CN219668311U

CN219668311U - Plug-in type handrail fixing mechanism for handcart

Info

Publication number: CN219668311U
Application number: CN202321135026.8U
Authority: CN
Inventors: 戴益明
Original assignee: Suzhou Qhdc Metal Product Co ltd
Current assignee: Suzhou Qhdc Metal Product Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-12
Anticipated expiration: 2033-05-12

Abstract

The utility model belongs to the field of trolleys, in particular to an inserting type handrail fixing mechanism for a trolley, which aims at the problems that the existing trolley fixing mechanism is complex in steps, low in handrail fixing efficiency and time-consuming and labor-consuming in fixing removal, and the existing trolley fixing mechanism comprises a trolley plate, two connecting seats, two supporting frames, the trolley handrail, a limiting component and an adjusting component. The handcart fixing mechanism is simple and convenient in use, high in fixing efficiency on handrails and convenient and quick in fixing releasing.

Description

Plug-in type handrail fixing mechanism for handcart

Technical Field

The utility model relates to the technical field of trolleys, in particular to an inserting type handrail fixing mechanism for a trolley.

Background

The handcart is generally provided with a handcart handrail, the handcart handrail can be driven to move forward by pushing or pulling the handcart handrail, and currently, in the known handcart handrail fixing mode, the fixing mode is mostly externally hung on a plate by adopting an adapter, and then the handcart handrail is fixed by using a bolt;

the prior art has the defects of poor structural stability, high manufacturing cost, time and labor consumption due to the fact that tools are needed for mounting and dismounting, and the application number 201720827803. X aims at the problems of the prior art, and the plug-in handrail fixing mechanism for the trolley comprises a plate and a round pipe which are fixed on the trolley, wherein a fixing component is sleeved on the round pipe, the fixing component comprises a manual knob, a limiting groove, two locking claws and two locking stop blocks which are sequentially connected, a jack is arranged on the plate, and the jack comprises a jack passing position and a jack locking position;

however, the existing handcart fixing mechanism is complex in steps when in use, low in fixing efficiency on handrails and time-consuming and labor-consuming when in fixing removal.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an inserting type handrail fixing mechanism for a handcart.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a handcart is with plug-in type handrail fixed establishment, includes handcart sweep, two connecting seats, two support frames, handcart handrail, spacing subassembly and adjusting part, two equal fixed mounting of connecting seat is at the top of handcart sweep, the support frame rotates and installs on the connecting seat that corresponds, the handcart handrail sets up the top at two support frames, adjusting part sets up on the support frame, the handcart handrail is connected with the support frame through adjusting part, spacing subassembly sets up on the support frame, spacing subassembly includes two inserted bars, two lead screw one, two bevel gears one, adjusting shaft one and two bevel gears two, two fixed slots have all been seted up to the bottom of support frame, equal slidable mounting has the inserted bar in two fixed slots, threaded slot one has all been seted up on the handcart sweep, all set up on the inner wall of two fixed slots and extend the groove, all rotate on the inner wall of two extended grooves and install lead screw one, a threaded connection is corresponding one in two threaded connection groove one, two fixed mounting bevel gears two fixed holes have been seted up with two bevel gears one, two fixed mounting bevel gears two fixed holes have two fixed holes.

Specifically, the adjusting component comprises two telescopic slide bars, two screw rods II and an adjusting shaft rod II, two telescopic grooves are formed in the supporting frames, two telescopic slide bars are fixedly installed on the trolley handrail, and the telescopic slide bars are slidably installed in the corresponding telescopic grooves.

Specifically, screw grooves II are formed in the bottom ends of the two telescopic sliding rods, screw rods II are connected to the inner walls of the two telescopic grooves in a rotating mode, and screw rods II are installed in the corresponding screw grooves II in a threaded mode.

Specifically, two screw rods are fixedly sleeved with worm wheels, connecting holes are formed in the inner walls of the two telescopic grooves, the two connecting holes are internally rotated and provided with the same second adjusting shaft rod, two ends of the second adjusting shaft rod are fixedly provided with worm screws, and the worm screws are meshed with the corresponding worm wheels.

Specifically, a plurality of universal wheels are installed at the bottom of the handcart plate.

Specifically, the inner wall of the telescopic slot is provided with a sliding slot, a sliding block is fixedly arranged on the telescopic sliding rod, and the sliding block is in sliding connection with the inner wall of the sliding slot.

