CN113942560A - Firm laborsaving spacing round pin that draws - Google Patents
Firm laborsaving spacing round pin that draws Download PDFInfo
- Publication number
- CN113942560A CN113942560A CN202111230869.1A CN202111230869A CN113942560A CN 113942560 A CN113942560 A CN 113942560A CN 202111230869 A CN202111230869 A CN 202111230869A CN 113942560 A CN113942560 A CN 113942560A
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- support arm
- steel pole
- mounting panel
- mounting
- screw
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- 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
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a firm and labor-saving limiting pull pin, which relates to the technical field of logistics trolleys and comprises mounting plates, a first support arm and a second support arm, wherein the mounting plates are provided with a left group and a right group, a first screw rod is arranged above one side of each of the two groups of mounting plates, the first support arm and the second support arm are respectively rotatably mounted with the two groups of mounting plates through the first screw rods, and a pressing plate is connected between the first support arm and the second support arm; when the first support arm and the second support arm are turned over and closed, the round steel rod is driven to reset by loosening the pull block under the action of the elastic assembly, so that the limiting rod on the pull block penetrates through the mounting plate at the right end and extends into the positioning hole on the second support arm, and the purpose of fixing and fastening is fulfilled.
Description
Technical Field
The invention relates to the technical field of logistics trolleys, in particular to a firm and labor-saving limiting pull pin.
Background
The logistics trolley is a unit mobile container device which is provided with four trundles and used for transporting and storing materials, is usually used for logistics distribution of a large supermarket or logistics turnover between factory processes, and is generally divided into a special logistics trolley and a grid-type folding trolley.
When goods are placed on the trolley, the trolley frame on the logistics trolley needs to fasten column goods by utilizing fastening structures such as a pressing plate, in the prior art, the goods are generally fastened by overturning a rotating support arm and the pressing plate, the support arm is usually fixed by manually plugging and unplugging a pull pin, the pull pin is easy to clamp after long-term use, and the jack is inconvenient to prepare and position by manual plugging and unplugging, so that the labor is not required to be used for operation.
Disclosure of Invention
Aiming at the problems, the invention provides the firm labor-saving limiting pull pin, which can save the operation time to the greater extent, is labor-saving in use, convenient and fast, is not easy to damage, does not have the situation of limit blocking and pulling, and is beneficial to large-scale popularization and use and reduction of labor cost.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a firm and labor-saving limiting pull pin comprises mounting plates, a first support arm and a second support arm, wherein the mounting plates are provided with a left group and a right group, a first screw rod is arranged above one side of each of the two groups of mounting plates, the first support arm and the second support arm are respectively rotatably mounted with the two groups of mounting plates through the first screw rods, and a pressing plate is connected between the first support arm and the second support arm;
two sets of the below activity of one side runs through there is round steel pole on the mounting panel, and the right-hand member of round steel pole extends the right-hand member the mounting panel is equipped with the pulling piece, be equipped with the bracelet on the pulling piece, be equipped with the gag lever post on the pulling piece, and the gag lever post activity runs through the right-hand member the mounting panel, the below of one side is equipped with the locating hole on the second support arm, the gag lever post with locating hole looks adaptation, the right-hand member on the round steel pole is equipped with elastic component.
The further improvement lies in that: the elastic component comprises a spring block and a second screw rod, the spring block is clamped on the round steel rod, the second screw rod is installed on the spring block in a threaded mode, the spring block is installed with the round steel rod in a fastened mode through the second screw rod, a spring is arranged between the mounting plates and the spring block and the right end of the spring block, and the spring is wound outside the round steel rod.
The further improvement lies in that: the left end of round steel pole extends the left end the mounting panel, and the left end of round steel pole is equipped with spacing ball, the bore of spacing ball is greater than the bore that the round steel pole runs through the mounting panel.
The further improvement lies in that: be equipped with splint on the clamp plate, and splint are equipped with two sets ofly at least, splint have the clamp groove, and the clamp groove equidistance is equipped with the multiunit.
The further improvement lies in that: first nut is installed to the screw thread on the first screw rod, first support arm, second support arm and two sets of through the first nut erection joint of first screw rod cooperation between the mounting panel.
The further improvement lies in that: the right-hand member of circle steel pole installs the second nut through the screw thread, the pulling piece is injectd through the second nut and is installed on the circle steel pole, one side of pulling the piece outer end is equipped with the third nut, the gag lever post passes through third nut and pulling piece fixed mounting.
