CN212280461U - Compact shelf transmission mechanism and compact shelf using same - Google Patents
Compact shelf transmission mechanism and compact shelf using same Download PDFInfo
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- CN212280461U CN212280461U CN202020098693.3U CN202020098693U CN212280461U CN 212280461 U CN212280461 U CN 212280461U CN 202020098693 U CN202020098693 U CN 202020098693U CN 212280461 U CN212280461 U CN 212280461U
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Abstract
The utility model belongs to the technical field of compact shelving, and discloses a compact shelving transmission mechanism and a compact shelving applying the same. This intensive drive mechanism includes: the guide rail is used for being fixed on a fixed foundation; and the rollers are rotatably connected to the base of the compact shelf, an annular groove is formed in the peripheral wall of each roller, and the annular groove is in rolling connection with the top of the guide rail. The guide rail is of a strip-shaped columnar structure, the length of the upper bottom edge of the longitudinal section of the guide rail is smaller than that of the lower bottom edge of the guide rail, and the two side faces of the annular groove are matched with the plane where the waist of the trapezoid is located, so that the roller can be attached to the top of the guide rail through the two side faces of the annular groove. The utility model discloses a compact shelf drive mechanism can improve the stability when compact shelf removes.
Description
Technical Field
The utility model belongs to the technical field of intensive, concretely relates to intensive drive mechanism and use its intensive.
Background
Compact shelf, have save use area, make full use of space, improve the storage capacity, can form advantages such as airtight protection when closing the shelf state, can be better applied to the depositing of data such as archives, file data, books, literature, so often by places such as archives, library, bank, public inspection law office and museum extensively use. Dense racks often need to be moved to access data during use. Among the prior art, compact shelf's compact shelf drive mechanism includes: the movable rack comprises a ground rail fixed on the ground, a guide rail fixed on the ground rail and a plurality of groups of idler wheels in rolling connection with the guide rail, wherein the plurality of groups of idler wheels are in rotating connection with the bottom of the movable rack so that the idler wheels can drive the movable rack to move when moving relative to the guide rail.
However, the dense racks of the prior art often have the following disadvantages in use: one is the problem of vibration and noise. The generation reason is as follows: the ground rail is usually a sheet metal part, the material of the ground rail is usually low-carbon steel, and the weight of the compact shelf is easy to deform the ground rail under stress, so that the compact shelf is easy to generate vibration and noise when moving; and on the other hand, the roller is easy to be stuck when rolling. The generation reason is as follows: one is that the surface of the guide rail is easy to deposit dust or sundries, and the dust or the sundries are easy to enter the matching surface of the roller and the track, so that the roller cannot move; the other is that when the compact shelf is inclined or the roller on one side is blocked, the friction force between the rest rollers and the matching surface of the guide rail is increased easily to cause the problem that the roller is blocked; in addition, the above problem also easily causes the problem of derailment of the roller in the prior art, thereby reducing the safety and stability when the compact shelf is moved.
Aiming at the defects of the prior art, a person skilled in the art needs to find a compact shelf transmission mechanism which can improve the stability of the compact shelf when the transmission mechanism is applied to the compact shelf.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability of the compact shelf during moving, the utility model aims to provide a compact shelf transmission mechanism.
According to the utility model discloses a compact shelving transmission mechanism includes: the guide rail is used for being fixed on a fixed foundation; and the rollers are rotatably connected to the base of the compact shelf, an annular groove is formed in the peripheral wall of each roller, and the annular groove is in rolling connection with the top of the guide rail. The guide rail is of a strip-shaped columnar structure, the length of the upper bottom edge of the longitudinal section of the guide rail is smaller than that of the lower bottom edge of the guide rail, and the two side faces of the annular groove are matched with the plane where the waist of the trapezoid is located, so that the roller can be attached to the top of the guide rail through the annular groove.
Further, the roller further includes annular flanges formed on opposite sidewalls of the annular groove for clamping the guide rail.
Further, the trapezoid is configured as an isosceles trapezoid, and a gap is formed between a plane where an upper bottom edge of the isosceles trapezoid is located and the bottom surface of the annular groove.
