CN202228902U - Safety protection device for chain wheel - Google Patents

Abstract

The utility model relates to a safety protection device for a chain wheel, which comprises a front cover, a rear cover and a shaft cover, wherein the front cover and the rear cover are arranged oppositely and are connected with each other so as to form a space for containing and shielding a chain wheel, the middle part of the rear cover is provided with a shaft hole for a chain wheel shaft to pass, the shaft hole corresponds to the chain wheel shaft, a top part of the front cover is closed after the front cover is connected with the rear cover, two sides and lower edges of the front cover form an open gap for joining of a transmission chain and the chain wheel, one part of the front cover, corresponding to the shaft hole of the rear cover, is inwards concaved, and the concaved part is provided with the shaft cover. The front cover, the rear cover and the shaft cover form the complete space for protecting the chain wheel shaft and a driven wheel chain wheel rotating on the chain wheel shaft, and the chain wheel is limited between a shaft shoulder and an end part provided with an axial screw hole to rotate. The safety protection device is ingenious in design, simple in structure, safe and reliable, and suitable for safety protection for a related assembly line driving wheel as well as improvement and enhancement of similar products.

Description

The sprocket wheel safety protection device

Technical field

The utility model relates to a kind of object or material conveying mechanism, relates in particular to a kind of family that is used for and spins the chain lifting gear sprocket wheel safety protection device with the intelligent production hangar system of clothes.

Background technique

At present; Being used for of market sale produces house and spins the automation production flow line equipment with dressgoods; Generally have a lot of machining position; Each machining position generally all can use the chain lifting gear that the clothes of accomplishing processing are risen on the production line, and this chain lifting gear generally includes the driving wheel on top and the driven wheel of bottom, and driving wheel and driven wheel are through chain transmission.On the present automatic assembly line; The driven wheel and the chain engages place that are in the bottom are in naked state fully; When chain-wheel mechanism is worked; Clothes after processor's hand, the employed material of processing and the processing all fall into rotation place between chain and the driven wheel and are involved in than being easier to, and cause personal injury, property loss and equipment failure, have comparatively serious potential safety hazard.

Summary of the invention

For overcoming above-mentioned deficiency, the utility model purpose is to related domain a kind of sprocket wheel safety protection device to be provided, make its can solve existing family spin with garment production suspension system in when adopting the chain lifting gear down by the issuable security hidden trouble in movable sprocket place.

The utility model provides a kind of sprocket wheel safety protection device, comprises protecgulum, bonnet and shaft-cup, and said protecgulum is oppositely arranged with bonnet and is connected; The space of blocking sprocket wheel is held in formation; The bonnet intermediate portion offers the axis hole appearance sprocket shaft corresponding with sprocket shaft to be passed through, and protecgulum is connected the back top seal with bonnet, and both sides and lower edge form the open gap that the transmission chain and sprocket is connected; Said protecgulum and the corresponding position of bonnet axis hole are inwardly recessed, and said recess is equipped with shaft-cup.Protecgulum and bonnet and shaft-cup have formed a said driven wheel of parcel and the space of the chain that meshes together with driven wheel, have significantly reduced exterior object and fall into the possibility between driven wheel and the chain.

In technique scheme; Said sprocket shaft places the end at shaft-cup place to offer axial screw; Said protecgulum recess and the axial corresponding fixed hole that offers of screw, sprocket shaft inwardly is provided with the shaft shoulder, screw radially successively from a said end that offers axial screw, and sprocket wheel is limited between the internal surface of the shaft shoulder and protecgulum center recess; Rotatablely be installed on the end that the sprocket shaft end offers axial screw, sprocket shaft is fixed on the section bar of device framework through screw radially.Said bonnet is provided with the corresponding hole of device framework section bar and realizes that the two fixes.The recess periphery of said protecgulum offers the button bit groove, and said shaft-cup edge is provided with the button bit hook, and shaft-cup is through the button bit groove button jail of button bit hook and protecgulum recess.Such connection makes device framework, bonnet, protecgulum and shaft-cup form a protection sprocket shaft and the holonmic space of the driven wheel sprocket wheel that rotates above that, and each member of whole protecting device can dismantle easily, is convenient to clean, safeguards and maintenance.