The further improvement lies in that: one side on the mounting panel is equipped with the mounting hole, and the mounting panel passes through mounting hole cooperation screw fixation on the commodity circulation rack, the department of buckling of first support arm and second support arm all is equipped with the gusset plate.
The further improvement lies in that: two sets of one side of mounting panel inner all is equipped with the mounting pad, and is equipped with positioning screw on the mounting pad, positioning screw is used for injecing the rotation range of first support arm and second support arm.
The invention has the beneficial effects that:
1. the round steel rods are movably inserted into the mounting plates at two ends, when the first support arm and the second support arm are turned over and closed, the round steel rods are driven to reset by the aid of the elastic assembly only by loosening the pulling block, so that the limiting rods on the pulling block penetrate through the mounting plate at the right end and extend into the positioning holes on the second support arm, and accordingly the purpose of fixing and fastening is achieved.
2. The drawing range of the round steel rod is limited by the limiting ball, the problem that the round steel rod is drawn out is solved, and the round steel rod drawing device is more stable to use.
3. The positioning screw rods on the mounting gaskets are arranged in the rotating ranges of the first support arm and the second support arm, so that the rotation stop positions of the first support arm and the second support arm are limited, the positioning holes in the second support arm are right corresponding to the limiting rods, the fixing is more convenient and quicker, manual hole alignment is not needed, and labor is saved.
Drawings
FIG. 1 is a flip closed left side view of the present invention;
FIG. 2 is a right side view of the flip close of the present invention;
FIG. 3 is a flip open left side view of the present invention;
FIG. 4 is a right side elevational view of the invention in a flipped open position;
fig. 5 is a schematic view of the installation position of the present invention.
Wherein: 1. mounting a plate; 2. a first support arm; 3. a second support arm; 4. a first screw; 5. pressing a plate; 6. a round steel rod; 7. pulling the block; 8. a limiting rod; 9. positioning holes; 10. a spring block; 11. a second screw; 12. a spring; 13. a limiting ball; 14. a splint; 15. a clamping groove; 16. a first nut; 17. a second nut; 18. a third nut; 19. mounting holes; 20. a reinforcing plate; 21. installing a gasket; 22. and (5) positioning the screw rod.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the drawings of fig. 1, 2, 3, 4 and 5, the embodiment provides a firm labor-saving limiting pull pin, which comprises a mounting plate 1, a first support arm 2 and a second support arm 3, wherein the mounting plate 1 is provided with a left group and a right group, a first screw rod 4 is arranged above one side of each of the two groups of mounting plates 1, the first support arm 2 and the second support arm 3 are respectively rotatably mounted with the two groups of mounting plates 1 through the first screw rods 4, and a pressing plate 5 is connected between the first support arm 2 and the second support arm 3;
two sets of the below activity of one side runs through round steel pole 6 on mounting panel 1, and the right-hand member of round steel pole 6 extends the right-hand member mounting panel 1 is equipped with pulling piece 7, be equipped with the bracelet on pulling piece 7, be equipped with gag lever post 8 on pulling piece 7, and the right-hand member is run through in the activity of gag lever post 8 mounting panel 1, the below of one side is equipped with locating hole 9 on the second support arm 3, gag lever post 8 with 9 looks adaptations of locating hole, the right-hand member on the round steel pole 6 is equipped with elastic component. At first support arm 2, when second support arm 3 overturns closed, loosen pull block 7, utilize elastic component's effect to drive round steel pole 6 and remove and reset, make the gag lever post 8 on the pull block 7 run through the mounting panel 1 of right-hand member, thereby extend to in the locating hole 9 on the second support arm 3, with this purpose of accomplishing fixed fastening, when loosening, pull block 7, make the gag lever post 8 extract from locating hole 9 and can remove fixedly, make things convenient for the 5 upsets of clamp plate to lift up.
