CN201058672Y

CN201058672Y - Anti-loose reverse-pulling strainer

Info

Publication number: CN201058672Y
Application number: CNU2007201696006U
Authority: CN
Inventors: 杨建国; 赵金亮; 张永吉
Original assignee: Juli Sling Co Ltd
Current assignee: Juli Sling Co Ltd
Priority date: 2007-07-06
Filing date: 2007-07-06
Publication date: 2008-05-14
Anticipated expiration: 2017-07-06

Abstract

The utility model relates to an anti-loosing reverse-pull type tightening device, which comprises a support, a semi-axis, ratchet wheels, hand-pull vertical plates, and a handle, wherein lock plate slide slot is respectively arranged at the middle part of the two hand-pull vertical plates, hand-pull lock plate which can be inserted between teeth of each ratchet wheel is arranged movably in the lock plate slide slot, the support is respectively provided with a ratchet wheel lock plate slot at rear side of two semi-axes, the ratchet wheel lock plate is arranged movably in the ratchet locking plate slide slot, the two ratchet wheels on the ratchet wheel can be inserted between teeth of each ratchet wheel, each ratchet moves clockwise under the action of the two ratchet claws on the ratchet locking plate, an anti-back hook is arranged at lower end of the middle of hand-pull vertical plate, the anti-back hook is matched with the outer end of the ratchet wheel lock plate, the upper end of the middle of the two hand-pull vertical plates at rear side of the two semi-axes is respectively provided with a closed lock slot with turn-up opening, when the hand-pull lock plate is arranged inside the lock plate guide slot, the inner end of each hand-pull lock plate can be propped at the inner bottom of the closed lock slot. The purpose of the utility model is to provide an anti-loosing reverse-pull type tightening device with good safety performance which can save labor for tightening goods and can prevent the tightened goods from being overturned.

Description

The tight device of anti-loosening anti-pull-type bolt

Technical field

The utility model relates to the tight device of a kind of bolt.

Background technology

The tight device of existing bolt mainly by support, two semiaxis, be sleeved on two ratchets, pull clamp, handle and the parts such as being connected handle that can insert between each ratchet teeth on the semiaxis and form, two ratchets that each ratchet is subjected on the ratchet clamp are done the conter clockwise motion as the time spent.In use,, and then cause the bolt taut band can't the tight goods of bolt, even cause being fastened goods and occur toppling because the ratchet of the tight device of existing bolt might rotate because of jolting, shaking.In addition, because two ratchets that each ratchet is subjected on the ratchet clamp are done the conter clockwise motion as the time spent, the tight device of existing bolt all is to adopt with the hands to hold handle respectively and be connected handle when fastening goods, handle is pulled away from the connection handle, but because both hands are distinguished outer handle and are connected handle, make the operator goods could be fastened, sometimes even be difficult to accomplish goods is fastened with more power.

The utility model content

The purpose of this utility model is to provide a kind of safety performance good, can more economize the goods that fastens of muscle power, can avoid being fastened the tight device of anti-loosening anti-pull-type bolt that toppling appears in goods.

The tight device of anti-loosening anti-pull-type bolt of the present utility model, comprise support, middle part at support is semi-round semiaxis along laterally being provided with two cross-sectional planes, ratchet is equipped with in the outside that is positioned at described support on two semiaxis fixed cover respectively, the outside that is positioned at each ratchet on two semiaxis can be set with rotationally respectively and pull riser, two rear ends that pull riser adopt handle to link to each other, two middle parts that pull riser are respectively equipped with the clamp chute, the clamp that pulls that can insert between each ratchet teeth actively is installed in the clamp chute, pulling clamp adopts spring that it is pushed up between the teeth of two ratchets, the rear side that is positioned at two semiaxis on the described support is respectively equipped with ratchet clamp chute, in the ratchet clamp chute ratchet clamp is installed actively, two ratchets on the ratchet clamp can insert between the ratchet teeth, the ratchet clamp adopts the top spring that it is pushed up between the teeth of two ratchets, the rear end of described support has the connection handle, two ratchets that each described ratchet is subjected on the described ratchet clamp are done the cw motion as the time spent, the described lower end that pulls the riser middle part has anti-retreating hook, anti-retreating hook matches with the outer end of described ratchet clamp, the rear side that is positioned at two semiaxis two described upper ends that pull riser middle part is respectively equipped with opening closed locked groove backwards, can withstand on the bottom of closed locked groove in each inner end that pulls clamp when being positioned at position, described clamp chute inner end pulling clamp.

The tight device of anti-loosening anti-pull-type bolt of the present utility model, wherein the front side that is positioned at two semiaxis two described upper ends that pull riser middle part is respectively equipped with opening open locked groove forward, and each opening locked groove is positioned at described clamp chute outer end position place and matches with the inner end that pulls clamp pulling clamp.

The tight device of anti-loosening anti-pull-type bolt of the present utility model, the upper surface of two ratchets of wherein said ratchet clamp has triangular hill respectively.

