Crank-link mechanism of vertical engine

Abstract

The utility model belongs to the technical field of crank connecting rod mechanisms, and discloses a vertical engine crank connecting rod mechanism which comprises cranks, a crankshaft is connected between the two cranks, the outer wall of the crankshaft is sleeved with a lower shaft sleeve and an upper shaft sleeve, and the top of the upper shaft sleeve is connected with a connecting rod. The connecting rod and the upper shaft sleeve are placed on the upper half portion of the crankshaft, the pull rod is pulled to drive the vertical end of the T-shaped inserting block to move into the T-shaped sliding block, the spring is compressed in the process, then the lower shaft sleeve and the upper shaft sleeve are connected through the T-shaped sliding groove, the pull rod is loosened, and the lower shaft sleeve and the upper shaft sleeve are connected under the elastic force effect of the spring. The bottom end of the T-shaped inserting block penetrates through the bottom of the lower shaft sleeve, rapid butt joint of the lower shaft sleeve and the upper shaft sleeve is achieved, the connecting stability of the lower shaft sleeve and the upper shaft sleeve is improved, the connecting rod is prevented from falling off from the crankshaft, and normal use of the vertical engine is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of crank connecting rod mechanism, concretely relates to a vertical engine crank connecting rod mechanism. BACKGROUND

[0002] The crank connecting rod mechanism is the main movement mechanism of the engine, and its function is to convert the reciprocating motion of the piston into the rotary motion of the crankshaft, and to convert the force acting on the piston into the torque output by the crankshaft to drive the wheels of the motor vehicle to rotate.

[0003] At present, the shaft sleeve for connecting the connecting rod and the crankshaft in the crank connecting rod mechanism is usually connected through bolts and nuts, but the nuts and bolts are prone to falling off during the working process of the crank connecting rod mechanism, which causes the connecting rod to fall off from the crankshaft, affects the normal use of the vertical engine, reduces the practicability of the crank connecting rod mechanism, and in addition, the length of the connecting rod of the existing crank connecting rod mechanism is usually fixed, and the length of the connecting rod can usually be adjusted only by replacing the connecting rod, thereby increasing the limitation of the crank connecting rod mechanism and reducing the convenience of quickly adjusting the length of the connecting rod. SUMMARY

[0004] The utility model aims at providing a vertical engine crank connecting rod mechanism to solve the problems that the connecting rod of the existing crank connecting rod mechanism is prone to falling off from the crankshaft during the working process and is inconvenient to quickly adjust the length of the connecting rod.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vertical engine crank connecting rod mechanism, comprising: a crank, two cranks are connected with a crankshaft, the outer wall of the crankshaft is sleeved with a lower shaft sleeve and an upper shaft sleeve, the top of the upper shaft sleeve is connected with a connecting rod, and the top end of the connecting rod is connected with a piston; a dismounting assembly is arranged between the lower shaft sleeve and the upper shaft sleeve, the dismounting assembly comprises T-shaped sliding grooves, two T-shaped sliding grooves are symmetrically arranged on the top of the lower shaft sleeve, the bottom of the upper shaft sleeve is symmetrically connected with T-shaped sliding blocks matched with the T-shaped sliding grooves, the T-shaped sliding blocks are slidably connected with the T-shaped sliding grooves, the T-shaped sliding grooves are in communication with the two sides of the lower shaft sleeve, the top of the upper shaft sleeve is symmetrically connected with connecting frames on both sides, and mounting grooves are formed on both sides of the top of the upper shaft sleeve, one side of the inner wall of the connecting frame is connected with a spring, one end of the spring is connected with a T-shaped plug, the vertical end of the T-shaped plug penetrates the bottom of the T-shaped sliding block and the lower shaft sleeve, the top of the T-shaped plug is connected with a pull rod, and the top end of the pull rod penetrates the top of the connecting frame.

[0006] Preferably, the outer wall of the connecting rod is provided with an extension assembly, the extension assembly comprises an extension rod, the extension rod is arranged at the top end of the connecting rod, the piston is connected with the top end of the extension rod, the bottom of the extension rod is provided with a slot, the extension rod is inserted into the top of the connecting rod through the slot, and the two sides of the extension rod are penetrated through screw rods.

[0007] Preferably, the top end of the pull rod is connected with a pull ring, and one side of the pull ring is connected with a pull rope.

[0008] Preferably, the outer wall of the vertical end of the T-shaped plug is provided with a rubber pad.