Elastic component includes spring block 10 and second screw rod 11, spring block 10 card is in on the circle steel pole 6, 11 screw threads of second screw rod are installed on spring block 10, and spring block 10 passes through second screw rod 11 and the fastening installation of round steel pole 6, spring block 10 and right-hand member be equipped with spring 12 between the mounting panel 1, and spring 12 is around establishing outside circle steel pole 6. Can adjust the position of spring piece 10 on round steel pole 6 through loosening second screw rod 11, confirm the elasticity scope of spring 12 and the mounting panel 1 of right-hand member, at first support arm 2, when second support arm 3 overturns closed, loosen and pull piece 7, utilize the effect of spring 12 to withstand mounting panel 1 of right-hand member, it resets to drive round steel pole 6 and remove, make the gag lever post 8 on the pull piece 7 run through the mounting panel 1 of right-hand member, thereby extend to in the locating hole 9 on the second support arm 3, with this purpose of accomplishing fixed fastening.
The left end of round steel pole 6 extends the left end mounting panel 1, and the left end of round steel pole 6 is equipped with spacing ball 13, the bore of spacing ball 13 is greater than the bore that round steel pole 6 runs through mounting panel 1. Through spacing ball 13's effect, inject the drawing scope of circle steel pole 6, the problem that circle steel pole 6 was pulled out can not appear, uses more stably.
Be equipped with splint 14 on the clamp plate 5, and splint 14 is equipped with two sets ofly, splint 14 has a clamp groove 15, and presss from both sides 15 equidistance in groove and be equipped with the multiunit. The clamping friction is increased, so that the clamping plate 14 can fix the goods more stably.
One side on the mounting panel 1 is equipped with mounting hole 19, and mounting panel 1 passes through mounting hole 19 cooperation screw fixation on the commodity circulation rack, the department of buckling of first support arm 2 and second support arm 3 all is equipped with gusset plate 20. Reinforcing the first arm 2 and the second arm 3.
Example two
According to the drawings of fig. 1, 2, 3, 4 and 5, the embodiment provides a firm labor-saving limiting pull pin, which comprises a mounting plate 1, a first support arm 2 and a second support arm 3, wherein the mounting plate 1 is provided with a left group and a right group, a first screw rod 4 is arranged above one side of each of the two groups of mounting plates 1, the first support arm 2 and the second support arm 3 are respectively rotatably mounted with the two groups of mounting plates 1 through the first screw rods 4, and a pressing plate 5 is connected between the first support arm 2 and the second support arm 3;
two sets of the below activity of one side runs through round steel pole 6 on mounting panel 1, and the right-hand member of round steel pole 6 extends the right-hand member mounting panel 1 is equipped with pulling piece 7, be equipped with the bracelet on pulling piece 7, be equipped with gag lever post 8 on pulling piece 7, and the right-hand member is run through in the activity of gag lever post 8 mounting panel 1, the below of one side is equipped with locating hole 9 on the second support arm 3, gag lever post 8 with 9 looks adaptations of locating hole, the right-hand member on the round steel pole 6 is equipped with elastic component. At first support arm 2, when second support arm 3 overturns closed, loosen pull block 7, utilize elastic component's effect to drive round steel pole 6 and remove and reset, make the gag lever post 8 on the pull block 7 run through the mounting panel 1 of right-hand member, thereby extend to in the locating hole 9 on the second support arm 3, with this purpose of accomplishing fixed fastening, when loosening, pull block 7, make the gag lever post 8 extract from locating hole 9 and can remove fixedly, make things convenient for the 5 upsets of clamp plate to lift up.
Two sets of one side in mounting panel 1 the inner all is equipped with mounting pad 21, and is equipped with positioning screw 22 on the mounting pad 21, positioning screw 22 is used for injecing the rotation range of first support arm 2 and second support arm 3. The positioning screw rods 22 on the mounting gaskets 21 are arranged in the rotating ranges of the first support arm 2 and the second support arm 3, so that the rotating stop positions of the first support arm 2 and the second support arm 3 are limited, the positioning holes 9 in the second support arm 3 just correspond to the limiting rods 8, fixing is more convenient and faster, manual hole alignment is not needed, and manpower is saved.
