CN113954935B - Firm durable convenient push-and-pull structure - Google Patents
Firm durable convenient push-and-pull structure Download PDFInfo
- Publication number
- CN113954935B CN113954935B CN202111230727.5A CN202111230727A CN113954935B CN 113954935 B CN113954935 B CN 113954935B CN 202111230727 A CN202111230727 A CN 202111230727A CN 113954935 B CN113954935 B CN 113954935B
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- China
- Prior art keywords
- layer frame
- round steel
- frame
- movable sleeve
- handrail
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 64
- 229910052742 iron Inorganic materials 0.000 claims description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention provides a firm, durable and convenient push-pull structure, which relates to the technical field of a logistics trolley and comprises a layer frame and a limiting assembly, wherein the layer frame is arranged in the trolley frame, guide rails are arranged on two sides of the inside of the trolley frame, and the layer frame and the guide rails are movably arranged; the limiting assembly comprises a connecting rod and a movable sleeve, the connecting rod is arranged at the front end of the left side of the trolley frame, and the movable sleeve is movably sleeved on the connecting rod; when the layer frame is taken out, the rear handrail is blocked by the limiting round steel, the layer frame cannot fall down at the moment, safety is guaranteed, when the layer frame is to be pulled out completely, the movable sleeve is lifted upwards on the connecting rod, so that the limiting round steel is separated from the positioning groove, then the movable sleeve is rotated to enable the limiting round steel to rotate for 90 degrees, the blocking of the rear handrail can be removed, the layer frame can be pulled out completely, the operation time is saved to a greater extent, and the structure is more convenient and faster.
Description
Technical Field
The invention relates to the technical field of a table trolley, in particular to a firm, durable and convenient push-pull structure.
Background
The logistics trolley is derived from production and transportation requirements, is called a cargo trolley or a cage trolley, is a unit mobile container device provided with four casters for transporting and storing materials, is commonly used for logistics distribution of a supermarket or logistics turnover among factory procedures, and is generally divided into a special logistics trolley and a grid type folding trolley.
When the existing logistics trolley is used, the layer frames are often required to be pulled out from the integral frames to load and unload cargoes, however, in the prior art, the layer frames are generally installed through guide rails, the layer frames are easy to fall out in the pushing and pulling process, potential safety hazards are caused, and certain fixed positioning structures can not be taken out of the layer frames at all, so that normal use is affected.
Disclosure of Invention
Aiming at the problems, the invention provides a firm, durable and convenient push-pull structure, which not only ensures the safety, but also is convenient to release the fixing at any time, is more convenient and is beneficial to being popularized and used in a large range.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a firm durable convenient push-and-pull structure, includes layer frame and spacing subassembly, layer frame is in the inside of platform truck frame, the inside both sides of platform truck frame all are equipped with the guide rail, layer frame with guide rail movable mounting;
The limiting assembly comprises a connecting rod and a movable sleeve, the connecting rod is arranged at the front end of the left side of the trolley frame, the movable sleeve is movably sleeved on the connecting rod, limiting round steel is arranged above the right side of the movable sleeve, a limiting iron plate is arranged at the front end of the guide rail on the left side of the movable sleeve, a positioning groove is formed in the limiting iron plate, the limiting round steel is matched with the positioning groove, a rear handrail is arranged at the rear end of the layer frame, and the height of the limiting round steel is located between the height of the layer frame and the height of the rear handrail.
The further improvement is that: the upper part of the left side of the rear handrail is provided with a guide iron plate which is in a right trapezoid shape, and the inclined surface of the guide iron plate faces the limit round steel.
The further improvement is that: the front side of the layer frame is provided with a front handrail, and the front handrail and the rear handrail are integrally formed with the layer frame.
The further improvement is that: the front handrail and the rear handrail are connected with reinforcing rods, a plurality of groups of reinforcing rods are arranged, and the reinforcing rods are welded and fixed with the front handrail and the rear handrail.
The further improvement is that: the trolley is characterized in that shaft seats are arranged on two sides of the trolley frame, a plurality of groups of shaft seats are arranged at equal intervals, rollers are rotatably arranged on the shaft seats, an opening is formed in the lower end of the guide rail, the upper ends of the rollers extend into the opening, and the layer frame is movably arranged with the guide rail through the rollers.
