Pull disc device for improving starting performance of gasoline engine

Abstract

The utility model discloses a pull disc device for improving the starting performance of a gasoline engine, which comprises a cylinder body, a hand pull end is arranged at the bottom end of the cylinder body, and a connecting end is detachably arranged at the bottom end of the hand pull end; one end of the spring is connected with a first soft gasket, and the other end of the spring is connected with a second soft gasket; the reinforcing component comprises a fixing ring, the fixing ring is installed on the outer wall of the second soft gasket, the fixing ring is installed in the connecting end, and the outer diameter of the fixing ring is matched with the inner diameter of the connecting end; a limiting groove is formed in the outer wall of the fixing ring, an expansion screw is rotationally arranged at the connecting end, and the expansion screw can be screwed into the limiting groove. The hand pulling end is provided with an external thread; the utility model has the beneficial effects that through the designed reinforcing part, the firmness of the fixing ring mounted in the connecting end is increased, so that the stability of the second soft gasket arranged at the connecting end is increased, and the second soft gasket is prevented from falling off.

Description

Technical Field

[0001] The utility model belongs to the technical field of starting pull discs, and in particular relates to a pull disc device for improving the starting performance of a gasoline engine. Background Art

[0002] The gasoline engine starter plate is mainly used to start the internal combustion engine and put it into operation from a stationary state; when the internal combustion engine is at a stationary state, the starter plate helps the internal combustion engine overcome static friction and other resistances and start rotating by providing the necessary power.

[0003] A multifunctional gasoline engine starting pull plate with announcement number CN205532978U is disclosed, which includes a pull plate cover, a coil spring, a pull plate and a pull rope. The pull plate cover, the coil spring, the pull plate and the pull rope are installed in a matching manner. The pull plate cover, the coil spring, the pull plate and the pull rope are also included. The pull handle is composed of a hand-pull end and a connecting end. The bottom end of the hand-pull end is detachably connected to the upper end of the connecting end; the lower end of the connecting end is connected to one end of the pull rope, and a buffer device is provided at the connection between the connecting end and the pull rope; a slidable spark plug sleeve is provided at the top of the hand-pull end; the buffer device is composed of a spring and two soft washers, each of which is equipped with a soft washer, the soft washer at one end of the spring is connected to the lower end of the connecting end, and one end of the pull rope passes through the spring and the two soft washers and is connected to the lower end of the connecting end.

[0004] The soft gasket is placed in the connection end, which may become loose and fall off, causing the handle to hit the pull plate cover. Utility Model Content

[0005] The utility model aims to provide a pull plate device for improving the starting performance of a gasoline engine, and the firmness of a soft gasket placed in a connection end is increased by means of a designed reinforcement component.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a pull plate device for improving the starting performance of a gasoline engine, comprising:

[0007] A cylindrical body, wherein a hand-pull end is provided at the bottom end of the cylindrical body, and a connecting end is detachably provided at the bottom end of the hand-pull end;

[0008] A spring, one end of which is connected to a first soft washer, and the other end of which is connected to a second soft washer;

[0009] The reinforcing component comprises a fixing ring, the fixing ring is installed on the outer wall of the second soft gasket, and the fixing ring is installed inside the connecting end, and the outer diameter of the fixing ring matches the inner diameter of the connecting end.

[0010] Preferably, a limiting groove is formed on the outer wall of the fixing ring, and an expansion screw is rotatably provided on the connecting end, and the expansion screw can be screwed into the inside of the limiting groove.

[0011] Preferably, the hand-pull end is provided with an external thread, and the connecting end is provided with an internal thread meshingly connected with the external thread.

[0012] Preferably, a protective gasket is installed at the bottom of the first soft gasket, and a groove is formed at the bottom of the protective gasket.

[0013] Preferably, a screw connected to the first soft washer is arranged in the groove, and the outer diameter of the protective washer is the same as the outer diameter of the first soft washer.

[0014] Preferably, it further comprises a spark plug sleeve, wherein a fastening ring is installed on the outer wall of the spark plug sleeve, and the cylindrical body is sleeved on the spark plug sleeve and fixedly connected to the fastening ring.

[0015] Preferably, it also includes a pull rope, one end of which is connected to the pull plate cover, and the other end of which passes through the first soft washer, the spring, the second soft washer in sequence, and is connected to the connecting end.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By means of the designed reinforcement component, the fixing ring is installed firmly inside the connection end, thereby helping to increase the firmness of the second soft gasket placed on the connection end and prevent the second soft gasket from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0020] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of area A;

[0021] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure of the M region;

[0022] In the figure: 1. pull disc cover; 2. pull rope; 3. spring; 4. spark plug sleeve; 41. fastening ring; 5. cylinder; 51. hand-pull end; 510. external thread; 6. connecting end; 61. expansion screw; 62. internal thread; 71. first soft washer; 72. second soft washer; 8. fixing ring; 81. limiting groove; 9. protective washer; 91. groove; 910. screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0024] See also Figure 1-Figure 3 , which is the first embodiment of the utility model, and provides a pull plate device for improving the starting performance of a gasoline engine, comprising:

[0025] The cylindrical body 5 is provided with a hand-pull end 51 at the bottom end of the cylindrical body 5. The hand-pull end 51 and the cylindrical body 5 are an integrated structure, which helps to increase the strength of the hand-pull end 51 and the cylindrical body 5. The bottom end of the hand-pull end 51 is detachably provided with a connecting end 6. The connecting end 6 can be spliced ​​with the hand-pull end 51 and can be replaced when it is partially damaged, which increases the convenience of use.