Further, the compact shelving transmission mechanism further comprises a ground rail fixed between the fixed foundation and the guide rail, the ground rail comprises a bottom plate fixedly connected with the fixed foundation, the guide rail is fixed on the bottom plate, and two opposite side edges of the bottom plate in the length direction of the guide rail are bent in the direction facing each other to form a bent part.
Furthermore, compact shelving transmission mechanism still includes that one end is used for with the base fixed connection of compact shelving, and the other end forms hook complex with the portion of bending and prevents the barb, prevents that the barb includes two vertical boards that set up relatively in the both sides of gyro wheel along the axial of gyro wheel and sets up relatively in the two horizontal plates of the both sides of gyro wheel along the axial of gyro wheel. The end part of the horizontal plate extends into the bending part along the direction far away from the roller, and forms sliding butt with the bending part.
Furthermore, a plurality of fixing holes are formed on the bottom plate, and the fixing holes are formed on two sides of the guide rail at intervals along the length direction of the guide rail. Wherein, the fixing holes on both sides are arranged in a mutually crossed way.
Further, the compact shelving transmission mechanism also comprises an expansion screw which is used for penetrating through the fixing hole and fixing the bottom plate.
Furthermore, the compact shelving transmission mechanism also comprises a driving device for driving each roller to rotate, and the driving device comprises a driving motor fixedly connected with the base of the compact shelving, a first transmission shaft connected with the driving motor, and a second transmission shaft fixedly connected with each roller along the axial direction of each roller. The second transmission shaft is rotatably connected to the base of the compact shelf and forms chain transmission with the first transmission shaft.
Further, the material of gyro wheel and ground rail is cast iron, and the material of guide rail is steel.
The utility model also provides a compact shelf, including compact shelf base and at least two above-mentioned compact shelf drive mechanisms that set up on the compact shelf base parallelly and at intervals.
Compared with the prior art, the utility model discloses compact shelf drive mechanism has the following several advantages: on one hand, the contact between the roller of the compact shelf transmission mechanism and the guide rail belongs to line contact, the line is obliquely crossed with the axis of the roller and rotates around the axis of the roller at a high speed, meanwhile, the line is in instantaneous contact with the trapezoidal surface of the guide rail, and the roller can generate continuous scraping effect on the trapezoidal surface of the guide rail in the rolling process relative to the guide rail, so that the cleanness of the trapezoidal surface of the guide rail can be effectively ensured, and the problem that the roller is blocked due to dust accumulation or sundries on the trapezoidal surface is avoided; on the other hand, the inner surface of the annular groove of the roller has good contour consistency with the trapezoidal surface of the guide rail, so that the roller can smoothly roll on the guide rail, and the noise generated during high-speed operation can be greatly reduced; in addition, the inner surface of the annular groove of the roller is in line contact with the trapezoidal surface of the guide rail, so that the precision requirement on the installation reference surface can be greatly reduced, and time and labor are saved during assembly.
Drawings
Fig. 1 is a schematic structural view of a compact shelf according to an embodiment of the present invention, wherein a schematic connection diagram of a compact shelf base and a compact shelf transmission mechanism according to an embodiment of the present invention is shown;
FIG. 2 is a front view of the compact shelf shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the compact shelf shown in FIG. 2 at A;
fig. 4 is a schematic structural view of the expansion screw shown in fig. 3.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
Fig. 1 shows a structure of a compact shelf 200 according to an embodiment of the present invention, wherein a connection diagram of a compact shelf base 3 and a compact shelf transmission mechanism 100 according to an embodiment of the present invention is shown. As shown in fig. 1 and 3, the compact shelving transmission mechanism 100 includes: a guide rail 1 for fixing on a fixed base; and a plurality of rollers 2 which are rotatably connected on the base 3 of the compact shelf, wherein an annular groove 21 is formed on the peripheral wall of each roller 2, and the annular groove 21 is in rolling connection with the top of the guide rail 1. The guide rail 1 is of a strip-shaped columnar structure, the length of the upper bottom edge of the longitudinal section of the guide rail 1 is smaller than that of the trapezoid 11 on the lower bottom edge, and the two side surfaces of the annular groove 21 are matched with the plane where the waist of the trapezoid 11 is located, so that the roller 2 can be attached to the top of the guide rail 1 through the annular groove 21.
