Double-layer stable stainless steel cart

Abstract

The utility model discloses a double-layer stable stainless steel cart which comprises a bottom plate. By rotating the crank, the crank drives the rotating plate to rotate, the rotating plate drives the second transmission gear to rotate, the second transmission gear drives the first transmission gear to rotate, the first transmission gear drives the transmission shaft to rotate, the transmission shaft drives the intermittent gear to rotate, the intermittent gear drives the sliding block to slide towards the left side, and the sliding block drives the plug pin to move towards the left side. When the height of the stainless steel cart is adjusted, the bolt retreats from the inside of the groove, the needed height is adjusted through the telescopic rod, after adjustment is completed, the intermittent gear is rotated by a half circle to cancel meshing of the toothed plate, and the spring pushes the bolt to reset to clamp the groove in the surface of the telescopic rod, so that the stainless steel cart has the advantage of being fast in adjustment, and solves the problem that when the height of the stainless steel cart is adjusted. And the stainless steel cart is clamped through cooperation of the plug pins and the grooves, the extrusion force of the pipe clamp is prevented from being repeatedly adjusted, and the use efficiency of the stainless steel cart is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel carts, in particular to a double-layer stable stainless steel cart. Background Art

[0002] A stainless steel trolley is a common tool or equipment made of stainless steel. It has high strength and durability, can resist corrosion, is suitable for various environments, has a smooth surface, is easy to clean and maintain, and can be used in a variety of occasions, such as medical, catering, logistics, etc. It provides good stability to ensure the safety of loaded items. It is relatively light and easy to move and operate. The announcement number is CN220163909U, which announces a double-layer stable stainless steel trolley, including an upper plate and a lower plate. A plurality of rollers are fixedly connected to the lower part of the lower plate, a pipe sleeve is fixedly connected to the lower plate, a limiting column is arranged inside the pipe sleeve, a pipe clamp is arranged on the upper part of the pipe sleeve, and a telescopic rod is fixedly connected to the upper plate. The telescopic rod is movably matched with the upper part of the pipe sleeve to realize stable movement between the upper plate and the lower plate, solving the problem that the existing stainless steel trolley may cause the transported goods to fall due to bumps during transportation and is not stable enough. The trolley can be widely used in the field of stainless steel trolleys.

[0003] The above-mentioned prior art solutions have the following defects: when raising or lowering the stainless steel trolley, it is necessary to adjust the tightness of the pipe clamp, and the adjusted pipe rack will produce errors when it is loosened and cannot fix the telescopic rod well. It is necessary to manually try the fixing points many times to avoid the pipe clamp from squeezing too much force to tighten it, or squeezing too little force to fix it, which reduces the use efficiency of the stainless steel trolley and increases the debugging time of the stainless steel trolley. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a double-layer stable stainless steel trolley with the advantage of quick adjustment, which solves the problem that when raising or lowering the stainless steel trolley, it is necessary to adjust the tightness of the pipe clamp, and the adjusted pipe rack will produce errors in the loose state and cannot fix the telescopic rod well. It is necessary to manually try the fixing points many times to avoid the pipe clamp from squeezing too much force and failing to clamp, or squeezing too little force and failing to fix, which reduces the use efficiency of the stainless steel trolley and increases the debugging time of the stainless steel trolley.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-layer stable stainless steel trolley, comprising a base plate, the bottom of the base plate is fixedly connected to wheels, the number of the wheels is four, the top of the base plate is fixedly connected to telescopic rods, the number of the telescopic rods is four, the left side of the telescopic rod is fixedly connected to a shell, the top of the telescopic rod is fixedly connected to a top plate, the right side of the top of the top plate is fixedly connected to a handlebar, and an adjustment mechanism is provided on the top of the base plate.

[0006] As a preferred embodiment of the present invention, the adjusting mechanism includes a fixed frame, the fixed frame is fixedly connected to the interior of the shell, the top of the fixed frame is fixedly connected with a slide groove, the top of the slide groove is slidably connected with a slider, the left side of the slider is fixedly connected with a spring, the left side of the spring is fixedly connected to the interior of the shell, the right side of the slider is fixedly connected with a latch, the right side of the latch penetrates to the outside of the shell, the top of the slider is fixedly connected with a rack, the top of the rack is meshed with an intermittent gear, the number of the intermittent gears is two groups, the interior of one group of intermittent gears is sleeved with a transmission shaft, the outer side of the transmission shaft penetrates into the interior of the rear shell, the transmission shaft is fixedly connected to another group of intermittent gears one, the front side of the surface of the transmission shaft is fixedly sleeved with a transmission gear one, the transmission gear one is meshed with a transmission gear two, the front side of the shell is provided with a rotating plate, the inner side of the rotating plate penetrates into the interior of the shell, the inner side of the transmission gear two is fixedly connected to the outer side of the rotating plate, and the front side of the rotating plate is provided with a crank.

