CN211870200U

CN211870200U - Tensioner

Info

Publication number: CN211870200U
Application number: CN201922290715.6U
Authority: CN
Inventors: 胡富英
Original assignee: Hangzhou Lejin Trading Co ltd
Current assignee: Hangzhou Lejin Trading Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-11-06
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a strainer, which comprises a box body, an opening is arranged on the box body, a ratchet wheel, a first gear, a second gear and a third gear are arranged on one side panel of the box body, a barrier strip matched with the ratchet wheel is fixed on the first gear, one side of the second gear is meshed with the first gear, the other side of the second gear is meshed with the third gear, a winder and a rotating shaft are arranged in the box body, one end of the winder penetrates through one side panel of the box body to be connected with the ratchet wheel, the other end of the winder is rotatably connected with the other side panel, one end of the rotating shaft penetrates through one side panel of the box body to be connected with the third gear, the other end of the rotating shaft is rotatably connected with the other side panel, a limiting structure and a resetting structure are arranged on the rotating shaft, a luggage rope is arranged on the winder, the box body is connected with the hook through a pull rope. The utility model has the advantages that: the luggage rope can be automatically tightened and locked.

Description

Tensioner

Technical Field

The utility model belongs to the technical field of the relevant technique of rigging and specifically relates to indicate a strainer.

Background

Under the condition of transportation, movement, shipment or storage of some goods, the strainer has certain fixed function, and they have the locking back, can not drop, safe and reliable, and light, easy and simple to handle, protect the object not damaged, mainly play the tensioning effect. In the transportation process of goods, the goods transportation vehicle is often bumpy under the influence of the road surface, so that the goods can be loosened to cause the falling phenomenon, the tensioner cannot be automatically locked under the condition that the luggage rope is loosened, and meanwhile, the conventional tensioner is often manually locked in the operation process and cannot realize the automatic locking function generally.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the not enough of unable realization automatic locking among the prior art, provide a strainer that can realize automatic locking function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a strainer comprises a box body, wherein an opening is arranged on the box body, a ratchet wheel, a first gear, a second gear and a third gear are arranged on one side panel of the box body, a blocking strip matched with the ratchet wheel is fixedly connected to the first gear, one side of the second gear is meshed with the first gear, the other side of the second gear is meshed with the third gear, a winder and a rotating shaft are arranged in the box body, one end of the winder penetrates through one side panel of the box body and is connected with the ratchet wheel, the other end of the winder is rotatably connected with the other side panel corresponding to the box body, one end of the rotating shaft penetrates through one side panel of the box body and is connected with the third gear, the other end of the rotating shaft is rotatably connected with the other side panel corresponding to the box body, a limiting structure and a resetting structure are arranged on the rotating shaft, a luggage rope is, the one end and the coiling of winder of luggage rope are connected, the other end of luggage rope is walked around the axis of rotation after the through opening be connected with the lifting hook, be equipped with the stay cord on the box body, the box body is connected with the couple through the stay cord.

The box body is provided with an opening, one side panel of the box body is provided with a ratchet wheel, a first gear, a second gear and a third gear, a blocking strip matched with the ratchet wheel is fixedly connected to the first gear, one side of the second gear is meshed with the first gear, the other side of the second gear is meshed with the third gear, a winder and a rotating shaft are arranged in the box body, one end of the winder penetrates through one side panel of the box body and is connected with the ratchet wheel, the other end of the winder is rotatably connected with the other side panel corresponding to the box body, one end of the rotating shaft penetrates through one side panel of the box body and is connected with the third gear, the other end of the rotating shaft is rotatably connected with the other side panel corresponding to the box body, the rotating shaft is provided with a limiting structure and a resetting structure, a luggage rope is arranged on the winder, one end of the, the box body is provided with a pull rope, and the box body is connected with a hook through the pull rope. The luggage rope is a braided rope, the opening is formed in the box body, the purpose of ensuring the luggage rope to be in full contact with the rotating shaft is achieved, and an operator can conveniently pull the luggage rope, so that the luggage rope and the rotating shaft generate dynamic friction to drive the rotating shaft to rotate; in an initial state, the luggage rope between the ratchet wheel and the third gear is in a loose state, so that an operator can conveniently pull the luggage rope, the luggage rope generates dynamic friction with the outer surface of the rotating shaft, the third gear rotates under the action of the dynamic friction, the third gear drives the second gear to rotate in the opposite direction, the second gear drives the first gear and the barrier strip to rotate in the same direction as the first gear, so that the ratchet wheel is opened, the third gear stops rotating through the limiting structure, so that the first gear stops rotating, the ratchet wheel is prevented from being locked after the third gear drives the barrier strip to rotate for 360 degrees, the pulling force generated by the operator on the luggage rope overcomes the dynamic friction, the luggage rope wound on the winder is pulled until the proper position is reached, the winder tightens the luggage rope, and finally the luggage rope is fixed through the lifting hook; at the moment, the gear tee joint is reset through the reset mechanism, so that the gear tee joint drives the barrier strip to reset through the gear II and the gear I in sequence, and the automatic locking ratchet wheel is automatically locked.