When the compact shelving transmission mechanism 100 of the embodiment of the present invention is used, the guide rail 1 is fixed on a fixed base (for example, the ground) along the moving direction of the compact shelving using the guide rail. The axis of the roller 2 is perpendicular to the length direction of the guide rail 1 and is connected on the base 3 of the compact shelf in a rotating way, and the roller is connected with the guide rail 1 in a rolling way. The utility model discloses compact shelving transmission mechanism 100 constructs the length on the base for the longitudinal section of guide rail 1 and is less than the trapezoidal on base down to construct the annular groove 21 of gyro wheel 2 for the plane phase-match at trapezoidal 11 waist place, make the annular groove 21 and the fitting surface of guide rail 1 form the face of relative slope. Through this setting, compare with prior art, the utility model discloses compact shelf drive mechanism 100 has the following several advantages of aspect: on one hand, the compact shelf transmission mechanism 100 of the embodiment of the present invention sets the matching surface of the roller 2 and the guide rail 1 as a relatively inclined surface, so that the roller 2 and the contact to the guide rail 1 belong to a line contact, the line is obliquely crossed with the axis of the roller 2 and rotates around the axis of the roller 2 at a high speed, and simultaneously the line and the trapezoidal surface of the guide rail 1 form an instantaneous contact, and the roller 2 is in a rolling process relative to the guide rail 1, the line is the trapezoidal surface approaching the guide rail 1 at a high speed and is in instantaneous contact, and then leaves at a high speed, so that a continuous "scraping" effect can be generated on the trapezoidal surface of the guide rail 1, and further the cleanness of the trapezoidal surface of the guide rail 1 can be effectively ensured, and the problem that the roller 2 is stuck due to ash accumulation; on the other hand, the inner surface of the annular groove 21 of the roller 2 has good contour consistency with the trapezoidal surface of the guide rail 1, so that the roller 2 forms smooth rolling on the guide rail 1, and the noise in high-speed operation can be greatly reduced; in addition, the inner surface of the annular groove 21 of the roller 2 is in line contact with the trapezoidal surface of the guide rail 1, so that the precision requirement on the installation reference surface can be greatly reduced, and time and labor are saved during assembly.
In a preferred embodiment as shown in fig. 3, the roller 2 may further include annular flanges 22 formed on opposite sidewalls of the annular groove 21 for clamping the guide rail 1. Through this setting, gyro wheel 2 is when the gyro wheel for guide rail 1, and annular flange 22 can continuously carry out effective centre gripping to guide rail 1, like this, when there is dust meeting debris and cause gyro wheel 2 and guide rail 1 to form the time breaking away from in the contact surface of gyro wheel 2 and guide rail 1, and annular flange 22 can prescribe a limit to the position of gyro wheel 2 effectively to avoid gyro wheel 2 to take place the problem of derailing. In addition, the derailing problem caused by the high rolling speed of the roller 2 can be effectively avoided, and the stability of the matching between the roller 2 and the guide rail 1 can be effectively improved.
In a preferred embodiment, the trapezoid may be configured as an isosceles trapezoid, and a gap may be formed between a plane where an upper base of the isosceles trapezoid is located and a bottom surface of the annular groove 21. Through the arrangement, on one hand, after the plane where the isosceles trapezoid waist is located is attached to the inner surface of the annular groove 21 of the roller 2, the stress on two sides of the roller 2 can be balanced when the roller rolls relative to the guide rail 1, so that the stability of the compact shelf transmission mechanism 100 in use can be effectively improved; on the other hand, when the roller 2 rolls relatively to the guide rail 1 for a long time to cause the wear of the trapezoidal surface of the guide rail 1, the roller 2 can slightly move towards the guide rail 1 through the gap, and simultaneously the side surface of the annular groove 21 is kept to be well attached to the trapezoidal surface of the guide rail 1, so that the worn part can be effectively compensated, the dense frame using the roller can be kept with good stability in the moving process, and the problems of shaking and the like are avoided.