[0026] Spring 3, one end of the spring 3 is connected to the first soft washer 71, and the other end is connected to the second soft washer 72, so that the first soft washer 71, the spring 3, and the second soft washer 72 are spliced;

[0027] The reinforcement component includes a fixing ring 8, which is installed on the outer wall of the second soft gasket 72, thereby realizing the addition of the fixing ring 8, and the fixing ring 8 is installed inside the connecting end 6. The outer diameter of the fixing ring 8 matches the inner diameter of the connecting end 6, which helps to increase the stability of the second soft gasket 72 placed on the connecting end 6 through the fixing ring 8; a limiting groove 81 is opened on the outer wall of the fixing ring 8, thereby realizing the opening of the limiting groove 81, and an expansion screw 61 is rotatably arranged on the connecting end 6, and the expansion screw 61 can be screwed into the inside of the limiting groove 81. By tightening the expansion screw 61 and the fixing ring 8, the fixing ring 8 is installed firmly inside the connecting end 6, thereby helping to increase the stability of the second soft gasket 72 placed on the connecting end 6 and avoiding the second soft gasket 72 from falling off.

[0028] In this embodiment, preferably, an external thread 510 is provided on the hand-pull end 51, thereby realizing the addition of the external thread 510, and an internal thread 62 meshingly connected to the external thread 510 is provided on the connecting end 6. The meshing of the internal thread 62 and the external thread 510 improves the firmness of the splicing of the connecting end 6 and the hand-pull end 51, and also facilitates the disassembly of the connecting end 6 and the hand-pull end 51.

[0029] In this embodiment, preferably, a spark plug sleeve 4 is also included, and a fastening ring 41 is fixedly installed on the outer wall of the spark plug sleeve 4. The cylindrical body 5 is sleeved on the spark plug sleeve 4 and connected to the fastening ring 41 by bolts, which helps to increase the stability of the cylindrical body 5 installed on the spark plug sleeve 4.

[0030] In the present embodiment, preferably, a pull rope 2 is further included, one end of which is connected to the pull plate cover 1, and the other end of the pull rope 2 passes through the first soft gasket 71, the spring 3, and the second soft gasket 72 in sequence, and is connected to the connecting end 6, which can prevent the connecting end 6 from causing impact to the pull plate cover 1. Example 2

[0031] See also Figure 1-Figure 4 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0032] A protective gasket 9 is installed at the bottom of the first soft gasket 71, which increases the protection of the first soft gasket 71, and a groove 91 is opened at the bottom of the protective gasket 9 to realize the opening of the groove 91; a screw 910 connected to the first soft gasket 71 is arranged in the groove 91, and the screw 910 is used to increase the firmness of the splicing of the protective gasket 9 and the first soft gasket 71, and it is also convenient to disassemble and replace the protective gasket 9 when it is worn, and the outer diameter of the protective gasket 9 is the same as the outer diameter of the first soft gasket 71.

[0033] It should be noted that the specific structure and working principle of the pull plate cover 1, pull rope 2, spring 3, spark plug sleeve 4, cylinder 5, hand-pull end 51, connecting end 6, first soft gasket 71, and second soft gasket 72 in this application have been disclosed in a multifunctional gasoline engine starting pull plate with announcement number CN205532978U.

[0034] The working principle and use process of the utility model are as follows: when in use, a fixing ring 8 is installed on the outer wall of the second soft washer 72, and the fixing ring 8 is installed inside the connecting end 6 through the cooperation of the expansion screw 61 and the limiting groove 81 to prevent the second soft washer 72 from falling off.

[0035] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pull plate device for improving the starting performance of a gasoline engine, characterized in that: include A cylindrical body (5), wherein a hand-pull end (51) is provided at the bottom end of the cylindrical body (5), and a connecting end (6) is detachably provided at the bottom end of the hand-pull end (51); A spring (3), wherein one end of the spring (3) is connected to a first soft washer (71), and the other end of the spring (3) is connected to a second soft washer (72); A reinforcing component, the reinforcing component comprising a fixing ring (8), the fixing ring (8) being mounted on the outer wall of the second soft gasket (72), and the fixing ring (8) being mounted inside the connecting end (6), and the outer diameter of the fixing ring (8) matching the inner diameter of the connecting end (6); The outer wall of the fixing ring (8) is provided with a limiting groove (81), and an expansion screw (61) is rotatably provided on the connecting end (6), and the expansion screw (61) can be screwed into the interior of the limiting groove (81); The hand-pulling end (51) is provided with an external thread (510), and the connecting end (6) is provided with an internal thread (62) meshingly connected to the external thread (510); A protective gasket (9) is installed at the bottom of the first soft gasket (71), and a groove (91) is provided at the bottom of the protective gasket (9); A screw (910) connected to the first soft washer (71) is arranged in the groove (91), and the outer diameter of the protective washer (9) is the same as the outer diameter of the first soft washer (71).

2. A pull plate device for improving the starting performance of a gasoline engine according to claim 1, characterized in that: It also includes a spark plug sleeve (4), the outer wall of which is mounted a fastening ring (41), and the cylindrical body (5) is sleeved on the spark plug sleeve (4) and fixedly connected to the fastening ring (41).

3. A pull plate device for improving the starting performance of a gasoline engine according to claim 1, characterized in that: It also comprises a drawstring (2) and a pull-plate cover (1), wherein one end of the drawstring (2) is connected to the pull-plate cover (1), and the other end of the drawstring (2) passes through the first soft washer (71), the spring (3), the second soft washer (72) in sequence, and is connected to the connecting end (6).

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