Series connection device for annular parts

Abstract

The utility model relates to an annular part series connection device which comprises a pin shaft, a blocking piece and a pulling piece, a sinking groove is formed in the surface of the pin shaft, one side of the blocking piece is sleeved with the sinking groove, the other side of the blocking piece extends outwards in the radial direction of the pin shaft, and the blocking piece is further fixedly connected with the pulling piece. And an inclination angle between the surface of the pull tab and the radial direction of the pin shaft is greater than zero. By adopting the technical scheme provided by the utility model, when one side of the separation blade is sleeved in the sinking groove, the separation blade limits the axial movement of the parts relative to the pin shaft, so that the two annular parts are quickly connected in series, and an operator can apply acting force to the pull piece and then take out the pin shaft during disassembly, so that the disassembly is convenient. The quick separating device has the advantages of being simple in structure and convenient to operate, and the assembling or disassembling efficiency of series connection of the two annular parts can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical structures, and in particular relates to a serial connection device for annular parts. Background Art

[0002] At present, in the existing mechanical connection structure, bolts, nuts and other fasteners are generally used to fasten two components together. When two annular components need to be connected in series, a pin is generally used to penetrate the two annular components first, and then an open retaining ring or a shaft retaining ring is used to be mounted on the pin to limit the positions of the two components relative to the pin.

[0003] For example, the patent document with the publication number of "CN204436997U" discloses a bending locking ring for a pin shaft, which is used to position and lock the pin shaft, and includes a closed ring body, the ring body is composed of a semicircular ring portion and a bending portion, the outer contour of the semicircular ring portion includes an outer semicircle and an inner semicircle; the contour of the bending portion includes an inner bending line and an outer bending line; the outer semicircle and the outer bending line constitute the outer contour of the ring body, and the inner semicircle and the inner bending line constitute the contour of the pin shaft through hole in the ring body; the aperture at the inner semicircle is consistent with the diameter of the shaft groove of the pin shaft, and the aperture at the inner bending line is larger than the main diameter of the pin shaft. The adoption of this patented technical solution makes the pin shaft not easy to fall off when subjected to vibration or impact force. However, when loading and unloading such a ring, a special caliper must be used for operation. If the operator does not carry a special caliper tool, due to the relatively large outer dimensions of the ring, it will be difficult for the operator to find a suitable fulcrum on the surface of the ring to remove the ring by hand. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a device for connecting annular parts in series.

[0005] The utility model provides a serial connection device for annular parts, comprising a pin shaft, a baffle and a pull tab, wherein a recessed groove is provided on the surface of the pin shaft, one side of the baffle is sleeved in the recessed groove, and the other side of the baffle extends outward along the radial direction of the pin shaft, the baffle is also fixedly connected to the pull tab, and the inclination angle between the surface of the pull tab and the radial direction of the pin shaft is greater than zero.

[0006] The inclination angle of the surface of the pull tab relative to the radial direction of the pin shaft is 70° to 85°.

[0007] The pull tab and the blocking piece form a locking piece assembly, and the locking piece assembly is integrally manufactured.

[0008] The locking piece assembly is formed by bending a thin-walled metal ring.

[0009] The pull-tab surface is also provided with a plurality of wrinkles.

[0010] The folds are formed by bending the pull tab.

[0011] The number of the folds is 3 or more.

[0012] The pull tab is in a semicircular ring shape.

[0013] The blocking piece is in a semicircular ring shape.

[0014] The connection between the pull tab and the blocking piece is also provided with a rounded corner.

[0015] The beneficial effect of the utility model is that: by adopting the technical solution provided by the utility model, when one side of the baffle is fitted into the sink groove, the baffle limits the axial movement of the component relative to the pin shaft, so that the two annular components are quickly connected in series. When disassembling, the operator can apply force to the pull tab and then remove the pin shaft, so that the two annular components are quickly separated. The utility model has the advantages of simple structure and easy operation, which helps to improve the assembly or disassembly efficiency of the two annular components connected in series. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axonometric drawing of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 It is a top view of the connection between the baffle and the pull tab of the utility model;

[0019] Figure 4 It is a front view of the connection between the baffle and the pull tab of the utility model.

