CN220505637U - Backstop with buffer function - Google Patents

Abstract

The utility model discloses a backstop with a buffering function, wherein a rotating shaft is rotationally fixed at the center of a fixed frame, a rotary table is fixed at the outer side of the rotating shaft and is positioned at the center of the fixed frame, and a connecting disc is fixed at the rear side of the fixed frame through a fixing frame. According to the utility model, the buffer spring is arranged, the device performs reversing limit on the turntable through the reversing mechanism, when the reversing mechanism is stressed, the connecting disc is driven to rotate through cooperation among the components, the connecting frame and the sliding block are driven to move up and down through the fixing column when the connecting disc rotates, the buffer spring elastically deforms to reduce torsion, so that collision and abrasion among parts are reduced, the purpose of buffering protection is achieved, the reversing clamping blocks are arranged on two sides of the reversing ring, the front side or the rear side of the inner wall of the reversing ring is close to the turntable when the limiting shaft stretches and stretches, and the arrangement can enable the rotation direction of the connecting disc to be adjusted, so that the reversing direction can be adjusted.

Description

Backstop with buffer function

Technical Field

The utility model relates to the technical field of a backstop, in particular to a backstop with a buffering function.

Background

Rubber belt conveying, roller conveying and the like are widely used as material conveying equipment in various industries, in the use process of the conveying belts, if the conveying belts have a certain inclination angle and are in load operation, once the situation that a power source disappears occurs, the conveying belts are inverted due to gravity, so that materials are accumulated at the tail parts of the conveying belts to influence normal operation, and a backstop is additionally arranged beside a conveying mechanism to prevent the conveying belts from being inverted at present;

the prior technical proposal has the following defects: the existing backstop is relatively simple in structure and free of buffer protection mechanisms, when the conveying roller reverses, the instant torque force of the conveying roller borne by the backstop mechanism is large, when the backstop is overloaded, the corners of the backstop are easy to wear, the backstop can deform after long-time use, the service life of the backstop is reduced, and a certain danger exists in the follow-up use of the backstop.

Disclosure of Invention

First, the technical problem to be solved

The present utility model is directed to a backstop with buffering function, so as to solve the above-mentioned problems in the prior art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a backstop with buffer function, includes fixed frame, the center department rotation of fixed frame is fixed with the pivot, the outside of pivot is fixed with the carousel, the carousel is located the center department of fixed frame, the rear side of fixed frame is fixed with the connection pad through the mount, the upper and lower edge of connection pad is fixed with the connecting rod, the one end of connecting rod extends to inside the fixed frame and is connected with backstop mechanism, the spout has been seted up to the back left and right sides of fixed frame, and the spout sliding fixation has the slider, the spout internal fixation of fixed frame has buffer spring, two sets of be fixed with the carriage between the slider, the carriage is located between connection pad and the fixed frame, the rear side of connection pad is fixed with the fixed column, the fixed column is inconsistent with the interior side sliding groove of carriage and is slided each other between.

Preferably, the backstop mechanism comprises a backstop ring, a reset spring, a gasket and a backstop clamping block, wherein a groove is formed in the surface of the backstop ring, the reset spring is fixed inside the groove of the backstop ring, the movable end of the reset spring is fixedly connected with the gasket, the backstop clamping block is fixed on the outer side of the gasket, one side of the backstop clamping block is set to be an inclined plane, and a slot matched with the backstop clamping block is formed in the surface of the turntable.

Preferably, three groups of non-return clamping blocks are oppositely arranged on the inner side of the non-return ring, the three groups of non-return clamping blocks are respectively positioned on the left side and the right side of the turntable, the fixing directions of the non-return clamping blocks on the two sides are opposite, and the directions of slots on the surfaces of the two sides of the turntable are opposite.

Preferably, an arc chute matched with the diameter of the connecting rod is formed in the rear side of the fixing frame.

Preferably, the connecting disc is rotationally fixed on the inner side of the fixing frame through a limiting shaft, and the limiting shaft is movably fixed on the center of the fixing frame and is limited and fixed through a positioning bolt.

