CN220646683U - Heavy-duty rack with replaceable teeth - Google Patents

Abstract

The utility model discloses a heavy-duty rack with replaceable teeth, which comprises a right fixing piece, a left fixing piece and a rack structure, wherein the left fixing piece is arranged on one side of the right fixing piece, the rack structure is inlaid in the middle of the right fixing piece and the left fixing piece, a connecting groove is formed in the middle of the inner wall of the right fixing piece, a limiting plate is fixed on the right fixing piece along the inside of the connecting groove, and a first limiting block and a second limiting block are respectively arranged on two sides of the limiting plate. The heavy-duty rack with the replaceable teeth is provided with a rack structure, the number of teeth of the convex teeth of the rack structure is 1-15 according to the requirements, the two sides of the tooth holder are provided with tooth edges mutually spliced with the limiting plates, the connection of the tooth edges and the limiting plates is consistent with a tooth slot for ensuring the stability of the subsequent gear transmission, no obvious vibration is caused during the whole gear transmission, and the service life of the transmission gear is prolonged.

Description

Heavy-duty rack with replaceable teeth

Technical Field

The utility model relates to the technical field of racks, in particular to a heavy-duty rack with replaceable teeth.

Background

The heavy-duty rack is particularly a rack with a heavy-duty ultra-large modulus, the tooth profile of the rack is a straight line instead of an involute (a plane is used for a tooth surface), and the rack is equivalent to a cylindrical gear with an infinite reference circle radius. The rack is divided into a straight tooth rack and an inclined tooth rack, the straight tooth rack and the inclined tooth rack are respectively matched with a straight tooth cylindrical gear and an inclined tooth cylindrical gear for use, and the rack assembly must be known that the racks can be butt-jointed and mounted to any length. The gap between the two racks needs to be adjusted to the matching tooth pitch during assembly. The rack is fixed by a locating pin.

A fine gap is formed between the matched tooth pitch formed between the racks and the slope surface and the gears in the assembly process of the racks in the market, when the gears move to the table top, the gears are possibly dislocated, so that the gears which are driven for a long time are worn, a certain trouble is given to a user, meanwhile, the racks are integral, when the racks are worn and damaged, the whole racks can only be replaced, the maintenance cost of the racks is improved, and therefore, the heavy-duty racks with replaceable teeth are provided.

Disclosure of Invention

The utility model aims to provide a heavy-duty rack with replaceable teeth, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heavy load rack of interchangeable tooth, includes right mounting, left mounting and rack structure, one side of right mounting is provided with left mounting, rack structure has been inlayed at the middle part of right mounting and left mounting, the linking groove has been seted up at the inner wall middle part of right mounting, and right mounting is fixed with the limiting plate along the inside of linking groove, the both sides of limiting plate are provided with first stopper and second stopper respectively.

Further, the rack structure comprises a tooth seat, tooth edges and grooves, the tooth edges are arranged on two sides of the horizontal plane of the tooth seat, and the grooves are formed in the middle of the two ends of the tooth seat.

Further, the size of the groove is matched with the sizes of the first limiting block and the second limiting block, and the tooth holder is connected with the first limiting block and the second limiting block in an embedded mode through the groove.

Further, the width of the tooth edge is consistent with the width of the limiting plate, and the width of the tooth edge plus the limiting plate is consistent with the width of the tooth slot at the rack structure.

Further, the right fixing piece and the left fixing piece are fixedly spliced, and the right fixing piece and the left fixing piece form a fixing structure.

Further, locating holes are formed in the end portions of the two ends of the right fixing piece, and screw holes are formed in the right fixing piece along the locating holes.

Further, the fixed column is fixed at the joint of the left fixing piece and the right fixing piece, and the right fixing piece is fastened and fixed through bolts between the positioning holes and the fixed column at the screw hole and the left fixing piece.

Compared with the prior art, the utility model has the beneficial effects that:

the heavy-duty rack with the replaceable teeth is provided with a rack structure, the number of teeth of the convex teeth of the rack structure is 1-15 according to the requirements, the two sides of the tooth holder are provided with tooth edges spliced with the limiting plates mutually, so that the follow-up gear transmission is stable, the tooth edges are connected with the limiting plates and are consistent with tooth grooves, no obvious vibration is caused during the whole gear transmission, the service life of the transmission gear is prolonged, meanwhile, grooves for the first limiting block and the second limiting block to be spliced and fixed are formed in the two sides of the tooth holder, and the splicing connection mode is simple to operate, reduces the installation difficulty and brings convenience to users.

The whole right fixing piece and the left fixing piece are used as the heavy-load rack fixing structure, are fixed in a spliced connection mode, and are high in connection strength and stable in structure.

The whole locating hole, screw and fixed column constitute the connecting piece of right mounting and left mounting, reach the assembly demand to the locating hole of right mounting.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the connection structure of the right fixing member and the rack structure of the present utility model;

FIG. 3 is a schematic view of the right fastener of the present utility model;

