to rotate. The support rod is rotationally connected with the chassis assembly, and a tire is connected with the support rod. Therefore, the tire and the support rod are rotated with the rotation point of the chassis assembly as the center during the rotation of the transfer driving part. Since two pull rods are connected with the transfer driving part, the tires on both sides are synchronously steered, and the steering of the tool cart is more stable. The staff can more conveniently control the steering, and the steering is more convenient even at a high speed.

[0007] Preferably, a disc brake assembly is arranged on the chassis assembly. The tool cart is heavy in size and weight, and the common tool cart cannot bear the weight. In order to ensure the safety of the tool cart, a brake system needs to be installed on the tool cart. The existing brake system only uses fixed-point braking and cannot realize temporary braking, so it is inconvenient to brake every time. Therefore, the disc brake assembly is arranged on the chassis assembly in the present application, so that the staff can stop the tool cart at any time, thereby ensuring the stability and safety of the tool cart.

[0008] Preferably, a brake driving unit is arranged on the towing handle, an oil pipe is connected with the brake driving unit, a control wheel pair is rotationally connected with the chassis assembly, the control wheel pair includes a connecting shaft, a brake disc is connected with the connecting shaft, a brake action unit is connected with the chassis assembly, a brake pad is movably connected with the brake action unit, and the brake pad can clamp the brake disc. The brake driving unit is arranged on the towing handle, the oil pipe connected with the brake driving unit can drive the brake action unit to act, so as to control the brake pad to clamp the brake disc, and the tool cart is stopped by the friction between the brake pad and the brake disc. Preferably, the brake action unit is arranged on the connecting shaft of the control wheel pair, and the transfer driving part is connected with another pair of tires, so as to control the brake and steering functions of the tool cart by two different wheel pairs.

[0009] As preferred, the chassis assembly is connected with a bearing seat, and the bearing seat is rotationally connected with the connecting shaft. By connecting the bearing seat with the connecting shaft, the rotation of the connecting shaft can be ensured to be smooth, and the movement of the tool vehicle can be ensured to be stable and smooth.

[0010] As preferred, the tire comprises a middle section and a side section, the middle section is provided with a wear-resistant ring, and the side section is provided with anti-skid patterns. The tire is divided into the middle section and the side section, different structures are arranged on the middle section and the side section respectively to improve the functionality of the tire. Specifically, the wear-resistant ring is arranged on the middle section of the tire, and the wear-resistant ring is made of wear-resistant material. Since the middle section is the main contact stress position of the tire, the wear-resistant ring arranged thereon can protect the tire. The anti-skid patterns arranged on the side section can ensure the anti-skid effect of the tire and the running stability of the tool vehicle.

[0011] As preferred, the wear-resistant ring is a rubber ring. The material of the wear-resistant ring is set to be a rubber ring, so as to increase the grip effect of the tire, ensure the running stability of the tool vehicle, and increase the buffering effect.

[0012] As preferred, a reserved gap is arranged between the wear-resistant ring and the side section. The reserved gap arranged between the wear-resistant ring and the side section can ensure the stable work of the wear-resistant ring. Since the wear-resistant ring is a rubber ring, sufficient deformation space is provided for the deformation of the wear-resistant ring.

[0013] As preferred, the traction handle is rotationally connected to the intermediate transmission driving member, and the rotation direction of the traction handle relative to the intermediate transmission driving member is perpendicular to the rotation direction of the intermediate transmission driving member relative to the chassis assembly. The traction handle is rotationally connected to the intermediate transmission driving member, so that the traction handle can rotate relative to the intermediate transmission driving member. Therefore, the traction handle can change the angle as needed during work, so as to facilitate the traction of the tool vehicle.

[0014] As preferred, a storage box body is arranged above the chassis assembly. The storage box body arranged on the chassis assembly can facilitate the storage of the objects to be carried, avoid the objects from falling off, and ensure the carrying stability of the objects. Further, a buckle is arranged on the storage box body, and the traction handle can be fixed by the buckle. Therefore, the traction handle can be prevented from falling off when the tool vehicle is not used, and the stability of the traction handle can be ensured.