In a preferred embodiment as shown in fig. 3, the compact shelving transmission mechanism 100 can further comprise a ground rail 4 fixed between the fixed foundation and the guide rail 1, the ground rail 4 can comprise a bottom plate 41 for fixed connection with the fixed foundation, the guide rail 1 is fixed on the bottom plate 41, and two opposite side edges of the bottom plate 41 in the length direction of the guide rail 1 are configured to be bent in a direction toward each other to form a bent portion 42. The ground rail 4 is usually a sheet metal part, the material of which is usually low carbon steel, and the weight of the compact shelving easily deforms the ground rail 4 under force, so that the compact shelving is easy to generate vibration and noise when moving. The utility model discloses a bend for following orientation direction each other at two relative side structures of bottom plate 41 to form the portion 42 of bending, can improve the holistic structural strength of ground rail 4 effectively, thereby avoid ground rail 4 to take place because of the easy problem that produces deformation of atress, and then can reduce the intensive frame effectively and produce vibration and noise easily when removing. Preferably, the material of the ground rail 4 is also selected to be cast iron, so as to further improve the overall structural strength of the ground rail 4 and reduce the problem that the dense frame is easy to generate vibration and noise when moving.
In a preferred embodiment as shown in fig. 3, the compact shelving transmission mechanism 100 can further comprise an anti-falling hook 5, one end of which is used for being fixedly connected with the base 3 of the compact shelving, and the other end of which forms a hooking fit with the bent part 42, wherein the anti-falling hook 5 can comprise two vertical plates 51 oppositely arranged on two sides of the roller 2 along the axial direction of the roller 2 and two horizontal plates 52 oppositely arranged on two sides of the roller along the axial direction of the roller 2. Wherein, one end of the vertical plate 51 is used for being fixedly connected with the base 3 of the compact shelf, the other end is fixedly connected with the horizontal plate 52, and the horizontal plate 52 can be configured to extend into the bending part 42 from the end part of the vertical plate 51 along the direction far away from the roller 2, and forms sliding butt with the bending part 42. Through this setting, when gyro wheel 2 rolled for guide rail 1, prevent down horizontal plate 52 of hook 5 and can keep being located the portion 42 of bending to with the portion 42 butt of bending, when using the utility model discloses a intensive of intensive drive mechanism 100 stops suddenly or when emergent, the phenomenon that the intensive can take place to incline or lodging because of inertia reason. For example, when the compact shelf is stopped suddenly, the compact shelf may incline along the moving direction, and at this time, the anti-falling hook 5 effectively abuts and hooks the bending portion 42, so as to prevent the compact shelf from continuously inclining to fall. Therefore, the compact shelving transmission mechanism 100 provided by the embodiment of the present invention can further improve the safety and stability of the compact shelving transmission mechanism 100 when in use through the arrangement of the anti-barb 5, thereby avoiding the problem of inclination or toppling of the compact shelving.
Preferably, the bottom plate 41 may further have a plurality of fixing holes (not shown) formed therein, and the fixing holes may be formed at both sides of the guide rail 1 at intervals along the length direction of the guide rail 1. Wherein, the fixing holes on both sides are arranged in a mutually crossed way. Through this setting, alternately set up the fixed orifices and can form a plurality of triangle-shaped fixed regions to make bottom plate 41 after fixing through fastener (for example screw) firm reliable, stability is better, and the both sides that are located guide rail 1 still make guide rail 1's both sides atress balanced, shock attenuation nature good, and then can improve effectively the utility model discloses stability when intensive drive mechanism 100 uses.
