M-shaped rubber fender

Abstract

The utility model provides an M-shaped rubber fender, which belongs to the technical field of ship berthing protection, and comprises a fender frame, a rubber fender, an insertion block, a clamping seat, a clamping tooth, an expansion bolt and a screw cap, the rubber fender is arranged on the front side of the fender frame, the rubber fender is composed of two groups of D-shaped rubber and is integrally M-shaped, and the rubber fender is not prone to falling off when being impacted. The two sets of D-shaped rubber are sunken inwards, impact force can be dispersed to the upper end and the lower end, stress concentration is avoided, stress distribution of the contact face is more uniform, residual impact force is reduced, an insertion block in the middle of the inner side of the rubber fender abuts against the outside of clamping teeth in a clamping base to support the rubber fender, and during collision, the insertion block in the middle of the two sets of D-shaped rubber moves towards the interior of a buffering cavity, so that the rubber fender is prevented from being damaged. The rubber fender is inserted into the buffer cavity, so that a joint of a bent part of the rubber fender can be movably buffered, fatigue cracks are prevented from being quickly generated after long-term use, and the service life of the rubber fender is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship berthing protection technical field, especially a kind of M type rubber fender. BACKGROUND

[0002] Rubber fender is a kind of anti-collision equipment universally used in today's world port, installed on wharf or ship, to absorb the collision energy between ship and wharf or ship when berthing or mooring, protect ship, wharf from damage structure, M type rubber fender is a kind of rubber fender;

[0003] The geometry of M type fender is prone to stress concentration, especially at the joint or bending part, local area (such as M type groove) is prone to aggravate abrasion due to repeated friction, fatigue cracks are prone to occur after long-term use, shorten service life;

[0004] In addition, the energy absorption efficiency of M type structure may not be as good as other more complex structures, the stress distribution of contact surface is uneven, leading to insufficient energy absorption when bearing large impact, and large residual impact force;

[0005] Therefore, the present application provides a new M type rubber fender to meet the needs. SUMMARY

[0006] The utility model discloses a kind of M type rubber fenders to solve the problems in the above background art.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A kind of M type rubber fender, including: fender frame, rubber fender, plug, card seat, pawl, expansion bolt and nut, the front of the fender frame is equipped with rubber fender, the surface of the rubber fender is equipped with several groups of energy-absorbing holes, the inside middle of the rubber fender is provided with buffer cavity, the inside rear end of the rubber fender is provided with mounting hole, the inside of the rubber fender is integrally formed with plug, the front end of plug is provided with splicing part, the inside rear end of the rubber fender is equipped with card seat, the inside of the card seat is integrally formed with pawl, the rubber fender is installed in mounting hole and is equipped with expansion bolt, the outer end of the expansion bolt is equipped with nut.

[0009] Preferably, the rubber fender is composed of two groups of "D" shaped rubber, and the two groups of "D" shaped rubber are interconnected.

[0010] Preferably, the plug is located at the middle of the connecting seam of the two groups of "D" shaped rubber of the rubber fender, and the plug extends transversely inward into the buffer cavity.

[0011] Preferably, the insertion part of the insertion block is provided with trapezoidal sawteeth on both sides, and the insertion part of the insertion block extends into the card seat.

[0012] Preferably, the card seat is trapezoidal in overall shape, and the card seat is horizontally distributed along the buffer cavity of the rubber fender.

[0013] Preferably, the inner side of the card seat is provided with a trapezoidal groove with a gradually narrowing opening, and there is a gap between the rear end of the inner side of the trapezoidal groove of the card seat and the insertion part of the trapezoidal sawteeth of the insertion block.

[0014] Preferably, a plurality of groups of clamping teeth are integrally formed in the inner groove of the card seat, the plurality of groups of clamping teeth are mirror-symmetrically arranged at the upper and lower ends of the groove, and the plurality of groups of clamping teeth are arranged in a stepped manner with gradually increasing heights.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, the rubber fender is composed of two groups of "D" shaped rubber and has an overall M shape, and the two groups of "D" shaped rubber are connected to each other, so that when impacted, the two groups of "D" shaped rubber are inwardly recessed, the impact force can be dispersed to the upper and lower ends, stress concentration is avoided, the stress distribution of the contact surface is more uniform, and when a large impact is borne, the energy absorption is sufficient and the residual impact force is reduced.