The further improvement is that: the upper part of the outer side of the connecting rod is provided with a positioning block, the positioning block limits the moving distance of the movable sleeve, and the distance between the movable sleeve and the positioning block is larger than the height of the positioning groove.
The further improvement is that: the width of the positioning groove is matched with the caliber of the limiting round steel, and the limiting round steel is welded and fixed with the movable sleeve.
The further improvement is that: the inner side of the guide rail is higher than the frame body of the layer frame, the two sides of the top of the layer frame are respectively provided with a support frame, the heights of the support frames and the layer frame are matched with the inner side of the guide rail, the distance between the guide rails on the two sides is matched with the width of the layer frame, and the front ends of the guide rails are provided with notches.
The beneficial effects of the invention are as follows:
1. When the layer frame is taken out, the limit round steel is placed in the positioning groove of the limit iron plate, the rear handrail is blocked by the limit round steel, the layer frame cannot fall down at the moment, safety is guaranteed, when the layer frame is to be pulled out completely, the movable sleeve is lifted upwards on the connecting rod, the limit round steel is separated from the positioning groove, then the movable sleeve is rotated for 90 degrees, the limit round steel can be rotated for removing the blocking of the rear handrail, the layer frame is pulled out completely conveniently, the operation time is saved to a greater extent, safety is guaranteed, fixation is convenient to remove at any time, and the layer frame is more convenient and rapid to popularize and use in a large range.
2. According to the invention, the guide iron plate is arranged on the rear handrail, when the layer frame pushes the guide rail, the inclined surface of the guide iron plate contacts the bottom of the limit round steel, the limit round steel is jacked up, the layer frame can be pushed to the bottom, the normal pushing of the layer frame is not blocked, the layer frame can be pushed without any other operation, and the use is more convenient.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure at A of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of a movable sleeve installation of the present invention;
fig. 5 is a schematic view of a guide iron plate according to the present invention.
Wherein: 1. a layer frame; 2. a carriage frame; 3. a guide rail; 4. a connecting rod; 5. a movable sleeve; 6. limiting round steel; 7. a limit iron plate; 8. a rear armrest; 9. a guide iron plate; 10. a front armrest; 11. a roller; 12. a positioning block; 13. and (5) supporting frames.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to fig. 1, 2,3,4 and 5, the embodiment provides a firm, durable and convenient push-pull structure, which comprises a layer frame 1 and a limiting component, wherein the layer frame 1 is arranged in a trolley frame 2, guide rails 3 are arranged on two sides of the inside of the trolley frame 2, and the layer frame 1 and the guide rails 3 are movably installed;
The limiting assembly comprises a connecting rod 4 and a movable sleeve 5, the connecting rod 4 is arranged at the front end of the left side of the trolley frame 2, the movable sleeve 5 is movably sleeved on the connecting rod 4, a limiting round steel 6 is arranged above the right side of the movable sleeve 5, a limiting iron plate 7 is arranged at the front end of the guide rail 3 on the left side, a positioning groove is formed in the limiting iron plate 7, the limiting round steel 6 is matched with the positioning groove, a rear handrail 8 is arranged at the rear end of the layer frame 1, and the height of the limiting round steel 6 is located between the height of the layer frame 1 and the height of the rear handrail 8. When the full-drawing type back handrail frame is used, when the layer frame 1 is taken out, the limiting round steel 6 is placed in the positioning groove of the limiting iron plate 7, the back handrail 8 is blocked by the limiting round steel 6, the layer frame 1 at the moment cannot fall down, when the full-drawing type back handrail frame is to be drawn out, the movable sleeve 5 is lifted upwards on the connecting rod 4, the limiting round steel 6 is separated from the positioning groove, then the movable sleeve 5 is rotated, the limiting round steel 6 is rotated by 90 degrees, the blocking of the back handrail 8 can be removed, and the full-drawing type back handrail frame 1 is convenient.