The tight device of anti-loosening anti-pull-type bolt of the present utility model, the front end of wherein said support adopt bearing pin to link to each other, and are set with guide thimble on the bearing pin,

The tight device of anti-loosening anti-pull-type bolt of the present utility model, wherein left and right two ends of two described semiaxis adopt straight pin to link to each other respectively, each described ratchet and described pulling are provided with packing ring between the riser, left and right two ends of described connection handle are fixed on the described support with black nut respectively, two described middle parts that pull riser adopt bracing frame to link to each other, and the rear end of described spring withstands on the middle part of bracing frame.

The advantage and the good effect of the tight device of anti-loosening anti-pull-type bolt of the present utility model are: because two ratchets that each ratchet is subjected on the ratchet clamp are done the cw motion as the time spent, when fastening goods, can adopt and with the hands hold handle respectively and be connected handle, outer handle is pressed to the connection handle get final product, just goods can be fastened thereby make the operator only need consume less muscle power; Has anti-retreating hook owing to pull the lower end at riser middle part, anti-retreating hook matches with the outer end of described ratchet clamp, the rear side that is positioned at two semiaxis two upper ends that pull riser middle part is respectively equipped with opening closed locked groove backwards, can withstand on the bottom of closed locked groove in each inner end that pulls clamp when being positioned at position, clamp chute inner end pulling clamp.In use, available hand holds the connection handle respectively and handle back and forth rotates and in the end firmly press down handle, just can be with bolt taut band being wrapped on two semiaxis tightly, thereby the bolt taut band that two ends have been fixed is tightened up, pull back to stop with hand then and draw clamp, and firmly depress two and pull riser, the front end that the order of loosing one's grip again pulls clamp inserts in two closed locked grooves, block the outer end of ratchet clamp with seasonal anti-retreating hook, make the ratchet clamp not retreat, thereby the tight device of bolt is thoroughly pinned with the form of double insurance.So safety performance of the present utility model is good, can more economize the goods that fastens of muscle power, can avoid being fastened goods and occur toppling.

Other details of the tight device of the anti-loosening anti-pull-type bolt of the utility model and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is in the front view of the structural representation of locking closure state for the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the perspective view of the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 4 is the structural representation for decomposing state of the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 5 is in a kind of structural representation of running condition for the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 6 is in another structural representation of running condition for the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 7 is the structural representation of the ratchet clamp of the tight device of anti-loosening anti-pull-type bolt of the present utility model;

Fig. 8 is the structural representation of the support of the tight device of anti-loosening anti-pull-type bolt of the present utility model.

The specific embodiment

As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the tight device of the anti-loosening anti-pull-type bolt of the utility model, comprise support 1, middle part at support 1 is semi-round semiaxis 12 along laterally being provided with two cross-sectional planes, between two semiaxis 12, has the band gap of wearing, ratchet 2 is equipped with in the outside that is positioned at support 1 on two semiaxis 12 fixed cover respectively, the outside that is positioned at each ratchet 2 on two semiaxis 12 can be set with rotationally respectively and pull riser 4, two rear ends that pull riser 4 adopt handle 10 to link to each other, two middle parts that pull riser 4 are respectively equipped with clamp chute 16, actively be equipped with in the clamp chute 16 to insert and pull clamp 5 between each ratchet 2 teeth, pulling clamp 5 adopts spring 6 that it is pushed up between the teeth of two ratchets 2, the rear side that is positioned at two semiaxis 12 on the support 1 is respectively equipped with ratchet clamp chute 17, in the ratchet clamp chute 17 ratchet clamp 11 is installed actively, two ratchets on the ratchet clamp 11 can insert between ratchet 2 teeth, ratchet clamp 11 adopts top spring 18 that it is pushed up between the teeth of two ratchets 2, the rear end of support 1 has the handle 8 of connection, each tilts towards anticlockwise direction for the teeth of ratchet 2, two ratchets that each ratchet 2 is subjected on the described ratchet clamp 11 are done the cw motion as the time spent, the lower end that pulls riser 4 middle parts has anti-retreating hook 19, anti-retreating hook 19 matches with the outer end of ratchet clamp 11, the rear side that is positioned at two semiaxis 12 two upper ends that pull riser 4 middle parts is respectively equipped with opening closed locked groove 20 backwards, can withstand on the bottom of closed locked groove 20 in each inner end that pulls clamp 5 when being positioned at position, clamp chute 16 inner end pulling clamp 5, the front side that two upper ends that pull riser 4 middle parts are positioned at two semiaxis 12 is respectively equipped with opening open locked groove 22 forward, can withstand on the bottom of open locked groove 22 in each inner end that pulls clamp 5 when being positioned at clamp chute 16 outer end position pulling clamp 5.

The front end of above-mentioned support 1 adopts bearing pin 15 to link to each other, and is set with guide thimble 14 on the bearing pin 15, and in use, the bolt taut band can commutate by guide thimble 14, to avoid since the too big bolt taut band that makes of bending angle be stuck.