[0015] As preferred, the storage box body is provided with a plurality of storage grids, the storage grids are slidably connected with the buckets, and / or the storage grids are rotatably connected with the door plates. The storage box body is provided with a plurality of storage grids, the classification storage capacity of the storage box body is improved, different materials can be classified and stored, and the transportation is facilitated, the door plates or the buckets are arranged on the storage grids, and then the materials with different volumes can be conveniently taken and stored.

[0016] The utility model discloses the beneficial effects are as follows:

[0017] (1) can guarantee that the tool car of this kind can rotate synchronously on both sides, can guarantee the stability of rotation, can provide stable operation experience for the user;

[0018] (2) can improve the carrying stability of the tool car, can flexibly brake, and improve the safety performance;

[0019] (3) can improve the transportation efficiency of the tool car, can realize classification and induction at the same time, and improve the work efficiency of taking and storing in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the first axonometric view of the utility model.

[0021] Figure 2 It is Figure 1 The partial close-up view of A in the figure.

[0022] Figure 3 It is the axonometric view of the tire in the figure.

[0023] Figure 4 It is the second axonometric view of the utility model.

[0024] Figure 5 It is the axonometric view of example 2.

[0025] Figure 6 It is Figure 5 The partial close-up view of B in the figure.

[0026] In the figure:

[0027] 1 chassis assembly, 11 bearing seat;

[0028] 2 tire, 21 control wheel pair, 22 connecting shaft, 23 brake disc, 24 middle section, 25 side section, 26 wear-resistant ring, 27 anti-skid pattern, 28 reserved gap;

[0029] 3 intermediate transfer driving part, 31 pull rod, 32 support rod;

[0030] 4 traction handle;

[0031] 5 Brake drive unit, 51 Oil pipe, 52 Brake action unit, 53 Brake pad;

[0032] 6. Storage box body, 61. Storage compartment, 62. Drawer, 63. Door panel. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0034] Example 1:

[0035] like Figure 1 As shown, a tool cart includes a chassis assembly 1, on which tires 2 are mounted. The chassis assembly 1 is rotatably connected to a central drive unit 3, and a traction handle 4 is connected to the central drive unit 3. The traction handle 4 can drive the central drive unit 3 to rotate relative to the chassis assembly 1. Pull rods 31 are hinged to both sides of the central drive unit 3, and a support rod 32 is hinged to the side of the pull rods 31 away from the central drive unit 3. The support rod 32 is rotatably connected to the chassis assembly 1 and connected to the tires 2. In the prior art, because each roller of the tool cart rotates independently, in order to ensure stable steering, each roller is designed as a universal wheel structure, thereby improving the flexibility of the tool cart. However, this type of tool cart suffers from poor control precision during steering, as the rollers on both sides cannot rotate synchronously, resulting in directional deviations that cannot be achieved as expected. Especially during faster movement of the tool cart, the user needs to turn the entire tool cart to steer, which places high demands on the user's strength and precision control.

[0036] Therefore, in order to solve the above problems, the transfer driving part 3 is arranged on the chassis assembly 1, and the transfer driving part 3 is rotationally connected with the chassis assembly 1, the traction handle 4 is connected on the transfer driving part 3, and the staff can drive the transfer driving part 3 to move relative to the chassis assembly 1 by rotating the traction handle 4 around the transfer driving part 3 during pushing the tool cart, and the pull rod 31 is hingedly connected on the transfer driving part 3, and the pull rod 31 is offset during the rotation of the transfer driving part 3, and since the pull rod 31 is arranged on both sides of the transfer driving part 3, the pull rods 31 on both sides are synchronously rotated during the movement of the transfer driving part 3, and the support rod 32 is hingedly connected on the side of the pull rod 31 away from the transfer driving part 3, so that the rotation of the transfer driving part 3 synchronously drives the support rod 32 to rotate, the support rod 32 is rotationally connected on the chassis assembly 1, and the tire 2 is connected on the support rod 32, so that the tire 2 and the support rod 32 are rotated around the rotation point of the tire 2 and the support rod 32 and the chassis assembly 1 during the rotation of the transfer driving part 3, and since the two pull rods 31 are connected on the transfer driving part 3, the tires 2 on both sides are synchronously steered, so that the tool cart is more stable during steering, and the staff can more conveniently control the steering, and even if the speed is too fast, the staff can only steer by rotating the traction handle 4, so that the steering is more convenient.