In a preferred embodiment as shown in fig. 3, the compact shelf transmission mechanism 100 may further include an expansion screw 6 for passing through the fixing hole and fixing the bottom plate 41. As shown in fig. 4, the expansion screw 6 may include a countersunk head bolt 61, an expansion tube 62 disposed around the countersunk head bolt 61, a hexagonal nut 63 threadedly coupled to the countersunk head bolt 61, and a flat washer 64 and a spring washer 65 disposed between the hexagonal nut 63 and the expansion tube 62 and disposed on the countersunk head bolt 61. When the tool is used, firstly, holes with corresponding sizes are drilled on a fixed foundation by using an impact electric drill (hammer), then the countersunk head bolts 61 and the expansion pipes 62 are arranged in the holes, the free ends of the countersunk head bolts 61 penetrate through the fixed holes, and the countersunk head bolts 61 are in threaded connection and screwed with the hexagonal nuts 63 above the bottom plate 41. In this way, the expansion screw 6 is able to cause expansion 62 of the expander tube by the taper of the wedge of the countersunk head bolt 61, thereby creating a frictional grip to effect the securing.
Returning to fig. 1, preferably, the compact shelving transmission mechanism 100 can further comprise a driving device 7 for driving each roller 2 to rotate, and the driving device 7 can comprise a driving motor 71 fixedly connected with the base 3 of the compact shelving, a first transmission shaft 72 connected with the driving motor 71, and a second transmission shaft 73 fixedly connected with each roller 2 along the axial direction of each roller 2. The second transmission shaft 73 is rotatably connected to the base 3 of the compact shelf and forms a chain transmission with the first transmission shaft 72. Specifically, the first transmission shaft 72 and the second transmission shaft 73 are both formed with a sprocket 74 for chain transmission, and the specific size of the sprocket 74 is determined according to specific transmission requirements, which is not limited herein. When the roller 2 is used, the driving motor 71 is electrified and drives the first transmission shaft 72 to rotate, and simultaneously drives the second transmission shaft 73 to rotate through chain transmission, so that the roller 2 can be driven to synchronously rotate. The roller 2 rotates to roll on the guide rail 1, so that the compact shelf is driven to move. Through the arrangement, the compact shelf transmission mechanism 100 provided by the embodiment of the utility model can realize automatic transmission, thereby being beneficial to the control of users.
Preferably, the material of the rollers 2 and the ground rail 4 may be cast iron, and the material of the guide rail 1 may be steel, preferably 45 steel. Through the arrangement, on one hand, the overall structural strength of the compact shelf transmission mechanism 100 provided by the embodiment of the invention can be effectively improved; on the other hand, ground rail 4 adopts cast iron material, and its structural strength is far greater than the sheet metal component to make its installation deflection very little, size precision is high, and cast iron shock attenuation itself is effectual, can also effectively the noise reduction, reduces the damage of vibration to the support body structure of intensive. Further preferably, the material of the guide rail 1 can be 45 steel, the treatment process can be high-frequency quenching, the hardness range can be HR 52-58, and the hardening depth can be more than or equal to 1.5 mm.
Fig. 1 and 2 show the structure of the compact shelf 200 according to the present invention, wherein the connection between the compact shelf base 3 and the compact shelf transmission mechanism 100 is schematically shown. As shown in fig. 1 and fig. 2, the compact shelving 200 comprises a compact shelving base 3 and at least two compact shelving transmission mechanisms 100 arranged on the compact shelving base 3 in parallel and at intervals. As can be seen from the above description, on one hand, the compact shelving 200 of the present invention can achieve a more stable movement effect through the compact shelving transmission mechanism 100; on the other hand, the noise generated during moving can be effectively reduced or the roller can be prevented from being stuck; in addition, the compact shelf 200 of the present invention can also solve the problem of falling of the compact shelf through the compact shelf transmission mechanism 100.
Preferably, the compact shelving 200 of the embodiment of the invention can include three compact shelving transmission mechanisms 100 (as shown in fig. 1) arranged on the compact shelving base 3 in parallel and at intervals. It is also preferred that the three above-mentioned compact shelving transmission mechanisms 100 can use the same drive device 7. Namely, one driving motor 71 is used as a power source, and the connection is carried out through various chain transmission mechanisms, so that the rollers 2 arranged on the compact shelf base 3 can move synchronously.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "longitudinal," "length," "vertical," "horizontal," "top," "bottom," "axial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. A compact shelving transmission mechanism is characterized by comprising:
the guide rail is used for being fixed on a fixed foundation; and
the movable rack comprises a plurality of rollers which are used for being rotatably connected to a base of the movable rack, wherein an annular groove is formed in the outer peripheral wall of each roller and is in rolling connection with the top of the guide rail;
the guide rail is of a strip-shaped columnar structure, the length of the upper bottom edge of the longitudinal section of the guide rail is smaller than that of the lower bottom edge of the guide rail, and the two side faces of the annular groove are matched with the plane where the waist of the trapezoid is located, so that the roller can be attached to the top of the guide rail through the annular groove.
