Manual press-fitting mechanism for clamp spring of connecting rod shaft of engine

Abstract

The utility model discloses a manual press-fitting mechanism for an engine connecting rod shaft clamp spring, which relates to the field of manual press-fitting of clamp springs and comprises a base, a support protruding upwards is mounted at the top end of the base through a bolt, a lower butt-joint frame protruding upwards is mounted at the top end of the base and located on one side of the support through a bolt, and an upper butt-joint frame protruding upwards is mounted on the lower butt-joint frame through a bolt. The top end of the lower butt joint frame is connected with an upper butt joint frame in a clamped mode, a round hole is formed in a bottom end plate of the lower butt joint frame, a positioning column is installed at the top end of the base through a bolt, and the positioning column penetrates through the round hole and extends to the position above the bottom end plate of the lower butt joint frame. A protruding plate protruding upwards is fixedly installed on the edge of the top end of the base through bolts, and the inner wall of the protruding plate is in threaded connection with two positioning bolts. Through the arrangement of the manual press-fitting mechanism, the problem that manual press-fitting of the clamp spring adopts a sharp-nose pliers and a slotted screw wrench and adopts a brute force extrusion and prizing installation operation mode is effectively solved, the working efficiency is improved, the operation difficulty is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of clamp spring manual press fitting, in particular to a kind of engine connecting rod shaft clamp spring manual press fitting mechanism. BACKGROUND

[0002] At present, in the engine connecting rod shaft assembly process, when small batch production or repair, connecting rod shaft clamp spring needs to be manually press fitted into clamp spring groove;The existing installation mode is manually squeezed by using force with pointed nose pliers and flat screw wrench, and the installation mode is pryed, which has the problems of low installation efficiency, low qualified rate, great damage to connecting rod and high operation difficulty. UTILITY MODEL CONTENTS

[0003] The utility model aims at: in order to solve the problems presented in the above background art, provide a kind of engine connecting rod shaft clamp spring manual press fitting mechanism.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of engine connecting rod shaft clamp spring manual press fitting mechanism, including base, the top of the base is installed with the support projecting upward by bolt, the top of the base is installed with the lower butt joint frame projecting upward by bolt on the side of the support, the top of the lower butt joint frame is clamped with upper butt joint frame, the bottom end plate of the lower butt joint frame is provided with circular hole, the top of the base is installed with positioning column by bolt, the positioning column penetrates circular hole and extends to the top of the lower butt joint frame above the bottom end plate, the top edge of the base is fixedly installed with the protruding plate projecting upward by bolt, the inner wall of the protruding plate is threadedly connected with two positioning bolts, two the positioning bolts are aligned in the up-down direction, the top of the upper butt joint frame is installed with the press fitting mechanism penetrating to the top end plate below of the upper butt joint frame.

[0005] As a further scheme of the utility model: the press fitting mechanism includes fixed sleeve integrally formed at the center of the top of the upper butt joint frame, the outer periphery of the fixed sleeve is provided with butt joint groove, and the top of the butt joint groove is in open structure.

[0006] As a further scheme of the utility model: the press fitting mechanism further includes hollow cylinder inserted into the inner wall of the fixed sleeve, the outer wall of the hollow cylinder is threadedly connected with butt joint bolt for butt joint with the butt joint groove, the hollow cylinder is in hollow structure, and the top and bottom end of the hollow cylinder are in open structure, the outer wall of the hollow cylinder is provided with vertically arranged limiting slot, and the inner wall of the limiting slot is communicated with the inner wall of the hollow cylinder.

[0007] As a further scheme of the utility model: the press fitting mechanism further includes compression spring inserted into the inner wall of the hollow cylinder, the outer periphery of the compression spring is threadedly connected with limiting bolt, the limiting bolt is slidably connected to the inner wall of the limiting slot in up-down direction, and the bottom end of the compression spring is integrally formed with four claws projecting downward.

