CN112677871A

CN112677871A - Anti-loosening hook for tensioning device and automobile safety tensioning device with same

Info

Publication number: CN112677871A
Application number: CN202110073609.1A
Authority: CN
Inventors: 陈伟国; 陈燕琼; 邓伟; 鲍雷雷
Original assignee: Ningbo Xuli Metal Products Co Ltd
Current assignee: Ningbo Xuli Metal Products Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-04-20
Also published as: WO2022156656A1; DE202022002881U1

Abstract

The utility model provides a car safety tension device that tension device used locking couple and taken this couple, this locking couple includes the couple body and locates the hook on the couple body, its characterized in that: a damping elastic body is arranged between the hook body and the hook or on the hook body and at the position opposite to the hook. This straining device is including the host computer, its characterized in that: the hook is installed on the host, and the hook body of the hook is connected to the host through a binding band, or the hook body of the hook is directly connected to the host. The invention has the advantages that: this locking couple for straining device sets up the shock attenuation elastomer through the position between couple body and hook or on the couple body and with the hook opposite side, can play shock attenuation, buffering and locking effect, installs this locking couple on car safety straining device's host computer, when jolting vibrations and taking place, can effectively absorb its impact force to reduce the couple fracture or tie and loosen the safe risk that brings.

Description

Anti-loosening hook for tensioning device and automobile safety tensioning device with same

Technical Field

The invention relates to a tensioning device for fixing and fastening goods on vehicles such as automobiles, trailers, airplanes and ships, in particular to an anti-loosening hook for the tensioning device and an automobile safety tensioning device with the hook.

Background

The automobile safety tension device generally comprises a tension device main machine, a long bandage, a short bandage and the like. The main machine part adopts the principle of a ratchet mechanism which can prevent the reverse rotation, a handle is directly used for driving a driving pawl which pushes a ratchet wheel, the ratchet wheel directly drives a main rotating shaft, so that a binding belt wound on the main rotating shaft is tensioned, a stop pawl prevents the ratchet wheel from reversing, a certain tension can be kept on the binding belt, and cargoes are bound and fixed. The hook is connected to one end of the long and short straps and to corresponding fastening points of the vehicle or other means of conveyance. When the vehicle runs, certain vibration or jolt always exists, particularly on some road sections with poor road conditions, the hook of the common tensioning device is directly connected with the corresponding fastening point of the vehicle bearing, and when the vehicle runs, large impact force generated by repeated jolt vibration directly acts on the hook, the impact may exceed the bearing capacity of the hook, and the risk of hook breakage exists. In addition, repeated jolting shocks may also cause the tension on the straps to slow down or even loosen the straps from the host machine, which may result in slippage of the cargo without sufficient binding tension, thereby presenting a significant safety risk. In conclusion, further improvements to the existing automotive safety tensioner are desired.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a locking hook for a tensioning device, which can effectively absorb the impact force of bumping when bumping against the existing technical situation.

The second technical problem to be solved by the invention is to provide a vehicle safety tension device which can effectively absorb the impact force of bumping and reduce the phenomena of hook breakage and bandage looseness when bumping.

The technical scheme adopted by the invention for solving the first technical problem is as follows: this locking couple for straining device, including the couple body with locate the hook on the couple body, its characterized in that: and a damping elastic body is arranged between the hook body and the hook or on the hook body and at the position opposite to the hook.

As a preferred scheme, the hook and the hook body are separated, and the hook is detachably connected to the hook body.

The hook and the damping elastic body can have various mounting structures, preferably, a through hole for mounting the hook is formed in the hook body, the hook penetrates through the through hole, the inner end of the hook is located on the inner side of the hook body, and the damping elastic body is arranged on the inner side of the hook body and mounted at the inner end of the hook.

The hook body can adopt the components of a whole that can function independently structure, preferably, the hook body includes U type go-between and connecting rod, the connecting rod is installed at the opening side of U type go-between and forms confined go-between with U type go-between together, it has to open on the lateral wall of the confined side of U type go-between the through-hole, the inner end of hook is equipped with the end, damping elastomer cover is established at the inner end of hook, and damping elastomer's one end offsets with the lateral wall of the confined side of U type go-between, the other end with the end offsets.

The connecting rod may have various structures, and preferably, the connecting rod is a bolt which passes through the opposite side walls of the opening side of the U-shaped connecting ring and is connected and fixed by a nut, or the connecting rod is a pin which passes through the opposite side walls of the opening side of the U-shaped connecting ring and is fixed on the U-shaped connecting ring.

