CN212972010U

CN212972010U - Case and bag subtracts heavy pulley

Info

Publication number: CN212972010U
Application number: CN202021304698.3U
Authority: CN
Inventors: 李凤春
Original assignee: Nantong Chunhui Luggage Co Ltd
Current assignee: Nantong Chunhui Luggage Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-16
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to a case and bag accessory technical field just discloses a case and bag subtracts heavy pulley, including the case and bag body, the bottom surface of case and bag body has been seted up the pulley and has been accomodate the groove, the inboard fixed mounting in top in groove is accomodate to the pulley has the pivot, the outside of pivot is rotated and is connected with first bracing piece, the bottom activity of first bracing piece is pegged graft and is had the second bracing piece, the bottom fixed mounting of second bracing piece has the support, two the support middle part is rotated and is connected with the pulley. The supporting rod formed by combining the first supporting rod and the second supporting rod is installed at the bottom of the rotating shaft, the pulley is installed at the bottom of the second supporting rod, the supporting rod formed by the first supporting rod and the second supporting rod is downwards rotated to be in a vertical state in the use process of the luggage, the weight of the upper part of the luggage is shared by a user, the weight of the user is reduced by the sliding of the pulley and the pulley at the bottom, and therefore the effect of reducing the weight of the luggage through the external pulley is achieved.

Description

Case and bag subtracts heavy pulley

Technical Field

The utility model relates to a case and bag accessory technical field specifically is a case and bag subtracts heavy pulley.

Background

The bag is a general term for bags, and is a general term for various bags for holding articles, including general shopping bags, handbags, purses, backpacks, rucksacks, satchels, waist bags and various draw-bar boxes. The material of case and bag is more diversified, and leather, PU, dacron, canvas, cotton-flax etc. can often see the case and bag that have the pulley at the station, but this kind of case and bag only has the pulley in the bottom, and when the thing that is equipped with in the case and bag was very much, case and bag will become very heavy, only relies on the pulley of bottom to slide this moment will be very hard.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a case and bag subtracts heavy pulley possesses and subtracts heavy advantage for case and bag through external pulley, has solved current case and bag and has passed through the pulley and subtract the problem of heavy.

(II) technical scheme

For realizing above-mentioned through external pulley for case and bag subtract heavy purpose, the utility model provides a following technical scheme: a weight-reducing pulley for a luggage comprises a luggage body, wherein a pulley accommodating groove is formed in the bottom side surface of the luggage body, a rotating shaft is fixedly mounted on the inner side of the top of the pulley accommodating groove, a first supporting rod is rotatably connected to the outer portion of the rotating shaft, a second supporting rod is movably inserted into the bottom of the first supporting rod, a support is fixedly mounted at the bottom of the second supporting rod, pulleys are rotatably connected to the middle portions of the two supports, a clamping groove is formed in the inner side wall of the first supporting rod, a supporting column is movably inserted into the top of the second supporting rod, a first spring is movably sleeved on the outer side of the supporting column inside the second supporting rod, an extrusion sliding block is fixedly connected to the bottom of the supporting column, pushing rods are movably connected to the two sides of the extrusion sliding block, a connecting rod is fixedly connected to one end of the outer side of each pushing, the outer side one end fixedly connected with of spacing dish grafting gag lever post, the outside of connecting rod has cup jointed spring two, the top fixedly connected with pulling force rope of pillar, the top of case and bag body is pegged graft and has been had the pull rod, the outside activity of pull rod has cup jointed the slip cap, the inboard fixedly connected with of slip cap accomodates the roller, the bottom fixed mounting of case and bag body has the bottom pulley.

Preferably, the pulley storage groove is formed in the middle of the bottom side of the luggage body, transverse grooves are formed in two sides of the upper end and the lower end of the pulley storage groove, the bottom of the pulley storage groove is provided with a magnet, and the first supporting rod and the second supporting rod are made of iron materials.

Preferably, the inner wall both sides at first bracing piece are seted up to joint groove equidistant, the diameter size of grafting gag lever post is less than the diameter size in joint groove, the vertical hole groove of column has been seted up at the top of second bracing piece, and this hole groove diameter equals the diameter of pillar.