[0007] As a preferred embodiment of the present invention, a guardrail is fixedly connected to the top of the top plate, and the number of the guardrails is two.

[0008] As a preferred embodiment of the present invention, a folding seat is fixedly connected to the front side of the rotating plate, and the folding seat is rotatably connected to the crank.

[0009] As a preferred embodiment of the present invention, the telescopic rod is provided with grooves inside, the number of the grooves is several, and the several grooves are distributed at equal distances.

[0010] As a preferred embodiment of the present invention, a non-slip cover is fixedly connected to the surface of the handlebar, and the non-slip cover is located on the right side of the top plate.

[0011] As a preferred embodiment of the present invention, a shock absorbing spring is arranged inside the wheel, and the shock absorbing spring is located at the bottom of the base plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model drives the rotating plate to rotate by turning the crank handle, the rotating plate drives the transmission gear 2 to rotate, the transmission gear 2 drives the transmission gear 1 to rotate, the transmission gear 1 drives the transmission shaft to rotate, the transmission shaft drives the intermittent gear to rotate, the intermittent gear drives the slider to slide to the left, the slider drives the latch to move to the left, the latch withdraws from the inside of the groove, and the required height is adjusted by the telescopic rod. After the adjustment is completed, the intermittent gear is rotated half a circle to cancel the engagement with the tooth plate, and the spring pushes the latch to reset and clamp the groove on the surface of the telescopic rod. It has the advantage of fast adjustment and solves the problem that when the height of the stainless steel trolley is adjusted, the stainless steel trolley is clamped by the cooperation of the latch and the groove, and the extrusion force of the pipe clamp is repeatedly adjusted, thereby improving the use efficiency of the stainless steel trolley and reducing the debugging time of the stainless steel trolley.

[0014] 2. The utility model is provided with an adjustment mechanism, which can be achieved by turning the crank, the crank drives the rotating plate to rotate, the rotating plate drives the transmission gear 2 to rotate, the transmission gear 2 drives the transmission gear 1 to rotate, the transmission gear 1 drives the transmission shaft to rotate, the transmission shaft drives the intermittent gear to rotate, the intermittent gear drives the slider to slide to the left, the slider drives the pin to move to the left, the pin withdraws from the inside of the groove, and the required height is adjusted through the telescopic rod. After the adjustment is completed, the intermittent gear is rotated half a circle to cancel the engagement, and the spring pushes the pin to reset and clamp the groove on the surface of the telescopic rod, thereby improving the efficiency of height adjustment of the stainless steel trolley. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the spring of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the transmission shaft of the utility model;

[0018] Figure 4 It is a stereoscopic diagram of the telescopic rod of the utility model.

[0019] In the figure: 1. bottom plate; 2. wheel; 3. telescopic rod; 4. shell; 5. top plate; 6. handlebar; 7. adjustment mechanism; 71. fixing frame; 72. slide groove; 73. slider; 74. spring; 75. latch; 76. rack; 77. intermittent gear; 78. transmission shaft; 79. transmission gear 1; 710. transmission gear 2; 711. rotating plate; 712. crank; 9. guardrail; 10. folding seat; 11. groove; 12. anti-slip cover; 13. shock-absorbing spring. DETAILED DESCRIPTION

[0020] 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.

[0021] like Figures 1 to 4 As shown, the utility model provides a double-layer stable stainless steel trolley, including a base plate 1, a wheel 2 is fixedly connected to the bottom of the base plate 1, the number of the wheels 2 is four, a telescopic rod 3 is fixedly connected to the top of the base plate 1, the number of the telescopic rod 3 is four, a shell 4 is fixedly connected to the left side of the telescopic rod 3, a top plate 5 is fixedly connected to the top of the telescopic rod 3, a handlebar 6 is fixedly connected to the right side of the top of the top plate 5, and an adjustment mechanism 7 is provided on the top of the base plate 1.