In technique scheme; The front projection shape of said protecgulum and bonnet is identical; Top is flat side, and the bottom outer side is a circular arc, and the center of circle of said circular arc is the sprocket shaft corresponding position; The dual-side of said protecgulum and bonnet is inverted parabola shaped or fall " eight " font, and is said parabola shaped or fall the circular arc smooth connection of " eight " font and bottom outer side.Said protecgulum upper flat straight flange downside is provided with screw, and the corresponding screw of bonnet place is provided with the glue post.

The end that said sprocket shaft has axial screw is inserted in the space of protective gear formation, and said bonnet is set on axle non-contiguously and goes up and be fixed on the device framework section bar; Said driven wheel sprocket wheel and protecgulum are installed in the sprocket shaft end successively, a side of the spacing sprocket wheel of the said shaft shoulder, and protecgulum is fixed on the outer end of axle, the opposite side of the spacing sprocket wheel of inner side surface of protecgulum like this with screw through fixed hole and axial screw.

In technique scheme, said shaft-cup is circular, and is provided with the button bit hook, and it is through the button bit groove button jail of button bit hook and protecgulum.

Technique effect

1, prevents that staff or material, clothes from falling between chain and the sprocket wheel, solved potential safety hazard.

2, this sprocket wheel safety protection device design is ingenious, and technology, simple in structure, reliable is convenient to dismounting, cleaning and easy to maintenance.

Description of drawings

Fig. 1 is the overall structure schematic representation of the utility model;

Fig. 2 is the shaft-cup structural drawing of the utility model;

Fig. 3 is the sectional view of the protecgulum recess of the utility model;

Fig. 4 is the bonnet profile schematic representation of the utility model;

Fig. 5 is the axle construction figure of the utility model.

Mark among the figure:

1, shaft-cup, 1-1, button bit hook;

2, protecgulum, 2-3, fixed hole, 2-4, button bit groove;

3, sprocket wheel;

4, sprocket shaft, 4-1, axial screw, 4-2, screw radially, 4-3, the shaft shoulder;

5, bonnet, 5-1, axis hole, 5-2, fixed hole, 5-3, glue post;

6, device framework.

Embodiment

Understand and enforcement the utility model for the ease of those of ordinary skills, the utility model is done further to describe in detail below in conjunction with accompanying drawing and embodiment.

As shown in Figure 1; The sprocket wheel safety protection device comprises shaft-cup 1, protecgulum 2, bonnet 5, and protecgulum 2 is symmetrical set with bonnet 5, and its profile is corresponding coincide; Being the circular arc and the inverted parabolic of bottom side or " eight " font smooth connection of falling forms; Have sprocket shaft 4, sprocket wheel 3 to be rotatably mounted on the sprocket shaft 4 in the device framework 6, have axis hole on the bonnet of the circle centre position of said circular arc, this axis hole is concentric with sprocket shaft 4.

Concrete like Fig. 3 and shown in Figure 4; The top of protecgulum 2 and bonnet 5 is straight flange; The bottom is an arc section, dual side-edge be down " eight " font and with the circular arc smooth connection, the top of protecgulum 2 is provided with the double-screw bolt that fixes with bonnet 5; The circle centre position of bottom arc section is recessed to the inside, is provided with fixed hole 2-3 and button bit groove 2-4.Bonnet 5 tops are provided with and the corresponding glue post of the double-screw bolt of protecgulum 2 5-3, and the fixed hole 5-2 that is connected with device framework 6, circular arc circle centre position are designed with the axis hole 5-1 that is used to pass sprocket shaft 4.

Wherein, The radius of the circular arc shaped portion of protecgulum 2 and bonnet 5 is greater than the radius of sprocket wheel 3; Make sprocket wheel 3 to be wrapped up by protecgulum 2 and bonnet 5 fully; It is closed shape that protecgulum 2 cooperates superior posterior with bonnet 5, has stoped human body and processing object to be sandwiched between sprocket wheel 3 and the chain, has prevented the generation of contingency.