Preferably, the length of the strut is greater than the natural extension length of the first spring, the bottom of the first spring is fixedly connected with the extrusion sliding block, and the top of the first spring is fixedly connected with the lower surface of the top of the second supporting rod.

Preferably, the both sides of extrusion slider have been seted up the hypotenuse, two the hypotenuse of the same angle is all seted up to the both sides that push away the stick relative, and its interval equals the length of extrusion slider bottom under the two natural extension states of spring to two inboard one ends that push away the stick.

Preferably, the connecting rod is inserted in two sides of the second supporting rod, hole grooves are formed in two sides of the second supporting rod, the diameter of the limiting disc is larger than the width of the hole grooves formed in two sides of the second supporting rod, and the distance between the limiting disc and the outer side wall of the second supporting rod is larger than the depth of the clamping groove.

Preferably, the sum of the elastic forces of the two second springs is equal to half of the elastic force of the first spring, the tension rope penetrates through the top of the first supporting rod and is fixedly connected with the middle of the containing roller, and the tension rope is wired inside the luggage body through a pipeline.

Preferably, the sliding sleeves are movably sleeved outside the pull rod, the accommodating roller is inserted between the two sliding sleeves, the tension rope is fixedly connected to the middle of the accommodating roller, and the contact parts of the accommodating roller and the two sliding sleeves are provided with limiting discs.

(III) advantageous effects

Compared with the prior art, the utility model provides a case and bag subtracts heavy pulley possesses following beneficial effect:

1. this case and bag subtracts heavy pulley, through the bottom side middle part at the case and bag body rotation installation pivot, through the bracing piece of installing first bracing piece and the combination of second bracing piece in the bottom of pivot, again through the bottom installation pulley at the second bracing piece, through the bracing piece that constitutes first bracing piece and second bracing piece downwards rotate to vertical state in case and bag use, share the weight on partial case and bag upper portion for the user, through the slip of pulley and bottom pulley, subtract heavy for the user, thereby reached and subtracted the effect of heavy for case and bag through external pulley.

2. This case and bag subtracts heavy pulley, one accomodates the roller through upper and lower coupling and drives pulling force rope pull-up pillar, upwards slide through the pillar, drive extrusion slider upwards slide, after extrusion slider upwards slides, two middle parts that push away the stick lose the support, under the spring action of spring two, two push away the stick and continue to slide to the middle part, drive the grafting gag lever post and break away from the joint groove, thereby swing joint between first bracing piece and the first bracing piece, the length of the combination bracing piece of first bracing piece of high change of user and second bracing piece this moment, make the case and bag be in the angle of matcing with the user, make the pulling process laborsaving the most, thereby reached the effect of quick adjustment pulley height to the position of matcing the user.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the first support rod of the present invention;

fig. 4 is the schematic view of the structure of the extruding slider of the present invention.

