CN108392059B - Two-force rod type combined hook device - Google Patents
Two-force rod type combined hook device Download PDFInfo
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- CN108392059B CN108392059B CN201810207073.6A CN201810207073A CN108392059B CN 108392059 B CN108392059 B CN 108392059B CN 201810207073 A CN201810207073 A CN 201810207073A CN 108392059 B CN108392059 B CN 108392059B
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- pin
- hook
- hole
- connecting rod
- rotating pin
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00
- A47G29/087—Devices for fastening household utensils, or the like, to tables, walls, or the like
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- Supports Or Holders For Household Use (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a two-force rod type combined hook device which comprises a connecting rod, a hook body, an auxiliary supporting body and a rotating pin assembly, wherein the connecting rod belongs to a two-force rod, a hook seat and a hook frame form the hook body, a supporting frame and a supporting seat form the auxiliary supporting body, the rotating pin and a bolt are assembled into the rotating pin assembly, and the rotating pin comprises a pin cap, a pin hole and a pin body; the hook body is reliably fixed on the wall through the hook seat, the distance between the hook seat and the supporting seat is determined by the center distance between through holes at two ends of the connecting rod, the auxiliary supporting body is reliably fixed on the wall through the supporting seat, the rotating pin assembly realizes the rotating connection between the hook body and the connecting rod and the rotating pin assembly, the two feet of the bolt can be bent, and the bolt is prevented from falling off from the pin hole. The hanger has the advantages of simple structure, convenient installation and low cost, and the stress characteristics of the two force rods are utilized, so that the fixed constraint torque and the fixed constraint supporting force in the vertical direction of the hanger body are reduced under the same hanger, and the upper limit of the gravity of the hanger is improved.
Description
Technical Field
The invention relates to the technical field of household hook devices, in particular to a two-force rod type combined hook device.
Background
At present, household decoration is not suitable for hanging articles in a nailing mode, and a hook is one of common appliances for hanging articles in home. However, when the hook is used for placing a slightly important object, the hook is easy to fall off from the hanging wall. At present, the patent 'a hook with strong bearing capacity (CN 202579603U)' discloses a hook comprising three suckers, and the bearing capacity of the hook is improved, but the number of the suckers is simply increased, and the cost is high; patent "vacuum chuck hook (CN 2634175Y)" discloses a vacuum chuck hook with hook support, although can avoid gas leakage and keep vacuum chuck vacuum state's stability better, improved the bearing capacity of couple, but the hook supports the function singleness.
Disclosure of Invention
In order to change the defects that the existing hook is easy to drop from the wall, the number of sucking discs is simply increased, the cost is high, or the supporting function of the hook is single, and the like, the invention provides a two-force rod type combined hook device by utilizing the stress characteristic of a two-force rod.
The technical solution adopted by the invention for specifically solving the technical problems is as follows: the two-force rod type combined hook device comprises a hanging wall, a hook seat, a hook frame, a rotating pin, a connecting rod, a supporting frame, a supporting seat and a bolt. The rotating pin is a plastic piece in a step shaft mode and comprises a pin cap and a pin body, and a pin hole is formed in one end, far away from the pin cap, of the rotating pin; the pin is a lock pin with a round head and two pins, the two pins of the pin can be bent, the maximum outer diameter of the round head of the pin is larger than the inner diameter of the pin hole, the outer round diameter of the two pins of the pin is smaller than the inner diameter of the pin hole, the two pin parts of the pin can penetrate through the pin hole of the rotating pin, and the round head of the pin cannot completely penetrate through the pin hole of the rotating pin; the hook seat and the hook frame form a hook body, a U-shaped groove is formed between the hook seat and the hook frame, the U-shaped groove between the hook seat and the hook frame is used for hanging a hanging object, the hook seat and the hanging wall form fixed constraint through double faced adhesive tape or a sucker, a through hole is designed at the lower part of the hook frame, the inner diameter of the through hole at the lower part of the hook frame