Specifically, fixed mounting has the connecting rod on the connecting seat, has seted up the rotation groove on the support frame, and the connecting rod rotates to be connected in the rotation groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the plug-in type handrail fixing mechanism for the trolley, the first adjusting shaft rod is rotated, the first bevel gear drives the corresponding first screw rod to rotate, the plug rod slides out of the slot, fixing limitation of the support frame and the trolley handrail can be eliminated, and the support frame and the trolley handrail can be folded.

According to the plug-in type handrail fixing mechanism for the trolley, the second adjusting shaft rod is rotated, the worm wheel drives the corresponding second screw rod to rotate, the telescopic slide rod drives the trolley handrail to move, and the using size of the trolley handrail can be adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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. It should be understood that the drawings described below are merely exemplary, and that the structures, proportions, sizes, etc. shown in the present specification are merely illustrative of the contents of the present specification, for the understanding and appreciation of the skilled artisan, and are not meant to limit the limitations upon the practice of the present utility model, so that there is no technical significance to any modification, change in the proportions, or adjustment of the size of the structures.

Fig. 1 is a schematic perspective view of a first perspective view of an insertion armrest fixing mechanism for a cart according to the present utility model;

fig. 2 is a schematic view of a second perspective view of an insert armrest fixing mechanism for a cart according to the present utility model;

fig. 3 is a schematic front view of a fixing mechanism for an insertion armrest of a cart according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 1. a cart panel; 2. a connecting seat; 3. a support frame; 4. a trolley armrest; 5. a rod; 6. a slot; 7. a first screw rod; 8. bevel gears I; 9. adjusting the first shaft lever; 10. bevel gears II; 11. a telescopic slide bar; 12. a second screw rod; 13. a worm wheel; 14. adjusting a second shaft lever; 15. a worm.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," or the like, may explicitly or implicitly include one or more such features, and in the description of the present utility model, a "plurality" means two or more, unless otherwise specifically limited.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1-5, an inserting type handrail fixing mechanism for a handcart comprises a handcart plate 1, two connecting seats 2, two supporting frames 3 and a handcart handrail 4, wherein two connecting seats 2 are fixedly arranged at the top of the handcart plate 1, the supporting frames 3 are rotatably arranged on the corresponding connecting seats 2, the handcart handrail 4 is arranged at the top of the two supporting frames 3, fixing grooves are formed in the bottoms of the two supporting frames 3, inserting rods 5 are slidably arranged in the two fixing grooves, two inserting grooves 6 are formed in the handcart plate 1, the inserting rods 5 are connected in the corresponding inserting grooves 6, first threaded grooves are formed in the top ends of the two inserting rods 5, extension grooves are formed in the inner walls of the two fixing grooves, first screw rods 7 are rotatably arranged on the inner walls of the two extension grooves, the first screw rods 7 are in threaded connection with the corresponding first threaded grooves, the two screw rods I7 are fixedly provided with bevel gears I8, the inner walls of the two extension grooves are respectively provided with a fixing hole, the same adjusting shaft rod I9 is rotationally arranged in the two fixing holes, the two ends of the adjusting shaft rod I9 are respectively fixedly provided with bevel gears II 10, the bevel gears II 10 are meshed with the corresponding bevel gears I8, the two support frames 3 are respectively provided with a telescopic groove, the cart handrail 4 is fixedly provided with two telescopic slide bars 11, the telescopic slide bars 11 are slidably arranged in the corresponding telescopic grooves, the bottom ends of the two telescopic slide bars 11 are respectively provided with a thread groove II, the inner walls of the two telescopic grooves are respectively rotationally connected with a screw rod II 12, the screw rods II 12 are respectively arranged in the corresponding thread grooves II, the two screw rods II 12 are respectively fixedly sleeved with a worm wheel 13, the inner walls of the two telescopic grooves are respectively provided with a connecting hole, the two connecting holes are rotatably provided with the same second adjusting shaft lever 14, two ends of the second adjusting shaft lever 14 are fixedly provided with worms 15, and the worms 15 are meshed with the corresponding worm gears 13.

In this embodiment, a plurality of universal wheels are mounted at the bottom of the cart plate 1.

In this embodiment, a sliding groove is formed in the inner wall of the telescopic groove, and a sliding block is fixedly mounted on the telescopic sliding rod 11 and is in sliding connection with the inner wall of the sliding groove.

In this embodiment, fixed mounting has the connecting rod on the connecting seat 2, has seted up the rotation groove on the support frame 3, and the connecting rod rotates to be connected in the rotation inslot, and the connecting rod rotates in the rotation inslot, stability when can stabilize support frame 3 rotation.

