CN219262503U - Connecting lug for clamp or clamping band of commercial vehicle - Google Patents

Abstract

The utility model discloses a connecting lug for a clamp or a clamping band of a commercial vehicle, which comprises a connecting plate which is horizontally arranged and a bolt hole plate which is vertically arranged, wherein a plurality of convex hulls are arranged at the bottom of the connecting plate, bolt holes are formed in the bolt hole plate, two symmetrically arranged irregular plates are arranged between the connecting plate and the bolt hole plate, each irregular plate comprises a supporting plate, a turning plate is arranged at the outer side of each supporting plate, and a groove is formed in the middle of each turning plate. The connecting lug is used for a clamp or a clamping band of a commercial vehicle, the connecting lug adopts the convex hull, so that the welding part is few, the welding mode is convex spot welding, the welding time is short, the process is simpler, the manufacturing time is saved, the efficiency is improved, the flange is adopted, the flange has certain elasticity, and a certain reaction force can be provided for achieving the anti-loosening purpose when tightening.

Description

Connecting lug for clamp or clamping band of commercial vehicle

Technical Field

The utility model relates to a connecting lug for a clamp or a clamping band of a commercial vehicle, which is suitable for connecting a DOC (catalytic converter) -DPF (particle catcher) -SCR (selective catalytic reduction converter) of an automobile aftertreatment system.

Background

The clamp is a connecting device for connecting pipe fittings, valves and pipeline fittings with grooves. The existing clamp connection mode is to add a circle of flat steel belts on the back of the groove to enable the groove to be uniformly distributed on the inner side of the steel belts, and the T-shaped bushings and the T-shaped bolts are fixed inside by reversely winding the two sides of the steel belts. This connection requires an extra waste of one turn of steel strip, and the tightening torque also needs to be increased simultaneously due to the increase of the thickness of the steel strip, reducing the reliability of the bolts. The present clamp is the structure of two bands, and an inside band, an outside band, and inside band is three lamella, all welds and uses on the bandage of outside, and the welding number of times is 5 minimum departments, all is spot welding, and whole welding time is long, and raw and other materials loss is huge, and the technology is complicated, and is with high costs.

The main function of the clamping belt is to fix the post-treatment device on the bracket, and the post-treatment device needs to be disassembled and maintained after a certain kilometer of running, so the post-treatment device is connected by the clamping belt. The existing clamping belt is connected in a similar way to the clamping hoop through reverse rotation of the steel belt and using T-shaped bolts and nuts. And the anti-loosening of the clamp or the clamping belt is mainly realized by virtue of the anti-loosening nut and high torque, so that the safety margin of the bolt is greatly reduced due to overhigh installation torque, and the structure of the internal carrier of the aftertreatment is also easily damaged, so that the normal operation of the aftertreatment is influenced.

Disclosure of Invention

The utility model aims to overcome the defects and provide a connecting lug for a clamp or a clamping band of a commercial vehicle.

The aim of the utility model is achieved by the following technical scheme:

a engaging lug for commercial car clamp or clamping strap, including the connecting plate and the vertical bolt orifice plate that set up of level, a plurality of convex hulls are established to the bottom of connecting plate, open on the bolt orifice plate has the bolt hole, is equipped with the sketch plate that two symmetries set up between connecting plate and the bolt orifice plate, and the sketch plate includes the backup pad, and the outside of backup pad is equipped with turns over the board, and the middle part of turning over the board is equipped with the recess.

The utility model further improves that: the connecting lug is used for a commercial vehicle clamp, the clamp comprises an open steel belt, the inner ring of the steel belt is a clamping groove, the section of the clamping groove is concave, two opposite L-shaped connecting lugs are arranged at the opening of the steel belt, namely, the connecting lugs are welded on the steel belt through convex hulls, the two connecting lugs are connected through fasteners, namely, bolts penetrate through the connecting lugs, one end of each bolt is sleeved with a gasket and a sleeve, and the bolts are locked through nuts.

The utility model further improves that: the connecting lug is used for clamping the belt, the clamping belt comprises a split type binding belt, the binding belt is divided into a first binding belt and a second binding belt, the connecting ends of the first binding belt and the second binding belt are respectively provided with an L-shaped connecting lug which is arranged oppositely, namely the connecting lug is welded on the first binding belt and the second binding belt through a convex hull, the two connecting lugs are connected through a fastener, namely a bolt is penetrated in the connecting lug, and one end of the bolt is sleeved with a sleeve and locked through a nut.

Compared with the prior art, the utility model has the following advantages:

the connecting lugs adopt convex hulls, so that the welding positions are few, the welding modes are convex spot welding, the welding time is short, the process is simpler, the manufacturing time is saved, and the efficiency is improved.

The connecting lug adopts flanging, has certain elasticity, and can provide certain reaction force to achieve the purpose of looseness prevention during tightening.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the attachment ear;

FIG. 3 is a schematic structural view of the clip;

FIG. 4 is an exploded view of the clip;

FIG. 5 is a structural view of a cartridge;

FIG. 6 is an exploded view of the cartridge;

reference numerals in the drawings: 1-steel belt, 2-draw-in groove, 3-engaging lug, 3-1-connecting plate, 3-2-bolt orifice plate, 3-3-convex hull, 3-4-bolt hole, 3-5-abnormal plate, 3-5-1-backup pad, 3-5-2-turn over board, 3-5-3-recess, 4-bolt, 5-gasket, 6-sleeve, 7-nut, 8-first bandage, 9-second bandage.