Preferably, the winder comprises a winding reel, a winding reel and a spiral spring, the winding reel is installed in the winding reel, the central shaft of the winding reel and the central shaft of the winding reel are of the same axis, a lantern ring is arranged at one end of the winding reel, the winding reel penetrates through one side panel of the box body through the lantern ring and is connected with the ratchet wheel, a flanging is arranged at the other end of the winding reel, an L-shaped groove matched with the flanging is formed in the other side panel corresponding to the box body, the winding reel is matched with the L-shaped groove through the flanging and is connected with the side panel of the box body in a rotating mode, one end of the winding reel is sleeved with the winding reel, the other end of the winding reel penetrates through the winding reel and is fixedly connected with one side panel of the box body provided with the L-shaped groove. One end of the clockwork spring is fixedly connected to the winding reel, the other end of the clockwork spring is connected to the winding reel, the winding reel rotates along with the pulling of the luggage rope, and the locking is achieved through the matching of the ratchet wheel and the stop strip, so that the functions of automatic tightening and automatic locking of the luggage rope are achieved.

As preferred, limit structure includes the arc limiting plate, the center pin of arc limiting plate is same axis with the center pin of axis of rotation, the arc limiting plate is located the both ends of axis of rotation and is close to the border position department of axis of rotation tip, be equipped with on the side board of box body with arc limiting plate assorted arc hole, the arc length in arc hole is greater than the arc length of arc limiting plate, the arc hole and gear three on one of them side board are connected on the one end of axis of rotation runs through the box body through the arc limiting plate, the center pin of gear three is same axis with the center pin of arc limiting plate, the other end of axis of rotation is passed through the arc limiting plate and is cooperateed with the arc hole and is connected with the corresponding another side board rotation. When operating personnel spur luggage rope, luggage rope produces the dynamic friction with the axis of rotation and drives the axis of rotation, the axis of rotation passes through the three rotations of arc spacing plate drive gear, thereby loop through gear two and the transmission of gear one and open the blend stop from the ratchet, when the arc limiting plate rotates and contacts with the border in arc hole, axis of rotation stall, operating personnel overcomes the dynamic friction between luggage rope and the axis of rotation to the pulling force that luggage rope produced this moment, until suitable position, the design is favorable to preventing that the blend stop is rotatory 360 degrees like this, avoid luggage rope at pulling in-process blend stop locking ratchet, and reasonable design, and is easy to operate.

Preferably, the reset structure comprises a spring, the central shaft of the spring and the central shaft of the rotating shaft are the same axis, the spring is positioned at the two ends of the rotating shaft and far away from the edge position of the end part of the rotating shaft, one end of the spring is fixedly connected with the end part of the rotating shaft, and the other end of the spring is fixedly connected with the side panel of the box body. When the luggage rope is pulled to a proper position, the rolling device tightens the luggage rope, artificial tension disappears at the moment, static friction between the rotating shaft and the luggage rope is overcome by the torsional spring, the rotating shaft is driven to reset, the rotating shaft drives the gear to rotate in the three opposite directions through the arc limiting plate to reset, and the gear drives the barrier strip to reset through the transmission of the gear II and the gear I, so that the ratchet wheel is automatically locked.