The firm labor-saving limiting pull pin is movably inserted into the round steel rod 6 in the mounting plates 1 at two ends, when the first support arm 2 and the second support arm 3 are turned over and closed, only the pull block 7 needs to be loosened, the round steel rod 6 is driven to reset by utilizing the action of the elastic component, so that the limiting rod 8 on the pull block 7 penetrates through the mounting plate 1 at the right end and extends into the positioning hole 9 on the second support arm 3, thereby the purpose of fixing and fastening is completed, when the pull block 7 is loosened, the fixing can be released only by pulling the limiting rod 8 out of the positioning hole 9, the pressing plate 5 is convenient to turn over and lift up, in conclusion, the pull block 7 is pulled by the elastic action of the elastic component, so that the limiting rod 8 fixes the second support arm 3, thereby limiting and turning over, the operation time can be saved to a greater extent, the use is labor-saving, the use is convenient and fast, the limiting clamp and the pulling-free situation can not occur, is beneficial to large-scale popularization and use and reduces the cost of labor. And through the effect of spacing ball 13, inject the drawing scope of circle steel pole 6, the problem that circle steel pole 6 was pulled out can not appear, uses more stably. Meanwhile, the positioning screw rods 22 on the mounting gaskets 21 are arranged in the rotating ranges of the first support arm 2 and the second support arm 3, so that the rotating stop positions of the first support arm 2 and the second support arm 3 are limited, the positioning holes 9 in the second support arm 3 just correspond to the limiting rods 8, fixing is more convenient and faster, manual hole alignment is not needed, and manpower is saved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a firm laborsaving spacing round pin that draws, includes mounting panel (1), first support arm (2) and second support arm (3), its characterized in that: the mounting plates (1) are provided with a left group and a right group, a first screw (4) is arranged above one side of each of the two groups of mounting plates (1), the first support arm (2) and the second support arm (3) are rotatably mounted with the two groups of mounting plates (1) through the first screw (4), and a pressing plate (5) is connected between the first support arm (2) and the second support arm (3);
two sets of the below activity of one side runs through round steel pole (6) on mounting panel (1), and the right-hand member of circle steel pole (6) extends the right-hand member mounting panel (1) and be equipped with pull block (7), be equipped with the bracelet on the pull block, be equipped with gag lever post (8) on pull block (7), and gag lever post (8) activity runs through the right-hand member mounting panel (1), the below of one side is equipped with locating hole (9) on second support arm (3), gag lever post (8) with locating hole (9) looks adaptation, the right-hand member on circle steel pole (6) is equipped with elastic component.
2. The strong labor-saving limiting pull pin as claimed in claim 1, characterized in that: elastic component includes spring block (10) and second screw rod (11), spring block (10) card is in on circle steel pole (6), second screw rod (11) screw thread is installed on spring block (10), and spring block (10) through second screw rod (11) and round steel pole (6) fastening installation, spring block (10) and right-hand member be equipped with spring (12) between mounting panel (1), and spring (12) around establishing outside circle steel pole (6).
3. The strong labor-saving limiting pull pin as claimed in claim 2, characterized in that: the left end of circle steel pole (6) extends the left end mounting panel (1), and the left end of round steel pole (6) is equipped with spacing ball (13), the bore of spacing ball (13) is greater than the bore that circle steel pole (6) run through mounting panel (1).
4. A strong labor-saving limit pull pin according to claim 3, characterized in that: be equipped with splint (14) on clamp plate (5), and splint (14) are equipped with two sets ofly at least, splint (14) have clamp groove (15), and clamp groove (15) equidistance is equipped with the multiunit.
5. The strong labor-saving limiting pull pin as claimed in claim 4, wherein: first nut (16) are installed to screw thread on first screw rod (4), first support arm (2), second support arm (3) and two sets of through first screw rod (4) cooperation first nut (16) erection joint between mounting panel (1).
6. The strong labor-saving limiting pull pin as claimed in claim 5, wherein: second nut (17) are installed through the screw thread to the right-hand member of circle steel pole (6), pull piece (7) and inject through second nut (17) and install on circle steel pole (6), one side of pulling piece (7) outer end is equipped with third nut (18), gag lever post (8) are through third nut (18) and pulling piece (7) fixed mounting.
7. The strong labor-saving limiting pull pin as claimed in claim 6, wherein: one side on mounting panel (1) is equipped with mounting hole (19), and mounting panel (1) cooperates the screw fixation on the commodity circulation rack through mounting hole (19), the department of buckling of first support arm (2) and second support arm (3) all is equipped with gusset plate (20).