The shock-absorbing elastic body can have various structures, and is preferably an elastic sheet or a compression spring or a soft elastic body. In addition, the elastic sheet is preferably a belleville spring, and a special-shaped spring sheet can also be adopted.

The hook body can also adopt an integrated structure, preferably, the hook body is a closed connecting ring with a closed periphery, the hook is arranged on one side of the closed connecting ring, and the damping elastomer is arranged on the closed connecting ring. For example, the shock absorbing elastomer may be mounted on the same side of the hook or on the opposite side of the hook.

As another preferred scheme, the hook and the hook body are an integral piece, one side of the hook body extends outwards and is bent to form the hook, and the damping elastic body is arranged on the other side of the hook body.

The technical scheme adopted by the invention for solving the second technical problem is as follows: this install straining device of couple, including the host computer, its characterized in that: the hook is installed on the host, and the hook body of the hook is connected to the host through a binding band, or the hook body of the hook is directly connected to the host.

Further preferably, the hooks are arranged on two sides of the main machine, and the hook bodies of the two hooks are connected to the main machine through corresponding binding bands, or the hook body of one hook is connected to the main machine through a binding band, and the hook body of the other hook is directly connected to the main machine.

The main machine can have various structures, and preferably comprises a base body, a handle, a main rotating shaft, a driving pawl, a stopping pawl and a ratchet wheel, wherein the main rotating shaft is installed on the base body, the handle and the ratchet wheel are installed on the main rotating shaft and driven by the handle to rotate, the driving pawl and the stopping pawl are matched with the ratchet wheel, the driving pawl is installed on the handle, the stopping pawl is installed on the base body, one end of the binding band is installed on the main rotating shaft, and the other end of the binding band is installed on the hook body.

Compared with the prior art, the invention has the advantages that: this locking couple for straining device sets up the shock attenuation elastomer through the position between couple body and hook or on the couple body and with the hook opposite side, can play shock attenuation, buffering and locking effect, installs this locking couple on car safety straining device's host computer, when jolting vibrations and taking place, can effectively absorb its impact force to reduce the couple fracture or tie and loosen the safe risk that brings.

Drawings

Fig. 1 is a schematic perspective exploded view of a first embodiment of the present invention;

FIG. 2 is a perspective view of a first embodiment of the present invention;

FIG. 3 is a front view of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of a first embodiment of the present invention;

FIG. 5 is a perspective view of a first embodiment of the present invention in connection with a tensioning device and strap;

FIG. 6 is a perspective view of an alternative connection of the embodiment of the present invention to a tensioning device and strap;

FIG. 7 is an exploded view of a tensioner according to one embodiment of the present invention;

FIG. 8 is a top view of a tensioner in accordance with an embodiment of the present invention;

FIG. 9 is a perspective view of a second embodiment of the present invention;

FIG. 10 is an exploded view of a second embodiment of the present invention;

FIG. 11 is a perspective view of a third embodiment of the present invention;

FIG. 12 is an exploded perspective view of a third embodiment of the present invention;

FIG. 13 is a perspective view of a fourth embodiment of the present invention;

FIG. 14 is a cross-sectional view of a fourth embodiment of the present invention;

FIG. 15 is an exploded view of the fourth embodiment of the present invention;

FIG. 16 is a schematic perspective view of a fifth embodiment of the present invention;

FIG. 17 is a cross-sectional view of a fifth embodiment of the present invention;

FIG. 18 is an exploded view of the fifth embodiment of the present invention;

FIG. 19 is a perspective view of a sixth embodiment of the present invention;

FIG. 20 is a cross-sectional view of a sixth embodiment of the present invention;

FIG. 21 is an exploded view of the sixth embodiment of the present invention;

FIG. 22 is an exploded view of the seventh embodiment of the present invention;

fig. 23 is an exploded view of an eighth embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows:

as shown in fig. 1 to 3, the anti-loosening hook for a tensioning device of the present embodiment includes a hook body and a hook 2 provided on the hook body, wherein the hook 2 and the hook body are separate pieces, and the hook 2 is detachably connected to the hook body. The hook body comprises a U-shaped connecting ring 11 and a connecting rod, wherein the connecting rod is arranged on the opening side of the U-shaped connecting ring 11 to form a closed connecting ring together with the U-shaped connecting ring 11. The connecting rod of the present embodiment uses bolts 12, and the bolts 12 pass through opposite side walls of the open side of the U-shaped connecting ring 11 and are fastened by nuts 13, whereby the bolts 12 form a closed connecting ring together with the U-shaped connecting ring 11. The side wall of the closed side of the U-shaped connecting ring 11 is provided with a through hole 111 for installing the hook 2, the inner end of the hook 2 is provided with an end head 21, the inner end of the hook 2 is sleeved into the damping elastomer 3 and then penetrates through the through hole 111 from inside to outside, one end of the damping elastomer 3 is abutted against the side wall of the closed side of the U-shaped connecting ring 11, and the other end of the damping elastomer is abutted against the end head 21.