Preferably, the rotating shaft is provided with a plurality of rubber raised lines which are uniformly distributed, so that the design is convenient for increasing the friction force between the luggage rope and the rotating shaft.

Preferably, the ratchet wheel is provided with a plurality of pawls which are uniformly distributed, one end of the barrier strip is fixedly connected with the first gear, the other end of the barrier strip is meshed with the pawls, and the direction of the pawls is the same as the winding direction of the luggage rope on the winding reel. The orientation of the pawl is the same as the winding direction of the luggage rope on the winding reel, so that the luggage rope can be automatically tightened and locked through a spring on the winder after being loosened in the process of cargo transportation.

The utility model has the advantages that: the luggage rope can realize the functions of automatic tightening and automatic locking through the winder; simple structure, reasonable in design and the operating personnel of being convenient for operate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the tensioner;

FIG. 3 is a bottom view of FIG. 2;

fig. 4 is a cross-sectional view a-a of fig. 2.

In the figure: 1. the novel winding machine comprises a pawl, 2 parts of a hook, 3 parts of a luggage rope, 4 parts of a pull rope, 5 parts of a box body, 6 parts of an opening, 7 parts of a ratchet wheel, 8 parts of a gear I, 9 parts of a gear II, 10 parts of a gear III, 11 parts of a stop strip, 12 parts of a winding device, 13 parts of a rotating shaft, 14 parts of a limiting structure, 15 parts of a reset structure, 16 parts of a hook, 17 parts of a winding reel, 18 parts of a winding reel, 19 parts of a spiral spring, 20 parts of a lantern ring, 21 parts of a flanging, 22 parts of an L-shaped groove, 23 parts of an arc limiting plate, 24 parts of an arc hole.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, 2 and 3, the tensioner comprises a box body 5, an opening 6 is arranged on the box body 5, a ratchet wheel 7, a first gear 8, a second gear 9 and a third gear 10 are arranged on one side panel of the box body 5, a blocking strip 11 matched with the ratchet wheel 7 is fixedly connected to the first gear 8, one side of the second gear 9 is meshed with the first gear 8, the other side of the second gear 9 is meshed with the third gear 10, a winding device 12 and a rotating shaft 13 are arranged in the box body 5, one end of the winding device 12 penetrates through one side panel of the box body 5 to be connected with the ratchet wheel 7, the other end of the winding device 12 is rotatably connected with the other side panel corresponding to the box body 5, one end of the rotating shaft 13 penetrates through one side panel of the box body 5 to be connected with the third gear 10, the other end of the rotating shaft 13 is rotatably connected with the, be equipped with limit structure 14 and reset structure 15 on the axis of rotation 13, be equipped with luggage rope 3 on the winder 12, as shown in fig. 1, the one end and the winder 12 of luggage rope 3 are convoluteed and are connected, and the other end of luggage rope 3 is walked around the axis of rotation 13 after through opening 6 is connected with lifting hook 2, is equipped with stay cord 4 on the box body 5, and box body 5 is connected with couple 16 through stay cord 4.

As shown in fig. 2, the winding device 12 includes a winding reel 17, a winding reel 18 and a spring 19, as shown in fig. 3, the winding reel 18 is installed in the winding reel 17, the central axis of the winding reel 18 and the central axis of the winding reel 17 are the same axis, one end of the winding reel 17 is provided with a collar 20, the winding reel 17 penetrates through one side panel of the box body 5 through the collar 20 to be connected with the ratchet wheel 7, the other end of the winding reel 17 is provided with a flange 21, the other side panel corresponding to the box body 5 is provided with an L-shaped groove 22 matched with the flange 21, the winding reel 17 is matched with the L-shaped groove 22 through the flange 21 to be rotatably connected with the side panel of the box body 5, one end of the winding reel 18 is sleeved with the winding reel 17, the other end of the winding reel 18 penetrates through the winding reel 17 to be fixedly connected with one side panel of the box body 5 provided with the L-shaped groove 22, as, the other end of the spring 19 is connected to the spool 17.

