CN217946553U - Chain direction changing device - Google Patents

Abstract

Chain changes to device belongs to chain bend wheel technical field. The utility model comprises a bracket and a roller, wherein the bracket comprises two unit brackets which are spliced with each other, each unit bracket comprises a main body plate and bending plates which are arranged at two sides of the main body plate, and the bending plates of the two unit brackets are butted with each other; the main body plates of the two unit supports are provided with at least two groups of corresponding connecting holes, each group of connecting holes are connected and fastened through a connecting piece, and the idler wheels are arranged between the two opposite main body plates. The utility model discloses need not the welding, only need simple assembly can to ensure product quality.

Description

Chain direction changing device

Technical Field

The utility model relates to a chain bend wheel technical field especially relates to chain bend device.

Background

At present, on some devices using chains, such as chain conveyors, a direction-changing wheel is often used, which can adjust the path of the chain on the one hand and ensure the tensioning of the chain on the other hand. In the prior art, a direction changing wheel mechanism for a shower power assisting device is disclosed in a Chinese utility model with the patent number of 201820383153.2, and comprises a support and a direction changing wheel, wherein the support is fixed on the top surface of a bathroom, the direction changing wheel is rotationally fixed on the support through a shaft, a shaft sleeve is arranged between the shaft and the direction changing wheel, one end of the shaft is fixed on the support through a screw plug, and the other end of the shaft is provided with a limiting plate; the steel wire rope sealing device is characterized in that the support is provided with a small hole through which a steel wire rope passes, a sealing piece is arranged at the upper end of the small hole, a sealing pad is arranged at the lower end of the small hole, the sealing pad is embedded on the support, the sealing piece is arranged in a split mode, and a movable clamp and a fixing clamp are arranged on the periphery of the sealing piece for clamping and fixing.

Like above-mentioned current bend wheel, its base often need weld to form, produces deformation easily in the welding process, influences final product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that above-mentioned prior art exists, provide a chain changes to device, and it need not the welding, only need simple assembly can to ensure product quality.

The utility model aims at realizing through the following technical scheme:

the chain direction changing device comprises a support and a roller, the support comprises two unit supports which are spliced with each other, each unit support comprises a main body plate and bending plates arranged on two sides of the main body plate, and the bending plates of the two unit supports are butted with each other; two be equipped with corresponding at least two sets of connecting hole on the main part board of unit support, every group connect the fastening through the connecting piece between the connecting hole, the gyro wheel is located between two relative main part boards.

The utility model discloses an application principle: firstly, the roller is assembled between the two unit supports through the roller shaft, then the two unit supports are accurately assembled and fastened through the matching of the two connecting pieces and the two groups of connecting holes, and the assembly of the whole chain direction changing device can be completed. Also, the connector may be used to simultaneously mount the entire device to the desired equipment. Generally, the connecting member may be a bolt.

As the utility model discloses preferably, two be equipped with positioning groove and the location lug of mutually supporting between the buckling plate of unit support to effectively ensure the precision of assembly, avoid the influence that the clearance between connecting piece and the connecting hole caused product quality.

As the utility model discloses it is preferred, the connecting piece cooperation is connected with the locking board, and the connecting piece is contradicted respectively with the locking board two on the looks dorsal side of unit support. The connecting piece generally adopts bolts, so that the screw holes can be arranged on the locking plate, the screw holes do not need to be arranged on the main body plate, and the cost is increased and the assembly efficiency is reduced if the screw holes are arranged on both the unit brackets; if only one unit bracket is provided with the screw hole, two unit brackets need to be separated during assembly, and the assembly efficiency is reduced. And, the locking plate has still played the effect that increases the distance between bend wheel and the equipment, avoids interfering.

As the utility model discloses preferably, the connecting piece passes the one end of locking plate still is equipped with the installation fastener, and the connecting piece not only is used for the be assembled between/be connected between of two unit supports promptly, still is used for the installation of bend wheel and equipment, passes the mounting hole on the equipment with the connecting piece to with the one end fastening that the installation fastener passed the mounting hole at the connecting piece can.

