CN217328347U

CN217328347U - Precision gear convenient to installation

Info

Publication number: CN217328347U
Application number: CN202123430849.7U
Authority: CN
Inventors: 黄启辉
Original assignee: Shenzhen Honghui Plastic Products Co ltd
Current assignee: Shenzhen Honghui Plastic Products Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-30
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an accurate gear convenient to installation, including accurate gear body, and connect the connecting shaft lever in accurate gear body axle center position department, the position department that the connecting shaft lever surface is located the accurate gear body right flank is provided with the fastening clamp plate, the position department that the connecting shaft lever surface is located the fastening clamp plate side is provided with outer end gland nut, the position department in accurate gear body axle center is provided with the boss, the position department on connecting shaft lever surface is provided with spacing fixture block, spacing fixture block is fixed in the boss inboard; this device is through adding spacing fixture block in the middle of the accurate gear body, from being connected with the connecting shaft pole, has become and has been connected with spacing fixture block, and after the transform, spacing fixture block is comparatively light with accurate gear body coupling, and is simple, utilizes the fastening clamp plate to replace the step of beating before simultaneously to reduced the injury to the gear, this device simple structure, convenient connection, and later maintenance is convenient.

Description

Precision gear convenient to installation

Technical Field

The utility model relates to an accurate gear convenient to installation.

Background

The gear is a mechanical element with a gear on a wheel rim which is continuously engaged to transmit motion and power, the application of the gear in transmission is very early, the principle of generating and cutting a gear method and the successive occurrence of a special machine tool and a cutter which cut the gear by using the principle are provided, along with the development of production, the stability of gear operation is emphasized, the gear can be classified according to tooth shape, gear shape, tooth trace shape, the surface where the gear teeth are positioned, manufacturing methods and the like, common steel for manufacturing the gear comprises hardened and tempered steel, quenched steel, carburized and quenched steel and nitrided steel, the strength of the cast steel is slightly lower than that of forged steel, the cast steel is commonly used for a gear with larger size, the mechanical property of gray cast iron is poorer, the gray cast iron can be used for manufacturing the gear in open gear transmission of light load, nodular cast iron can partially replace steel, plastic gears are mostly used in places with light load and low noise requirements, and the gears matched with the plastic gears are generally made of steel gears with good thermal conductivity.

The gear which has specific requirements on parameters such as tooth number, helical angle, tooth pitch modulus and the like in the gear is called a precision gear, the precision gear needs to be endurable during installation, the side face cannot be beaten forcefully in a traditional mode, if the precision gear is damaged by beating carelessly, an inconvenient user uses the precision gear, the practicability of the precision gear is reduced, and based on the problems, the precision gear which can be conveniently installed needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a precision gear convenient to installation is provided.

The utility model discloses a realize through following technical scheme:

the utility model provides an accurate gear convenient to installation, includes accurate gear body, and connects the connecting shaft pole of accurate gear body axle center position department, connecting shaft pole surface is located the position department of accurate gear body right flank is provided with the fastening clamp plate, connecting shaft pole surface is located the position department of fastening clamp plate side is provided with outer end gland nut, the position department that connecting shaft pole surface is close to the outer end is provided with the cooperation outer end gland nut with the connecting thread of fastening clamp plate, the position department in accurate gear body axle center is provided with the boss, the boss with accurate gear body formula structure as an organic whole, the position department on connecting shaft pole surface is provided with spacing fixture block, spacing fixture block is fixed the boss inboard.

Preferably, the top and the bottom of the limiting clamping block are provided with limiting convex strips, and the inner side of the reinforcing block is provided with limiting grooves matched with the limiting convex strips.

Preferably, a rubber ring is arranged at the position outside the limiting clamping block.

Preferably, an auxiliary pressing plate is arranged at the position of the left side surface of the fastening pressing plate, a rubber pad is arranged at the position of the left side surface of the auxiliary pressing plate, and the size of the auxiliary pressing plate is slightly larger than that of the limiting clamping block.

Preferably, more than two anti-slip strips are arranged on the surface of the fastening pressure plate.

The utility model has the advantages that: this device is through adding spacing fixture block in the middle of the accurate gear body, from being connected with the connecting shaft pole, has become and has been connected with spacing fixture block, and after the transform, spacing fixture block is comparatively light with accurate gear body coupling, and is simple, utilizes the fastening clamp plate to replace the step of beating before simultaneously to reduced the injury to the gear, this device simple structure, convenient connection, and later maintenance is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is an installation side view of a precision gear body;

FIG. 3 is a schematic view of a limiting fixture block;

fig. 4 is a schematic view of a fastening platen.