Preferably, four groups of buffer springs are arranged, and the four groups of buffer springs are fixed above and below the sliding block in pairs and are in initial states.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the backstop with the buffering function is reasonable in structure and has the following advantages:

(1) Through being equipped with buffer spring, the device reverses the spacing through contrary stopping mechanism to the carousel, through cooperation drive connection pad rotation between each subassembly when contrary stopping mechanism atress, it reciprocates to drive connection frame and slider through the fixed column when the connection pad rotates, buffer spring takes place elastic deformation and cuts down torsion, thereby reduce the collision wearing and tearing between the part, thereby reach the purpose of buffering protection, through setting up contrary stopping fixture block in contrary stopping ring's both sides, can make contrary stopping ring's inner wall front side or rear side be close to the carousel when spacing axle stretches out and draws back, this setting can make the rotation direction of adjusting the connection pad, thereby can adjust contrary stopping direction;

(2) The connecting rod can have a certain swinging space through the arc-shaped chute, so that buffering is realized, the connecting disc can be buffered simultaneously through the four groups of buffer springs, the consumption of each group of buffer springs is reduced, and the service life of the buffer springs is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic rear view of a frame according to the present utility model;

fig. 4 is a schematic view of the surface structure of the turntable according to the present utility model.

Reference numerals in the drawings illustrate: 1. a fixed frame; 2. a rotating shaft; 3. a turntable; 4. a fixing frame; 5. a connecting disc; 6. a connecting rod; 7. a non-return mechanism; 71. a non-return ring; 72. a return spring; 73. a gasket; 74. a non-return clamping block; 8. a slide block; 9. a buffer spring; 10. a connection frame; 11. fixing the column; 12. a limiting shaft; 13. and positioning the bolt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the backstop with buffering function provided by the utility model comprises a fixed frame 1, a rotating shaft 2 is rotationally fixed at the center of the fixed frame 1, a rotary table 3 is fixed at the outer side of the rotating shaft 2, the rotary table 3 is positioned at the center of the fixed frame 1, a connecting disc 5 is fixed at the rear side of the fixed frame 1 through a fixing frame 4, connecting rods 6 are fixed at the upper edge and the lower edge of the connecting disc 5, one end of each connecting rod 6 extends to the inside of the fixed frame 1 and is connected with a backstop mechanism 7, sliding grooves are formed in the left side and the right side of the back of the fixed frame 1, sliding blocks 8 are slidably fixed in the sliding grooves, a buffer spring 9 is fixed in the sliding grooves of the fixed frame 1, a connecting frame 10 is fixed between the connecting disc 5 and the fixed frame 1, a fixed column 11 is fixed at the rear side of the connecting disc 5, the fixed column 11 is in contact with the inner sliding grooves of the connecting frame 10, and slides mutually, and by being provided with a buffer spring 9, the backstop mechanism 7 performs backstop limiting on the rotary table 3, when the backstop mechanism 7 is stressed, the connecting disc 5 is driven to rotate through cooperation between components, the connecting disc 5 is driven by the upper and lower connecting frames 10 and the connecting columns are driven by the buffer springs 10, and the elastic torsion is reduced, and the elastic deformation is reduced, and the deformation is achieved.

The backstop mechanism 7 comprises a backstop ring 71, a return spring 72, a gasket 73 and a backstop clamping block 74, wherein the surface of the backstop ring 71 is provided with a groove, the return spring 72 is fixed inside the groove of the backstop ring 71, the movable end of the return spring is fixedly connected with the gasket 73, the backstop clamping block 74 is fixed on the outer side of the gasket 73, one side of the backstop clamping block 74 is set to be an inclined plane, a slot matched with the backstop clamping block 74 is formed in the surface of the turntable 3, the inclined plane on the side surface of the backstop clamping block 74 is provided with a rotatable disc 3 to normally rotate, and when the rotatable disc 3 rotates reversely, the backstop clamping block 74 is adhered to the surface plane of the rotatable disc 3 to prevent the rotation of the turntable 3, so that the backstop function is realized.

Three sets of non-return clamping blocks 74 are oppositely arranged on the inner side of the non-return ring 71, the three sets of non-return clamping blocks 74 are respectively positioned on the left side and the right side of the turntable 3, the fixing directions of the non-return clamping blocks 74 on the two sides are opposite, the directions of slots on the two surfaces of the turntable 3 are opposite, and the non-return clamping blocks 74 are arranged on the two sides of the non-return ring 71, so that the rotation direction of the connecting disc 5 can be adjusted, and the non-return direction can be adjusted.

The rear side of the fixed frame 1 is provided with an arc chute matched with the diameter of the connecting rod 6, and the connecting rod 6 can have a certain swinging space by arranging the arc chute, thereby realizing buffering.