[0022] refer to Figure 3 The adjusting mechanism 7 includes a fixing frame 71, which is fixedly connected to the inside of the housing 4. A slide groove 72 is fixedly connected to the top of the fixing frame 71. A slider 73 is slidably connected to the top of the slide groove 72. A spring 74 is fixedly connected to the left side of the slider 73. The left side of the spring 74 is fixedly connected to the inside of the housing 4. A latch 75 is fixedly connected to the right side of the slider 73. The right side of the latch 75 penetrates to the outside of the housing 4. A rack 76 is fixedly connected to the top of the slider 73. An intermittent gear 77 is meshed with the top of the rack 76. There are two groups of intermittent gears 77. A transmission shaft 78 is sleeved inside one of the intermittent gears 77, and the outer side of the transmission shaft 78 passes through the interior of the rear shell 4. The transmission shaft 78 is fixedly connected to another group of intermittent gears 77-1. A transmission gear 1 79 is fixedly sleeved on the front side of the surface of the transmission shaft 78. The transmission gear 1 79 is meshingly connected with a transmission gear 2 710. A rotating plate 711 is provided on the front side of the shell 4. The inner side of the rotating plate 711 passes through the interior of the shell 4, the inner side of the transmission gear 2 710 is fixedly connected to the outer side of the rotating plate 711, and a crank 712 is provided on the front side of the rotating plate 711.

[0023] As a technical optimization scheme of the utility model, an adjustment mechanism 7 is provided, which can rotate the crank 712, the crank 712 drives the rotating plate 711 to rotate, the rotating plate 711 drives the transmission gear 2 710 to rotate, the transmission gear 2 710 drives the transmission gear 1 79 to rotate, the transmission gear 1 79 drives the transmission shaft 78 to rotate, the transmission shaft 78 drives the intermittent gear 77 to rotate, the intermittent gear 77 drives the slider 73 to slide to the left, the slider 73 drives the latch 75 to move to the left, the latch 75 withdraws from the inside of the groove 11, and the required height is adjusted through the telescopic rod 3. After the adjustment is completed, the intermittent gear 77 is rotated half a circle to cancel the engagement, and the spring 74 pushes the latch 75 to reset and clamp the groove 11 on the surface of the telescopic rod 3, thereby improving the efficiency of height adjustment of the stainless steel cart.

[0024] refer to Figure 1 A guardrail 9 is fixedly connected to the top of the top plate 5, and the number of the guardrails 9 is two.

[0025] As a technical optimization solution of the utility model, by setting the guardrail 9, the items loaded on the top of the stainless steel cart top plate 5 can be protected and blocked to avoid the risk of the loaded items falling, thereby improving the protection effect of the transported items.

[0026] refer to Figure 1 A folding seat 10 is fixedly connected to the front side of the rotating plate 711 , and the folding seat 10 is rotatably connected to the crank 712 .

[0027] As a technical optimization solution of the utility model, by providing a folding seat 10, the crank handle 712 can be folded and stored, so as to avoid the exposed crank handle 712 from bumping against people during the pushing process, thereby improving the use effect of the crank handle 712.

[0028] refer to Figure 4 A groove 11 is provided inside the telescopic rod 3, and the number of the grooves 11 is several, and the several grooves 11 are distributed at equal distances.

[0029] As a technical optimization solution of the utility model, by setting the groove 11, it can be used in conjunction with the latch 75. The groove 11 is used to limit the lifting height of the telescopic rod 3, which reduces the need for personnel to repeatedly adjust the appropriate height and improves the use efficiency of the telescopic rod 3.

[0030] refer to Figure 1 A non-slip cover 12 is fixedly connected to the surface of the handlebar 6 , and the non-slip cover 12 is located on the right side of the top plate 5 .

[0031] As a technical optimization solution of the utility model, by providing an anti-slip cover 12, people can avoid the sweat in the palm of their hands causing the stainless steel handlebar 6 to slip when pushing the stainless steel cart, thereby increasing the surface friction and improving the use effect of the handlebar 6.

[0032] refer to Figure 1 A shock absorbing spring 13 is arranged inside the wheel 2 and is located at the bottom of the base plate 1 .

[0033] As a technical optimization solution of the utility model, by setting the shock-absorbing spring 13, it can avoid bumps in the gaps between buildings when people push the stainless steel cart, avoid the falling of top items, and improve the use efficiency of the stainless steel cart.

