Transfer cart for liquid crystal display screen production

Abstract

The utility model relates to the technical field of liquid crystal display screens, and discloses a transfer cart for liquid crystal display screen production, which comprises a cart assembly and a damping assembly fixedly connected to the lower end of the cart assembly, the cart assembly comprises a cart body, and a lower pressing plate fixedly connected to the top end of a telescopic rod. The damping assembly comprises a connecting plate, a piston rod is fixedly connected to the lower bottom face of the connecting plate, a piston is fixedly connected to the lower end of the piston rod, a damping spring is arranged at the lower end of the piston, a hydraulic cylinder is movably connected to the lower end of the damping spring, and an oil pipe is arranged on one side of the hydraulic cylinder. By arranging the damping assembly, the piston compresses the damping spring, meanwhile, hydraulic oil generates displacement in the hydraulic cylinder body through the oil pipe to conduct damping operation, when the damping spring rebounds, the hydraulic oil returns to an original cavity through an oil way, and the hydraulic oil returns to the original cavity through the oil way; the resilience force of the damping spring is absorbed.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display screens, in particular to a transfer cart for producing liquid crystal display screens. Background Art

[0002] Liquid crystal display (LCD) is a type of display used in digital clocks and many portable computers. LCD displays use two polarized materials with a liquid crystal solution between them. When an electric current passes through the liquid, the crystals are rearranged so that light cannot pass through them. The development of LCD display technology is in line with the current trend of information products. Whether it is right-angle display, low power consumption, small size, or zero radiation, it can allow users to enjoy the best visual environment.

[0003] Chinese patent document CN220032023U discloses a transfer cart for tile production, including a bottom plate frame with universal wheels, a plurality of fixed shafts arranged at equal distances are arranged on the bottom plate frame, and the fixed shafts are rotatably provided with support rollers distributed at equal distances, all the support rollers are divided into a plurality of groups of guide members along the length direction of the fixed shafts, a top plate frame with adjustable height is arranged on the upper side of the bottom plate frame, a limit clamping plate corresponding to the guide member is arranged at the bottom of the top plate frame, a groove is opened in the middle of one side of the limit clamping plate, a leather pad for squeezing tiles is inserted in the groove, and a pull rod is installed on the top of the leather pad. The transfer cart for tile production can transport tiles through the rotatable support rollers, facilitate loading and unloading of tiles, reduce friction during loading and unloading of tiles, avoid collision and damage of tiles, and quickly press and fix tiles, which is simple to operate and convenient to use, but the transfer device is not designed with a corresponding shock absorbing device, and the display screen is a product of high-speed technology. When bumps occur during the transfer process, the electronic components inside the display screen will be damaged, so that the display screen cannot be used normally. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing transfer device is not designed with a corresponding shock absorbing device. The display screen is a high-speed technology product. When bumps occur during the transfer process, the electronic components inside the display screen will be damaged, so that the display screen cannot be used normally. A transfer cart for liquid crystal display screen production is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a transfer cart for liquid crystal display screen production, including a cart assembly, and a shock-absorbing assembly fixedly connected to the lower end of the cart assembly. The cart assembly includes a cart body, a push rod fixedly connected to one side of the cart body, a handle fixedly connected to the outer side of the push rod, a telescopic rod fixedly connected to the top of the cart body, a tightening knob is provided on the telescopic rod, a lower pressure plate is fixedly connected to the top of the telescopic rod, and multiple groups of clamping parts are fixedly installed on the top of the cart body and the lower bottom surface of the lower pressure plate. The shock-absorbing assembly includes a connecting plate, the connecting plate is fixedly installed on the lower bottom surface of the cart body, a piston rod is fixedly connected to the lower bottom surface of the connecting plate, a piston is fixedly connected to the lower end of the piston rod, a shock-absorbing spring is provided at the lower end of the piston, and the lower end of the shock-absorbing spring is movably connected to a hydraulic cylinder body, an oil pipe is provided on one side of the hydraulic cylinder body, a base is fixedly connected to the lower end of the hydraulic cylinder body, and a universal wheel is fixedly installed on the lower bottom surface of the base.

[0006] Preferably, the clamping member comprises a fixing frame, a groove is formed on the fixing frame, a spring is arranged inside the groove, one end of the spring is fixedly connected to a clamping block, two groups of clamping blocks are arranged, and each group of clamping blocks is arranged with two;

[0007] Used to clamp and fix the LCD screen to prevent collision between the LCD screens during transportation.

