Quick-release trundle with buffering function

Abstract

The utility model relates to the technical field of casters, in particular to a quick-release caster with a buffering function. According to the technical scheme, the caster comprises a caster body and equipment supporting legs, the caster body comprises a mounting plate and a damping plate, a fixing frame is rotatably arranged on the bottom face of the damping plate, a locking assembly is arranged on the left side of the fixing frame, rolling wheels are rotatably arranged in the fixing frame, and clamping grooves are formed in the bottom faces of the equipment supporting legs. The trundle body can be conveniently and quickly disassembled and assembled by arranging the clamping groove and the pull rod, the trundle body can be easily disassembled without any tool, the trundle can be used in different scenes, convenience is improved, the buffering capacity is improved by arranging the buffering assembly and the buffering mechanism, and damage to equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a caster technology field especially a kind of fast detachable caster with buffer. BACKGROUND

[0002] Caster is a movable component installed at the bottom of equipment or furniture, usually composed of wheel, bracket, steering mechanism and mounting interface. Its core function is to make fixed objects have mobility flexibility, and it is widely used in industrial equipment, logistics transportation, furniture, medical equipment and other fields;

[0003] Some casters are installed at the bottom of precision instruments, and the internal parts of precision equipment are sensitive to vibration. For example, the caster of hospital imaging equipment may cause imaging accuracy to decrease due to moving vibration. Some casters are installed on logistics trolleys, and goods may be damaged due to shaking and collision when transporting fragile goods such as glass products, ceramics and electronic products. Some casters are fixed by screws, and operating tables, monitors and other equipment need to be disinfected and inspected regularly. However, metal debris generated during screw disassembly pollutes the operating room environment, and it is not convenient to disinfect. When transporting large equipment, the caster may cause difficulty in loading and unloading due to size exceeding limit or protruding parts. Therefore, a fast detachable caster with buffer is needed. SUMMARY

[0004] The utility model aims at the problems in the background art, and provides a fast detachable caster with buffer.

[0005] The utility model discloses a technical scheme: a fast detachable caster with buffer, including caster body and equipment support leg, the caster body includes mounting plate and shock pad, the bottom of shock pad is rotationally provided with fixed frame, the left side of fixed frame is provided with locking assembly, the inside of fixed frame is rotationally provided with roller, the bottom of equipment support leg is provided with clamping groove, a group of limit strips are arranged in the inside of clamping groove, the bottom of two rectangular through grooves is provided with sliding groove, the side away from each other of two sliding grooves is provided with slot, the inside of sliding groove is provided with limit rod, the front end outer circle of limit rod is provided with spring one, the rear end of limit rod is slidably provided with limit assembly, the side away from each other of two limit assemblies is provided with round rod, the outer circle of each round rod is provided with connecting rod, one pull rod is arranged between two connecting rods, the bottom of mounting plate is provided with a plurality of buffer assemblies and a buffer mechanism, the buffer mechanism includes fixed block, the four sides of fixed block are rotationally provided with telescopic rod one, the outer circle of each telescopic rod one is provided with spring two, the bottom end of each telescopic rod one is rotationally provided with movable block, the inner circle of each movable block is slidably provided with guide rod, the outer circle of each guide rod is provided with spring three.

[0006] Preferably, the top surface of the mounting plate is attached to the bottom surface of the equipment support leg, the top surface of the mounting plate is provided with two limiting grooves, and the bottom surface of the equipment support leg is provided with two limiting plates in sliding connection with the limiting grooves.

[0007] Preferably, the limiting assembly comprises a sliding block, the top surface of the sliding block is provided with a connecting block, and the top surface of the connecting block is provided with a clamping block.

[0008] Preferably, the outer wall of the sliding block is in sliding connection with the inner wall of the sliding groove, the connecting block is in sliding connection with the rectangular through groove, the connecting block is in sliding connection with one side of each group of limiting strips, the outer wall of the clamping block is in sliding connection with the inner wall of the clamping groove, and the bottom surface of the clamping block is attached to the top surface of the limiting strip.

[0009] Preferably, the top surface of the pull rod is provided with two fixed ear plates, a clamping rod is arranged between the two fixed ear plates, the front side of the equipment support leg is provided with a C-shaped clamping block, the C-shaped clamping block has elastic deformation capacity, and the clamping rod is located in the interior of the C-shaped clamping block.

