CN221300011U

CN221300011U - Cam opening

Info

Publication number: CN221300011U
Application number: CN202322747059.4U
Authority: CN
Inventors: 金峰
Original assignee: Jiaxing Huanyu Fabric Co ltd
Current assignee: Jiaxing Huanyu Fabric Co ltd
Filing date: 2023-10-13
Publication date: 2024-07-09
Anticipated expiration: 2033-10-13

Abstract

The utility model provides a cam opening, and relates to the field of cams. The cam opening comprises a main wheel, a ring opening is formed in the main wheel, an inner nest is installed in the ring opening, two open grooves are symmetrically formed in the side walls of the two sides of the ring opening, two protruding blocks are symmetrically arranged on the outer walls of the two sides of the shaft sleeve, and the two protruding blocks are identical to the two open grooves in specification. According to the cam opening, the inner nest is inserted into the ring opening in a sliding manner, the protruding blocks on two sides of the inner nest are respectively inserted into the two opening grooves in a sliding manner, then the bolts are sequentially inserted, the nuts are spirally installed for fixing, and the inner nest with proper specification can be quickly and firmly replaced, so that the driving shafts with different specifications can be installed for use; through the cooperation use between two lug and two open slots, can guarantee that the installation of interior nested and main wheel is firm enough when driving interior nested drive main wheel rotation.

Description

Cam opening

Technical Field

The present utility model relates to the field of cams, and more particularly to cam openings.

Background

Cams refer to mechanical rotary or sliding members (e.g. wheels or protruding parts of wheels) which transmit movement to rollers moving against their edges or needle bars freely moving on the grooved surface or which bear forces from such rollers and needle bars.

The ring opening in the existing cam is mostly of fixed specification, can only be simply applicable to the driving shaft of a corresponding specification for installation connection, and is single in application range, so that the cam cannot be adapted to different driving shafts for use.

Disclosure of utility model

The utility model aims to provide a cam opening to solve the problems that the application range is single and different driving shafts cannot be adapted in the prior art.

The present utility model provides a cam opening comprising: the main wheel is provided with a ring opening, the ring opening is internally provided with an inner nest, two side walls of the two sides of the ring opening are symmetrically provided with two open slots, two outer walls of the two sides of the inner nest are symmetrically provided with two convex blocks, the two convex blocks are identical to the two open slots in specification, and the two convex blocks are respectively and slidably connected with the two open slots.

Preferably, through holes are formed at the upper ends of the two protruding blocks.

Preferably, two both sides of lug all symmetry are equipped with fixed ear, and a plurality of fixed ear all with the outer wall fixed connection of main wheel, a plurality of all be equipped with the earhole on the fixed ear.

Preferably, the ear openings on the two fixing ears on one side are aligned with the through openings on the convex blocks on the same side.

Preferably, a bolt is installed and connected between the two fixing lugs at one end and the same-side convex blocks, the bolt is in sliding connection with the two through holes, the bolt is in sliding connection with the lug holes, a nut is installed and connected at one end of the bolt, and the nut is in threaded connection with one end of the bolt.

Preferably, the sleeve walls at the two ends of the upper end of the inner nest are symmetrically provided with mounting holes.

Compared with the related art, the cam opening provided by the utility model has the following beneficial effects:

1. The utility model provides a cam opening, through sliding the inner nest into the ring opening on the main wheel, simultaneously enabling the convex blocks on the outer walls of the two sides of the inner nest to be respectively and slidably inserted into two opening grooves, sequentially inserting bolts, enabling the bolts to pass through the lug openings on the two fixing lugs and the through openings on the convex blocks, and spirally installing nuts for fixing, so that the inner nest with proper specification can be quickly and firmly replaced, and the driving shafts with different specifications can be installed and used;

2. The cam opening is provided by the utility model, the protrusions on the outer walls of the two sides of the inner nest are inserted into the two opening grooves in a sliding way, the alignment and the installation of the inner nest are completed rapidly, and the inner nest and the main wheel can be ensured to be firmly installed while the inner nest is driven to rotate by the cooperation between the two protrusions and the two opening grooves.

Drawings

FIG. 1 is a schematic top view of a cam opening according to the present utility model;

FIG. 2 is a schematic diagram of a front view of a cam opening according to the present utility model;

Fig. 3 is a schematic structural diagram at a shown in fig. 1.

Reference numerals in the drawings: 1. a main wheel; 11. a ring opening; 12. an open slot; 2. inner nesting; 21. a bump; 3. a fixed ear; 4. a bolt; 41. a nut; 5. and (5) mounting holes.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1 to 3 in combination, the cam opening includes: the main wheel 1 is provided with a ring opening 11, the ring opening 11 is internally provided with an inner nest 2, two side walls of the ring opening 11 are symmetrically provided with two open slots 12, two outer walls of the two sides of the inner nest 2 are symmetrically provided with two protruding blocks 21, the two protruding blocks 21 have the same specification as the two open slots 12, and the two protruding blocks 21 are respectively connected with the two open slots 12 in a sliding manner.

