CN201784814U

CN201784814U - Winch

Info

Publication number: CN201784814U
Application number: CN2010202985325U
Authority: CN
Inventors: 肖招银
Original assignee: Zhejiang Topsun Logistic Control Co Ltd
Current assignee: Zhejiang Topsun Logistic Control Co Ltd
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2011-04-06
Anticipated expiration: 2020-08-20

Abstract

The utility model provides a winch, which belongs to the technical field of machinery. The utility model solves the problems existing in the conventional winch that the pawl and the ratchet wheel are not firmly meshed, and the binding precision is low. The winch comprises a U-shaped bracket, wherein a rotatable rotating shaft is arranged at the opening of the bracket, two ends of the rotating shaft penetrate the bracket respectively, a rotating structure is arranged at the part where one end of the rotating shaft penetrates the bracket, a ratchet wheel capable of rotating together with the rotating shaft is sleeved and fixedly connected at the part where the other end of the rotating shaft penetrates the bracket, and a pawl is hinged on one side of the bracket provided with the ratchet wheel and provided with a plurality of ratchets meshed with the ratchet wheel. The winch has the advantages that firm meshing of the pawl and the ratchet wheel and high binding precision.

Description

Winch

Technical field

The utility model belongs to field of mechanical technique, relates to a kind of winch.

Background technology

In the vehicular transport goods process, goods needs binding usually, comes off when the running car or collides mutually and cause and lose or damage to prevent goods.Though directly the mode of Goods binding is in daily use, wastes time and energy, and be difficult to the goods tighten with rope.

Winch is a kind of advanced person's a binding tools.Adopt not only convenient but also safety of winch restraint of loads, be subjected to the welcome of vast chaufeur deeply.Existing winch usually by support, tape spool, be located at the ratchet of tape spool one end and the ratchet and the bundling belt that can cooperate with ratchet are formed.Tape spool is connected on the support and tape spool turns, and the binding roll coil of strip is on tape spool.The outer end of stretching out support at tape spool is provided with the crow bar hole.When needing restraint of loads, crow bar is inserted in the crow bar hole, rotate crow bar and can drive the tape spool rotation, tape spool can draw bundling belt in after rotating, thereby goods is bundled firmly.

But, when using winch, be fixed on the car body, be subjected to position limit, in operating process, after pulling crow bar and making the tape spool rotating certain angle, must transfer to crow bar to insert another crow bar hole, so that be rotated further tape spool, the operation effort is time-consuming, and binding efficient is not high.And, be located at and only have a ratchet on the ratchet on the winch, when stressed when big between ratchet and the ratchet, the ratchet on the ratchet is easy to damage, and damages the afunction of back ratchet, thereby makes the purpose of winch out of reach binding.

Summary of the invention

The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the firm winch of a kind of pawl-and-gearing engagement.

The purpose of this utility model can realize by following technical proposal:

This winch, comprise the support that is the U type, the opening part of described support is provided with the rotating shaft that can rotate, the two ends of described rotating shaft pass support respectively, the part that described rotating shaft one end passes support is provided with rotational structure, and the described rotating shaft other end passes on the part of support sheathed and be fixed with the ratchet that can rotate with rotating shaft, and a side that has ratchet at described support is hinged with ratchet, it is characterized in that, have on the described ratchet some can with the ratchet of ratchet engaged.

This winch, the effect lower rotary shaft of ratchet and pawl can only unidirectional rotation.One end of bundling belt is connected in the medium position of winch rotating shaft, and rotating shaft can draw bundling belt in.In the binding process, the rotational structure of rotating shaft one end drives rotating shaft and rotates, and ratchet and pawl is separated; Bundling belt is wound in the rotating shaft, and after Goods binding is firm, ratchet and pawl meshed, and reaches the purpose of binding.In this winch, have some ratchets on the ratchet, make the pawl-and-gearing engagement very firm; When ratchet increases on ratchet, the ratchet quantity of ratchet is also increased.Be arranged on rotating shaft rotating speed one so regularly, the number of times of ratchet and ratchet engaged is many more, thereby improves the binding precision of winch.

In above-mentioned winch, described ratchet is 2 to 5.

In above-mentioned winch, described ratchet is 3.

As the case may be, can the quantity of ratchet is set to 3, ratchet quantity is too much, though the ratchet and pawl engagement firmly, but is difficult for its separation; The ratchet negligible amounts though help separating between ratchet and the ratchet, meshes insecure between the two.

In above-mentioned winch, described ratchet is hinged on the support by pin, is arranged with torsion spring on the described pin, and described ratchet is drawn close to ratchet under the effect of torsion spring.

Ratchet is in rotation process, and ratchet on the ratchet promotes ratchet, make ratchet around pin to rotating away from the ratchet direction; After bundling belt tightened up, ratchet rotated to the ratchet direction under the effect of torsion spring, finally makes ratchet and ratchet engaged.

In above-mentioned winch, described rotational structure is that rotating shaft passes the jack that the part of support is provided with.The purpose of She Zhiing is like this, when the needs rotating shaft, crow bar is inserted so far in the jack, rotates crow bar, and rotating shaft is rotated.