[0010] Preferably, the buffer assembly comprises a second telescopic rod, the top end of the second telescopic rod is in fixed connection with the bottom surface of the mounting plate, the bottom end of the second telescopic rod is in fixed connection with the inner top surface of the damping plate, and the outer circle of the second telescopic rod is provided with a fourth spring.

[0011] Preferably, the top surface of the fixed block is in fixed connection with the bottom surface of the mounting plate, the inner top surface of the damping plate is provided with a plurality of buffer grooves, the movable block, the guide rod and the third spring are located in the buffer grooves, and the movable block is in sliding connection with the buffer grooves.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0013] The utility model discloses a clamping groove to pull rod is set up and is convenient for quick dismounting and installing trundle body, need not using any tool can easily dismount trundle body, satisfy different scene use, improve convenience, improve buffering capacity through setting up buffer assembly and buffer mechanism, reduce the damage of equipment. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the bottom structure schematic diagram of the equipment support leg in the utility model;

[0016] Figure 3 It is the partial area structure schematic diagram of the mounting plate in the utility model;

[0017] Figure 4This is a schematic cross-sectional view of a portion of the mounting plate in this utility model;

[0018] Figure 5 This is a partial structural diagram of this utility model;

[0019] Figure 6 A partial structural diagram of this utility model.

[0020] Reference numerals: 1. Caster body; 101. Mounting plate; 102. Shock-absorbing plate; 103. Fixing frame; 104. Locking assembly; 105. Roller; 2. Equipment support leg; 3. Slot; 4. Limiting strip; 5. Limiting rod; 6. Spring one; 7. Limiting assembly; 701. Slider; 702. Connecting block; 703. Locking block; 8. Round rod; 9. Connecting rod; 10. Pull rod; 11. Buffer assembly; 1101. Telescopic rod two; 1102. Spring four; 12. Buffer mechanism; 1201. Fixing block; 1202. Telescopic rod one; 1203. Spring two; 1204. Movable block; 1205. Guide rod; 1206. Spring three; 13. Limiting plate; 14. Fixing ear plate; 15. Locking rod; 16. C-shaped locking block. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Example

[0023] like Figures 1 to 6 As shown, this utility model proposes a quick-release caster with cushioning, including a caster body 1 and a support leg 2. The caster body 1 includes a mounting plate 101 and a shock-absorbing plate 102. The top surface of the mounting plate 101 is in contact with the bottom surface of the support leg 2. Two limiting grooves are formed on the top surface of the mounting plate 101. Two limiting plates 13 are provided on the bottom surface of the support leg 2. The limiting plates 13 are fixedly installed on the bottom surface of the support leg 2 and are slidably connected to the limiting grooves, facilitating the adjustment of the mounting plate. The positions of 101 and equipment support leg 2 are limited. The bottom surface of the shock absorber 102 is rotatably equipped with a fixing frame 103. A locking component 104 is provided on the left side of the fixing frame 103. A roller 105 is rotatably provided inside the fixing frame 103. The bottom surface of the equipment support leg 2 is provided with a slot 3. A set of limiting strips 4 is provided inside the slot 3. The limiting strips 4 are fixedly installed inside the slot 3. The top surface of the mounting plate 101 is provided with two rectangular through slots. The bottom surface of the two rectangular through slots is provided with a sliding groove.

[0024] The two sliding grooves are provided with notches on the sides away from each other, the inside of the sliding groove is provided with a limiting rod 5, the limiting rod 5 is fixedly installed in the inside of the sliding groove, the front end outer ring of the limiting rod 5 is sleeved with a spring 6, the rear end of the limiting rod 5 is slidably provided with a limiting assembly 7, the limiting assembly 7 comprises a sliding block 701, the outer wall of the sliding block 701 is in sliding connection with the inner wall of the sliding groove, the top surface of the sliding block 701 is provided with a connecting block 702, the sliding block 701 and the connecting block 702 are fixedly connected, the connecting block 702 is in sliding connection with the rectangular through groove, the connecting block 702 is in sliding connection with one side of each group of limiting strips 4 away from each other, the top surface of the connecting block 702 is provided with a clamping block 703, the connecting block 702 and the clamping block 703 are fixedly connected, the outer wall of the clamping block 703 is in sliding connection with the inner wall of the clamping groove 3, the bottom surface of the clamping block 703 is in close contact with the top surface of the limiting strip 4, the limiting strip 4 can limit the clamping block 703, and the clamping block 703 is stably installed in the inside of the clamping groove 3, and the two limiting assemblies 7 are provided with a round rod 8 away from each other on one side, and the limiting assembly 7 and the round rod 8 are fixedly connected;