In the implementation process, as shown in fig. 1 and 2, through holes are formed at the upper ends of the two bumps 21.

It should be noted that: the proper inner nest 2 is inserted into the ring opening 11 on the main wheel 1 in a sliding manner, and meanwhile, the convex blocks 21 on the outer walls of the two sides of the inner nest 2 are inserted into the two open grooves 12 in a sliding manner, so that the alignment and the installation of the inner nest 2 are completed quickly, the inner nest 2 with proper specification can be replaced conveniently, and the driving shafts with different specifications can be installed and used;

By means of the cooperation between the two lugs 21 and the two open grooves 12, the inner nest 2 and the main wheel 1 can be ensured to be mounted and used firmly.

Referring to fig. 1 and 2, two sides of two protruding blocks 21 are symmetrically provided with fixing lugs 3, a plurality of fixing lugs 3 are fixedly connected with the outer wall of the main wheel 1, and lug openings are formed in the plurality of fixing lugs 3.

Referring to fig. 1 and 2, the ear openings on both fixing ears 3 on one side are aligned with the through openings on the same-side bumps 21.

Referring to fig. 1 and 3, a bolt 4 is installed and connected between two fixing lugs 3 at one end and the same side protruding block 21, the bolt 4 is slidably connected with two through openings, the bolt 4 is slidably connected with the lug openings, a nut 41 is installed and connected at one end of the bolt 4, and the nut 41 is in threaded connection with one end of the bolt 4.

It should be noted that: the bolts 4 are sequentially inserted, so that the bolts 4 penetrate through the lug openings on the two fixing lugs 3 and the through openings on the lugs 21, and the nuts 41 are spirally arranged to fix the lugs 21 on the inner nest 2.

Referring to fig. 1 and 2, mounting holes 5 are symmetrically formed in the walls of the two ends of the upper end of the inner nest 2.

It should be noted that: the arrangement of the mounting holes 5 facilitates fixing the inner nest 2 with the drive shaft so as to fixedly mount the main wheel 1.

The working principle of the cam opening provided by the utility model is as follows: the proper inner nest 2 is inserted into the ring opening 11 on the main wheel 1 in a sliding manner, meanwhile, the convex blocks 21 on the outer walls of the two sides of the inner nest 2 are inserted into the two open grooves 12 in a sliding manner, the alignment and the installation of the inner nest 2 are completed quickly, and the inner nest 2 and the main wheel 1 can be ensured to be firmly installed and used by utilizing the cooperation between the two convex blocks 21 and the two open grooves 12. The bolts 4 are sequentially inserted in the back, so that the bolts 4 penetrate through the lug openings on the two fixing lugs 3 and the through openings on the convex blocks 21, the nuts 41 are spirally installed in the back to fix the bolts, and the inner nest 2 with proper specification can be quickly and firmly replaced, so that the bolts can meet the requirement of installing and using driving shafts with different specifications.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A cam opening, comprising:

The novel bicycle is characterized in that the main wheel (1) is provided with a ring opening (11), the ring opening (11) is internally provided with an inner nest (2), two open slots (12) are symmetrically arranged on the side walls of the two sides of the ring opening (11), two protruding blocks (21) are symmetrically arranged on the outer walls of the two sides of the inner nest (2), the protruding blocks (21) are identical to the two open slots (12) in specification, and the protruding blocks (21) are respectively in sliding connection with the two open slots (12).

2. Cam opening according to claim 1, characterized in that the upper ends of both lugs (21) are provided with through openings.

3. The cam opening according to claim 2, characterized in that two sides of the two protruding blocks (21) are symmetrically provided with fixing lugs (3), a plurality of the fixing lugs (3) are fixedly connected with the outer wall of the main wheel (1), and a plurality of the fixing lugs (3) are provided with lug openings.

4. A cam opening according to claim 3, characterized in that the lugs on both of the fixing lugs (3) on one side are arranged in alignment with the through-openings on the same-side projections (21).

5. Cam opening according to claim 4, characterized in that a bolt (4) is mounted between two fixing lugs (3) and the same side lugs (21) at one end, the bolt (4) is slidingly connected with two through openings, the bolt (4) is slidingly connected with the lug openings, a nut (41) is mounted at one end of the bolt (4), and the nut (41) is in threaded connection with one end of the bolt (4).

6. Cam opening according to claim 1, characterized in that the upper end of the inner nest (2) is provided with mounting holes (5) symmetrically in the walls of the two ends.