The connecting disc 5 is rotationally fixed on the inner side of the fixed frame 4 through the limiting shaft 12, the limiting shaft 12 is movably fixed on the center of the fixed frame 4 and is limited and fixed through the positioning bolt 13, the limiting shaft 12 is arranged, when the limiting shaft 12 stretches and contracts, the front side or the rear side of the inner wall of the non-return ring 71 can be close to the rotary disc 3, and through the arrangement, the steering adjustment of the rotary shaft 2 can be realized.

The buffer springs 9 are provided with four groups, the four groups of buffer springs 9 are fixed on the upper and lower sides of the sliding block 8 in pairs in an initial state, and the four groups of buffer springs 9 can buffer the connecting disc 5 at the same time, so that the consumption of the buffer springs 9 in each group is reduced, and the service life of the buffer springs 9 is prolonged.

Working principle: when the device is used, the rotating shaft 2 can be connected to the side face of the conveying roller, the conveying roller rotates to drive the rotating shaft 2 to rotate, the rotating disc 3 is driven to rotate when the rotating shaft 2 rotates, the rotating disc 3 and the check clamping blocks 74 slide relatively when rotating, when the rotating shaft 2 reverses, the surface slots of the rotating disc 3 are in contact with the plane ends of the check clamping blocks 74, the check clamping blocks 74 can drive the check ring 71 to rotate by a certain angle, the connecting disc 5 is driven to rotate by the connecting rod 6 when the check ring 71 rotates, the connecting frame 10 is driven to move up and down by the fixing column 11 when the connecting disc 5 rotates, the sliding block 8 is driven to slide up and down when the connecting frame 10 moves up and down, at the moment, the buffer spring 9 buffers and cuts the thrust of the sliding block 8, so that collision force between parts is reduced, and the purpose of buffering protection is achieved, the position of the check ring 71 is controlled by pushing and pulling the limiting shaft 12, and the check direction of the rotating shaft 2 is adjusted.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a backstop with buffer function, includes fixed frame (1), its characterized in that: the utility model discloses a fixed frame, including fixed frame (1), spout, buffer spring (9) are fixed in the outside of fixed frame (2), carousel (3) are located the center department of fixed frame (1), the rear side of fixed frame (1) is fixed with connection pad (5) through mount (4), the upper and lower edge department of connection pad (5) is fixed with connecting rod (6), the one end of connecting rod (6) extends to the inside of fixed frame (1) and is connected with contrary stopping mechanism (7), the spout has been seted up in the back left and right sides of fixed frame (1), and the spout sliding is fixed with slider (8), be fixed with buffer spring (9) in the spout of fixed frame (1), two sets of be fixed with connecting frame (10) between slider (8), connecting frame (10) are located between connection pad (5) and the fixed frame (1), the rear side of connection pad (5) is fixed with spliced pole (11), spliced pole (11) and the inside groove of connecting frame (10) are inconsistent and are mutually slided.

2. A backstop with buffering function according to claim 1, wherein: the non-return mechanism (7) comprises a non-return ring (71), a return spring (72), a gasket (73) and a non-return clamping block (74), wherein a groove is formed in the surface of the non-return ring (71), the return spring (72) is fixed inside the groove of the non-return ring (71) and the movable end of the return spring is fixedly connected with the gasket (73), the non-return clamping block (74) is fixed on the outer side of the gasket (73), one side of the non-return clamping block (74) is set to be an inclined surface, and a slot matched with the non-return clamping block (74) is formed in the surface of the rotary disc (3).

3. A backstop with buffering function according to claim 2, wherein: three groups of non-return clamping blocks (74) are oppositely arranged on the inner side of the non-return ring (71), the three groups of non-return clamping blocks (74) are respectively positioned on the left side and the right side of the rotary table (3), the fixing directions of the non-return clamping blocks (74) on the two sides are opposite, and the directions of slots on the surfaces on the two sides of the rotary table (3) are opposite.

4. A backstop with buffering function according to claim 1, wherein: an arc chute matched with the diameter of the connecting rod (6) is formed in the rear side of the fixed frame (1).

5. A backstop with buffering function according to claim 1, wherein: the connecting disc (5) is rotationally fixed on the inner side of the fixing frame (4) through a limiting shaft (12), and the limiting shaft (12) is movably fixed on the center of the fixing frame (4) and is limited and fixed through a positioning bolt (13).

6. A backstop with buffering function according to claim 1, wherein: the buffer springs (9) are provided with four groups, and the four groups of buffer springs (9) are oppositely fixed on the upper side and the lower side of the sliding block (8) in pairs and are in initial states.