Like Fig. 4 and shown in Figure 5; One end of sprocket shaft 4 is provided with 1 axial screw 4-1; Be disposed with spacing shaft shoulder 4-3 and screw 4-2 radially to the other end, an end that is provided with axial screw 4-1 matches with protecgulum, and the other end of axle is fixed on the device framework 6 with screw 4-2 radially through screw; Bonnet 5 is set on the sprocket shaft 4 through axis hole 5-1 non-contiguously, and fixing with screw and device framework 6 through other several fixed holes 5-2 of axis hole 5-1 excircle; One side of sprocket wheel 3 is spacing through spacing shaft shoulder 4-3; Screw passes the fixed hole 2-3 of protecgulum 2 and the axial screw 4-1 of sprocket shaft 4 fixes, and protecgulum 2 is fixed on the right part of sprocket shaft 4, and the inner side surface of protecgulum 2 plays position-limiting action to the opposite side of sprocket wheel 3 simultaneously.The glue post 5-3 of fixed bolt on the protecgulum 2 and bonnet 5 is in the same place through screw.

Like Fig. 1, Fig. 2, shown in Figure 3, shaft-cup 1 is circular, and is designed with button bit hook 1-1, and it covers the end of sprocket shaft 4 through the button bit groove 2-4 button jail of button bit hook 1-1 and protecgulum 2.

Above embodiment is merely a kind of mode of execution of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Its concrete structure and size can be adjusted according to actual needs accordingly.Should be noted that; For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model design, can also make some distortion and improve design; Means of fixation like axle and device framework can change as required; When the user need not use down driven wheel, can keep a radial hole on the sprocket shaft, then sprocket shaft, front and rear covers etc. are rotated to make by movable sprocket and chain together and throw off; Sprocket wheel can determine to be provided with bearing etc. as required with being connected also of sprocket shaft, and these all belong to the protection domain of the utility model.

Claims (5)

1. a sprocket wheel safety protection device comprises protecgulum, bonnet and shaft-cup, and said protecgulum is oppositely arranged with bonnet and is connected; The space of blocking sprocket wheel is held in formation; It is characterized in that: the bonnet intermediate portion offers the axis hole appearance sprocket shaft corresponding with sprocket shaft to be passed through, and protecgulum is connected the back top seal with bonnet, and both sides and lower edge form the open gap that the transmission chain and sprocket is connected; Said protecgulum and the corresponding position of bonnet axis hole are inwardly recessed, and said recess is equipped with shaft-cup.

2. sprocket wheel safety protection device according to claim 1; It is characterized in that: said sprocket shaft places the end at shaft-cup place to offer axial screw; Said protecgulum recess and the axial corresponding fixed hole that offers of screw; Sprocket shaft inwardly is provided with the shaft shoulder, screw radially successively from a said end that offers axial screw, and sprocket wheel is limited between the internal surface of the shaft shoulder and protecgulum center recess, and sprocket shaft is fixed on the device framework through screw radially.

3. sprocket wheel safety protection device according to claim 1 and 2; It is characterized in that: the recess periphery of said protecgulum offers the button bit groove; Said shaft-cup edge is provided with the button bit hook, and shaft-cup is through the button bit groove button jail of button bit hook and protecgulum recess, and said bonnet is fixed on the device framework.

4. sprocket wheel safety protection device according to claim 1 and 2; It is characterized in that: the front projection shape of said protecgulum and bonnet is identical; Top is flat side, and the bottom outer side is a circular arc, and the center of circle of said circular arc is the sprocket shaft corresponding position; The dual-side of said protecgulum and bonnet is inverted parabola shaped or fall " eight " font, and is said parabola shaped or fall the circular arc smooth connection of " eight " font and bottom outer side.

5. sprocket wheel safety protection device according to claim 4 is characterized in that: said protecgulum upper flat straight flange downside is provided with screw, and the corresponding screw of bonnet place is provided with the glue post.

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