The damping elastic body 3 of the present embodiment may adopt a compression spring or a combination of belleville springs, preferably, the number of belleville springs is not limited.

The safe tensioning device of car of this embodiment is including host computer 5, and the both sides of host computer 5 all are equipped with the couple, and the couple body of at least one of them couple passes through bandage 4 to be connected on host computer 5.

As shown in fig. 4 to 5, the main frame 5 of the present embodiment adopts a ratchet tensioner, and the main frame 5 specifically includes a frame 51, a handle 52, a main rotating shaft 53, a driving pawl 54, a stopping pawl 55 and a ratchet 56, wherein the main rotating shaft 53 is installed on the frame 51, the handle 52 and the ratchet 56 are installed on the main rotating shaft 53, the main rotating shaft 53 and the ratchet 56 can rotate synchronously under the driving of the handle 52, the driving pawl 54 and the stopping pawl 55 are matched with the ratchet 56, the driving pawl 54 is installed on the handle 52, and the stopping pawl 55 is installed on the frame 51. The two hooks are both installed on the main machine 5 through the binding bands 4, one end of the left binding band 4 is installed on the main rotating shaft 53, the other end of the left binding band 4 is installed on the bolt 12 of the hook body, one end of the right binding band 4 is connected to the fixed shaft 57 of the seat body 51, and the other end of the right binding band 4 is installed on the bolt 12 of the hook. In the use, the pulling force that host computer 5 produced is transmitted to the couple, and damping elastomer 3 is then compressed after the atress, plays buffering and absorbing effect.

As shown in fig. 6 to 8, the bolt 12 of the hook body of one of the hooks is directly connected to the seat body 51 of the main unit 5, one end of the binding band 4 is mounted on the main rotating shaft 53, and the other end of the binding band 4 is mounted on the bolt 12 of the hook body of the other hook. In the use process, the buffer and shock absorption effect can also be achieved.

Example two:

as shown in fig. 9 and 10, the connecting rod of the present embodiment uses the pin 14, the pin 14 penetrates through the opposite side walls of the opening side of the U-shaped connecting ring 11 and is fixed on the U-shaped connecting ring 11, and the pin 14 and the U-shaped connecting ring 11 together form a closed connecting ring. The rest of the structure of the present embodiment is the same as that of the first embodiment, and will not be described herein.

Example three:

as shown in fig. 11 and 12, the hook body of the present embodiment is a closed connection ring 15 with a closed periphery, a mounting hole 151 is formed on one side of the closed connection ring 15, the inner end of the hook 2 inwardly penetrates through the mounting hole 151, the damping elastomer 3 is sleeved on the inner end of the hook 2, and the damping elastomer 3 is fixed at the inner end of the hook 2 by the fixing nut 16. Of course, the fixing nut 16 may be replaced by a head, which is referred to in the first embodiment.

Example four:

as shown in fig. 13 to 15, the hook body of the present embodiment is a closed connection ring 15 with a closed periphery, a mounting hole 151 is formed at one side of the closed connection ring 15, and the inner end of the hook 2 is mounted on the mounting hole 151 and connected and fixed with the closed connection ring 15. The shock-absorbing elastic body 3 is installed on the rod body closing the other side of the connection ring 15, and the binding band 4 is connected to the shock-absorbing elastic body 3. The shock-absorbing elastic body 3 of the present embodiment is made of a shaped spring piece, rubber, or similar soft elastic body.

Example five:

as shown in fig. 16 to 18, the hook body of the present embodiment is a closed coupling ring 15 whose periphery is closed, the coupling hole 22 of the hook 2 penetrates one side of the closed coupling ring 15, the cushion elastomer 3 is mounted on the other side of the closed coupling ring 15, and the strap 4 is coupled to the cushion elastomer 3.