As shown in fig. 2, 3 and 4, the limiting structure 14 includes an arc limiting plate 23, the central axis of the arc limiting plate 23 and the central axis of the rotating shaft 13 are the same axis, the arc limiting plates 23 are located at the two ends of the rotating shaft 13 and near the edge of the end of the rotating shaft 13, an arc hole 24 matched with the arc limiting plate 23 is provided on the side panel of the box body 5, the arc length of the arc hole 24 is greater than the arc length of the arc limiting plate 23, as shown in fig. 4, one end of the rotating shaft 13 penetrates through the arc-shaped hole 24 on one of the side panels of the box body 5 through the arc-shaped limiting plate 23 to be connected with the gear three 10, the central axis of the gear three 10 and the central axis of the arc-shaped limiting plate 23 are the same axis, the other end of the rotating shaft 13 is matched with the arc-shaped hole 24 through the arc-shaped limiting plate 23 to be rotatably connected with the other side panel corresponding to the box body 5, as shown in fig. 1, the luggage cord 3 is in contact with the side of the rotating shaft 13 on which the arc-shaped stopper plate 23 is provided.

As shown in fig. 4, the restoring structure 15 includes a spring 25, a central axis of the spring 25 and a central axis of the rotating shaft 13 are the same axis, the spring 25 is located at two ends of the rotating shaft 13 and is far away from an edge position of an end of the rotating shaft 13, one end of the spring 25 is fixedly connected with the end of the rotating shaft 13, and the other end of the spring 25 is fixedly connected with a side panel of the box 5. The rotating shaft 13 is provided with a plurality of rubber convex strips 26 which are uniformly distributed.

As shown in fig. 1 and 2, the ratchet wheel 7 is provided with a plurality of evenly distributed pawls 1, one end of a barrier strip 11 is fixedly connected with the first gear 8, the other end of the barrier strip 11 is meshed with the pawls 1, and the direction of the pawls 1 is the same as the winding direction of the luggage rope 3 on the winding reel 17.

The working principle is as follows: the luggage rope 3 mentioned in the utility model is a braided rope, under the initial state, the luggage rope 3 between the ratchet 7 and the gear III 10 is in a loose state, so that an operator can conveniently pull the luggage rope 3 to generate dynamic friction between the luggage rope 3 and the outer surface of the rotating shaft 13, and the rotating shaft 13 drives the gear III 10 to rotate through the arc-shaped limiting plate 23 under the action of the dynamic friction, so that the barrier strip 11 is opened from the ratchet 7 through the transmission of the gear II 9 and the gear I8 in sequence, and the ratchet 7 is opened; when the arc limiting plate 23 rotates to be in contact with the boundary of the arc hole 24, the rotating shaft 13 stops rotating, at this time, the pulling force generated by the operator on the luggage rope 3 overcomes the dynamic friction between the luggage rope 3 and the rotating shaft 13, so as to pull the luggage rope 3 wound on the winder 12 to a proper position, the winder 12 tightens the luggage rope 3, and finally, the luggage rope is fixed through the hook 2; when the luggage rope 3 is pulled to a proper position, the rolling device 12 tightens the luggage rope 3, the artificial tension disappears at the moment, the torsional spring 25 overcomes the static friction between the rotating shaft 13 and the luggage rope 3 to drive the rotating shaft 13 to reset, the rotating shaft 13 drives the gear III 10 to reversely rotate and reset through the arc limiting plate 23, and the gear II 9 and the gear I8 are sequentially driven to drive the barrier strip 11 to reset, and the ratchet wheel 7 is automatically locked.

The orientation of the pawl 1 is the same as the winding direction of the luggage rope 3 on the winding reel 17, and when the luggage rope 3 is loosened due to bumping of the freight car during the transportation of the goods, the luggage rope 3 can be automatically tightened and locked by the spring 19 on the winder 12.