[0017] In the above scheme, the insertion block at the middle of the inner side of the rubber fender is supported by the clamping teeth in the card seat, when impacted, the insertion block at the middle of the two groups of "D" shaped rubber moves into the buffer cavity and is inserted into the buffer cavity, so that the joint of the curved part of the rubber fender can move and buffer, fatigue cracks are not quickly generated after long-term use, and the service life of the rubber fender is effectively improved.

[0018] In the above scheme, the insertion block at the middle of the two groups of "D" shaped rubber is inwardly inserted into the card seat after being impacted, the insertion part of the trapezoidal sawteeth at the front end of the insertion block is supported by the clamping teeth in the card seat and is inwardly inserted after being impacted, the impact force of the insertion block can be buffered by the clamping teeth, the plurality of groups of clamping teeth are arranged in a stepped manner with gradually increasing heights, the friction between the insertion block and the clamping teeth becomes larger and larger, the movement of the insertion block inwardly becomes more and more difficult, and thus the strength of the buffer is automatically adapted to the size of the impact force. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings incorporated herein and forming part of the specification illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and to enable one skilled in the relevant art to practice and use the present disclosure.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 The rubber fender is specifically structural schematic view of the utility model;

[0022] Figure 3 The utility model discloses sectional structure schematic view;

[0023] Figure 4 The utility model discloses Figure 2 A enlarged structure schematic view.

[0024] [Reference signs]

[0025] 1 - fender frame, 2 - rubber fender, 3 - insert block, 4 - clamping seat, 5 - clamping tooth, 6 - expansion bolt, 7 - nut, 201 - energy absorption hole, 202 - buffer cavity, 203 - mounting hole, 301 - insert part.

[0026] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the ordinary skilled in the art can adjust or modify these devices and environment according to specific needs, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] As Figure 1 , Figure 2 , Figure 3 And Figure 4The utility model provides an M type rubber fender, the embodiment of the utility model provides, include: fender frame 1, rubber fender 2, insert block 3, card seat 4, card tooth 5, expansion bolt 6 and nut 7, the front surface of fender frame 1 is equipped with rubber fender 2, the surface of rubber fender 2 is equipped with several groups of energy absorption hole 201, the inside middle part of rubber fender 2 is provided with buffer cavity 202, the inside rear end of rubber fender 2 is provided with mounting hole 203, the inside integration of rubber fender 2 is formed with insert block 3, the front end of insert block 3 is provided with splicing portion 301, the inside rear end of rubber fender 2 is equipped with card seat 4, the inside integration of card seat 4 is formed with card tooth 5, rubber fender 2 is installed in mounting hole 203 and is equipped with expansion bolt 6, and the outer end of expansion bolt 6 is equipped with nut 7.

[0030] In the embodiment, the rubber fender 2 is composed of two groups of "D" shaped rubber and has an overall M shape, and the two groups of "D" shaped rubber are in communication with each other, so that when impacted, the two groups of "D" shaped rubber are inwardly recessed, the impact force can be dispersed to the upper and lower ends, stress concentration is avoided, the stress distribution of the contact surface is more uniform, and thus when a large impact is borne, the energy absorption is sufficient and the residual impact force is reduced.

[0031] In the embodiment, the insert block 3 is located at the middle of the connecting seam of the two groups of "D" shaped rubber of the rubber fender 2, and the insert block 3 extends inwardly and transversely into the buffer cavity 202, when impacted, the insert block 3 in the middle of the two groups of "D" shaped rubber moves into the buffer cavity 202 and is inserted into the buffer cavity 202, so that the seam of the curved part of the rubber fender 2 can be moved and buffered, fatigue cracks are avoided from being quickly generated during long-term use, and the service life of the rubber fender 2 is effectively improved.