is larger than the outer diameter of a pin shaft of a rotating pin, and the inner diameter of the through hole at the lower part of the hook frame is smaller than the outer diameter of a pin cap shaft of the rotating pin; the connecting rod is of a cylindrical structure, two ends of the connecting rod are of a flat structure, through holes are formed in flat surfaces close to two ends of the connecting rod, the inner diameter of each through hole of the flat surfaces at two ends of the connecting rod is larger than the outer diameter of a pin shaft of the rotating pin, and the inner diameter of each through hole of the flat surfaces at two ends of the connecting rod is smaller than the outer diameter of a pin cap shaft of the rotating pin; the support frame and the support seat form an auxiliary support body, the support seat and the hanging wall form fixed constraint through double-sided adhesive tape or a sucker, the support frame is provided with a through hole, the inner diameter of the through hole of the support frame is larger than the outer diameter of the pin shaft of the rotating pin, and the inner diameter of the through hole of the support frame is smaller than the outer diameter of the pin cap shaft of the rotating pin; the thickness of the support frame along the axis direction of the through hole is equal to the thickness of the hook frame along the axis direction of the through hole, and the sum of the thickness of the support frame along the axis direction of the through hole and the thickness of the flat surfaces at the two ends of the connecting rod is slightly smaller than the length of the pin body from the bottom of the pin cap to the outer edge section of the pin hole of the rotating pin; the rotating pin and the bolt are assembled into a rotating pin assembly, and the rotating pin and the bolt are matched for use; the hook comprises a hook body, a rotating pin, a connecting rod, a pin hole and a pin hole, wherein the rotating pin sequentially penetrates through a through hole of a flat surface at one end of the connecting rod and a through hole at the lower part of the hook frame; the auxiliary support body is provided with a rotary pin, a support frame and a pin hole, wherein the rotary pin sequentially penetrates through a through hole of a flat surface at the other end of the connecting rod and a support frame through hole; the two ends of the connecting rod are respectively connected to the hook body and the auxiliary support body through rotating pin assemblies of the rotating pin and the bolt, the two ends of the connecting rod are both in rotating connection, the condition of the two-force rod is met, and the connecting rod belongs to the two-force rod; the center distance between the through holes of the flat surfaces at the two ends of the connecting rod determines the distance between the fixed position points of the hook seat and the hanging wall and the fixed position points of the supporting seat and the hanging wall.
The invention has the beneficial effects that the two-force rod type combined hook device is adopted, so that the problems that the existing hook is easy to drop from the wall when a key object is placed on the hook, the number of sucking discs is simply increased, the cost is high, or the supporting function of the hook is single are solved. The hanger has the advantages of simple structure, convenient installation and low cost, greatly reduces the fixed constraint torque and the fixed constraint supporting force in the vertical direction of the hanger body under the same hanger by utilizing the stress characteristics of the two force rods, greatly improves the upper limit of the gravity of the hanger for placing the hanger, and enlarges the application range of the device.
Drawings
FIG. 1 is a schematic view of a two-force lever type combined hook device;
FIG. 2 is a schematic cross-sectional view of a swivel pin assembly of a two-bar-type combination hook apparatus of the present invention;
FIG. 3 is a diagram showing the force analysis of a hanger body when a connecting rod is installed in a two-force rod type combined hanger device;
fig. 4 is a schematic diagram of the force analysis of the hook body of the two-force lever type combined hook device without connecting rods.
In the figure, 11, 12, a hook seat, 13, a hook frame, 14, a rotating pin, 141, a pin hole, 142, a pin cap, 143, a pin body, 15, a connecting rod, 16, a supporting frame, 17, a supporting seat, 21, a bolt, G, a hanging object gravity and M A Fixing constraint torque I, M B Fixing constraint torque II, F Ay Fixing the constraint supporting force I, F Bx Fixing and restraining the second supporting force F By Fixing and restraining the third supporting force F N And the two force rods restrain the counter force.
Detailed Description
The patent of the invention is further described below with reference to the drawings and examples.