Claims

1. A tensioner is characterized by comprising a box body (5), wherein an opening (6) is formed in the box body (5), a ratchet wheel (7), a first gear (8), a second gear (9) and a third gear (10) are arranged on one side panel of the box body (5), a blocking strip (11) matched with the ratchet wheel (7) is fixedly connected to the first gear (8), one side of the second gear (9) is meshed with the first gear (8), the other side of the second gear (9) is meshed with the third gear (10), a winder (12) and a rotating shaft (13) are arranged in the box body (5), one end of the winder (12) penetrates through one side panel of the box body (5) and is connected with the ratchet wheel (7), the other end of the winder (12) is rotatably connected with the other side panel corresponding to the box body (5), one end of the rotating shaft (13) penetrates through one side panel of the box body (5) and is connected with the third gear (10), the other end of axis of rotation (13) rotates with another side panel that box body (5) is corresponding to be connected, be equipped with limit structure (14) and reset structure (15) on axis of rotation (13), be equipped with luggage rope (3) on winder (12), the one end and the winder (12) of luggage rope (3) are convoluteed and are connected, run through opening (6) and be connected with lifting hook (2) behind axis of rotation (13) are walked around to the other end of luggage rope (3), be equipped with stay cord (4) on box body (5), box body (5) are connected with couple (16) through stay cord (4).

2. The tensioner according to claim 1, wherein the winder (12) comprises a winding drum (17), a winding shaft (18) and a spring (19), the winding shaft (18) is installed in the winding drum (17), the central axis of the winding shaft (18) and the central axis of the winding drum (17) are coaxial, one end of the winding drum (17) is provided with a lantern ring (20), the winding drum (17) penetrates through one side panel of the box body (5) through the lantern ring (20) to be connected with the ratchet wheel (7), the other end of the winding drum (17) is provided with a flanging (21), the other side panel corresponding to the box body (5) is provided with an L-shaped groove (22) matched with the flanging (21), the winding drum (17) is matched with the L-shaped groove (22) to be rotatably connected with the side panel of the box body (5) through the flanging (21), one end of the winding shaft (18) is sleeved with the winding drum (17), the other end of the winding reel (18) penetrates through the winding reel (17) and is fixedly connected with a side panel of the box body (5) provided with the L-shaped groove (22), the clockwork spring (19) is wound and connected onto the winding reel (18), one end of the clockwork spring (19) is connected with the winding reel (18), and the other end of the clockwork spring (19) is connected with the winding reel (17).

3. The tensioner according to claim 1 or 2, wherein the limiting structure (14) comprises an arc limiting plate (23), the central axis of the arc limiting plate (23) and the central axis of the rotating shaft (13) are the same axis, the arc limiting plate (23) is located at the two ends of the rotating shaft (13) and close to the edge of the end of the rotating shaft (13), the side panels of the box body (5) are provided with arc holes (24) matched with the arc limiting plate (23), the arc length of the arc hole (24) is greater than that of the arc limiting plate (23), one end of the rotating shaft (13) penetrates through the arc hole (24) on one side panel of the box body (5) through the arc limiting plate (23) and is connected with the gear III (10), the central axis of the gear III (10) and the central axis of the arc limiting plate (23) are the same axis, the other end of axis of rotation (13) matches through arc limiting plate (23) and arc hole (24) and is connected with the corresponding another side panel rotation of box body (5), luggage rope (3) contacts with the one side that is equipped with arc limiting plate (23) on axis of rotation (13).

4. A tensioner according to claim 3, characterized in that said return structure (15) comprises a spring (25), the central axis of said spring (25) is coaxial with the central axis of said rotating shaft (13), said spring (25) is located at the edge position of the end of said rotating shaft (13) far from the end of said rotating shaft (13), one end of said spring (25) is fixedly connected with the end of said rotating shaft (13), and the other end of said spring (25) is fixedly connected with the side panel of said case (5).

5. A tensioner according to claim 4, characterized in that the rotating shaft (13) is provided with a plurality of evenly distributed rubber ribs (26).

6. The tensioner according to claim 2, characterized in that the ratchet wheel (7) is provided with a plurality of evenly distributed pawls (1), one end of the bar (11) is fixedly connected with the first gear (8), the other end of the bar (11) is engaged with the pawls (1), and the pawls (1) face the same direction as the luggage rope (3) is wound on the winding reel (17).