In above-mentioned winch, described rotational structure is that rotating shaft passes the handle that the part of support is provided with.The purpose of She Zhiing is like this, and when needing rotating shaft, directly turning handle can rotate rotating shaft.

In above-mentioned winch, described rotating shaft is positioned at the baffle plate that support midway location place is provided with two symmetries.The effect of baffle plate is, makes bundling belt always between two baffle plates, avoided the direct contact of bundling belt and support, prevented the wearing and tearing between bundling belt and the support.

Compared with prior art, this winch has the following advantages:

1, the ratchet of this winch is provided with 3 ratchets, and the pawl-and-gearing engagement is more firm, and binding is firm, not fragile in restraint of loads.

2, pass the handle that is provided with on the part of support in rotating shaft, more convenient to operate in the process of rotating shaft.

Description of drawings

Fig. 1 is the structural representation of this winch.

Fig. 2 is another structural representation of this winch.

Fig. 3 is the left view of this winch.

Among the figure, 1, support; 2, rotating shaft; 21, jack; 3, ratchet; 4, ratchet; 41, ratchet; 5, pin; 6, handle; 7, baffle plate.

The specific embodiment

Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As illustrated in fig. 1 and 2, this winch comprises a support 1 that is the U type, is equipped with rotating shaft 2 at the opening part of support 1, and rotating shaft 2 can be rotated with respect to support 1.One end of rotating shaft 2 passes support 1, and sheathed and be fixed with the ratchet 3 that can rotate with rotating shaft 2 in the part that passes, and be hinged with ratchet 4 in the outside of support 1, can only unidirectional rotation at the effect lower rotary shaft 2 of ratchet 3 and ratchet 4.

Can there be 2 to 5 with ratchet 3 ingear ratchets 41 on the ratchet 4, as shown in Figure 3, in the present embodiment be 3.Ratchet 41 quantity are too much, though ratchet 3 and ratchet 4 engagements are firmly, are difficult for its separation; Ratchet 41 negligible amounts though help separating between ratchet 3 and the ratchet 4, mesh insecure between the two.

Ratchet 4 is hinged on the support 1 by pin 5, and being arranged with on the pin 5 can be the torsion spring that ratchet 4 is drawn close to ratchet 3.Ratchet 3 is in rotation process, and ratchet on the ratchet 3 41 promotes ratchets 4, make ratchet 4 around pin 5 to rotating away from ratchet 3 directions; After bundling belt tightened up, ratchet 4 rotated to ratchet 3 directions under the effect of torsion spring, finally made ratchet 4 and ratchet 3 engagements.Rotating shaft 2 can only unidirectional rotation in rotation process.

The other end of rotating shaft 2 also passes support 1, is provided with rotational structure on the part that passes.Concrete, as shown in Figure 2, rotational structure is the jack 21 that is arranged in the rotating shaft 2, the outer end that rotating shaft 2 is positioned at jack 21 also is provided with handle 6.Generally speaking, only need turning handle 6 just bundling belt can be wound up in the rotating shaft 2; In the binding process, only can't be wound up in the rotating shaft 2 being bundled into by turning handle 6, also need in jack 21, to insert crow bar, pull crow bar to realize the rotation of rotating shaft 2.

Shown in Fig. 1 or 2 or 3, rotating shaft 2 is positioned at the baffle plate 7 that support 1 midway location place is provided with two symmetries, and baffle plate 7 is rounded, and concentric with rotating shaft 2.Bundling belt has been avoided the direct contact of bundling belt and support 1 between two baffle plates 7, prevented the wearing and tearing between bundling belt and the support 1.

Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used terms such as support 1, rotating shaft 2, jack 21, ratchet 3, ratchet 4, ratchet 41, pin 5, handle 6, baffle plate 7 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. winch, comprise the support (1) that is the U type, the opening part of described support (1) is provided with the rotating shaft (2) that can rotate, the two ends of described rotating shaft (2) pass support (1) respectively, the part that described rotating shaft (2) one ends pass support (1) is provided with rotational structure, described rotating shaft (2) other end passes on the part of support (1) sheathed and be fixed with the ratchet (3) that can rotate with rotating shaft (2), a side that has ratchet (3) at described support (1) is hinged with ratchet (4), it is characterized in that, have on the described ratchet (4) some can with ratchet (3) ingear ratchet (41).

2. winch according to claim 1 is characterized in that, described ratchet (41) is 2 to 5.

3. winch according to claim 2 is characterized in that, described ratchet (41) is 3.

4. according to claim 1 or 2 or 3 described winches, it is characterized in that described ratchet (4) is hinged on the support (1) by pin (5), described pin is arranged with torsion spring on (5), and described ratchet (4) is drawn close to ratchet (3) under the effect of torsion spring.

5. winch according to claim 1 is characterized in that, described rotational structure is that rotating shaft (2) passes the jack (21) that the part of support (1) is provided with.

6. winch according to claim 1 or 5 is characterized in that, described rotational structure is that rotating shaft (2) passes the handle (6) that the part of support (1) is provided with.

7. according to claim 1 or 2 or 3 or 5 described winches, it is characterized in that described rotating shaft (2) is positioned at the baffle plate (7) that support (1) midway location place is provided with two symmetries.