[0025] The outer ring of each round rod 8 is provided with a connecting rod 9, the round rod 8 and the connecting rod 9 are fixedly connected, the same pull rod 10 is arranged between the two connecting rods 9, the connecting rod 9 and the pull rod 10 are fixedly connected, the pull rod 10 can be pulled to simultaneously drive the two connecting rods 9 to move, so that the equipment supporting leg 2 and the mounting plate 101 can be quickly disassembled, the top surface of the pull rod 10 is provided with two fixed ear plates 14, the top surface of the pull rod 10 and the bottom surface of the fixed ear plate 14 are fixedly connected, a clamping rod 15 is arranged between the two fixed ear plates 14, the clamping rod 15 is fixedly installed between the two fixed ear plates 14, the front side of the equipment supporting leg 2 is provided with a C-shaped clamping block 16, the C-shaped clamping block 16 is fixedly installed on the front side of the equipment supporting leg 2, the C-shaped clamping block 16 has elastic deformation capacity, the clamping rod 15 can be clamped in the inside of the C-shaped clamping block 16, the position stability of the pull rod 10 is guaranteed, the clamping rod 15 is located in the inside of the C-shaped clamping block 16, and the pull rod 10 is positioned, the bottom surface of the mounting plate 101 is provided with a plurality of buffer assemblies 11 and a buffer mechanism 12;

[0026] The buffer assembly 11 comprises a telescopic rod two 1101, the top end of the telescopic rod two 1101 is fixedly connected with the bottom surface of the mounting plate 101, the bottom end of the telescopic rod two 1101 is fixedly connected with the inner top surface of the damping plate 102, the outer circle of the telescopic rod two 1101 is provided with spring four 1102, the spring four 1102 can be positioned by the telescopic rod two 1101, the buffer mechanism 12 comprises a fixed block 1201, the top surface of the fixed block 1201 is fixedly connected with the bottom surface of the mounting plate 101, the four surfaces of the fixed block 1201 are all rotationally provided with telescopic rod one 1202, the outer circle of each telescopic rod one 1202 is all sleeved with spring two 1203, the bottom end of each telescopic rod one 1202 is rotationally provided with movable block 1204, the inner circle of each movable block 1204 is all slidingly provided with guide rod 1205, the running track of the movable block 1204 can be guided and positioned by the guide rod 1205, the outer circle of each guide rod 1205 is all sleeved with spring three 1206, the running track of the spring three 1206 can be guided and positioned by the guide rod 1205, a plurality of buffer grooves are formed in the inner top surface of the damping plate 102, the movable block 1204, the guide rod 1205 and the spring three 1206 are located in the inside of the buffer groove, the movable block 1204 is slidingly connected with the buffer groove, and the guide rod 1205 is fixedly installed in the inside of the buffer groove.

[0027] In the embodiment, when the caster body 1 needs to be quickly disassembled during use of the device, the pull rod 10 needs to be pulled to move to the front side, so that the two connecting rods 9 can be driven to move to the front side, and then the two round rods 8 are driven to move forward, the movement of the round rod 8 can drive the two sliding blocks 701 and the connecting blocks 702 to move to the front side, and then the clamping block 703 can be moved from the position blocked by the clamping groove 3 to the position not blocked by the clamping groove 3, so that the clamping block 703 can be separated from the inside of the clamping groove 3, thereby completing disassembly. When installation is required, the pull rod 10 is pulled to move to the front side, so that the clamping groove 3 is aligned with the limiting groove, and the clamping block 703 is aligned with the position not limited by the limiting strip 4 of the clamping groove 3 for installation. After installation, the pulling force on the pull rod 10 is released, so that the clamping block 703 can be installed into the clamping groove 3 to the position limited by the limiting strip 4, thereby completing installation.