[0037] As shown in Figure 3 The tire 2 includes the middle section 24 and the side section 25, the wear-resistant ring 26 is arranged on the middle section 24, and the anti-skid pattern 27 is arranged on the side section 25. The tire 2 is divided into the middle section 24 and the side section 25, and different structures are arranged on the middle section 24 and the side section 25 to improve the functionality of the tire 2, in which the wear-resistant ring 26 is arranged on the middle section 24 of the tire 2, the wear-resistant ring 26 is made of wear-resistant material, and since the middle section 24 is the main contact and stress position of the tire 2, the wear-resistant ring 26 arranged thereon can protect the tire 2, and the anti-skid pattern 27 arranged on the side section 25 can ensure the anti-skid effect of the tire 2 and the running stability of the tool cart.

[0038] The wear-resistant ring 26 is a rubber ring. The material of the wear-resistant ring 26 is set to be a rubber ring, so as to increase the grip effect of the tire 2, ensure the running stability of the tool cart, and increase the buffering effect.

[0039] A reserved gap 28 is arranged between the wear-resistant ring 26 and the side section 25. The reserved gap 28 can ensure the stable work of the wear-resistant ring 26, and since the wear-resistant ring 26 is a rubber ring, the deformation space of the wear-resistant ring 26 is sufficient.

[0040] As Figure 2 shown, the traction handle 4 is rotationally connected to the intermediate drive member 3, and the rotation direction of the traction handle 4 relative to the intermediate drive member 3 is perpendicular to the rotation direction of the intermediate drive member relative to the chassis assembly 1. The intermediate drive member 3 to which the traction handle 4 is rotationally connected can further enable the pushing wrench to rotate relative to the intermediate drive member 3, so that the traction handle 4 can change the angle as needed during operation, thereby making it more convenient to tow the tool cart.

[0041] As Figure 4 shown, the chassis assembly 1 is provided with a storage box body 6. The storage box body 6 is provided on the chassis assembly 1, which can more conveniently store the objects being carried, avoid the objects from falling off, ensure the stability of the object carrying, and further provide buckles on the storage box body 6. The buckles can fix the traction handle 4, thereby avoiding the traction handle 4 from falling off when the tool cart is not in use, and ensuring the stability of the traction handle 4.

[0042] As Figure 4 shown, the storage box body 6 is provided with a plurality of storage compartments 61, and the storage compartments 61 are slidably connected with a drawer 62; and / or the storage compartments 61 are rotationally connected with a door plate 63. The storage box body 6 is provided with a plurality of storage compartments 61, which can improve the classification storage capacity of the storage box body 6, and can store different materials in different categories for convenient transportation. The storage compartments 61 can be provided with door plates 63 or drawers 62, thereby facilitating the taking and storing of materials of different sizes.

[0043] Embodiment 2:

[0044] As Figure 4 shown, a tool cart includes a chassis assembly 1, the chassis assembly 1 is provided with a tire 2, the chassis assembly 1 is rotationally connected with an intermediate drive member 3, the intermediate drive member 3 is connected with a traction handle 4, the traction handle 4 can drive the intermediate drive member 3 to rotate relative to the chassis assembly 1, the intermediate drive member 3 is hingedly connected with a pull rod 31 on both sides, the pull rod 31 is hingedly connected with a support rod 32 away from the intermediate drive member 3, the support rod 32 is rotationally connected to the chassis assembly 1, and the support rod 32 is connected with the tire 2. In the prior art, since each roller of the tool cart rotates independently, in order to ensure that the tool cart can be stably steered, each roller is arranged as a universal wheel structure, thereby improving the flexibility of the tool cart. However, such tool carts have poor control accuracy during steering, and the rollers on both sides cannot rotate synchronously, resulting in a direction deviation that cannot meet the expected requirements. Especially during the rapid movement of the tool cart, the user needs to twist the entire tool cart to steer, which has high requirements for the user's strength and accuracy control.