Example six:

as shown in fig. 19 to 21, the hook 2 of the present embodiment is formed as a single body with the hook body, the hook body is a coupling ring 17, one side of the coupling ring 17 is extended and bent outwardly to form the hook 2, the shock-absorbing elastic body 3 is provided at the other side of the coupling ring 17, and the strap 4 is coupled to the shock-absorbing elastic body 3. Specifically, the hooks 2 of the present embodiment are double-row hooks. Of course, the hooks are not limited to double rows of hooks and may be single rows of hooks or multiple rows of hooks.

Example seven:

as shown in fig. 22, the main body 5 of the present embodiment adopts a cam press structure, and the principle of tensioning by the cam press can be referred to an existing tensioning device, which will not be described herein.

Example eight:

as shown in fig. 23, the main body of the present embodiment adopts a structure using an eccentric buckle, and the tightening principle of the eccentric buckle can be referred to an existing tightening device, which will not be described herein.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications or improvements may be made to the present invention without departing from the principle of the present invention, for example, the anti-loose hooks are directly installed on both sides of the host, for example, the anti-loose hook is installed on one side of the host, the existing conventional hook is installed on the other side of the host, and the anti-loose hook is installed on the host adopting other structures, which are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides a locking couple for straining device, includes couple body and locates hook (2) on the couple body, its characterized in that: and a damping elastic body (3) is arranged between the hook body and the hook (2) or on the hook body at the position opposite to the hook.

2. The check hook for a tensioner as claimed in claim 1, wherein: hook (2) and couple body are for separating the piece, and hook (2) can be dismantled and connect on the couple body.

3. The check hook for a tensioner as claimed in claim 2, wherein: the hook comprises a hook body and is characterized in that a through hole (111) for installing a hook is formed in the hook body, the hook (2) penetrates through the through hole (111) and the inner end of the hook (2) is located on the inner side of the hook body, and a damping elastic body (3) is arranged on the inner side of the hook body and installed at the inner end of the hook (2).

4. The check hook for a tensioner as claimed in claim 3, wherein: the couple body includes U type go-between (11) and connecting rod, the connecting rod is installed at the opening side of U type go-between (11) and forms the confined go-between with U type go-between together, and it has to open on the lateral wall of the confined side of U type go-between (11) through-hole (111), the inner end of hook (2) is equipped with end (21), damping elastomer (3) cover is established in the inner end of hook (2), and the one end of damping elastomer (3) offsets with the lateral wall of the confined side of U type go-between (11), the other end with end (21) offset.

5. The check hook for a tensioner as set forth in claim 4, wherein: the connecting rod is a bolt (12), the bolt (12) penetrates through the opposite side wall on the opening side of the U-shaped connecting ring (11) and is fixedly connected through a nut (13), or the connecting rod is a pin shaft (14) which penetrates through the opposite side wall on the opening side of the U-shaped connecting ring (11) and is fixed on the U-shaped connecting ring (11).

6. The check hook for a tensioner as claimed in claim 3, wherein: the hook body is a closed connecting ring (15) with a closed periphery, the hook (2) is arranged on one side of the closed connecting ring (15), and the damping elastomer (3) is arranged on the closed connecting ring (15).

7. The check hook for a tensioner as claimed in claim 1, wherein: hook (2) and couple body are integrative, and one side of couple body outwards extends and buckles and form hook (12), damping elastomer (3) are located the opposite side of couple body.

8. A safety tension device for a vehicle, provided with a hook according to any one of claims 1 to 7, comprising a main body (5), characterized in that: the hook is installed on the host (5), and the hook body of the hook is connected to the host (5) through a binding band (4), or the hook body of the hook is directly connected to the host (5).

9. The safety tensioner as claimed in claim 8, wherein: the hooks are arranged on two sides of the main machine (5), and the hook bodies of the two hooks are connected to the main machine (5) through corresponding binding bands (4), or the hook body of one hook is connected to the main machine (5) through the binding band (4), and the hook body of the other hook is directly connected to the main machine (5).

10. The safety tensioner as claimed in claim 9, wherein: the main machine (5) comprises a base body (51), a handle (52), a main rotating shaft (53), an active pawl (54), a stopping pawl (55) and a ratchet wheel (56), wherein the main rotating shaft (53) is installed on the base body (51), the handle (52) and the ratchet wheel (56) are installed on the main rotating shaft (53) and are driven by the handle (52) to rotate, the active pawl (54) and the stopping pawl (55) are matched with the ratchet wheel (56), the active pawl (54) is installed on the handle (52), the stopping pawl (55) is installed on the base body (51), one end of the binding band (4) is installed on the main rotating shaft (53), and the other end of the binding band (4) is installed on the hook body.