The upper part of the left side of the rear handrail 8 is provided with a guide iron plate 9, the guide iron plate 9 is in a right trapezoid shape, and the inclined surface of the guide iron plate 9 faces the limit round steel 6. When the layer frame 1 advances the guide rail 3, the inclined surface of the guide iron plate 9 contacts the bottom of the limit round steel 6, the limit round steel 6 is jacked up, the layer frame 1 can be pushed to the bottom, and normal advance of the layer frame 1 can not be blocked.
The front side of the layer frame 1 is provided with a front handrail 10, and the front handrail 10 and the rear handrail 8 are integrally formed with the layer frame 1. The front handrail 10 and the rear handrail 8 are connected with reinforcing rods, a plurality of groups of reinforcing rods are arranged, and the reinforcing rods are welded and fixed with the front handrail 10 and the rear handrail 8. The layer frame 1 is stronger and has a stronger supporting capacity.
The two sides of the trolley frame 2 are respectively provided with a shaft seat, a plurality of groups of shaft seats are arranged at equal intervals, the shaft seats are respectively provided with a roller 11 in a rotating mode, the lower ends of the guide rails 3 are provided with openings, the upper ends of the rollers 11 extend into the openings, and the layer frame 1 is movably mounted with the guide rails 3 through the rollers 11. Facilitating the pushing in and pulling out of the layer frame 1.
A positioning block 12 is arranged above the outer side of the connecting rod 4, the positioning block 12 limits the moving distance of the movable sleeve 5, and the distance between the movable sleeve 5 and the positioning block 12 is larger than the height of the positioning groove. Ensuring that the limit round steel 6 can be completely separated from the positioning groove when the movable sleeve 5 is lifted upwards on the connecting rod 4.
The width of the positioning groove is matched with the caliber of the limiting round steel 6, the limiting round steel 6 is fixed more firmly, and the limiting round steel 6 is welded and fixed with the movable sleeve 5.
Example two
According to fig. 1, 2,3,4 and 5, the embodiment provides a firm, durable and convenient push-pull structure, which comprises a layer frame 1 and a limiting component, wherein the layer frame 1 is arranged in a trolley frame 2, guide rails 3 are arranged on two sides of the inside of the trolley frame 2, and the layer frame 1 and the guide rails 3 are movably installed;
The limiting assembly comprises a connecting rod 4 and a movable sleeve 5, the connecting rod 4 is arranged at the front end of the left side of the trolley frame 2, the movable sleeve 5 is movably sleeved on the connecting rod 4, a limiting round steel 6 is arranged above the right side of the movable sleeve 5, a limiting iron plate 7 is arranged at the front end of the guide rail 3 on the left side, a positioning groove is formed in the limiting iron plate 7, the limiting round steel 6 is matched with the positioning groove, a rear handrail 8 is arranged at the rear end of the layer frame 1, and the height of the limiting round steel 6 is located between the height of the layer frame 1 and the height of the rear handrail 8. When the full-drawing type back handrail frame is used, when the layer frame 1 is taken out, the limiting round steel 6 is placed in the positioning groove of the limiting iron plate 7, the back handrail 8 is blocked by the limiting round steel 6, the layer frame 1 at the moment cannot fall down, when the full-drawing type back handrail frame is to be drawn out, the movable sleeve 5 is lifted upwards on the connecting rod 4, the limiting round steel 6 is separated from the positioning groove, then the movable sleeve 5 is rotated, the limiting round steel 6 is rotated by 90 degrees, the blocking of the back handrail 8 can be removed, and the full-drawing type back handrail frame 1 is convenient.
The upper part of the left side of the rear handrail 8 is provided with a guide iron plate 9, the guide iron plate 9 is in a right trapezoid shape, and the inclined surface of the guide iron plate 9 faces the limit round steel 6. When the layer frame 1 advances the guide rail 3, the inclined surface of the guide iron plate 9 contacts the bottom of the limit round steel 6, the limit round steel 6 is jacked up, the layer frame 1 can be pushed to the bottom, and normal advance of the layer frame 1 can not be blocked.