Referring to the drawings, a two-force lever type combined hook device comprises: wall 11, hook seat 12, hook frame 13, rotation pin 14, connecting rod 15, support frame 16, supporting seat 17, bolt 21. Wherein the rotating pin 14 is a plastic piece in the form of a step shaft, the rotating pin 14 comprises a pin cap 142 and a pin body 143, and a pin hole 141 is designed at one end of the rotating pin 14 far away from the pin cap 142; the pin 21 is provided with a round head and two feet, the two feet of the pin 21 can be bent, the maximum outer diameter of the round head of the pin 21 is larger than the inner diameter of the pin hole 141, the diameter of the circumcircle of the two feet of the pin 21 is smaller than the inner diameter of the pin hole 141, the purpose that the two feet of the pin 21 can pass through the pin hole 141 of the rotating pin 14 is achieved, and the round head of the pin 21 cannot completely pass through the pin hole 141 of the rotating pin 14; the hook seat 12 and the hook frame 13 form a hook body, a U-shaped groove is formed between the hook seat 12 and the hook frame 13, the U-shaped groove between the hook seat 12 and the hook frame 13 is used for hanging a hanging object, the hook seat 12 and the hanging wall 11 form fixed constraint through double faced adhesive tape or a sucker (not shown in the drawing), a through hole is designed at the lower part of the hook frame 13, the inner diameter of the through hole at the lower part of the hook frame 13 is larger than the outer diameter of a pin body 143 of the rotating pin 14, and the inner diameter of the through hole at the lower part of the hook frame 13 is smaller than the outer diameter of a pin cap 142 of the rotating pin 14; the connecting rod 15 is of a cylindrical structure with two flat ends in the middle, through holes are formed in flat surfaces close to the two ends of the connecting rod 15, the inner diameter of each through hole in the flat surfaces of the two ends of the connecting rod 15 is larger than the outer diameter of a pin body 143 of the rotating pin 14, and the inner diameter of each through hole in the flat surfaces of the two ends of the connecting rod 15 is smaller than the outer diameter of a pin cap 142 of the rotating pin 14; the support frame 16 and the support seat 17 form an auxiliary support body, the support seat 17 and the hanging wall 11 form fixed constraint through double-sided adhesive tape or a sucker (not shown in the figure), the support frame 16 is designed with a through hole, the inner diameter of the through hole of the support frame 16 is larger than the outer diameter of the pin body 143 of the rotating pin 14, and the inner diameter of the through hole of the support frame 16 is smaller than the outer diameter of the pin cap 142 of the rotating pin 14; the thickness of the supporting frame 16 along the axis direction of the through hole is equal to the thickness of the hook frame 13 along the axis direction of the through hole, and the sum of the thickness of the supporting frame 16 along the axis direction of the through hole and the thickness of the flat surfaces at the two ends of the connecting rod 15 is slightly smaller than the length of the pin body 143 of the rotating pin 14 from the bottom of the pin cap 142 to the outer edge section of the pin hole 141; the rotating pin 14 and the bolt 21 are assembled into a rotating pin assembly, and the rotating pin 14 and the bolt 21 are matched for use; on the hook body, the rotating pin 14 sequentially passes through a through hole of a flat surface at one end of the connecting rod 15 and a through hole at the lower part of the hook frame 13, and two feet of the bolt 21 pass through a pin hole 141 of the rotating pin 14, and the two feet of the bolt 21 are respectively bent outwards along the outer edge of the pin hole 141 of the rotating pin 14 to prevent the bolt 21 from falling off from the pin hole 141, so that the hook body and the connecting rod 15 are connected in a rotating way; in the auxiliary supporting body, the rotating pin 14 sequentially passes through a through hole of a flat surface at the other end of the connecting rod 15 and a through hole of the supporting frame 16, the two feet of the bolt 21 pass through a pin hole 141 of the rotating pin 14, the two feet of the bolt 21 are respectively bent outwards along the outer edge of the pin hole 141 of the rotating pin 14, the bolt 21 is prevented from falling off from the pin hole 141, and the auxiliary supporting body and the connecting rod 15 are connected in a rotating way; the two ends of the connecting rod 15 are respectively connected to the hook body and the auxiliary support body through the rotating pin assemblies of the rotating pin 14 and the bolt 21, the two ends of the connecting rod 15 are both in rotating connection, the condition of the two-force rod is met, and the connecting rod 15 belongs to the two-force rod; the center distance between the through holes of the flat surfaces at the two ends of the connecting rod 15 determines the distance between the fixed position points of the hook seat 12 and the hanging wall 11 and the fixed position points of the supporting seat 17 and the hanging wall 11.