[0009] Preferably, the top side of the upper shaft sleeve is penetrated through and provided with an oil injection hole.

[0010] Preferably, one end of the screw rod is connected with a torsion plate, and a plurality of arc grooves are formed in the edge of the torsion plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) the utility model discloses a quick connecting device for crank connecting rod, which comprises a connecting rod, an upper shaft sleeve, a lower shaft sleeve, a piston, a T-shaped plug, a T-shaped sliding block, a T-shaped sliding slot, a spring, a pull rod and a pull ring.

[0013] (2) the utility model discloses an extension assembly, when the length of the connecting rod needs to be adjusted, the screw rod is screwed, so that one end of the screw rod is separated from the inside of the screw hole, so that the extension rod is released from the limiting position on the connecting rod, then the extension rod is pulled and moved to the appropriate height, the screw rod is screwed, so that the extension rod is limited on the connecting rod, the length of the connecting rod is quickly adjusted, the body of the connecting rod does not need to be replaced, the limitation of the crank connecting rod mechanism is reduced, and the convenience of the crank connecting rod mechanism is improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a side view of the connecting rod of the utility model;

[0016] Figure 3 It is the A place enlarged view of Figure 2 ​

[0017] Figure: 1, crank; 2, crankshaft; 3, lower shaft sleeve; 4, upper shaft sleeve; 5, connecting rod; 6, extension rod; 7, piston; 8, T-shaped sliding groove; 9, T-shaped sliding block; 10, connecting frame; 11, mounting groove; 12, spring; 13, T-shaped plug; 14, pull rod; 15, pull ring; 16, insertion slot; 17, threaded hole; 18, threaded rod; 19, torsion plate; 20, pull rope; 21, oil injection hole; 22, rubber pad; 23, arc groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Referring to Figures 1-3 The utility model provides technical scheme as follows: A kind of vertical engine crank connecting rod mechanism, comprising: crank 1, two crank 1 are connected with crankshaft 2, the outer wall of crankshaft 2 is equipped with lower shaft sleeve 3 and upper shaft sleeve 4, and the top of upper shaft sleeve 4 is connected with connecting rod 5, and the top end of connecting rod 5 is connected with piston 7;Disassembling and assembling component, disassembling and assembling component is arranged between lower shaft sleeve 3 and upper shaft sleeve 4, and disassembling and assembling component includes T-shaped sliding groove 8, two T-shaped sliding grooves 8 are symmetrically opened in the top of lower shaft sleeve 3, and the bottom of upper shaft sleeve 4 is symmetrically connected with T-shaped sliding block 9 matched with T-shaped sliding groove 8, T-shaped sliding block 9 is connected with T-shaped sliding groove 8 between sliding, T-shaped sliding groove 8 is mutually penetrated with the two sides of lower shaft sleeve 3, the top of upper shaft sleeve 4 is symmetrically connected with connecting frame 10, and mounting groove 11 is formed in the two sides of the top of upper shaft sleeve 4, the inner wall of connecting frame 10 is connected with spring 12 on one side, one end of spring 12 is connected with T-shaped plug 13, the vertical end of T-shaped plug 13 is penetrated in T-shaped sliding block 9 and the bottom of lower shaft sleeve 3, and the top of T-shaped plug 13 is connected with pull rod 14, and the top end of pull rod 14 is penetrated in the top of connecting frame 10.

[0020] Through the above technical scheme:

[0021] Specifically, when the lower shaft sleeve 3 and the upper shaft sleeve 4 need to be butt jointed, the connecting rod 5 and the upper shaft sleeve 4 are placed on the upper half of the crankshaft 2, the pull rod 14 is pulled to make the pull rod 14 drive the T-shaped plug 13 to move to the inside of the mounting groove 11, so that the T-shaped plug 13 moves to the inside of the T-shaped sliding block 9. In this process, the spring 12 is compressed, then the lower shaft sleeve 4 and the upper shaft sleeve 3 are connected through the T-shaped sliding groove 8, the pull rod 14 is loosened, and under the elastic force of the spring 12, the bottom end of the T-shaped plug 13 penetrates the bottom of the lower shaft sleeve 3, so that the T-shaped plug 13 limits the position of the lower shaft sleeve 3.