The inside height of guide rail 3 is greater than the support body height of layer frame 1, the both sides at layer frame 1 top all are equipped with support frame 13, support frame 13 and layer frame 1's high fit the height of guide rail 3 inboard, and the both sides interval between guide rail 3 with layer frame 1's width looks adaptation, the front end of guide rail 3 is equipped with the breach. The inner sides of the layer frame 1 and the guide rail 3 are completely matched under the action of the supporting frame 13, so that the layer frame is more stable in pushing and pulling.
This firm durable convenient push-and-pull structure is when taking out layer frame 1, spacing round steel 6 is arranged in spacing iron plate 7's constant head tank, back handrail 8 is blocked by spacing round steel 6, layer frame 1 at this time can not drop, guarantee the security, when wanting to pull out entirely, only need upwards mention movable sleeve 5 on connecting rod 4 for spacing round steel 6 breaks away from the constant head tank, then rotatory movable sleeve 5 makes spacing round steel 6 rotatory 90 degrees alright release the blocking of back handrail 8, make things convenient for layer frame 1 to pull out entirely, the save operating time of this kind of structure more limit, both guaranteed the security, also convenient dismantlement at any time is fixed more convenient, do benefit to and use widely on a large scale. Meanwhile, the guide iron plate 9 is arranged on the rear handrail 8, when the layer frame 1 advances the guide rail 3, the inclined surface of the guide iron plate 9 contacts the bottom of the limit round steel 6, the limit round steel 6 is jacked up, the layer frame 1 can be pushed to the bottom, the normal pushing of the layer frame 1 can not be stopped, the pushing can be performed without any other operation, and the use is more convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a firm durable convenient push-and-pull structure, includes layer frame (1) and spacing subassembly, its characterized in that: the layer frame (1) is arranged in the trolley frame (2), guide rails (3) are arranged on two sides of the interior of the trolley frame (2), and the layer frame (1) and the guide rails (3) are movably mounted;
The limiting assembly comprises a connecting rod (4) and a movable sleeve (5), wherein the connecting rod (4) is arranged at the front end of the left side of the trolley frame (2), the movable sleeve (5) is movably sleeved on the connecting rod (4), a limiting round steel (6) is arranged above the right side of the movable sleeve (5), a limiting iron plate (7) is arranged at the front end of the guide rail (3) on the left side, a positioning groove is formed in the limiting iron plate (7), the limiting round steel (6) is matched with the positioning groove, a rear handrail (8) is arranged at the rear end of the layer frame (1), the height of the limiting round steel (6) is positioned between the heights of the layer frame (1) and the rear handrail (8), a positioning block (12) is arranged above the outer side of the connecting rod (4), the positioning block (12) limits the moving distance of the movable sleeve (5), the distance between the movable sleeve (5) and the guide rail (12) is larger than the height of the positioning block, a right-angle steel inclined guide plate (9) is arranged above the rear handrail (8), and the guide iron plate (9) faces the right-angle steel inclined plane (9);
When taking out layer frame (1), spacing round steel (6) are arranged in the constant head tank of spacing iron plate (7), back handrail (8) are blocked by spacing round steel (6), when wanting to pull out entirely, upwards mention movable sleeve (5) on connecting rod (4), make spacing round steel (6) break away from the constant head tank, then rotatory movable sleeve (5) makes spacing round steel (6) rotatory 90 degrees alright remove the stopper to back handrail (8), make things convenient for layer frame (1) to pull out entirely, when layer frame (1) advances guide rail (3), the inclined plane contact of direction iron plate (9) is spacing round steel (6) bottom, jack-up spacing round steel (6), layer frame (1) alright push to the bottom, can not stop layer frame (1) normal promotion.
2. A durable and easy-to-use push-pull structure according to claim 1, wherein: the front side of the layer frame (1) is provided with a front handrail (10), and the front handrail (10) and the rear handrail (8) are integrally formed with the layer frame (1).
3. A durable and easy-to-use push-pull structure according to claim 2, wherein: the front handrail (10) and the rear handrail (8) are connected with reinforcing rods, a plurality of groups of reinforcing rods are arranged, and the reinforcing rods are welded and fixed with the front handrail (10) and the rear handrail (8).