Let the vertical distance between the hanging position of the hanging object and the hanging wall 11 be L 1 The vertical distance between the center of the through hole at the lower part of the hook frame 13 and the hanging wall 11 is L 2 The method comprises the steps of carrying out a first treatment on the surface of the Stress condition when the hook body is provided with the connecting rod: the connection of the hook seat 12 and the hanging wall 11 belongs to fixed constraint and has reverse timeNeedle constraint torque and orthogonally resolved constraint counter force, i.e. fixed constraint torque two M respectively B Fixed constraint supporting force II F Bx And fixing constraint supporting force three F By The connecting rod 15 belongs to a two-force rod, and the joint of the rotating pin 14 arranged at the lower part of the hook frame 13 is subjected to a two-force rod constraint counter force along the opposite direction of the connecting rod 15 of the two-force rod, namely a two-force rod constraint counter force F N Two-force lever constraint reaction force F N Performing orthogonal decomposition to obtain horizontal force F Nx And a force F in the vertical direction Ny The U-shaped groove between the hook seat 12 and the hook frame 13 is subjected to the gravity of the hung object, namely the gravity G of the hung object, and the hook body is fixed and restrained by two M B Fixed constraint supporting force II F Bx Three F of fixed constraint supporting force By Constraint reaction force F of two force bars N The suspended object is balanced under the action of gravity G, and the calculated result is M B ＝G×L 1 -F Ny ×L 2 And F By ＝G-F Nx The method comprises the steps of carrying out a first treatment on the surface of the Stress condition when the connecting rod is not installed on the hook body: the connection of the hook seat 12 and the hanging wall 11 belongs to fixed constraint, and has anticlockwise constraint torque and orthogonal decomposition constraint counter force, namely the fixed constraint torque is M respectively A Fixing the constraint supporting force F Ay The method comprises the steps of carrying out a first treatment on the surface of the The U-shaped groove between the hook seat 12 and the hook frame 13 is subject to the gravity of the hung object, namely the gravity G of the hung object, and the hook body is fixed and restrained by a torque M A Fixing the constraint supporting force F Ay The suspended object is balanced under the action of gravity G, and the calculated result is M A ＝G×L 1 And F Ay =g; the hook body mounting connecting rod belongs to a two-force rod type combined hook device, the hook body non-mounting connecting rod belongs to an independent hook device, the stress analysis results of the hook body when the connecting rod is mounted and the connecting rod is not mounted are compared, and under the condition that the weight of a hung object is equal, the fixed constraint torque and the fixed constraint supporting force in the vertical direction when the hook body mounting connecting rod are obviously smaller than the fixed constraint torque and the fixed constraint supporting force in the vertical direction when the hook body is not mounted; the fixed constraint torque and the vertical fixed constraint supporting force which can be born when the connecting rod is arranged on the hook body are equal to the fixed constraint torque and the vertical fixed constraint supporting force which can be born when the connecting rod is not arranged on the hook bodyUnder the condition that the bundle supporting force is equal, the weight of the hung object can be obviously larger than that of the hung object when the connecting rod is not installed on the hook body when the connecting rod is installed on the hook body, and the reliability of the two-force rod type combined hook device is obviously better than that of the independent hook device.
When a two-force rod type combined hook device is needed to hang a hanging object, the hook body is fixed on the hanging wall 11 through the hook seat 12; after the hook body is reliably fixed, determining the distance requirement between the fixed position points of the hook seat 12 and the wall 11 and the fixed position points of the supporting seat 17 and the wall 11 according to the center distance between the through holes of the flat surfaces at the two ends of the connecting rod 15, calibrating the fixed position of the auxiliary supporting body on the wall 11 by using the connecting rod 15, and fixing the auxiliary supporting body on the wall 11 through the supporting seat 17 at the fixed position of the auxiliary supporting body calibrated on the wall 11; after the auxiliary support body is fixed reliably, the rotating pin 14 sequentially passes through a through hole of a flat surface at one end of the connecting rod 15 and a through hole at the lower part of the hook frame 13 on the hook body, the two feet of the bolt 21 pass through the pin holes 141 of the rotating pin 14, and the two feet of the bolt 21 are respectively bent outwards along the outer edges of the pin holes 141 of the rotating pin 14, so that the hook body and the connecting rod 15 are rotationally connected; in the auxiliary supporting body, the rotating pin 14 sequentially passes through a through hole of a flat surface at the other end of the connecting rod 15 and a through hole of the supporting frame 16, the two feet of the bolt 21 pass through the pin holes 141 of the rotating pin 14, and the two feet of the bolt 21 are respectively bent outwards along the outer edges of the pin holes 141 of the rotating pin 14, so that the auxiliary supporting body is in rotating connection with the connecting rod 15; after the two-force rod type combined hook device is installed, a hanging object with proper weight can be hung in a U-shaped groove between the hook seat 12 and the hook frame 13.