FIG. 4 is a schematic view of the rack structure of the present utility model;

fig. 5 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1. a right fixing member; 2. a left fixing member; 3. a rack structure; 301. a tooth holder; 302. tooth edges; 303. a groove; 4. a limiting plate; 5. a connection groove; 6. a first limiting block; 7. a second limiting block; 8. positioning holes; 81. screw holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a heavy load rack of interchangeable tooth, including right mounting 1, left mounting 2 and rack structure 3, one side of right mounting 1 is provided with left mounting 2, rack structure 3 has been inlayed at the middle part of right mounting 1 and left mounting 2, linking groove 5 has been seted up at the inner wall middle part of right mounting 1, and right mounting 1 is fixed with limiting plate 4 along linking groove 5's inside, the both sides of limiting plate 4 are provided with first stopper 6 and second stopper 7 respectively, rack structure 3 is including toothholder 301, tooth edge 302 and recess 303, and toothholder 301's horizontal plane both sides are provided with tooth edge 302, recess 303 has been seted up at toothholder 301's both ends middle part, the size of recess 303 and first stopper 6 and second stopper 7 are mutually matched, and toothholder 301 is connected for the embedding between 6 and the second stopper 7 through recess 303, the width of tooth edge 302 is unanimous with the width of limiting plate 4, and the width of tooth edge 302 and the width of upper limiting plate 4 department of rack structure 3 is unanimous, tooth groove 3's protruding tooth edge is 1-15 according to the demand, this tooth groove 3 is provided with the stopper 1-15 for the corresponding to the corresponding tooth holder, this tooth holder is provided with the first stopper 6 and the second stopper is provided with along the corresponding groove 303, the corresponding size of the first stopper 6 and the second stopper 7, the same size is guaranteed to be connected with the first stopper 4, the second stopper is provided with the first side is convenient for the first side, the gear is convenient for the side is installed with the second side and is provided with the stopper 1, the corresponding gear 1, the side is convenient for the side is convenient to install with the stopper 4, and has the stopper is convenient to install and has the stopper 1.

Example 2

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a heavy load rack of interchangeable tooth, be splice fixed between right mounting 1 and the left mounting 2, and fixed knot constructs with left mounting 2 constitution of right mounting 1, whole right mounting 1 and left mounting 2 are as this heavy load rack fixed knot constructs, adopt the connected mode of concatenation to fix, its joint strength is high, stable in structure, locating hole 8 has been seted up at the both ends tip of right mounting 1, and screw 81 has been seted up along locating hole 8 department to right mounting 1, the junction of left mounting 2 and right mounting 1 is fixed with the fixed column, and be the bolt fastening fixed between the fixed column of right mounting 1 and left mounting 2 department through locating hole 8 and screw 81, whole locating hole 8, the connecting piece of right mounting 1 and left mounting 2 is constituteed to screw 81 and fixed column, when installing right mounting 1 and left mounting 2, only need insert the fixed column of left mounting 2 department into the locating hole 8 of right mounting 1, penetrate the screw into the screw 81 simultaneously, reach the assembly demand to the locating hole 8 of right mounting 1.

Working principle: for such heavy-duty rack with replaceable teeth, firstly, the rack structures 3 are inserted into the engagement groove 5, the grooves 303 on two sides of the tooth holder 301 are inserted into the clamping space formed by the first limiting block 6 and the second limiting block 7, the tooth edges 302 are mutually attached to the limiting plates 4, after the rack structures 3 are assembled, a plurality of rack structures 3 are assembled into the engagement groove 5 one by a user at the moment, then the fixing columns at the left fixing piece 2 are inserted into the positioning holes 8 of the right fixing piece 1, meanwhile, the bolts penetrate into the screw holes 81, finally, the user rolls the gear to be transmitted along the surface of the heavy-duty rack, and the gear can smoothly slide.

Claims (7)

1. The utility model provides a heavy-duty rack of interchangeable tooth, includes right mounting (1), left mounting (2) and rack structure (3), its characterized in that: one side of right mounting (1) is provided with left mounting (2), rack structure (3) have been inlayed at the middle part of right mounting (1) and left mounting (2), linking groove (5) have been seted up at the inner wall middle part of right mounting (1), and right mounting (1) are fixed with limiting plate (4) along the inside of linking groove (5), the both sides of limiting plate (4) are provided with first stopper (6) and second stopper (7) respectively.

2. A tooth-exchangeable heavy duty rack as set forth in claim 1, wherein: the rack structure (3) comprises a tooth holder (301), tooth edges (302) and grooves (303), wherein the tooth edges (302) are arranged on two sides of the horizontal plane of the tooth holder (301), and the grooves (303) are formed in the middle of two ends of the tooth holder (301).

3. A replaceable tooth heavy duty rack as claimed in claim 2 wherein: the size of the groove (303) is matched with the sizes of the first limiting block (6) and the second limiting block (7), and the tooth holder (301) is connected with the first limiting block (6) and the second limiting block (7) in an embedded mode through the groove (303).

4. A replaceable tooth heavy duty rack as claimed in claim 2 wherein: the width of the tooth edge (302) is consistent with the width of the limiting plate (4), and the width of the tooth edge (302) plus the limiting plate (4) is consistent with the width of a tooth slot at the rack structure (3).

5. A tooth-exchangeable heavy duty rack as set forth in claim 1, wherein: the right fixing piece (1) and the left fixing piece (2) are fixedly spliced, and the right fixing piece (1) and the left fixing piece (2) form a fixing structure.

6. A tooth-exchangeable heavy duty rack as set forth in claim 1, wherein: positioning holes (8) are formed in the end portions of the two ends of the right fixing piece (1), and screw holes (81) are formed in the right fixing piece (1) along the positioning holes (8).

7. The replaceable tooth heavy duty rack of claim 6 wherein: the fixing columns are fixed at the joint of the left fixing piece (2) and the right fixing piece (1), and the right fixing piece (1) is fastened and fixed with the fixing columns at the left fixing piece (2) through the positioning holes (8) and the screw holes (81).