Detailed Description

All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not 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, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, 2, 3 and 4, the precision gear convenient to mount includes a precision gear body 101 and a connecting shaft rod 102 connected to the axis of the precision gear body 101, a fastening pressure plate 103 is disposed at a position of the surface of the connecting shaft rod 102 located at the right side of the precision gear body 101, an outer end pressure nut 104 is disposed at a position of the surface of the connecting shaft rod 102 located at the side of the fastening pressure plate 103, a connecting thread matching the outer end pressure nut 104 and the fastening pressure plate 103 is disposed at a position of the surface of the connecting shaft rod 102 close to the outer end, a reinforcing block 105 is disposed at a position of the axis of the precision gear body 101, the reinforcing block 105 and the precision gear body 101 are of an integral structure, a limiting block 106 is disposed at a position of the surface of the connecting shaft rod 102, and the limiting block 106 is fixed inside the reinforcing block 105, the connecting thread on the surface of the connecting shaft rod 102 is arranged on the cylindrical convex column protruding from the middle part of the limiting fixture block 106.

In a preferred embodiment of the present invention, the top and bottom of the limiting block 106 are provided with a limiting protrusion 107, and the inner side of the reinforcing block 105 is provided with a limiting groove 108 for engaging with the limiting protrusion 107.

In a preferred embodiment of the present invention, a rubber ring 109 is disposed at a position outside the limiting block 106.

The utility model discloses in a preferred embodiment, the position department of fastening clamp plate 103 left surface is provided with supplementary clamp plate 110, the position department of supplementary clamp plate 110 left surface is provided with rubber pad 111, supplementary clamp plate 110 slightly is greater than spacing fixture block 106's size.

In a preferred embodiment of the present invention, the fastening pressing plate 103 is provided with more than two anti-slip strips 201 at the surface.

The use method of the device comprises the steps of firstly installing the limiting clamping block on the connecting shaft rod, wherein the installation of the limiting clamping block can be carried out in a knocking mode to ensure that the limiting clamping block is installed in place, then taking out the precision gear body to ensure that the limiting groove is aligned with the limiting convex strip, then installing the limiting clamping block, and because the surface of the limiting clamping block is provided with the rubber ring, the limiting clamping block and the rubber ring have certain firmness after the installation of the limiting clamping block and the precision gear body are completed, at the moment, the fastening pressing plate is firstly installed by means of connecting threads, the precision gear body is compressed and fixed by feeding of the threads, and finally, the outer end compression nut is installed to carry out double protection on the whole body, so that the installation of the precision gear body can be completed, and in the installation process, the firm installation can be completed without carrying out any destructive operation on the precision gear body,

in the aforesaid, rubber pad and antislip strip have still played and have avoided impurity to drop to the gap in to lead to the inconvenient dismantlement in later stage.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a precision gear convenient to installation which characterized in that: comprises a precision gear body (101) and a connecting shaft lever (102) connected at the axle center position of the precision gear body (101), a fastening pressure plate (103) is arranged on the surface of the connecting shaft lever (102) at the position of the right side surface of the precision gear body (101), an outer end compression nut (104) is arranged on the surface of the connecting shaft rod (102) at the position of the side surface of the fastening pressure plate (103), the surface of the connecting shaft rod (102) is provided with a connecting thread which is matched with the outer end compression nut (104) and the fastening pressure plate (103) at the position close to the outer end, a reinforcing block (105) is arranged at the position of the axle center of the precision gear body (101), the reinforcing block (105) and the precision gear body (101) are of an integrated structure, a limiting clamping block (106) is arranged at the surface of the connecting shaft rod (102), and the limiting clamping block (106) is fixed on the inner side of the reinforcing block (105).

2. A precision gear for ease of installation according to claim 1, wherein: the position department at spacing fixture block (106) top and bottom is provided with spacing sand grip (107), the position department of boss (105) medial surface is provided with the cooperation spacing recess (108) of spacing sand grip (107).

3. A precision gear for ease of installation according to claim 1, wherein: and a rubber ring (109) is arranged at the position outside the limiting clamping block (106).

4. A precision gear for ease of installation according to claim 1, wherein: an auxiliary pressing plate (110) is arranged at the position of the left side face of the fastening pressing plate (103), a rubber pad (111) is arranged at the position of the left side face of the auxiliary pressing plate (110), and the size of the auxiliary pressing plate (110) is larger than that of the limiting clamping block (106).

5. A precision gear for ease of installation according to claim 1, wherein: more than two anti-slip strips (201) are arranged at the surface of the fastening pressure plate (103).