[0008] As a further scheme of the utility model: the inner wall top end of the compression spring is provided with a handle bar, one end of the handle bar outside the hollow cylinder is in a spherical structure, the upper part of the inner wall of the compression spring is provided with a containing groove which is consistent with the outer wall of the handle bar vertical rod part, the diameter of the butt joint groove is larger than the diameter of the inner wall of the compression spring.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. By setting the manual pressure equipment, the installation operation mode of the clamp spring manual pressure equipment using the forceps and the one word screw spanner using the force is effectively solved, the work efficiency is improved, the operation difficulty is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structural schematic diagram of the utility model;

[0012] Fig. 2 It is the internal structure schematic diagram of the utility model;

[0013] Fig. 3 It is the butt joint schematic diagram of the four claws and the clamp spring.

[0014] In the drawing: 1, base; 2, support; 3, lower butt joint frame; 4, positioning column; 5, protruding plate; 6, positioning bolt; 7, upper butt joint frame; 8, fixed sleeve; 9, butt joint groove; 10, butt joint bolt; 11, hollow cylinder; 12, limiting groove; 13, handle bar; 14, compression spring; 15, limiting bolt; 16, four claws; 17, clamp spring; 18, connecting rod. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] Please refer to Figs. 1-3The utility model discloses an engine connecting rod axle snap spring manual press -fitting mechanism, including base 1, the top of base 1 is installed with the support 2 that protrudes upwards through bolt, the top of base 1 is installed with the lower butt joint frame 3 that protrudes upwards through bolt on one side of support 2, the top of lower butt joint frame 3 is clamped with upper butt joint frame 7, and the bottom end plate of lower butt joint frame 3 is provided with round hole, the top of base 1 is installed with the locating column 4 through bolt, and the locating column 4 penetrates round hole and extends to the top of lower butt joint frame 3 bottom end plate, and the top edge of base 1 is fixedly installed with the protruding plate 5 that protrudes upwards through bolt, the inner wall of protruding plate 5 is connected with two locating bolts 6, and the two locating bolts 6 are aligned in the up-down direction, and the top of upper butt joint frame 7 is installed with the press -fitted mechanism that penetrates to the top end plate below of upper butt joint frame 7.

[0017] In the embodiment: first, the hole groove of one end of connecting rod 18 is aligned with locating column 4, and is inserted, then is screwed two locating bolts 6, until the one end of locating bolt 6 is tightly closed, at this time, the position of connecting rod 18 is fixed, and cannot move, and support 2 supports connecting rod 18, since the top of lower butt joint frame 3 is integrally formed with locating pin at both ends, and the bottom of upper butt joint frame 7 is integrally formed with the locating hole of the opposite joint of locating pin, after connecting rod 18 is fixed, upper butt joint frame 7 is placed in the top of lower butt joint frame 3 through locating pin and locating hole, then snap spring 17 is placed downwards from the top opening of fixed sleeve 8, at this time, snap spring 17 and the hole groove of one end of connecting rod 18 are aligned in the up-down direction, then pay attention to assemble press -fitted mechanism, can top into the hole groove of connecting rod 18 for snap spring 17.

[0018] Please refer to Fig. 1 、 Fig. 2 and Fig. 3 , the press -fitted mechanism includes the fixed sleeve 8 that is integrally formed at the center of the top of upper butt joint frame 7, and the fixed sleeve 8 is provided with butt joint groove 9 on the periphery, and the top of butt joint groove 9 is in the open structure, and the press -fitted mechanism further includes the hollow cylinder 11 that is inserted into the inner wall of fixed sleeve 8, and the outer wall of hollow cylinder 11 is threadedly connected with butt joint bolt 10 that is butt jointed with butt joint groove 9, and the hollow cylinder 11 is in the hollow structure, and the top and bottom ends of hollow cylinder 11 are in the open structure, and the outer wall of hollow cylinder 11 is provided with the limiting slot 12 that is vertically arranged, and the inner wall of limiting slot 12 is communicated with the inner wall of hollow cylinder 11, and the press -fitted mechanism further includes the press spring 14 that is inserted into the inner wall of hollow cylinder 11, and the outer periphery of press spring 14 is threadedly connected with limiting bolt 15, and limiting bolt 15 is slidingly connected to the inner wall of limiting slot 12, and the bottom end of press spring 14 is integrally formed with the four claws 16 that protrude downwards, and the inner wall top of press spring 14 is installed with handle 13, and one end of handle 13 located outside hollow cylinder 11 is in the spherical structure, and the inner wall top of press spring 14 is provided with the accommodating groove that is matched with the outer wall of vertical rod part of handle 13, and the diameter of accommodating groove is greater than the diameter of the inner wall of press spring 14.