[0032] In the embodiment, the splicing portion 301 of the insert block 3 is provided with trapezoidal sawteeth on both sides, the splicing portion 301 of the insert block 3 extends into the card seat 4, the splicing portion 301 of the trapezoidal sawteeth at the front end of the insert block 3 abuts against the outside of the card tooth 5 in the card seat 4, and after being impacted, the insert block 3 is inserted inwardly, and the impact force of the insert block 3 can be buffered by the card tooth 5.

[0033] In the embodiment, the card seat 4 has an overall trapezoidal strip shape, and the card seat 4 is distributed transversely and horizontally along the buffer cavity 202 of the rubber fender 2.

[0034] In the embodiment, the inside of the card seat 4 is provided with a trapezoidal groove with a gradually reduced opening, and there is a spacing between the splicing portion 301 of the insert block 3 and the rear end inside of the trapezoidal groove of the card seat 4, so that a buffering space is provided for the insert block 3.

[0035] In the embodiment, a plurality of groups of clamping teeth 5 are integrally formed in the inner recess of the card seat 4, the plurality of groups of clamping teeth 5 are mirror-symmetrically arranged at upper and lower ends of the recess respectively, and the plurality of groups of clamping teeth 5 are arranged in a stepped manner with gradually increasing height, so that the friction between the plurality of groups of clamping teeth 5 arranged in a stepped manner and the plug 3 is gradually increased, and the plug 3 is more and more difficult to move inward, thereby automatically adapting the strength of the buffer according to the size of the impact force.

[0036] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0037] The above is only the preferred embodiment of the utility model, and it should be pointed out that for the ordinary skilled person in the art, without departing from the principle of the utility model, a plurality of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the utility model.

Claims

1. An M-type rubber fender, characterized by, Include: The fender frame (1), rubber fender (2), plug (3), card seat (4), card teeth (5), expansion bolt (6) and nut (7), the front of the fender frame (1) is installed with rubber fender (2), the surface of the rubber fender (2) is provided with a plurality of groups of energy absorption holes (201), the inner side of the rubber fender (2) is provided with a buffer cavity (202) in the middle, the inner side of the rubber fender (2) is provided with a mounting hole (203) at the rear end, the rubber fender (2) is integrated with the plug (3) on the inner side, the front end of the plug (3) is provided with a plug-in part (301), the rubber fender (2) is installed with the card seat (4) at the inner rear end, the inner side of the card seat (4) is integrated with the card teeth (5), the rubber fender (2) is installed with the expansion bolt (6) in the mounting hole (203), the outer end of the expansion bolt (6) is installed with the nut (7).

2. The M-type rubber fender according to claim 1, characterized in that: The rubber fender (2) is composed of two groups of "D" shaped rubber, which is M-shaped as a whole, and the two groups of "D" shaped rubber are connected with each other.

3. The M-type rubber fender according to claim 1, characterized in that: The plug (3) is located at the middle of the connecting seam of the two groups of "D" shaped rubber of the rubber fender (2), and the plug (3) extends transversely inward into the buffer cavity (202).

4. The M-type rubber fender according to claim 1, characterized in that: The plug-in part (301) of the plug (3) is provided with trapezoidal sawtooth on both sides, and the plug-in part (301) of the plug (3) extends into the card seat (4).

5. The M-type rubber fender according to claim 1, characterized in that: The card seat (4) is trapezoidal long strip as a whole, and the card seat (4) is distributed transversely and horizontally along the buffer cavity (202) of the rubber fender (2).

6. The M-type rubber fender of claim 1, wherein: The inner side of the card seat (4) is provided with a trapezoidal groove with gradually narrowing opening, and the plug-in part (301) of the plug (3) and the inner rear end of the groove of the card seat (4) have a gap.

7. The M-type rubber fender of claim 1, wherein: The inner side of the card seat (4) is integrated with a plurality of groups of card teeth (5), a plurality of groups of card teeth (5) are mirror symmetrically located at the upper and lower ends of the groove, and a plurality of groups of card teeth (5) are arranged in a stepped manner, and the height gradually increases.

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