CN213411822U

CN213411822U - Chain tensioner

Info

Publication number: CN213411822U
Application number: CN202022280123.9U
Authority: CN
Inventors: 沈贤亮
Original assignee: Taizhou Shili Machinery Co ltd
Current assignee: Taizhou Shili Machinery Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-11
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a strainer technical field discloses chain strainer, including the support, the main shaft is connected with the ratchet on the main shaft, drive wheel, its characterized in that: the driving wheel is connected with the rocker arm, a pawl is arranged on the upper side of the support, an adjustable driving key is arranged between the driving wheel and the rocker arm, a chain wheel is arranged on a main shaft in the support, the chain is wound on the chain wheel, and a first hook body is arranged at one end of the chain. The chain is adopted, so that the use is simple, the working efficiency is high, and the tensioning effect is good.

Description

Chain tensioner

Technical Field

The utility model relates to a strainer technical field especially relates to chain strainer.

Background

At present, chinese patent literature discloses a novel chain tensioner, application number CN202010306137.5, the technical scheme main points of which are: the chain strainer comprises a chain strainer body, adjusting screw teeth are connected to the two ends of the chain strainer body in a threaded mode, anti-skidding lock catches are sleeved outside the adjusting screw teeth, lock teeth are arranged at the end portions of the anti-skidding lock catches, lock grooves matched with the lock teeth are formed in the end portions of the chain strainer body, guide blocks are arranged on the inner sides of the anti-skidding lock catches, and guide grooves matched with the guide blocks are formed in the outer portions of the adjusting screw teeth. Connect the chain with the one end of strainer, the other end bolt of strainer is on the stand, adjusts the strainer ratchet, and the ratchet handle through the pulling strainer comes to tighten up the chain, and the chain tightens up the back, imbeds the locked groove of strainer body with the locking tooth of anti-skidding hasp, accomplishes the fastening installation of tying up car traction chain to this, can not lead to the tightener not hard up because of the torsion that the chain traction in-process produced, can not tighten up completely, establishes the basis for whole car changes hub each item test safe and reliable and develops.

Therefore, the technical scheme is that the chain tensioner is poor in structure adjustment performance and inconvenient in actual work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a chain tensioner which is simple to use, high in working efficiency and good in tensioning effect, and is suitable for various industrial occasions, such as the fields of power transmission, power distribution and communication, for tensioning electric wires, signal wires or telegraph poles; in the agricultural and forestry fields, for tensioning supports or trees; in the fields of construction and transportation, for binding up goods, etc.; in the automobile production industry, the tension device is used for tension production.

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

chain strainer, including the support, the main shaft is connected with the ratchet on the main shaft, the drive wheel, its characterized in that: the driving wheel is connected with the rocker arm, a pawl is arranged on the upper side of the support, an adjustable driving key is arranged between the driving wheel and the rocker arm, a chain wheel is arranged on a main shaft in the support, the chain is wound on the chain wheel, and a first hook body is arranged at one end of the chain.

According to the technical scheme, the support preferably comprises a base body, an upper cover plate and a bottom plate, a chain wheel in the support is sleeved on the main shaft, a plurality of chain fastening teeth are uniformly distributed on the outer side of the chain wheel, and the chain is wound on the chain fastening teeth of the chain and penetrates out of the bottom plate.

According to the above aspect, preferably, the sprocket has a key groove on an upper surface thereof.

According to the technical scheme, the rocker arm preferably comprises clamping seats clamped on two sides of the driving wheel, the end, penetrating out of the clamping seats, of the main shaft is provided with a fixing lug, a rotating shaft in the clamping seats is connected with a driving key, the driving key is stirred to be emptied or meshed with the left side or the right side of the driving wheel, so that the rocker arm is connected with the driving wheel, and the chain can be retracted or freely adjusted by rotating the rocker arm.

According to the technical scheme, preferably, the other side of the bracket is provided with a second hook body.

According to the above-described aspect, preferably, a return spring is provided at the mounting position of the pawl.

Compared with the prior art, the utility model provides a chain strainer possesses following beneficial effect:

the utility model has simple use, high working efficiency and good tensioning effect, and is suitable for various industrial occasions, such as the field of power transmission, power distribution and communication, for tensioning electric wires, signal wires or telegraph poles; in the agricultural and forestry fields, for tensioning supports or trees; in the fields of construction and transportation, for binding up goods, etc.; in the automobile production industry, the tension device is used for tension production.