Preferably, the length of the first side bending plate of the unit bracket is smaller than that of the main body plate and larger than that of the second side bending plate, and the roller is arranged on the main body plate close to the second side bending plate to increase the part of the roller exposed out of the bracket, so that the roller is convenient to be matched with a chain and the applicability is improved; and the length of the bending plate on the first side is longer, so that the overall structural strength can be effectively improved.

As the utility model discloses it is preferred, main part board one end is extended to one side of second side bending plate has the installation department, the gyro wheel install in the installation department to further make the gyro wheel can be close to or stretch out the outside, the cooperation chain of being convenient for improves the suitability.

As the utility model discloses it is preferred, main part board one end has the hypotenuse that links up the first side bent plate same end and dodges the structure to also increase the exposure part of gyro wheel as far as this side, the cooperation chain of being convenient for improves the suitability.

As the utility model discloses it is preferred, the gyro wheel passes through the roller shaft to be installed in two between the main part board, both sides are close to main part board department and are equipped with the spacing groove on the roller shaft, the spacing inslot is equipped with the locating part to ensure the accuracy and the stability of gyro wheel position.

As the utility model discloses it is preferred, be equipped with two bearings between gyro wheel and the roller shaft, be equipped with the spacer ring on the gyro wheel inside wall between two bearings to avoid influencing each other between two bearings, improve stability.

As the utility model discloses it is preferred, be equipped with the chain spacing groove on the gyro wheel lateral surface to ensure the stability of chain position.

The utility model has the advantages that:

1. welding is not needed, deformation risk caused by welding is avoided, and the quality of a product is more stable and reliable due to the adoption of an assembly type structure;

2. the positioning groove and the positioning lug between the two unit brackets are matched, so that the assembly accuracy is effectively ensured, and the assembly efficiency is improved;

3. the connecting piece is used for assembling the device and mounting the device and required equipment, so that parts are saved, and the structure is simplified;

4. the limiting groove and the limiting part effectively ensure the accuracy and the stability of the position of the roller, thereby ensuring the stability of a chain path.

Drawings

FIG. 1 is a schematic structural view of the chain direction changing device of the present invention;

FIG. 2 is a schematic structural view of a side unit bracket of the present invention;

FIG. 3 is a schematic structural view of a middle roller shaft according to the present invention;

fig. 4 is a schematic structural view of the middle roller of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the utility model provides a chain changes to device, including support and gyro wheel 2, the support includes two unit support 11, connecting bolt 12, unit support 11 includes main part board 111, locates the bending plate 112 of main part board 111 both sides perpendicularly, and bending plate 112 is formed by the part bending of main part board 111 both sides promptly, and when two unit support 11 were assembled, its bending plate 112 docked each other, and gyro wheel 2 sets up between two main part boards 111 through roller shaft 3. Two be equipped with corresponding two sets of connecting hole 1111 on the main part board 111 of unit support 11, connecting bolt 12 passes two corresponding connecting holes on two main part boards in proper order, certainly, if there is not the cooperation of other part, then need process out the screw thread in two connecting holes 1111 or the connecting hole of distance connecting bolt 12 head farther to the connection fastening of two unit supports 11 is realized to cooperation connecting bolt 12.

As another preferred implementation manner, a locking plate 13 may be added, and two threaded holes are processed in the locking plate 13, so that it is not necessary to process threads in the connecting holes 1111, and the connecting bolt 12 sequentially passes through the two connecting holes 1111 and then is connected and fastened with the threaded hole in the locking plate 13, so that the head of the connecting bolt 12 and the locking plate 13 respectively abut against opposite sides of the two main body plates 111, thereby implementing the assembly connection between the two unit brackets 11. Furthermore, the locking plate 13 also functions to increase the distance between the direction-changing wheel and the device to avoid the occurrence of interference.

Specifically, a positioning groove 1121 and a positioning bump 1122 which are matched with each other are arranged between the bending plates 112 of the two unit brackets 11, so that the assembling accuracy is effectively ensured, the influence of a gap between a connecting bolt and a connecting hole on the product quality is avoided, and the assembling difficulty is further reduced.