In the figure: 1-case body, 2-pulley accommodating groove, 3-rotating shaft, 4-first supporting rod, 5-second supporting rod, 6-support, 7-pulley, 8-clamping groove, 9-support, 10-spring I, 11-extrusion sliding block, 12-extrusion rod, 13-connecting rod, 14-limiting disc, 15-insertion limiting rod, 16-spring II, 17-tension rope, 18-pull rod, 19-sliding sleeve, 20-accommodating roller and 21-bottom pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a weight-reducing pulley for luggage comprises a luggage body 1, a pulley accommodating groove 2 is formed in the bottom side surface of the luggage body 1, the pulley accommodating groove 2 is formed in the middle of the bottom side surface of the luggage body 1, transverse grooves are formed in both sides of the upper and lower ends of the pulley accommodating groove 2, a magnet is installed at the bottom of the pulley accommodating groove 2, a first support rod 4 and a second support rod 5 are made of iron material, the pulley accommodating groove 2 is formed in the middle of the bottom side surface of the luggage body 1 and is used for accommodating the first support rod 4 and the second support rod 5, the weight-reducing pulley is convenient to be accommodated without using, the magnet can adsorb the first support rod 4 and the second support rod 5 made of iron inside the pulley accommodating groove 2, a rotating shaft 3 is fixedly installed on the inner side of the top of the pulley accommodating groove 2, the outer portion of the rotating shaft 3 is rotatably connected with the first support rod 4, the second support rod 5 is movably inserted into the bottom of the, the bottom of the second supporting rod 5 is fixedly provided with a support 6, the middle parts of the two support 6 are rotatably connected with a pulley 7, the inner side wall of the first supporting rod 4 is provided with a clamping groove 8, the clamping grooves 8 are equidistantly arranged on two sides of the inner wall of the first supporting rod 4, the diameter of the inserting limiting rod 15 is smaller than that of the clamping groove 8, the top of the second supporting rod 5 is provided with a columnar vertical hole groove, the diameter of the hole groove is equal to that of the support 9, the clamping grooves 8 which are equidistantly distributed are arranged on the inner side wall of the first supporting rod 4, the inserting limiting rod 15 is inserted into the clamping groove 8, the limit of the fragrance height position between the first supporting rod 4 and the second supporting rod 5 through the inserting limiting rod 15 can be realized, the top of the second supporting rod 5 is movably inserted with the support 9, the length of the support 9 is larger than the natural extension length of the first spring 10, and the bottom of the first spring 10 is fixedly connected with, the top of the first spring 10 is fixedly connected with the lower surface of the top of the second support rod 5, the first spring 10 releases elastic force to push the support column 9 to slide downwards along the vertical groove at the top of the second support rod 5, when the first spring 10 is in a natural extension state, the two pushing rods 12 are extruded by the extruding slide block 11 to slide towards two sides, and then the inserting limiting rod 15 is driven to be inserted into the clamping groove 8 for fixing, the length of the support column 9 is longer than that of the first spring 10, so that the support column 9 can be prevented from sliding into the second support rod 5, the first spring 10 is movably sleeved on the outer side of the support column 9 in the second support rod 5, the bottom of the support column 9 is fixedly connected with the extruding slide block 11 through welding, the two sides of the extruding slide block 11 are provided with bevel edges, the two opposite sides of the two pushing rods 12 are provided with bevel edges with the same angle, and the distance between the inner side ends of the two pushing rods, the bevel edges are arranged at the contact positions of the extrusion sliding block 11 and the extrusion rod 12, so that the two extrusion rods 12 can be extruded towards two sides by the downward sliding of the extrusion sliding block 11, the extrusion process of the bevel edges is slow and uniform, the sliding effect is good, the extrusion rod 12 is movably connected with two sides of the extrusion sliding block 11, one end of the outer side of the extrusion rod 12 is fixedly connected with a connecting rod 13 by welding, the connecting rod 13 is inserted into two sides of the second supporting rod 5, hole grooves are arranged on two sides of the second supporting rod 5, the diameter of the limiting disc 14 is larger than the width of the hole grooves arranged on two sides of the second supporting rod 5, the distance between the limiting disc 14 and the outer side wall of the second supporting rod 5 is larger than the depth of the clamping groove 8, the leftward and rightward sliding of the extrusion rod 12 is transmitted to the insertion limiting rod 15 through the connecting rod 13, in order to prevent the insertion limiting rod 15 from sliding into the second supporting rod 5 under the elastic action of the spring, a limiting disc 14 is arranged at the contact part of the inserting limiting rod 15 and the connecting rod 13 for limiting, so that the inserting limiting rod 15 is prevented from sliding into the second supporting rod 5, one end of the outer side of the connecting rod 13 is fixedly connected with the limiting disc 14 through welding, one end of the outer side of the limiting disc 14 is fixedly connected with the inserting limiting rod 15 through welding, a second spring 16 is sleeved outside the connecting rod 13, the sum of the elastic forces of the second spring 16 is equal to half of the elastic force of a first spring 10, a pull rope 17 penetrates through the top part of the first supporting rod 4 to be fixedly connected with the middle part of the receiving roller 20, the pull rope 17 is wired inside the luggage body 1 through a pipeline, if the elastic force of the second spring 16 is greater than the first spring 10, when the extruding slide block 11 downwards slides and extrudes the two extruding rods 12, the two extruding rods 12 cannot be extruded towards two sides due to too large elastic supporting force, the up-and-down sliding of the extrusion sliding block 11 can be realized by lifting the pulling rope 17 upwards, so as to change the combined height of the first supporting rod 4 and the second supporting rod 5 by controlling the insertion limiting rod 15, the top of the strut 9 is fixedly connected with the pulling rope 17 by welding, the top of the luggage body 1 is inserted with the pull rod 18, the outer part of the pull rod 18 is movably sleeved with the sliding sleeve 19, the sliding sleeve 19 is movably sleeved outside the pull rod 18, the receiving roller 20 is inserted between the two sliding sleeves 19, the pulling rope 17 is fixedly connected to the middle part of the receiving roller 20, the contact part of the receiving roller 20 and the two sliding sleeves 19 is provided with a limiting disc, the receiving roller 20 can be driven to lift the pulling rope 17 by sliding the sliding sleeve 19 up and down along the pull rod 18, the receiving roller 20 can be driven to wind the pulling rope 17 around the receiving roller 20 by rotating the receiving roller 20, so as to change the length of the pulling rope 17, the inner side, the bottom pulley 21 is fixedly arranged at the bottom of the case body 1.