2. The compact shelf drive mechanism as claimed in claim 1 wherein the roller further comprises annular flanges formed on opposite side walls of the annular groove for gripping the guide rails.
3. A compact shelving transmission mechanism according to claim 1 or 2, wherein the trapezoid is configured as an isosceles trapezoid, and a gap is formed between a plane in which an upper base of the isosceles trapezoid is located and a bottom surface of the annular groove.
4. A compact shelving transmission mechanism according to claim 3, further comprising a ground rail fixed between the fixed base and the guide rail, the ground rail comprising a base plate for fixed connection with the fixed base, the guide rail being fixed to the base plate, opposite side edges of the base plate in the length direction of the guide rail being configured to be bent in a direction towards each other to form a bent portion.
5. The compact shelving transmission mechanism as claimed in claim 4, further comprising an anti-barb with one end for fixedly connecting with the base of the compact shelving and the other end forming a hooking fit with the bending part, wherein the anti-barb comprises two vertical plates oppositely arranged at two sides of the roller along the axial direction of the roller and two horizontal plates oppositely arranged at two sides of the roller along the axial direction of the roller, wherein one end of the vertical plate is fixedly connected with the base of the compact shelving and the other end is fixedly connected with the horizontal plate, and the horizontal plate is configured to extend into the bending part from the end part of the vertical plate along the direction away from the roller and form a sliding butt with the bending part.
6. The compact shelving transmission mechanism as claimed in claim 4 or 5, wherein the bottom plate is further formed with a plurality of fixing holes, each fixing hole is formed at two sides of the guide rail at intervals along the length direction of the guide rail, and the fixing holes at two sides are arranged to cross each other.
7. The compact shelf drive mechanism as claimed in claim 6 further comprising an expansion screw for passing through the fixing hole and fixing the bottom plate.
8. The compact shelving transmission mechanism according to claim 1 or 2, further comprising a driving device for driving each roller to rotate, wherein the driving device comprises a driving motor fixedly connected with the base of the compact shelving, a first transmission shaft connected with the driving motor, and a second transmission shaft fixedly connected with each roller along the axial direction of each roller, wherein the second transmission shaft is rotatably connected with the base of the compact shelving and forms a chain transmission with the first transmission shaft.
9. Compact shelving transmission mechanism according to claim 4 or 5, wherein the material of the rollers and the ground rails is cast iron and the material of the guide rails is steel.
10. Compact shelf, characterized in that it comprises a compact shelf base and at least two compact shelf transmission mechanisms according to any of claims 1 to 9 arranged in parallel and spaced on said compact shelf base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098693.3U CN212280461U (en) | 2020-01-16 | 2020-01-16 | Compact shelf transmission mechanism and compact shelf using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098693.3U CN212280461U (en) | 2020-01-16 | 2020-01-16 | Compact shelf transmission mechanism and compact shelf using same |
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| CN212280461U true CN212280461U (en) | 2021-01-05 |
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| CN202020098693.3U Active CN212280461U (en) | 2020-01-16 | 2020-01-16 | Compact shelf transmission mechanism and compact shelf using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208287A (en) * | 2021-05-13 | 2021-08-06 | 江西金钱豹保险设备集团有限公司 | Compact shelf capable of effectively preventing toppling |
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2020
- 2020-01-16 CN CN202020098693.3U patent/CN212280461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208287A (en) * | 2021-05-13 | 2021-08-06 | 江西金钱豹保险设备集团有限公司 | Compact shelf capable of effectively preventing toppling |
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