[0022] Further embodiments are provided in this utility model, see below. Figures 1-3 The outer wall of the connecting rod 5 is provided with an extension assembly, which includes an extension rod 6. The extension rod 6 is located at the top of the connecting rod 5. The piston 7 is connected to the top of the extension rod 6. The bottom of the extension rod 6 is provided with a slot 16, and the extension rod 6 is inserted into the top of the connecting rod 5 through the slot 16. The two sides of the extension rod 6 are provided with screws 17, and the two sides of the connecting rod 5 are provided with multiple screw holes 18 that match the screws 17.

[0023] Through the above technical solution:

[0024] Specifically, when it is necessary to adjust the length of the connecting rod 5, screw 18 is turned so that one end of screw 18 is disengaged from the screw hole 17, thereby releasing the extension rod 6 from the limit on the connecting rod 5. Then, the extension rod 6 is pulled to move it to a suitable height, and screw 18 is turned to limit the extension rod 6 on the connecting rod 5.

[0025] Reference Figures 1-3 The top of the pull rod 14 is connected to a pull ring 15, and a pull rope 20 is connected to one side of the pull ring 15. A rubber pad 22 is provided on the outer wall of the vertical end of the T-shaped insert 13. An oil injection hole 21 is provided through one side of the top of the upper bushing 4. A torsion plate 19 is connected to one end of the screw 18. Multiple arc grooves 23 are provided on the edge of the torsion plate 19.

[0026] Through the above technical solution:

[0027] Specifically, the pull ring 15 and pull rope 20 are intentionally provided to facilitate manual upward pulling of the pull rod 14. The rubber pad 22 is provided to increase the friction between the vertical end of the T-shaped insert 13 and the lower bushing 3. The oil injection hole 21 is provided to facilitate the addition of lubricating oil to the interior of the lower bushing 3 and the upper bushing 4. Multiple arc grooves 23 are opened at the edge of the torsion block 19 to facilitate the screw 18.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vertical engine crank-connecting rod mechanism, characterized in that... ,include: Crank (1), a crankshaft (2) is connected between the two cranks (1), a lower bushing (3) and an upper bushing (4) are fitted on the outer wall of the crankshaft (2), a connecting rod (5) is connected to the top of the upper bushing (4), and a piston (7) is connected to the top of the connecting rod (5). The disassembly and assembly assembly is disposed between the lower bushing (3) and the upper bushing (4). The assembly includes T-shaped grooves (8), two of which are symmetrically located on the top of the lower bushing (3). T-shaped sliders (9) matching the T-shaped grooves (8) are symmetrically connected to both sides of the bottom of the upper bushing (4). The T-shaped sliders (9) are slidably connected to the T-shaped grooves (8). The T-shaped grooves (8) are interconnected with both sides of the lower bushing (3). The upper bushing (4)... A connecting frame (10) is symmetrically connected to the top two sides, and an installation groove (11) is provided on both sides of the top of the upper bushing (4). A spring (12) is connected to one side of the inner wall of the connecting frame (10). A T-shaped plug (13) is connected to one end of the spring (12). The vertical end of the T-shaped plug (13) passes through the bottom of the T-shaped slider (9) and the lower bushing (3). A pull rod (14) is connected to the top of the T-shaped plug (13). The top end of the pull rod (14) passes through the top of the connecting frame (10).

2. The vertical engine crankshaft connecting rod mechanism according to claim 1, characterized in that: The outer wall of the connecting rod (5) is provided with an extension assembly, which includes an extension rod (6). The extension rod (6) is located at the top of the connecting rod (5). The piston (7) is connected to the top of the extension rod (6). The bottom of the extension rod (6) is provided with a slot (16), and the extension rod (6) is inserted into the top of the connecting rod (5) through the slot (16). The two sides of the extension rod (6) are provided with screws (18). The two sides of the connecting rod (5) are provided with multiple screw holes (17) that match the screws (18).

3. The vertical engine crankshaft connecting rod mechanism according to claim 1, characterized in that: The top of the pull rod (14) is connected to a pull ring (15), and a pull rope (20) is connected to one side of the pull ring (15).

4. The vertical engine crankshaft connecting rod mechanism according to claim 1, characterized in that: A rubber pad (22) is provided on the outer wall of the vertical end of the T-shaped insert (13).

5. A vertical engine crankshaft connecting rod mechanism according to claim 1, characterized in that: An oil injection hole (21) is provided through one side of the top of the upper bushing (4).

6. A vertical engine crankshaft connecting rod mechanism according to claim 2, characterized in that: One end of the screw (18) is connected to a torsion plate (19), and multiple arc grooves (23) are provided on the edge of the torsion plate (19).

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