CN212047455U - Lifting cart - Google Patents

Abstract

A lifting cart relates to the field of transportation devices. The lifting cart comprises a cart body with a storage cavity, a tray arranged in the storage cavity and at least one electric push rod used for driving the tray to move along the height direction, wherein the inner wall of the cart body is provided with at least one sliding groove extending along the height direction, the tray is connected with a pulley which is arranged in the corresponding sliding groove in a sliding manner, at least one limit switch is arranged on the moving track of the pulley, the limit switch is electrically connected with each electric push rod, and each electric push rod is closed when the limit switch is collided with the corresponding pulley. The application provides a lift shallow can freely adjust the height of tray in order to receive and transport the plasma bag of co-altitude not.

Description

Lifting cart

Technical Field

The application relates to the field of transportation devices, in particular to a lifting trolley.

Background

Blood center or plasma collection station are when turnover plasma, will transport the plasma bag with the plasma shallow for the transportation convenience, general plasma transport shallow all is the individual layer and highly fixed, be used for matcing with individual layer frozen machine, make things convenient for the transmission of whole dish plasma from the quick-freezer in to the shallow panel, but if meet double-deck frozen machine time, owing to deposit the highly inconsistent of plasma, it is just very inconvenient to use the shallow of individual layer highly fixed to realize the high plasma transmission of multilayer, the transportation height of plasma transport shallow is fixed simultaneously, can not adapt to the not high frozen machine yet.

Therefore, a plasma transport cart capable of flexibly adjusting the height of the plasma receiving bag is required to meet the use requirement.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a lift shallow, its height that can freely adjust the tray is in order to receive and transport the plasma bag of co-altitude not.

The embodiment of the application is realized as follows:

the embodiment of the application provides a lifting trolley, it is including the shallow body that has the storing chamber, locate the tray and at least one electric putter that are used for driving the tray and remove along the direction of height in the storing chamber, shallow body inner wall is equipped with at least one spout that extends along the direction of height, the tray is connected with and slides and locates the pulley in corresponding the spout, be equipped with at least one limit switch on the removal orbit of pulley, limit switch is connected with each electric putter electricity, limit switch is used for closing each electric putter when colliding with corresponding pulley.

In some optional embodiments, two limit switches are arranged on the moving track of the pulley, and the two limit switches are respectively positioned above and below the tray.

In some alternative embodiments, the limit switch is configured to be movable in the height direction.

In some optional embodiments, a screw rod extending in the height direction, a lifting seat sleeved on the screw rod through threads, and a lifting motor for driving the screw rod to rotate are arranged in the storage cavity, and the limit switch is connected with the lifting seat.

In some optional embodiments, a sliding block is arranged in the sliding groove and can move along the sliding block, the sliding block is connected with a moving seat located outside the sliding groove, the limit switch is connected with the sliding block, the moving seat is connected with a locking bolt through threads, and the locking bolt is configured to move along the axial direction of the locking bolt to press or stop pressing the corresponding sliding groove.

In some optional embodiments, the cart body is provided with a switch electrically connected with each electric push rod, and the switch is used for controlling the electric push rods to extend and retract.

In some optional embodiments, the cart body comprises a bottom plate, side plates respectively connected with two sides of the bottom plate, and a support plate connected with one end of the bottom plate, wherein four corners of the bottom plate are respectively connected with a wheel.

The beneficial effect of this application is: the lift shallow that this embodiment provided is including having the shallow body in storing chamber, locate tray and at least one electric putter that is used for driving the tray and removes along the direction of height in the storing chamber, shallow body inner wall is equipped with at least one spout that extends along the direction of height, the tray is connected with and slides and locates the pulley in corresponding the spout, be equipped with at least one limit switch on the removal orbit of pulley, limit switch is connected with each electric putter electricity, limit switch is used for closing each electric putter when colliding with corresponding pulley. The application provides a lift shallow can freely adjust the height of tray in order to receive and transport the plasma bag of co-altitude not.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a cross-sectional view of a lift cart provided in embodiment 1 of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of a slide block and a movable base in the lifting cart provided in embodiment 1 of the present application;

fig. 4 is a cross-sectional view of the lifting cart provided in embodiment 2 of the present application;

fig. 5 is a sectional view taken along line B-B in fig. 4.

In the figure: 100. a cart body; 101. a base plate; 102. a side plate; 103. a support plate; 104. a wheel; 110. a storage chamber; 120. a guide rail; 130. a chute; 140. a tray; 150. a pulley; 160. an electric push rod; 170. a limit switch; 200. a screw; 210. a movable seat; 220. a lifting motor; 221. a lifting seat; 230. a slider; 240. locking the bolt; 250. and (4) switching.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and performance of the lift truck of the present application are described in further detail below in conjunction with the examples.

Example 1

As shown in fig. 1, 2 and 3, an embodiment of the present application provides a lifting cart, which includes a cart body 100, the cart body 100 includes a bottom plate 101, side plates 102 respectively connected to two sides of the bottom plate 101, and a support plate 103 connected to one end of the bottom plate 101, the two side plates 102, and the support plate 103 enclose a storage cavity 110, four corners of the bottom plate 101 are respectively connected to a wheel 104, a tray 140 is disposed in the storage cavity 110, two sides of the bottom plate 101 are respectively provided with a vertically disposed electric push rod 160, two ends of the electric push rod 160 are respectively connected to the bottom plate 101 and the tray 140, one side of the two adjacent side plates 102 is respectively provided with a guide rail 120, each guide rail 120 is provided with a sliding groove 130 extending along a height direction, the tray 140 is connected to two pulleys 150, the two pulleys 150 are respectively slidably disposed in the two sliding grooves 130, the guide rail 120 is provided with a switch 250, the switch 250 is used for controlling the extension and retraction of each electric push rod 160; a sliding block 230 capable of moving along the sliding groove 130 is arranged in one sliding groove 130, the sliding block 230 is connected with an L-shaped moving seat 210 with one end extending out of the sliding groove 130, the moving seat 210 is connected with a locking bolt 240 through threads, the locking bolt 240 moves along the axial direction thereof to press or stop pressing the corresponding guide rail 120 when rotating, and the sliding block 230 and the moving seat 210 are connected into a whole; the sliding block 230 is connected with a limit switch 170 positioned on the moving track of the corresponding pulley 150, the limit switch 170 is electrically connected with each electric push rod 160, the limit switch 170 is used for closing each electric push rod 160 when colliding with the corresponding pulley 150, and the limit switch 170 is positioned above the tray 140.