[0008] Preferably, the push rods are provided in two groups, and a support rod is fixedly connected between the two groups of push rods;

[0009] Used to increase stability between putters.

[0010] Preferably, the outer surface of the handle is wrapped with a comfort layer, and the comfort layer is a component made of rubber;

[0011] Used to give users a better experience.

[0012] Preferably, the outer surface of the fastening knob is provided with a plurality of anti-slip grooves;

[0013] It is used to increase the friction between the tightening knob and the hand, so that the user can more conveniently turn the tightening knob to adjust the extended length of the telescopic rod.

[0014] Preferably, a mounting groove is provided on the piston, and a sealing ring is provided on the inner surface of the mounting groove, and the sealing ring is a component made of rubber;

[0015] Used to increase the sealing between the piston and the inner wall of the hydraulic cylinder.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model proposes a transfer cart for producing liquid crystal display screens. By setting a shock-absorbing component, a hydraulic rod drives the piston to move. When the piston compresses the shock-absorbing spring, the hydraulic oil is displaced inside the hydraulic cylinder through the oil pipe to perform shock-absorbing operation. When the shock-absorbing spring rebounds, the hydraulic oil returns to the original chamber through the oil circuit to absorb the rebound force of the shock-absorbing spring.

[0018] 2. The utility model proposes a transfer cart for the production of liquid crystal display screens. By setting a cart assembly, the display screen is placed on a clamping piece, and then the clamping piece is gently pressed downward to move into a groove. The display screen is clamped due to a spring. After all the display screens are placed, the tightening knob is rotated to move the telescopic rod downward so that the clamping piece on the lower pressure plate clamps and fixes the top of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of a shock absorbing assembly of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0021] Figure 3 This is a cross-sectional schematic diagram of a shock-absorbing assembly of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the overall structure of a clamping member of a transfer cart for producing a liquid crystal display screen proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of a push rod of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0024] Figure 6 This is a schematic diagram of the explosion of a piston of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0025] Figure 7 This is an enlarged schematic diagram of point A of a transfer cart for producing liquid crystal display screens proposed by the utility model;

[0026] Legend:

[0027] 1. Trolley assembly; 11. Trolley body; 12. Clamping piece; 121. Fixed frame; 122. Groove; 123. Spring; 124. Clamping block; 13. Push rod; 131. Support rod; 14. Handle; 141. Comfort layer; 15. Telescopic rod; 16. Fastening knob; 161. Anti-skid groove; 17. Lower pressure plate; 2. Shock-absorbing assembly; 21. Connecting plate; 22. Piston rod; 23. Piston; 231. Mounting groove; 232. Sealing ring; 24. Shock-absorbing spring; 25. Hydraulic cylinder; 26. Oil pipe; 27. Base; 28. Universal wheel. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Reference Figure 1-7The utility model provides an embodiment: a transfer cart for liquid crystal display production, including a cart assembly 1, and a shock absorbing assembly 2 fixedly connected to the lower end of the cart assembly 1, the cart assembly 1 includes a cart body 11, a push rod 13 is fixedly connected to one side of the cart body 11, and a handle 14 is fixedly connected to the outer side of the push rod 13, which is convenient for users to push the cart body 11, and a telescopic rod 15 is fixedly connected to the top of the cart body 11 to adjust the height of the lower pressure plate 17. A tightening knob 16 is provided on the telescopic rod 15, and a lower pressure plate 17 is fixedly connected to the top of the telescopic rod 15. Multiple groups of clamping parts are fixedly installed on the top of the cart body 11 and the bottom surface of the lower pressure plate 17. 12. The bottom and top of the display screen are clamped and fixed. The shock-absorbing assembly 2 includes a connecting plate 21, which is fixedly installed on the lower bottom surface of the cart body 11. The lower bottom surface of the connecting plate 21 is fixedly connected with a piston rod 22. The lower end of the piston rod 22 is fixedly connected with a piston 23. The lower end of the piston 23 is provided with a shock-absorbing spring 24, which performs shock-absorbing operation on the entire device. The lower end of the shock-absorbing spring 24 is movably connected to a hydraulic cylinder body 25. An oil pipe 26 is provided on one side of the hydraulic cylinder body 25 to facilitate the movement of hydraulic oil between the two chambers. The lower end of the hydraulic cylinder body 25 is fixedly connected with a base 27. The lower bottom surface of the base 27 is fixedly installed with a universal wheel 28 to facilitate the movement of the entire transfer cart.