[0045] Therefore, in order to solve the above problems, the transfer driving part 3 is arranged on the chassis assembly 1, and the transfer driving part 3 is rotationally connected with the chassis assembly 1. The traction handle 4 is connected with the transfer driving part 3. Through the traction handle 4, the operator can drive the transfer driving part 3 to move relative to the chassis assembly 1 by rotating the traction handle 4 left and right with the transfer driving part 3 as the center during the process of pushing the tool cart. The pull rod 31 is hingedly connected to the transfer driving part 3. During the rotation of the transfer driving part 3, the pull rod 31 is offset. Since the pull rod 31 is arranged on both sides of the transfer driving part 3, the pull rods 31 on both sides will rotate synchronously during the movement of the transfer driving part 3. The support rod 32 is hingedly connected to the side of the pull rod 31 away from the transfer driving part 3. Therefore, the rotation of the transfer driving part 3 will drive the support rod 32 to rotate synchronously. The support rod 32 is rotationally connected to the chassis assembly 1. The tire 2 is connected to the support rod 32. Therefore, during the rotation of the transfer driving part 3, the tire 2 and the support rod 32 will rotate with the rotation point of the chassis assembly 1 as the center. Since the transfer driving part 3 is connected with two pull rods 31, the tires 2 on both sides will rotate synchronously, thereby making the tool cart more stable during turning, and the operator can more conveniently control the turning. Even if the speed is too fast, the operator can only turn by rotating the traction handle 4 left and right, which is more convenient.

[0046] As shown in Figure 4 , 5 , the chassis assembly 1 is provided with a disc brake assembly. The volume and weight of the heavy tool cart are large. The common tool cart cannot bear enough weight. In order to ensure the safety of the tool cart, a brake system needs to be installed on the tool cart. The existing brake system only uses fixed-point braking and cannot realize temporary braking, so it is inconvenient to brake every time. Therefore, in the present application, the disc brake assembly is arranged on the chassis assembly 1, so that the operator can stop the tool cart at any time, thereby ensuring the stability and safety of the tool cart.

[0047] As shown in Figure 4 , 5As shown, the traction handle 4 is provided with a brake driving unit 5, the brake driving unit 5 is connected with an oil pipe 51, the chassis assembly 1 is rotatably connected with a control wheel pair 21, the control wheel pair 21 comprises a connecting shaft 22, the connecting shaft 22 is connected with a brake disc 23, the chassis assembly 1 is connected with a brake action unit 52, the brake action unit 52 is movably connected with a brake pad 53, and the brake pad 53 can clamp the brake disc 23. The brake driving unit 5 is arranged on the traction handle 4, the oil pipe 51 connected with the brake driving unit 5 can drive the brake action unit 52 to act, so as to control the brake pad 53 to produce clamping action on the brake disc 23, and the tool car is stopped through the friction between the brake pad 53 and the brake disc 23, wherein preferably, the brake action unit 52 is arranged on the connecting shaft 22 of the control wheel pair 21, and the intermediate transmission member 3 is connected with another pair of tires 2, so as to control the brake and steering functions of the tool car through two different wheel pairs.

[0048] As shown in the figure, Figure 5 The chassis assembly 1 is connected with a bearing seat 11, and the bearing seat 11 is rotatably connected with the connecting shaft 22. By connecting the bearing seat 11 with the connecting shaft 22, the rotation of the connecting shaft 22 is ensured to be smooth, and the movement of the tool car is ensured to be stable and smooth.

[0049] As shown in the figure, Figure 3 The tire 2 comprises an intermediate section 24 and a side section 25, the intermediate section 24 is provided with a wear-resistant ring 26, and the side section 25 is provided with anti-skid patterns 27. The tire 2 is divided into the intermediate section 24 and the side section 25, and different structures are arranged on the intermediate section 24 and the side section 25 respectively to improve the functionality of the tire 2. Specifically, the wear-resistant ring 26 is arranged on the intermediate section 24 of the tire 2, the wear-resistant ring 26 is made of wear-resistant material, and since the intermediate section 24 is the main contact stress position of the tire 2, the wear-resistant ring 26 arranged here has a protective effect on the tire 2, and the anti-skid patterns 27 arranged on the side section 25 can ensure the anti-skid effect of the tire 2 and the running stability of the tool car.