Left and right two ends of above-mentioned two semiaxis 12 adopt straight pin 13 to link to each other respectively, each ratchet 2 and pull and be provided with packing ring 3 between the riser 4, left and right two ends that connect handle 8 are fixed on the support 1 with black nut 9 respectively, two middle parts that pull riser 4 adopt bracing frame 7 to link to each other, and the rear end of spring 6 withstands on the middle part of bracing frame 7.

As shown in Figure 7, has triangular hill 21 respectively, with the service life of two ratchets improving ratchet clamp 11 at the upper surface of two ratchets of ratchet clamp 11.

As Fig. 1, Fig. 5 and shown in Figure 6, the tight device of the anti-loosening anti-pull-type bolt of the utility model in use, available hand is held connection handle 8 respectively and is back and forth rotated with handle 10 and in the end firmly handle 10 is pulled to being connected handle 8, make the people's rotation of taking advantage of a situation of 2 on two ratchets, just can be with bolt taut band being wrapped on two semiaxis 12 tightly, thereby the bolt taut band that two ends have been fixed is tightened up, pull back to stop with hand then and draw clamp 5, and firmly depress two and pull riser 4, the front end that the order of loosing one's grip again pulls clamp 5 inserts in two closed locked grooves 20, block the outer end of ratchet clamp 11 with seasonal anti-retreating hook 19, make ratchet clamp 11 not retreat, thereby the tight device of bolt is thoroughly pinned with the form of double insurance.

When loosening the bolt taut band, available portable two pull the front end that riser 4 order pulls clamp 5 and break away from two closed locked grooves 20, and upwards draw simultaneously to pull and pull riser 4, make anti-retreating hook 19 no longer block the outer end of ratchet clamp 11, hold respectively with hand again and connect handle 8 and handle 10 back and forth rotates, just the bolt taut band can be loosened, and then pull back to stop with hand and draw clamp 5, the front end that the order of loosing one's grip again pulls clamp 5 inserts in two open locked grooves 22, make and pull the rotation that clamp 5 no longer influences two ratchets 2, make semiaxis 12 be in complete free state, make thus to be in complete release position by the tight goods of bolt.

Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design plan prerequisite; common engineering staff make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims

1. the tight device of anti-loosening anti-pull-type bolt, comprise support (1), middle part at support (1) is semi-round semiaxis (12) along laterally being provided with two cross-sectional planes, ratchet (2) is equipped with in the outside that is positioned at described support (1) on two semiaxis (12) fixed cover respectively, the outside that is positioned at each ratchet (2) on two semiaxis (12) can be set with rotationally respectively and pull riser (4), two rear ends that pull riser (4) adopt handle (10) to link to each other, two middle parts that pull riser (4) are respectively equipped with clamp chute (16), actively be equipped with in the clamp chute (16) to insert and pull clamp (5) between each ratchet (2) teeth, pulling clamp (5) adopts spring (6) that it is pushed up between the teeth of two ratchets (2), the rear side that is positioned at two semiaxis (12) on the described support (1) is respectively equipped with ratchet clamp chute (17), ratchet clamp (11) actively is installed in the ratchet clamp chute (17), two ratchets on the ratchet clamp (11) can insert between ratchet (2) teeth, ratchet clamp (11) adopts top spring (18) that it is pushed up between the teeth of two ratchets (2), the rear end of described support (1) has connection handle (8), it is characterized in that two ratchets that each described ratchet (2) is subjected on the described ratchet clamp (11) do cw motion as the time spent, the described lower end that pulls riser (4) middle part has anti-retreating hook (19), anti-retreating hook (19) matches with the outer end of described ratchet clamp (11), the rear side that is positioned at two semiaxis (12) two described upper ends that pull riser (4) middle part is respectively equipped with opening closed locked groove (20) backwards, can withstand on the bottom of closed locked groove (20) in each inner end that pulls clamp (5) when being positioned at described clamp chute (16) position, inner end pulling clamp (5).

2. the tight device of anti-loosening anti-pull-type bolt according to claim 1, it is characterized in that the front side that is positioned at two semiaxis (12) in the upper end at two described supports (1) middle parts is respectively equipped with opening open locked groove (22) forward, can withstand on the bottom of open locked groove (22) in each inner end that pulls clamp (5) when being positioned at described clamp chute (16) outer end position pulling clamp (5).

3. the tight device of anti-loosening anti-pull-type bolt according to claim 2 is characterized in that the upper surface of two ratchets of described ratchet clamp (11) has triangular hill (21) respectively.

4. according to claim 1 or the tight device of 2 or 3 described anti-loosening anti-pull-type bolts, it is characterized in that the front end of described support (1) adopts bearing pin (15) to link to each other, be set with guide thimble (14) on the bearing pin (15).

5. the tight device of anti-loosening anti-pull-type bolt according to claim 4, left and right two ends that it is characterized in that two described semiaxis (12) adopt straight pin (13) to link to each other respectively, each described ratchet (2) and described pulling are provided with packing ring (3) between the riser (4), left and right two ends of described connection handle (8) use black nut (9) to be fixed on the described support (1) respectively, two described middle parts that pull riser (4) adopt bracing frame (7) to link to each other, and the rear end of described spring (6) withstands on the middle part of bracing frame (7).