[0028] The above specific embodiments are only preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A buffer-equipped quick-release caster, comprising a caster body (1) and a device support leg (2), characterized in that: The caster body (1) includes a mounting plate (101) and a shock absorbing plate (102), the bottom surface of the shock absorbing plate (102) is rotationally provided with a fixing frame (103), the left side of the fixing frame (103) is provided with a locking assembly (104), the inside of the fixing frame (103) is rotationally provided with a roller (105), the bottom surface of the equipment support leg (2) is provided with a clamping groove (3), the inside of the clamping groove (3) is provided with a set of limiting strips (4), the top surface of the mounting plate (101) is provided with two rectangular through grooves, the bottom surface of each of the two rectangular through grooves is provided with a sliding groove, the side of each of the two sliding grooves away from each other is provided with a slot, the inside of the sliding groove is provided with a limiting rod (5), the front end outer circle of the limiting rod (5) is sleeved with a spring (6), the rear end of the limiting rod (5) is slidingly provided with a limiting assembly (7), the side of each of the two limiting assemblies (7) away from each other is provided with a round rod (8), the outer circle of each of the round rods (8) is provided with a connecting rod (9), the same pull rod (10) is arranged between the two connecting rods (9), the bottom surface of the mounting plate (101) is provided with a plurality of buffer assemblies (11) and a buffer mechanism (12), the buffer mechanism (12) includes a fixed block (1201), the four surfaces of the fixed block (1201) are rotationally provided with a telescopic rod (1202), the outer circle of each of the telescopic rods (1202) is sleeved with a spring (1203), the bottom end of each of the telescopic rods (1202) is rotationally provided with a movable block (1204), the inner circle of each of the movable blocks (1204) is slidingly provided with a guide rod (1205), the outer circle of each of the guide rods (1205) is sleeved with a spring (1206).

2. The quick-release caster with a buffer according to claim 1, wherein, The top surface of the mounting plate (101) is combined with the bottom surface of the equipment support leg (2), the top surface of the mounting plate (101) is provided with two limiting grooves, the bottom surface of the equipment support leg (2) is provided with two limiting plates (13), the limiting plates (13) and the limiting grooves are in sliding connection.

3. The quick-release caster with a buffer according to claim 1, wherein, The limiting assembly (7) includes a sliding block (701), the top surface of the sliding block (701) is provided with a connecting block (702), the top surface of the connecting block (702) is provided with a clamping block (703).

4. The quick-release caster with a buffer according to claim 3, wherein, The outer wall of the sliding block (701) and the inner wall of the sliding groove are in sliding connection, the connecting block (702) and the rectangular through groove are in sliding connection, the connecting block (702) and the side of each set of limiting strips (4) close to each other are in sliding connection, the outer wall of the clamping block (703) and the inner wall of the clamping groove (3) are in sliding connection, the bottom surface of the clamping block (703) and the top surface of the limiting strip (4) are combined.

5. The quick-release caster with a buffer according to claim 1, wherein, The top surface of the pull rod (10) is provided with two fixed ear plates (14), the two fixed ear plates (14) are provided with a clamping rod (15), the front side of the equipment support leg (2) is provided with a C-shaped clamping block (16), the C-shaped clamping block (16) has elastic deformation ability, the clamping rod (15) is located in the inside of the C-shaped clamping block (16).

6. The quick-release caster with a buffer according to claim 1, wherein, Said buffer assembly (11) includes telescopic rod two (1101), the top of telescopic rod two (1101) and the bottom of mounting plate (101) are fixedly connected, the bottom of telescopic rod two (1101) and the inside top of shock pad (102) are fixedly connected, the outer ring of telescopic rod two (1101) is provided with spring four (1102).

7. The quick-release caster with a buffer according to claim 1, wherein, The top of fixed block (1201) and the bottom of mounting plate (101) are fixedly connected, the inside top of shock pad (102) is provided with a plurality of buffer grooves, the movable block (1204), the guide rod (1205), spring three (1206) are located in the inside of buffer groove, the movable block (1204) and buffer groove are slidably connected.

Images