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 in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Elements and features described in one embodiment of the utility model may be combined with elements and features shown in one or more other embodiments. It should be noted that the illustration and description of components and processes known to those of ordinary skill in the art, which are not relevant to the present utility model, have been omitted for clarity. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.

The utility model is further described below with reference to the accompanying drawings: the utility model provides a engaging lug for commercial car clamp or clamping strap, includes connecting plate 3-1 and the vertical bolt orifice plate 3-2 that sets up of level, and a plurality of convex hulls 3-3 that have are established to the bottom of connecting plate 3-1, and engaging lug 3 passes through convex hulls 3-3 to be welded on steel band 1, adopts the engaging lug that has the convex hulls for the welding place is few, and the welding mode is the projection spot welding, and welding time is few, and the technology is simpler, has practiced thrift manufacturing time, has improved efficiency. The bolt hole plate 3-2 is provided with the bolt holes 3-4, the head size of the bolt is matched with that of the M8 or M10, the installation torque is reduced, the structure of the groove is not easy to damage, the replacement is convenient, and the anti-rotation purpose can be achieved. Two symmetrically arranged deformed plates 3-5 are arranged between the connecting plate 3-1 and the bolt hole plate 3-2, the deformed plates 3-5 comprise supporting plates 3-5-1, turning plates 3-5-2 are arranged on the outer sides of the supporting plates 3-5-1, and grooves 3-5-3 are formed in the middle of the turning plates 3-5-2. The middle part is provided with the groove 3-5-3, so the turning plate 3-5-2 has certain elasticity, and can provide certain reaction force to achieve the aim of looseness prevention during tightening.

A clamp or clamping band for commercial vehicle is composed of clamp body, connecting lugs and fastener, and features simple structure and light weight. The clamp structure comprises an open steel belt 1, the inner ring of the steel belt 1 is a clamping groove 2, the section of the clamping groove 2 is concave, two opposite L-shaped connecting lugs 3 are arranged at the opening of the steel belt 1, namely, the connecting lugs 3 are welded on the steel belt 1 through convex hulls 3-3, the two connecting lugs 3 are connected through fasteners, namely, bolts 4 penetrate through the two connecting lugs 3, one end of each bolt 4 is sleeved with a gasket 5 and a sleeve 6, and the bolts are locked through nuts 7. Compared with the existing clamp, the clamp saves an internal clamp band, saves cost, adopts a single clamp structure, is convenient for axial force conversion, and has good sealing effect.

The clamping band comprises a split type binding band, the binding band is divided into a first binding band 8 and a second binding band 9, the first binding band 8 and the second binding band 9 can be long and short or are as long, the connecting ends of the first binding band 8 and the second binding band 9 are respectively provided with L-shaped connecting lugs 3 which are oppositely arranged, namely, the connecting lugs 3 are welded on the first binding band 8 and the second binding band 9 through convex hulls 3-3, the two connecting lugs 3 are connected through fasteners, namely, bolts 4 are penetrated into the two connecting lugs 3, one ends of the bolts 4 are sleeved with sleeves 6, and the two connecting lugs are locked through nuts 7. Compared with the prior clamping belt, the clamping belt has the advantages of simple structure, simple process, less material consumption and manufacturing cost saving.

Finally, it should be noted that: although the present utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims. Furthermore, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, means, method and steps described in the specification. Those of ordinary skill in the art will readily appreciate from the disclosure of the present utility model, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present utility model. Accordingly, the appended claims are intended to include within their scope such processes, apparatuses, means, methods, or steps.

Claims (3)

1. A engaging lug for commercial car clamp or clamping band, its characterized in that: including connecting plate (3-1) and the vertical bolt orifice (3-2) that set up of level, a plurality of convex hulls (3-3) that have are established to the bottom of connecting plate (3-1), open on bolt orifice (3-2) has bolt hole (3-4), is equipped with two sketch plates (3-5) that symmetry set up between connecting plate (3-1) and bolt orifice (3-2), sketch plate (3-5) include backup pad (3-5-1), and the outside of backup pad (3-5-1) is equipped with turns over board (3-5-2), and the middle part of turning over board (3-5-2) is equipped with recess (3-5-3).

2. A connector lug for a commercial vehicle clamp or cartridge as defined in claim 1, wherein: this engaging lug is used for commercial car clamp, its clamp includes open-ended steel band (1), the inner circle of steel band (1) is draw-in groove (2), the cross-section of draw-in groove (2) is concave, the opening part of steel band (1) is equipped with engaging lug (3) of two relative settings's L types, engaging lug (3) pass through convex closure (3-3) and weld on steel band (1), two engaging lug (3) pass through the fastener and connect, wear bolt (4) in engaging lug (3) promptly, the one end cover of bolt (4) has gasket (5) and sleeve (6), and lock through nut (7).

3. A connector lug for a commercial vehicle clamp or cartridge as defined in claim 1, wherein: the connecting lug is used for a clamping belt, the clamping belt comprises a split type binding belt, the binding belt is divided into a first binding belt (8) and a second binding belt (9), the connecting ends of the first binding belt (8) and the second binding belt (9) are respectively provided with an L-shaped connecting lug (3) which is oppositely arranged, namely the connecting lug (3) is welded on the first binding belt (8) and the second binding belt (9) through a convex hull (3-3), the two connecting lugs (3) are connected through a fastener, namely a bolt (4) is penetrated in the connecting lug (3), and one end of the bolt (4) is sleeved with a sleeve (6) and locked through a nut (7).

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