When the lifting cart provided by the embodiment of the application is used, a user firstly adjusts the height of the limit switch 170 so as to control the tray 140 to move up and down between an original height position and the height of the limit switch 170, specifically, the user firstly rotates the locking bolt 240 to move the locking bolt to stop abutting against the guide rail 120 along the axial direction, then moves the slider 230 to adjust the limit switch 170 to a preset height along the chute 130, reversely rotates the locking bolt 240 to move the locking bolt to abut against the guide rail 120 along the axial direction, so that the slider 230 and the guide rail 120 are locked and fixed, at this time, the user can drive the two electric push rods 160 to extend out to drive the tray 140 to ascend through the switch 250 until the pulley 150 connected with the tray 140 collides with the limit switch 170, the limit switch 170 controls the two electric push rods 160 to close, so that the tray 140 moves to the preset height, and in addition, the user can control the two electric push rods 160 to, thereby controlling the tray 140 to move between the original height and the preset height, and facilitating the receiving, conveying and discharging of the plasma bags of different heights.

In some alternative embodiments, the number of the guide rails 120 arranged on the inner wall of the cart body 100 may also be one, three, four or more than four; in some optional embodiments, one of the guiding rails 120 may further be connected to two liftable limit switches 170, the two limit switches 170 are respectively located above and below the tray 140, each limit switch 170 is connected to a sliding block 230 slidably disposed in the sliding groove 130, each sliding block 230 is connected to a moving seat 210 located outside the sliding groove 130, each moving seat 210 is connected to a locking bolt 240 through a thread, each locking bolt 240 axially moves along the sliding block when rotating to press or stop pressing the corresponding guiding rail 120, when the electric push rod 160 pushes the tray 140 to ascend and descend, the pulley 150 collides with the corresponding two limit switches 170, so that the two limit switches 170 are used to control the electric push rod 160 to close, so that the tray 140 is moved to the height of the two limit switches 170 by the electric push rod 160, thereby facilitating a user to adjust the heights of the two limit switches 170 to control the tray 140 to ascend and descend to two different preset heights, so as to be suitable for the receiving, conveying and discharging operations of the plasma bags with different heights.

Example 2

As shown in fig. 4 and 5, the lifting cart provided in the embodiment of the present application has substantially the same structure as the lifting cart in embodiment 1, except that in this embodiment, the sliding block 230 and the locking bolt 240 are not provided, but a screw rod 200 extending in the height direction, a lifting seat 221 sleeved on the screw rod 200 through a thread, and a lifting motor 220 for driving the screw rod 200 to rotate are provided in the storage cavity 110, one side of the lifting seat 221 presses against the inner wall of the side plate 102, and the limit switch 170 is connected to the lifting seat 221.

The lifting cart provided by this embodiment uses the lifting motor 220 to drive the screw rod 200 to rotate, so that the lifting seat 221 sleeved on the driving screw rod 200 is lifted, and the heights of the lifting seat 221 and the limit switch 170 are adjusted, thereby facilitating a user to adjust the height of the limit switch 170, and enabling the user to adjust the tray 140 to move between an original height and a preset height by using the limit switch 170 and the matching pulley 150.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (7)

1. The utility model provides a lift shallow, its characterized in that, its including have the storing chamber the shallow body, locate tray and at least one in the storing chamber are used for the drive the tray is along the electric putter that direction of height removed, shallow body inner wall is equipped with at least one spout that extends along direction of height, the tray is connected with to slide and locates and corresponds pulley in the spout, be equipped with at least one limit switch on the removal orbit of pulley, limit switch with each the electric putter electricity is connected, limit switch be used for with correspond close each during the pulley collision electric putter.

2. The lifting cart according to claim 1, wherein two of the limit switches are disposed on the moving track of the pulley, and the two limit switches are respectively disposed above and below the tray.

3. The lift cart of claim 1, wherein the limit switch is configured to be movable in the height direction.

4. The lifting cart according to claim 3, wherein a screw rod extending in the height direction, a lifting seat sleeved on the screw rod through threads, and a lifting motor for driving the screw rod to rotate are arranged in the storage cavity, and the limit switch is connected with the lifting seat.

5. The lift cart of claim 3, wherein a slide block is disposed in the slide slot and is movable along the slide slot, the slide block is connected to a movable seat located outside the slide slot, the limit switch is connected to the slide block, the movable seat is connected to a locking bolt through a thread, and the locking bolt is configured to be movable along an axial direction thereof to abut against or stop abutting against the corresponding slide slot.

6. The lifting cart according to claim 1, wherein the cart body is provided with a switch electrically connected with each of the electric push rods, and the switch is used for controlling the electric push rods to extend and retract.

7. The lifting cart of claim 1, wherein the cart body comprises a bottom plate, side plates respectively connected to two sides of the bottom plate, and a support plate connected to one end of the bottom plate, and each of four corners of the bottom plate is connected to a wheel.

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