Claims (2)
1. The two-force rod type combined hook device comprises a hanging wall (11), a hook seat (12), a hook frame (13), a rotating pin (14), a connecting rod (15), a supporting frame (16), a supporting seat (17) and a bolt (21); the hook seat (12) and the hook frame (13) form a hook body, the supporting frame (16) and the supporting seat (17) form an auxiliary supporting body, and the rotating pin (14) and the bolt (21) are assembled into a rotating pin assembly; the rotating pin (14) comprises a pin cap (142) and a pin body (143), and a pin hole (141) is designed at one end, far away from the pin cap (142), of the rotating pin (14), and is characterized in that: the bolt (21) is provided with a round head and two feet, the two feet of the bolt (21) can be bent, the maximum outer diameter of the round head of the bolt (21) is larger than the inner diameter of the pin hole (141), and the diameter of the circumcircle of the two feet of the bolt (21) is smaller than the inner diameter of the pin hole (141); a U-shaped groove is formed between the hook seat (12) and the hook frame (13), a hanging object is hung in the U-shaped groove between the hook seat (12) and the hook frame (13), and the hook seat (12) and the hanging wall (11) form fixed constraint through double faced adhesive tape or a sucker; the lower part of the hook frame (13) is provided with a through hole, the inner diameter of the through hole at the lower part of the hook frame (13) is larger than the outer diameter of the pin body (143) of the rotating pin (14), and the inner diameter of the through hole at the lower part of the hook frame (13) is smaller than the outer diameter of the pin cap (142) of the rotating pin (14); the connecting rod (15) is of a cylindrical structure, two ends of the connecting rod are of a flat structure, through holes are formed in flat surfaces close to two ends of the connecting rod (15), the inner diameter of each through hole of the flat surfaces at two ends of the connecting rod (15) is larger than the outer diameter of a pin body (143) of the rotating pin (14), and the inner diameter of each through hole of the flat surfaces at two ends of the connecting rod (15) is smaller than the outer diameter of a pin cap (142) of the rotating pin (14); the supporting seat (17) and the hanging wall (11) form fixed constraint through double-sided adhesive tape or a sucker, the supporting frame (16) is provided with a through hole, the inner diameter of the through hole of the supporting frame (16) is larger than the outer diameter of the pin body (143) of the rotating pin (14), and the inner diameter of the through hole of the supporting frame (16) is smaller than the outer diameter of the pin cap (142) of the rotating pin (14); the thickness of the support frame (16) along the axis direction of the through hole is equal to the thickness of the hook frame (13) along the axis direction of the through hole, and the sum of the thickness of the support frame (16) along the axis direction of the through hole and the thickness of the flat surfaces at the two ends of the connecting rod (15) is smaller than the length of the pin body (143) of the rotating pin (14) from the bottom of the pin cap (142) to the outer edge section of the pin hole (141); the hook body is connected with the connecting rod (15) in a rotating way, the auxiliary supporting body is connected with the connecting rod (15) in a rotating way, and the connecting rod (15) belongs to a two-force rod; the center distance between the through holes of the flat surfaces at the two ends of the connecting rod (15) determines the distance between the fixed position points of the hook seat (12) and the hanging wall (11) and the fixed position points of the supporting seat (17) and the hanging wall (11).
2. A two-bar combination hook device according to claim 1, characterized in that the rotating pin (14) is a plastic piece in the form of a stepped shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207073.6A CN108392059B (en) | 2018-03-14 | 2018-03-14 | Two-force rod type combined hook device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207073.6A CN108392059B (en) | 2018-03-14 | 2018-03-14 | Two-force rod type combined hook device |
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| Publication Number | Publication Date |
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| CN108392059A CN108392059A (en) | 2018-08-14 |
| CN108392059B true CN108392059B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810207073.6A Active CN108392059B (en) | 2018-03-14 | 2018-03-14 | Two-force rod type combined hook device |
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| CN (1) | CN108392059B (en) |
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| CN108392059A (en) | 2018-08-14 |
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