8. A strong labor-saving limiting pull pin according to any one of claims 1 to 7, characterized in that: two sets of one side of mounting panel (1) inner all is equipped with mounting pad (21), and is equipped with positioning screw (22) on mounting pad (21), positioning screw (22) are used for injecing the rotation range of first support arm (2) and second support arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230869.1A CN113942560A (en) | 2021-10-22 | 2021-10-22 | Firm laborsaving spacing round pin that draws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230869.1A CN113942560A (en) | 2021-10-22 | 2021-10-22 | Firm laborsaving spacing round pin that draws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113942560A true CN113942560A (en) | 2022-01-18 |
Family
ID=79331981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111230869.1A Pending CN113942560A (en) | 2021-10-22 | 2021-10-22 | Firm laborsaving spacing round pin that draws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113942560A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110084435A1 (en) * | 2009-10-12 | 2011-04-14 | Furlow Dennis L | Adjustable Flip Stop Assembly For Positioning A Work piece |
| CN202782236U (en) * | 2012-08-29 | 2013-03-13 | 合肥华星印务有限责任公司 | Lateral glue wheel connecting device of perfect binding machine |
| CN204187558U (en) * | 2014-09-12 | 2015-03-04 | 陈康 | A kind of aviation dedicated barrier lamp |
| CN104595756A (en) * | 2014-12-27 | 2015-05-06 | 成都蒲江珂贤科技有限公司 | LED fluorescent lamp |
| CN204445616U (en) * | 2015-02-24 | 2015-07-08 | 南安市广韵贸易有限公司 | A kind of showerhead adjusting bracket |
| CN204575929U (en) * | 2015-05-21 | 2015-08-19 | 四川天邑康和通信股份有限公司 | Fibre distribution frame door body hinged latch structure |
| CN206668013U (en) * | 2017-03-03 | 2017-11-24 | 厦门新技术集成有限公司 | A kind of hinge with auto-lock function |
| CN108341136A (en) * | 2017-09-04 | 2018-07-31 | 中久物流有限公司 | Pressing device and rack with it |
| CN207785853U (en) * | 2018-01-12 | 2018-08-31 | 江苏康力源健身器材有限公司 | A kind of folding body-building equipment handle |
| CN207903010U (en) * | 2018-02-01 | 2018-09-25 | 中久物流有限公司 | Overturn strut device and the rack with it |
| CN108688952A (en) * | 2018-06-14 | 2018-10-23 | 山东北汽海华汽车部件股份有限公司 | A kind of leaf spring transportation frame |
| CN212475796U (en) * | 2020-06-03 | 2021-02-05 | 四川通安航天科技有限公司 | Plate part hoisting clamp |
-
2021
- 2021-10-22 CN CN202111230869.1A patent/CN113942560A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110084435A1 (en) * | 2009-10-12 | 2011-04-14 | Furlow Dennis L | Adjustable Flip Stop Assembly For Positioning A Work piece |
| CN202782236U (en) * | 2012-08-29 | 2013-03-13 | 合肥华星印务有限责任公司 | Lateral glue wheel connecting device of perfect binding machine |
| CN204187558U (en) * | 2014-09-12 | 2015-03-04 | 陈康 | A kind of aviation dedicated barrier lamp |
| CN104595756A (en) * | 2014-12-27 | 2015-05-06 | 成都蒲江珂贤科技有限公司 | LED fluorescent lamp |
| CN204445616U (en) * | 2015-02-24 | 2015-07-08 | 南安市广韵贸易有限公司 | A kind of showerhead adjusting bracket |
| CN204575929U (en) * | 2015-05-21 | 2015-08-19 | 四川天邑康和通信股份有限公司 | Fibre distribution frame door body hinged latch structure |
| CN206668013U (en) * | 2017-03-03 | 2017-11-24 | 厦门新技术集成有限公司 | A kind of hinge with auto-lock function |
| CN108341136A (en) * | 2017-09-04 | 2018-07-31 | 中久物流有限公司 | Pressing device and rack with it |
| CN207785853U (en) * | 2018-01-12 | 2018-08-31 | 江苏康力源健身器材有限公司 | A kind of folding body-building equipment handle |
| CN207903010U (en) * | 2018-02-01 | 2018-09-25 | 中久物流有限公司 | Overturn strut device and the rack with it |
| CN108688952A (en) * | 2018-06-14 | 2018-10-23 | 山东北汽海华汽车部件股份有限公司 | A kind of leaf spring transportation frame |
| CN212475796U (en) * | 2020-06-03 | 2021-02-05 | 四川通安航天科技有限公司 | Plate part hoisting clamp |
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