The utility model discloses change the stay cord of common strainer into the chain, make its work occasion more various.

The utility model discloses structural design is simple novel, has improved product quality and life.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

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

fig. 2 is a schematic view of a partial structure of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Reference is made to fig. 1-2.

Chain strainer, including support 1, main shaft 2, be connected with ratchet 3 on the main shaft 2, drive wheel 4, its characterized in that: the driving wheel 4 is connected with the rocker arm 5, a pawl 6 is arranged on the upper side of the support 1, an adjustable driving key 7 is arranged between the driving wheel 4 and the rocker arm 5, a chain wheel 8 is arranged on the spindle 2 in the support 1, a chain 9 is wound on the chain wheel 8, and a first hook body 10 is arranged at one end of the chain 9.

According to the above technical scheme, preferably, the support 1 comprises a base body 11, an upper cover plate 12 and a bottom plate 13, a chain wheel 8 in the support 1 is sleeved on the main shaft 2, a plurality of sprocket teeth 14 are uniformly distributed on the outer side of the chain wheel 8, and the chain 9 is wound on the sprocket teeth 14 of the chain and penetrates through the bottom plate 13.

According to the above-described aspect, the sprocket 8 is preferably provided with the key groove 15 on the upper surface thereof.

According to the technical scheme, preferably, the rocker arm 5 comprises clamping seats 16 clamped at two sides of the driving wheel 4, the end, penetrating out of the clamping seats 16, of the spindle 2 is provided with a fixing lug 17, a rotating shaft in the clamping seats 16 is connected with the driving key 7, the driving key 7 is stirred to be empty or meshed with the left side or the right side of the driving wheel 4, so that the rocker arm 5 is connected with the driving wheel 4, and the chain 9 is retracted or retreated or freely adjusted by rotating the rocker arm 5.

According to the above technical solution, preferably, the other side of the bracket 1 is provided with a second hook 18.

The utility model discloses a theory of operation is: the chain 9 is wound on the chain wheel 8, one end of the chain 9 is provided with a first hook body 10, and the chain 9 can be adjusted through the rotation of the chain wheel 8, so that the first hook body 10 moves; the driving key 7 is shifted to be emptied or meshed with the left side or the right side of the driving wheel 4, so that the rocker arm 5 is connected with the driving wheel 4, the chain 9 is retracted or retreated or freely adjusted by rotating the rocker arm 5, and when the driving key 7 is emptied with the driving wheel 4, the chain is directly pulled by hands to adjust; when the driving key 7 is engaged with one side of the driving wheel 4, the swinging of the rocker arm 5 drives the chain to move forward or backward, thereby generating the effect of tensioning the chain.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Chain strainer, including the support, the main shaft is connected with the ratchet on the main shaft, the drive wheel, its characterized in that: the driving wheel is connected with the rocker arm, a pawl is arranged on the upper side of the support, an adjustable driving key is arranged between the driving wheel and the rocker arm, a chain wheel is arranged on a main shaft in the support, the chain is wound on the chain wheel, and a first hook body is arranged at one end of the chain.

2. The chain tensioner as set forth in claim 1, wherein: the support comprises a base body, an upper cover plate and a bottom plate, a chain wheel in the support is sleeved on the main shaft, a plurality of sprocket fastening teeth are uniformly distributed on the outer side of the chain wheel, and the chain is wound on the sprocket fastening teeth of the chain and penetrates out of the bottom plate.

3. The chain tensioner as set forth in claim 2, wherein: the upper side of the chain wheel is provided with a key groove.

4. The chain tensioner as set forth in claim 3, wherein: the rocker arm comprises clamping seats clamped on two sides of the driving wheel, the end of the main shaft penetrating through the clamping seats is provided with a fixing lug, a rotating shaft in the clamping seats is connected with a driving key, the driving key is stirred to be emptied or meshed with the left side or the right side of the driving wheel, so that the rocker arm is connected with the driving wheel, and the chain can be retracted or freely adjusted by rotating the rocker arm.

5. The chain tensioner as set forth in claim 4, wherein: the other side of the bracket is provided with a second hook body.

6. The chain tensioner as set forth in claim 5, wherein: a reset spring is arranged at the mounting position of the pawl.