[0034] The working principle and use process of the utility model are as follows: when in use, by rotating the crank handle 712, the crank handle 712 drives the rotating plate 711 to rotate, the rotating plate 711 drives the transmission gear 2 710 to rotate, the transmission gear 2 710 drives the transmission gear 1 79 to rotate, the transmission gear 1 79 drives the transmission shaft 78 to rotate, the transmission shaft 78 drives the intermittent gear 77 to rotate, the intermittent gear 77 drives the rack 76 and the slider 73 to slide to the left, the slider 73 drives the latch 75 to move to the left, the latch 75 withdraws from the inside of the groove 11, and the required height is adjusted by the telescopic rod 3. After the adjustment is completed, the intermittent gear 77 is rotated half a circle to cancel the engagement with the tooth plate, and the spring 74 pushes the latch 75 to reset and clamp the groove 11 on the surface of the telescopic rod 3. When the height of the stainless steel trolley is adjusted, the stainless steel trolley is clamped by the cooperation of the latch 75 and the groove 11, thereby avoiding repeated adjustment of the extrusion force of the pipe clamp.

[0035] In summary: the double-layer stable stainless steel trolley, through the coordinated use of the bottom plate 1, wheels 2, telescopic rod 3, shell 4, top plate 5, handlebar 6 and adjustment mechanism 7, solves the problem that when the stainless steel trolley is raised or lowered, it is necessary to adjust the tightness of the pipe clamp. The adjusted pipe rack will produce errors in the loose state and cannot fix the telescopic rod well. It is necessary to manually try the fixing points many times to avoid the pipe clamp from squeezing too much force to tighten it, or squeezing too little force to fix it, which reduces the use efficiency of the stainless steel trolley and increases the debugging time of the stainless steel trolley.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layered, stable stainless steel trolley, comprising a bottom plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to a wheel (2), the number of the wheels (2) being four; the top of the base plate (1) is fixedly connected to a telescopic rod (3), the number of the telescopic rod (3) being four; the left side of the telescopic rod (3) is fixedly connected to a housing (4); the top of the telescopic rod (3) is fixedly connected to a top plate (5); the right side of the top of the top plate (5) is fixedly connected to a handlebar (6); and an adjustment mechanism (7) is provided on the top of the base plate (1).

2. A double-layered stable stainless steel trolley according to claim 1, characterized in that: The adjustment mechanism (7) comprises a fixing frame (71), wherein the fixing frame (71) is fixedly connected to the inside of the housing (4), a slide groove (72) is fixedly connected to the top of the fixing frame (71), a slider (73) is slidably connected to the top of the slide groove (72), a spring (74) is fixedly connected to the left side of the slider (73), the left side of the spring (74) is fixedly connected to the inside of the housing (4), a latch (75) is fixedly connected to the right side of the slider (73), the right side of the latch (75) passes through the outside of the housing (4), a rack (76) is fixedly connected to the top of the slider (73), an intermittent gear (77) is meshed with the top of the rack (76), and the intermittent gear (77) is meshed with the top of the intermittent gear (77). There are two groups, one of which is a transmission shaft (78) sleeved inside the intermittent gear (77), the outer side of the transmission shaft (78) passes through the interior of the rear shell (4), the transmission shaft (78) is fixedly connected to the other group of intermittent gears (77), the front side of the surface of the transmission shaft (78) is fixedly sleeved with a transmission gear 1 (79), the transmission gear 1 (79) is meshingly connected with a transmission gear 2 (710), the front side of the shell (4) is provided with a rotating plate (711), the inner side of the rotating plate (711) passes through the interior of the shell (4), the inner side of the transmission gear 2 (710) is fixedly connected to the outer side of the rotating plate (711), and the front side of the rotating plate (711) is provided with a crank (712).

3. A double-layered stable stainless steel trolley according to claim 1, characterized in that: A guardrail (9) is fixedly connected to the top of the top plate (5), and the number of the guardrails (9) is two.

4. A double-layered stable stainless steel trolley according to claim 2, characterized in that: A folding seat (10) is fixedly connected to the front side of the rotating plate (711), and the folding seat (10) is rotatably connected to the crank (712).

5. A double-layered stable stainless steel trolley according to claim 1, characterized in that: The telescopic rod (3) is provided with grooves (11) inside, and the number of the grooves (11) is a plurality, and the plurality of grooves (11) are distributed at equal distances.

6. A double-layered stable stainless steel trolley according to claim 1, characterized in that: An anti-slip cover (12) is fixedly connected to the surface of the handlebar (6), and the anti-slip cover (12) is located on the right side of the top plate (5).

7. A double-layered stable stainless steel trolley according to claim 1, characterized in that: A shock absorbing spring (13) is arranged inside the wheel (2), and the shock absorbing spring (13) is located at the bottom of the base plate (1).

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