The working principle is that when heavier objects are filled in the luggage body 1, the first support rod 4 and the second support rod 5 are rotated downwards around the rotating shaft 3 to enable the first support rod 4 and the second support rod 5 to rotate downwards to be in a vertical state, then the storage roller 20 which is connected upwards drives the tension rope 17 to slide upwards according to the height of a user, then the strut 9 drives the extrusion sliding block 11 to slide upwards to extrude the first spring 10, after the support of the extrusion sliding block 11 is lost between the two extrusion rods 12, the two extrusion rods 12 slide towards the middle part under the elastic force of the second spring 16, the connecting rod 13 drives the insertion limiting rod 15 to slide towards the middle part, so that the insertion limiting rod 15 slides out of the clamping groove 8, the fixing limit between the first support rod 4 and the second support rod 5 is lost, then the storage roller 20 is loosened by sliding the first support rod 4 upwards and downwards to a proper tension, and then the tension rope 17 is lost, the extrusion sliding block 11 is reset under the action of the elastic force of the first spring 10, and the two extrusion rods 12 are continuously extruded to drive the two insertion limiting rods 15 to be inserted into the clamping grooves 8, so that the position between the second supporting rod 5 and the first supporting rod 4 is limited and fixed again, and the purpose of reducing weight of the luggage through the external pulley is achieved.