[0050] The wear-resistant ring 26 is a rubber ring. The material of the wear-resistant ring 26 is set to be a rubber ring, so as to increase the grip effect of the tire 2, ensure the running stability of the tool car, and increase the buffering effect.

[0051] As shown in the figure, Figure 3 A reserved gap 28 is arranged between the wear-resistant ring 26 and the side section 25. The reserved gap 28 can ensure the stable work of the wear-resistant ring 26, and since the wear-resistant ring 26 is a rubber ring, it provides sufficient deformation space for the deformation of the wear-resistant ring 26.

[0052] As shown in the figure, Figure 2As shown, the traction handle 4 is rotationally connected to the intermediate driving member 3, and the rotation direction of the traction handle 4 relative to the intermediate driving member 3 is perpendicular to the rotation direction of the intermediate driving member relative to the chassis assembly 1. The intermediate driving member 3 to which the traction handle 4 is rotationally connected can further enable the pushing wrench to rotate relative to the intermediate driving member 3, so that the traction handle 4 can change the angle as needed during the working process, thereby making it more convenient to tow the tool cart.

[0053] As shown, Figure 4 The chassis assembly 1 is provided with a storage box body 6 above. The storage box body 6 is provided on the chassis assembly 1, which can more conveniently store the objects to be carried, avoid the objects from falling off, and ensure the stability of the objects to be carried. Further, the storage box body 6 is provided with a buckle, which can fix the traction handle 4, thereby avoiding the traction handle 4 from falling off when the tool cart is not used, and ensuring the stability of the traction handle 4.

[0054] As shown, Figure 4 The storage box body 6 is provided with a plurality of storage compartments 61, and the storage compartments 61 are slidably connected with a drawer 62; and / or the storage compartments 61 are rotationally connected with a door plate 63. The storage box body 6 is provided with a plurality of storage compartments 61, which can improve the classification storage capacity of the storage box body 6, and can store different materials in different categories, thereby facilitating the transportation. The storage compartments 61 can be provided with a door plate 63 or a drawer 62, which can facilitate the taking and storing of materials of different sizes.

Claims

1. A tool cart, characterized in that, The device includes a chassis assembly with tires mounted on it. The chassis assembly is rotatably connected to a transfer drive unit, and a traction handle is connected to the transfer drive unit. The traction handle can drive the transfer drive unit to rotate relative to the chassis assembly. Pull rods are hinged to both sides of the transfer drive unit, and a support rod is hinged to the side of the pull rod away from the transfer drive unit. The support rod is rotatably connected to the chassis assembly, and the tires are connected to the support rods.

2. A tool cart according to claim 1, characterized in that, The chassis assembly is equipped with a disc brake assembly.

3. A tool cart according to claim 2, characterized in that, The towing handle is equipped with a brake drive unit, which is connected to an oil pipe. A control wheel pair is rotatably connected to the chassis assembly. The control wheel pair includes a coupling shaft, on which a brake disc is connected. A brake actuation unit is connected to the chassis assembly, and brake pads are movably connected to the brake actuation unit. The brake pads can clamp the brake disc.

4. A tool cart according to claim 3, characterized in that, The chassis assembly is connected to a bearing housing, which is rotatably connected to a connecting shaft.

5. A tool cart according to claim 1, characterized in that, The tire includes a middle section and a side section, with a wear-resistant ring on the middle section and an anti-slip tread pattern on the side section.

6. A tool cart according to claim 5, characterized in that, The wear-resistant ring is a rubber ring.

7. A tool cart according to claim 5, characterized in that, A reserved gap is provided between the wear-resistant ring and the side section.

8. A tool cart according to any one of claims 1-7, characterized in that, The pull rod is rotatably connected to the transfer drive component, and the rotation direction of the pull rod relative to the transfer drive component is perpendicular to the rotation direction of the transfer drive component relative to the chassis assembly.

9. A tool cart according to any one of claims 1-7, characterized in that, A storage box is provided above the chassis assembly.

10. A tool cart according to claim 9, characterized in that, The storage box is provided with several storage compartments, and drawers are slidably connected to the storage compartments; and / or doors are rotatably connected to the storage compartments.

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