In addition, the end of the connecting bolt 12 penetrating through the locking plate 13 is also provided with a mounting nut 14, namely, the connecting bolt is not only used for assembling and connecting the two unit brackets 11, but also used for mounting and connecting the whole device and equipment, and during mounting, the connecting bolt 12 penetrates through a mounting hole in the equipment and is fastened by the mounting nut 14 at the end of the connecting bolt penetrating through the mounting hole.

In order to increase the exposed portion of the roller 2 outside the bracket, so as to be convenient for matching with a chain and improve the applicability, the length of the first side bending plate of the unit bracket 11 is smaller than the length of the main body plate 111 and larger than the length of the second side bending plate, the roller 2 is arranged on the main body plate 111 and close to the second side bending plate, and the length of the first side bending plate is longer, so that the overall structural strength can be effectively improved. And, the main body plate 111 has a mounting portion 1112 extending from one end thereof to one side of the second side bending plate, and the roller 2 is mounted to the mounting portion 1112, so that the roller can further approach or extend to the outside. Meanwhile, one end of the main body plate 111 has a bevel avoiding structure 1113 connected to the same end of the first side bending plate, so as to increase the exposed part of the roller on the side as much as possible.

In order to ensure the accuracy and stability of the roller position, the positions of two sides of the roller shaft 3, which are close to the main body plate 111, are provided with limiting grooves 31, and limiting snap springs are arranged in the limiting grooves 31. Further, a chain limiting groove 21 is formed in the outer side face of the roller 2 to ensure the stability of the chain position. In addition, two bearings are arranged between the roller 2 and the roller shaft 3, and a spacing ring 22 is arranged between the two bearings on the inner side wall of the roller 2, so that the two bearings are prevented from being influenced with each other, and the stability is improved.

In conclusion, the use principle of the device is as follows: firstly, the roller 2 is assembled between the two unit brackets 11 through the roller shaft 3, the assembly position of the two unit brackets 11 is accurately found through the matched positioning groove 1121 and the positioning lug 1122, and then the two connecting bolts 12 sequentially penetrate through the two groups of connecting holes 1111 and are in threaded connection and fastening with the locking plate 13, so that the assembly of the whole chain redirection device is completed. Finally, two connecting bolts 12 are passed through two mounting holes on the desired mounting equipment and fastened with mounting nuts 14 to complete the mounting and fixing between the device and the corresponding equipment.

The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The chain direction changing device comprises a support and a roller, and is characterized in that the support comprises two unit supports which are spliced with each other, each unit support comprises a main body plate and bending plates arranged on two sides of the main body plate, and the bending plates of the two unit supports are butted with each other; two be equipped with corresponding at least two sets of connecting hole on the main part board of unit support, every group connect the fastening through the connecting piece between the connecting hole, the gyro wheel is located between two relative main part boards.

2. The device as claimed in claim 1, wherein a positioning groove and a positioning projection are provided between the bent plates of the two unit brackets.

3. The chain direction changing device as claimed in claim 1, wherein the connecting member is connected with a locking plate in a fitting manner, and the connecting member and the locking plate respectively abut against opposite side surfaces of the two unit brackets.

4. The chain redirection device according to claim 3, wherein the end of the connection element that passes through the locking plate is further provided with a mounting fastener.

5. The chain direction changing device as claimed in claim 1, wherein the first side bending plate of the unit bracket has a length smaller than that of the main body plate and greater than that of the second side bending plate, and the roller is disposed on the main body plate near the second side bending plate.

6. The chain direction changing device as claimed in claim 5, wherein a mounting portion is formed at one end of the main body plate to extend to one side of the second side bent plate, and the roller is mounted to the mounting portion.

7. The chain redirection device as claimed in claim 5, wherein the main body plate has a bevel relief at one end for engaging the same end of the first side bent plate.

8. The device for changing direction of a chain as claimed in claim 1, wherein the roller is mounted between the two main plates via a roller shaft, and the roller shaft is provided with a limiting groove at two sides thereof near the main plates, and a limiting member is disposed in the limiting groove.

9. The chain direction changing device as claimed in claim 8, wherein two bearings are provided between the roller and the roller shaft, and a spacer ring is provided on an inner sidewall of the roller between the two bearings.

10. The chain direction changing device as claimed in claim 1, wherein a chain limiting groove is provided on an outer side surface of the roller.

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