[0020] In the figure: 1-pin, 2-blocking piece, 3-pull tab, 4-sink, 5-first component, 6-second component, 7-pleat. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings, but the protection scope required is not limited to the above;

[0022] The utility model provides a device for connecting annular parts in series, such as Figures 1 to 4 As shown, it includes a pin shaft 1, a baffle 2 and a pull tab 3. A recessed groove 4 is provided on the surface of the pin shaft 1. One side of the baffle 2 is fitted into the recessed groove 4, and the other side of the baffle 2 extends outward along the radial direction of the pin shaft 1. The baffle 2 is also fixedly connected to the pull tab 3, and the inclination angle between the surface of the pull tab 3 and the radial direction of the pin shaft 1 is greater than zero.

[0023] By adopting the technical solution provided by the utility model, when one side of the baffle is fitted into the sink groove, the baffle limits the axial movement of the component relative to the pin shaft, so that the two annular components are quickly connected in series. During disassembly, the operator can apply force to the pull tab and then remove the pin shaft, so that the two annular components are quickly separated. The utility model has the advantages of simple structure and easy operation, which helps to improve the assembly or disassembly efficiency of the two annular components connected in series.

[0024] Specifically, the sink groove 4 is an annular blind groove. The inclination angle between the surface of the pull tab 3 and the radial direction of the pin shaft 1 is 70° to 85°. The pull tab 3 and the baffle 2 form a locking plate assembly, and the locking plate assembly is manufactured in one piece. The locking plate assembly is formed by bending a thin-walled metal ring. The surface of the pull tab 3 is also provided with a plurality of folds 7. The folds 7 are formed by bending the pull tab 3. The number of folds 7 is more than 3. The pull tab 3 is in the shape of a semicircular ring. The baffle 2 is in the shape of a semicircular ring. The connection between the pull tab 3 and the baffle 2 is also provided with a chamfer.

Claims

1. A device for connecting annular components in series, characterized in that: The invention comprises a pin shaft (1), a baffle (2) and a pull tab (3); a recessed groove (4) is provided on the surface of the pin shaft (1); one side of the baffle (2) is sleeved in the recessed groove (4); the other side of the baffle (2) extends outwardly along the radial direction of the pin shaft (1); the baffle (2) is also fixedly connected to the pull tab (3); and the inclination angle between the surface of the pull tab (3) and the radial direction of the pin shaft (1) is greater than zero.

2. A device for connecting annular components in series according to claim 1, characterized in that: The inclination angle of the surface of the pull tab (3) relative to the radial direction of the pin shaft (1) is 70° to 85°.

3. A device for connecting annular components in series according to claim 1, characterized in that: The pull tab (3) and the blocking tab (2) form a locking tab assembly, and the locking tab assembly is integrally manufactured.

4. A device for connecting annular components in series as claimed in claim 3, characterized in that: The locking piece assembly is formed by bending a thin-walled metal ring.

5. A device for connecting annular components in series according to any one of claims 1 to 3, characterized in that: The pull tab (3) is also provided with a plurality of wrinkles (7) on its surface.

6. A device for connecting annular components in series as claimed in claim 5, characterized in that: The folds (7) are formed by bending the pull tab (3).

7. The device for connecting annular components in series according to claim 5, characterized in that: The number of the folds (7) is more than 3.

8. The device for connecting annular components in series according to claim 5, characterized in that: The pull tab (3) is in the shape of a semicircular ring.

9. A device for connecting annular components in series according to claim 1 or 3, characterized in that: The blocking piece (2) is in the shape of a semicircular ring.

10. A device for connecting annular components in series according to claim 1 or 3, characterized in that: The connection between the pull tab (3) and the blocking piece (2) is also provided with a rounded corner.

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