In this embodiment, the first adjusting shaft lever 9 is rotated, the first adjusting shaft lever 9 drives the second bevel gears 10 to rotate, the second bevel gears 10 drive the first corresponding bevel gears 8 to rotate, the first bevel gears 8 drive the first corresponding screw rods 7 to rotate, the first screw rods 7 drive the corresponding inserting rods 5 to move, the inserting rods 5 slide out of the slots 6, the fixing restriction of the supporting frame 3 and the trolley handrail 4 can be canceled, the supporting frame 3 and the trolley handrail 4 can be folded, the second adjusting shaft lever 14 is rotated, the second adjusting shaft lever 14 drives the two worms 15 to rotate, the worms 15 drive the corresponding worm gears 13 to mesh, the worm gears 13 drive the second corresponding screw rods 12 to rotate, the second screw rods 12 drive the corresponding telescopic sliding rods 11 to move, the telescopic sliding rods 11 drive the trolley handrail 4 to move, and the service size of the trolley handrail 4 can be adjusted.

Compared with the prior art, the utility model has the technical advantages that: the handcart fixing mechanism is simple and convenient in use, high in fixing efficiency on handrails and convenient and quick in fixing releasing.

Claims

1. The utility model provides a handcart is with plug-in handrail fixed establishment, its characterized in that includes handcart sweep (1), two connecting seats (2), two support frames (3), handcart handrail (4), spacing subassembly and adjusting part, two equal fixed mounting of connecting seat (2) is at the top of handcart sweep (1), support frame (3) rotate install on corresponding connecting seat (2), handcart handrail (4) set up at the top of two support frames (3), adjusting part sets up on support frame (3), handcart handrail (4) are connected with support frame (3) through adjusting part, spacing subassembly sets up on support frame (3), spacing subassembly includes two inserted bars (5), two lead screw one (7), two bevel gears one (8), adjusting shaft one (9) and two bevel gears two (10), two fixed slots have all been seted up to the bottom of support frame (3), two fixed slots have inserted bar (5) all to sliding mounting, set up on handcart sweep (1) and have set up two inserted bar (6) on two inner wall (6) corresponding one and have one to extend the screw thread groove (5) on two inner wall (7), screw rod one (7) threaded connection is in corresponding screw thread groove one, and two screw rods one (7) are gone up and are all fixedly installed bevel gear one (8), have all been seted up the fixed orifices on the inner wall of two extension grooves, and two fixed orifices internal rotation is installed same regulation axostylus axostyle one (9), the equal fixed mounting in both ends of regulation axostylus axostyle one (9) has bevel gear two (10), bevel gear two (10) and corresponding bevel gear one (8) meshing.

2. The plug-in handrail fixing mechanism for a trolley according to claim 1, wherein the adjusting assembly comprises two telescopic slide bars (11), two screw rods (12) and two adjusting shaft rods (14), telescopic grooves are formed in the two supporting frames (3), the two telescopic slide bars (11) are fixedly installed on the trolley handrail (4), and the telescopic slide bars (11) are slidably installed in the corresponding telescopic grooves.

3. The plug-in handrail fixing mechanism for a trolley according to claim 2, wherein the bottom ends of the two telescopic sliding rods (11) are provided with threaded grooves II, the inner walls of the two telescopic grooves are respectively and rotatably connected with a screw rod II (12), and the screw rods II (12) are installed in the corresponding threaded grooves II in a threaded manner.

4. The plug-in handrail fixing mechanism for a trolley according to claim 3, wherein worm gears (13) are fixedly sleeved on the two screw rods (12), connecting holes are formed in the inner walls of the two telescopic grooves, the same two adjusting shaft rods (14) are rotatably installed in the two connecting holes, worm gears (15) are fixedly installed at two ends of the two adjusting shaft rods (14), and the worm gears (15) are meshed with the corresponding worm gears (13).

5. The plug-in armrest fixing mechanism for a trolley according to claim 1, characterized in that the bottom of the trolley board (1) is provided with a plurality of universal wheels.

6. The plug-in handrail fixing mechanism for a trolley according to claim 2, wherein a sliding groove is formed in the inner wall of the telescopic groove, a sliding block is fixedly mounted on the telescopic sliding rod (11), and the sliding block is in sliding connection with the inner wall of the sliding groove.

7. The plug-in handrail fixing mechanism for a trolley according to claim 1, wherein a connecting rod is fixedly installed on the connecting seat (2), a rotating groove is formed in the supporting frame (3), and the connecting rod is rotatably connected in the rotating groove.