In summary, the weight-reducing pulley for the luggage is characterized in that the rotating shaft 3 is rotatably mounted in the middle of the bottom side of the luggage body 1, the supporting rod formed by combining the first supporting rod 4 and the second supporting rod 5 is mounted at the bottom of the rotating shaft 3, the pulley 7 is mounted at the bottom of the second supporting rod 5, the supporting rod formed by combining the first supporting rod 4 and the second supporting rod 5 is rotated downwards to be in a vertical state in the use process of the luggage, the weight of the upper part of the luggage is shared by a user, and the weight of the user is reduced by sliding the pulley 7 and the bottom pulley 21, so that the effect of reducing the weight of the luggage through the external pulley is achieved. Accomodate roller 20 through what from top to bottom and drive pulling force rope 17 pulling pillar 9, upwards slide through pillar 9, drive extrusion slider 11 upwards slide, after extrusion slider 11 upwards slides, two middle parts that push away extrusion stick 12 lose the support, under the spring action of spring two 16, two push away extrusion stick 12 and continue to slide to the middle part, drive grafting gag lever post 15 and break away from joint groove 8, thereby swing joint between first bracing piece 4 and the first bracing piece 4, the length of the combination bracing piece according to user height change first bracing piece 4 and second bracing piece 5 this moment, make the case package be in the angle of matching with the user, make the pulling process laborsaving most, thereby reached the effect of quick adjustment pulley height to the position of matching the user.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a case and bag subtracts heavy pulley, includes case and bag body (1), its characterized in that: the luggage case comprises a case body (1), and is characterized in that a pulley accommodating groove (2) is formed in the bottom side surface of the case body (1), a rotating shaft (3) is fixedly mounted on the inner side of the top of the pulley accommodating groove (2), a first supporting rod (4) is rotatably connected to the outer portion of the rotating shaft (3), a second supporting rod (5) is movably inserted into the bottom of the first supporting rod (4), a support (6) is fixedly mounted at the bottom of the second supporting rod (5), a pulley (7) is rotatably connected to the middle of the two supports (6), a clamping groove (8) is formed in the inner side wall of the first supporting rod (4), a support column (9) is movably inserted into the top of the second supporting rod (5), a first spring (10) is movably sleeved on the outer side of the support column (9) inside the second supporting rod (5), an extrusion sliding block (11) is fixedly connected to the bottom of the support column (9), and extrusion rods (, the utility model discloses a case and bag structure, including push rod (12), outside one end fixedly connected with connecting rod (13), the spacing dish of outside one end fixedly connected with (14) of connecting rod (13), the outside one end fixedly connected with grafting gag lever post (15) of spacing dish (14), spring two (16) have been cup jointed to the outside of connecting rod (13), the top fixedly connected with pulling force rope (17) of pillar (9), it has pull rod (18) to peg graft at the top of case and bag body (1), sliding sleeve (19) have been cup jointed in the outside activity of pull rod (18), roller (20) are accomodate to the inboard fixedly connected with of sliding sleeve (19), the bottom fixed mounting of case and bag body (1) has bottom pulley (21).

2. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the pulley is accomodate groove (2) and is seted up in the bottom side middle part of case and bag body (1), horizontal recess has been seted up to the both sides at the upper and lower both ends of pulley accomodate groove (2), magnet is installed to the bottom of pulley accomodate groove (2), first bracing piece (4) and second bracing piece (5) are the iron material preparation.

3. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the inner wall both sides in first bracing piece (4) are seted up to joint groove (8) equidistant, the diameter size of grafting gag lever post (15) is less than the diameter size in joint groove (8), the vertical hole groove of column has been seted up at the top of second bracing piece (5), and this hole groove diameter equals the diameter of pillar (9).

4. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the length of pillar (9) is greater than the natural extension length of spring (10), just the bottom and the extrusion slider (11) of spring (10) carry out fixed connection, the top of spring (10) and the top lower surface of second bracing piece (5) carry out fixed connection.

5. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the hypotenuse has been seted up to the both sides of extrusion slider (11), two the hypotenuse of the same angle is all seted up to the both sides that push away that extrusion stick (12) is relative, and two push away the inboard one end of extrusion stick (12) and its interval equals the length of extrusion slider (11) bottom under spring two (16) natural extension state.

6. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the connecting rod (13) is inserted in two sides of the second supporting rod (5), hole grooves are formed in two sides of the second supporting rod (5), the diameter of the limiting disc (14) is larger than the width of the hole grooves formed in two sides of the second supporting rod (5), and the distance between the limiting disc (14) and the outer side wall of the second supporting rod (5) is larger than the depth of the clamping groove (8).

7. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the sum of the elastic forces of the two springs II (16) is equal to half of the elastic force of the spring I (10), the pull rope (17) penetrates out of the top of the first supporting rod (4) to be fixedly connected with the middle of the accommodating roller (20), and the pull rope (17) is routed inside the luggage body (1) through a pipeline.

8. A weight-reducing pulley for a luggage as claimed in claim 1, wherein: the sliding sleeves (19) are movably sleeved outside the pull rod (18), the accommodating rollers (20) are inserted between the two sliding sleeves (19), the tension ropes (17) are fixedly connected to the middle of the accommodating rollers (20), and the contact parts of the accommodating rollers (20) and the two sliding sleeves (19) are provided with limiting discs.