4. A durable and easy-to-use push-pull structure according to claim 1, wherein: both sides of the trolley frame (2) are provided with shaft seats, the shaft seats are provided with a plurality of groups at equal intervals, the shaft seats are provided with rollers (11) in a rotating mode, the lower ends of the guide rails (3) are provided with openings, the upper ends of the rollers (11) extend into the openings, and the layer frame (1) is movably mounted with the guide rails (3) through the rollers (11).
5. A durable and easy-to-use push-pull structure according to claim 1, wherein: the width of the positioning groove is matched with the caliber of the limiting round steel (6), and the limiting round steel (6) is welded and fixed with the movable sleeve (5).
6. A strong, durable and portable push-pull structure according to any of claims 1-5 and wherein: the inner side of the guide rail (3) is higher than the frame body of the layer frame (1), the two sides of the top of the layer frame (1) are respectively provided with a support frame (13), the heights of the support frames (13) and the layer frame (1) are matched with the inner side of the guide rail (3), the distance between the guide rails (3) on two sides is matched with the width of the layer frame (1), and the front ends of the guide rails (3) are provided with notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230727.5A CN113954935B (en) | 2021-10-22 | 2021-10-22 | Firm durable convenient push-and-pull structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230727.5A CN113954935B (en) | 2021-10-22 | 2021-10-22 | Firm durable convenient push-and-pull structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113954935A CN113954935A (en) | 2022-01-21 |
| CN113954935B true CN113954935B (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111230727.5A Active CN113954935B (en) | 2021-10-22 | 2021-10-22 | Firm durable convenient push-and-pull structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113954935B (en) |
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| CN211893334U (en) * | 2020-01-20 | 2020-11-10 | 石家庄双鸽圣蕴食品有限公司 | Shelf with limiting device |
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| DE10008349A1 (en) * | 2000-02-23 | 2001-09-13 | Bulthaup Gmbh & Co | Locking mechanism for kitchen furniture has a cable-operated locking bolt acting on a limit to lock or release extensions or flaps or doors and prevent access by small children |
| US7540510B2 (en) * | 2006-07-07 | 2009-06-02 | Chicago Display Marketing Corporation | Movable rack |
| KR20120003390U (en) * | 2010-11-08 | 2012-05-16 | 박기준 | Digital locking device for drawer |
| KR20120081892A (en) * | 2011-01-12 | 2012-07-20 | (주)엠벡 | Cart including sliding shelf |
| KR101378082B1 (en) * | 2012-12-05 | 2014-03-27 | 엔피씨(주) | Rack |
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| CN105105532B (en) * | 2015-06-17 | 2017-09-19 | 厦门金牌厨柜股份有限公司 | Kitchen cabinet with functions of child lock |
| CN207191790U (en) * | 2017-09-06 | 2018-04-06 | 芜湖常瑞汽车部件有限公司 | A kind of drawing and pulling type auto panel places transport utensil |
| CN107757663A (en) * | 2017-11-01 | 2018-03-06 | 温州奇思科技有限公司 | A kind of construction multi-purpose wheelbarrow |
| CN108454666B (en) * | 2018-04-24 | 2023-10-24 | 重庆创和机电设备有限公司 | Novel automatic butt joint transfer trolley |
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2021
- 2021-10-22 CN CN202111230727.5A patent/CN113954935B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201091364Y (en) * | 2007-10-22 | 2008-07-30 | 林绿珍 | Drawer sliding orbit device |
| CN106314503A (en) * | 2016-09-23 | 2017-01-11 | 谢长江 | Bi-directional drawing type transport turnover trolley for automobile door frame water cut trims |
| CN111059105A (en) * | 2019-12-31 | 2020-04-24 | 广州航新航空科技股份有限公司 | Self-locking mechanism for disassembling and assembling cabinet equipment |
| CN211893334U (en) * | 2020-01-20 | 2020-11-10 | 石家庄双鸽圣蕴食品有限公司 | Shelf with limiting device |
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| Publication number | Publication date |
|---|---|
| CN113954935A (en) | 2022-01-21 |
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