[0019] In the embodiment, after the clamping spring 17 is placed, the butt bolt 10 on the hollow cylinder 11 is aligned with the butt groove 9, and the hollow cylinder 11 is moved downward, at this time, the butt groove 9 and the butt bolt 10 position-limit the hollow cylinder 11, thereby avoiding rotation of the hollow cylinder 11, the installed hollow cylinder 11 drives the compression spring 14 and the four claws 16 to be located at the top of the clamping spring 17, then the vertical rod part of the handle 13 is inserted into the accommodating groove at the top of the compression spring 14, at this time, the hemispherical part of the handle 13 is located above the hollow cylinder 11, then a tool is used to hammer the top of the handle 13, the handle 13 is forced to push the compression spring 14 to move downward, the compression spring 14 applies extrusion force to the clamping spring 17 through the four claws 16, thereby achieving the purpose that the clamping spring 17 is installed into the hole groove of the connecting rod 18, when the compression spring 14 moves downward, the compression spring 14 drives the limiting bolt 15 to slide up and down on the inner wall of the limiting groove 12.

[0020] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An engine connecting rod shaft circlip hand press fitting mechanism comprising a base (1), characterized in that, The top end of the base (1) is provided with an upward protruding support (2) by bolt mounting, the top end of the base (1) is provided with an upward protruding lower docking frame (3) by bolt mounting on the side of the support (2), the top end of the lower docking frame (3) is clamped with an upper docking frame (7), a circular hole is formed on the bottom end plate of the lower docking frame (3), the top end of the base (1) is provided with a positioning column (4) by bolt mounting, the positioning column (4) penetrates the circular hole and extends above the bottom end plate of the lower docking frame (3), the edge of the top end of the base (1) is provided with an upward protruding protruding plate (5) by bolt mounting, the inner wall of the protruding plate (5) is threadedly connected with two positioning bolts (6), the two positioning bolts (6) are aligned in the up-down direction, the top end of the upper docking frame (7) is provided with a press-fitting mechanism penetrating below the top end plate of the upper docking frame (7).

2. An engine connecting rod shaft circlip manual press fitting mechanism according to claim 1, characterized in that, The press-fitting mechanism comprises a fixing sleeve (8) integrally formed at the center of the top end of the upper docking frame (7), an docking groove (9) is formed on the outer periphery of the fixing sleeve (8), and the top end of the docking groove (9) is in an open structure.

3. An engine connecting rod shaft circlip manual press fitting mechanism according to claim 2, characterized in that, The press-fitting mechanism further comprises a hollow cylinder (11) inserted into the inner wall of the fixing sleeve (8), a docking bolt (10) is threadedly connected to the outer wall of the hollow cylinder (11) and docks with the docking groove (9), the hollow cylinder (11) is in a hollow structure, and the top end and the bottom end of the hollow cylinder (11) are both in an open structure, a limiting groove (12) is formed on the outer wall of the hollow cylinder (11) and is vertically arranged, and the inner wall of the limiting groove (12) is in communication with the inner wall of the hollow cylinder (11).

4. An engine connecting rod shaft circlip manual press fitting mechanism according to claim 3, characterized in that, The press-fitting mechanism further comprises a compression spring (14) inserted into the inner wall of the hollow cylinder (11), a limiting bolt (15) is threadedly connected to the outer periphery of the compression spring (14), the limiting bolt (15) is slidingly connected to the inner wall of the limiting groove (12) in the up-down direction, and four downward protruding claws (16) are integrally formed at the bottom end of the compression spring (14).

5. An engine connecting rod shaft circlip manual press fitting mechanism according to claim 4, characterized in that, A handle rod (13) is mounted at the top end of the inner wall of the compression spring (14), one end of the handle rod (13) located outside the hollow cylinder (11) is in a spherical structure, a containing groove is formed on the upper side of the inner wall of the compression spring (14) and matches the outer wall of the vertical rod part of the handle rod (13), and the diameter of the docking groove is greater than the diameter of the inner wall of the compression spring (14).

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