[0031] The clamping member 12 includes a fixing frame 121, a groove 122 is provided on the fixing frame 121, a spring 123 is provided inside the groove 122, and a clamping block 124 is clamped on the display screen by the rebound force of the spring 123, one end of the spring 123 is fixedly connected to the clamping block 124, and the clamping block 124 is provided with two groups, and each group of clamping blocks 124 is provided with two groups, and the push rod 13 is provided with two groups, and a support rod 131 is fixedly connected between the two groups of push rods 13 to increase the stability between the push rods 13 The outer surface of the handle 14 is wrapped with a comfort layer 141, which is a component made of rubber and provides the user with a better user experience. The outer surface of the fastening knob 16 is provided with multiple groups of anti-slip grooves 161 to increase the friction between the fastening knob 16 and the user's hand. The piston 23 is provided with a mounting groove 231, and the inner surface of the mounting groove 231 is provided with a sealing ring 232. The sealing ring 232 is a component made of rubber and increases the sealing between the piston 23 and the hydraulic cylinder body 25.

[0032] Working principle: first put the display screen on the clamping piece 12, then press downward lightly to make the two sets of clamping blocks 124 move into the groove 122, and use the resilience of the spring 123 to fix the display screen, then rotate the tightening knob 16 to adjust the height of the telescopic rod 15, so that the lower pressure plate 17 drives the clamping piece 12 to move downward, clamping and fixing the top of the display screen, and when vibration occurs during transportation, the shock-absorbing spring 24 is compressed by the piston 23, and the hydraulic oil in the hydraulic cylinder body 25 moves between the two chambers through the oil circuit 26 to perform shock-absorbing operations.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transfer cart for producing liquid crystal display screens, comprising a cart assembly (1), and a shock absorbing assembly (2) fixedly connected to the lower end of the cart assembly (1), characterized in that: The cart assembly (1) comprises a cart body (11), a push rod (13) is fixedly connected to one side of the cart body (11), a handle (14) is fixedly connected to the outer side of the push rod (13), a telescopic rod (15) is fixedly connected to the top of the cart body (11), a tightening knob (16) is provided on the telescopic rod (15), a lower pressure plate (17) is fixedly connected to the top of the telescopic rod (15), a plurality of groups of clamping members (12) are fixedly installed on the top of the cart body (11) and the bottom surface of the lower pressure plate (17), and the shock absorbing assembly (2) comprises a connecting plate ( The connecting plate (21) is fixedly mounted on the lower bottom surface of the cart body (11), the lower bottom surface of the connecting plate (21) is fixedly connected with a piston rod (22), the lower end of the piston rod (22) is fixedly connected with a piston (23), the lower end of the piston (23) is provided with a shock absorbing spring (24), the lower end of the shock absorbing spring (24) is movably connected with a hydraulic cylinder body (25), one side of the hydraulic cylinder body (25) is provided with an oil pipe (26), the lower end of the hydraulic cylinder body (25) is fixedly connected with a base (27), and the lower bottom surface of the base (27) is fixedly mounted with a universal wheel (28).

2. A transfer cart for liquid crystal display production according to claim 1, characterized in that: The clamping member (12) comprises a fixing frame (121), the fixing frame (121) is provided with a groove (122), a spring (123) is arranged inside the groove (122), one end of the spring (123) is fixedly connected to a clamping block (124), two groups of clamping blocks (124) are arranged, and each group of clamping blocks (124) is provided with two.

3. The transfer cart for producing liquid crystal display screens according to claim 1, characterized in that: The push rods (13) are provided in two groups, and a support rod (131) is fixedly connected between the two groups of push rods (13).

4. The transfer cart for producing liquid crystal display screens according to claim 1, characterized in that: The outer surface of the handle (14) is wrapped with a comfort layer (141), and the comfort layer (141) is a component made of rubber.

5. The transfer cart for producing liquid crystal display screens according to claim 1, characterized in that: The outer surface of the fastening knob (16) is provided with a plurality of groups of anti-slip grooves (161).

6. The transfer cart for producing liquid crystal display screens according to claim 1, characterized in that: The piston (23) is provided with a mounting groove (231), and a sealing ring (232) is provided on the inner surface of the mounting groove (231). The sealing ring (232) is a component made of rubber.

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