CN212803392U

CN212803392U - Gasoline engine for handheld mower

Info

Publication number: CN212803392U
Application number: CN202021135812.4U
Authority: CN
Inventors: 林亚军
Original assignee: Chongqing Xinzong Electromechanical Co ltd
Current assignee: Chongqing Xinzong Electromechanical Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-26
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a gasoline engine for a handheld mower, which comprises a back frame and a gasoline engine main body arranged at the top of the back frame, wherein an oil can is arranged at the bottom end of the gasoline engine main body, an integrated pipe seat is arranged at one end of the oil can, an oil filling port is arranged at the top end of the pipe seat, a screwing cover is connected at the top end of the oil filling port, a detachable connecting mechanism is arranged between the oil filling port and the pipe seat, and the detachable connecting mechanism comprises a first disc arranged at the bottom end of the oil filling port; through the tube socket that sets up to the detachable connection mechanism who comprises first disc, intubate, second disc, screw thread post, jack and seal structure is set up, makes the oiling mouth follow-up appear damaging the back can solitary pull down change, thereby has solved the problem that must pull down the oilcan and carry out whole change to the oilcan among the former device, has reduced the maintenance cost and the maintenance process in later stage by a wide margin, and it is convenient to bring for operating personnel's later maintenance.

Description

Gasoline engine for handheld mower

Technical Field

The utility model belongs to the technical field of the gasoline engine, concretely relates to gasoline engine for hand-held type lawn mower.

Background

The hand-held mower mainly comprises a mowing knife with a disc with teeth, a gasoline engine and the like, power is transmitted to the mowing knife through a flexible shaft arranged in a steel pipe, the gasoline engine is hung on the shoulder and a handle is grabbed to mow when the hand-held mower works, and the gasoline engine is used as a power source of the hand-held mower and is generally arranged on a back frame which can be carried on the shoulder.

The gasoline engine bottom of current hand-held type lawn mower is equipped with one and is used for depositing the oily oilcan of fuel, and the tip of oilcan is equipped with the oil filler point, in the in-service use process, the screw thread on oil filler point top is damaged because of the many times of the rotatory lid that twists easily, thereby lead to twisting the unable smooth screwing of lid, at this moment because current oil filler point and oilcan formula structure as an organic whole, can't pull down the change alone, lead to operating personnel can only disassemble whole gasoline engine, and change whole oilcan, just can solve, make the maintenance cost in later stage higher, and the process is very loaded down with trivial details, there is the drawback, we propose a gasoline engine for hand-held type lawn mower for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gasoline engine for hand-held mower, the gasoline engine bottom of the current hand-held mower who provides in solving above-mentioned background is equipped with one and is used for depositing the oily oilcan, and the tip of oilcan is equipped with the oil filler point, in the in-service use process, the screw thread on oil filler point top is damaged because of the many revolutions of screwing the lid easily, thereby lead to twisting the unable smooth screwing up of lid soon, this moment because current oil filler point and oilcan formula structure as an organic whole, can't pull down the change alone, lead to operating personnel can only disassemble whole gasoline engine, and change whole oilcan, just can solve, make the maintenance cost in later stage higher, and the process is very loaded down with trivial details, there is the drawback problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gasoline engine for hand-held type lawn mower, includes the back of the body frame and installs the gasoline engine main part at back of the body frame top, the bottom of gasoline engine main part is provided with the oilcan, the one end of oilcan is equipped with the tube socket of integral type, and the top of tube socket installs the oil filler point, the top of oil filler point is connected with the twist cap, be equipped with between oil filler point and the tube socket and dismantle coupling mechanism, can dismantle coupling mechanism including setting up the first disc in the oil filler point bottom, the bottom of first disc is provided with the intubate, the top of tube socket is equipped with the second disc of integral type, the surface of first disc evenly is equipped with a plurality of screw thread posts, and the surface of second disc set up with the jack corresponding with the screw thread post, be equipped with seal structure between first disc.

Preferably, the surface of the screwing cover is provided with an integrated semicircular side block, the surface of one side of the oil can is provided with a clamping seat corresponding to the semicircular side block, and a clamping connection mechanism is arranged between the semicircular side block and the clamping seat.

Preferably, the clamping connection mechanism comprises a clamping groove formed in the surface of the clamping seat, the size of the clamping groove corresponds to that of the semicircular side block, arc-shaped limiting clamping blocks are arranged on the inner walls of the two sides of the clamping groove, and circular clamping holes corresponding to the arc-shaped limiting clamping blocks are formed in the semicircular side block in a penetrating mode.

Preferably, the two ends of the clamping groove are provided with inclined easy-to-insert surfaces, and the top ends of the inclined easy-to-insert surfaces extend to the surface of the clamping seat.

Preferably, the sealing structure comprises a sealing ring sleeved on the surface of the insertion pipe, and annular sealing grooves corresponding to the sealing ring are formed in the surface of the second disc and the surface of the first disc.

Preferably, the outer diameter of the insertion pipe is consistent with the inner diameter of the pipe seat, and the insertion pipe is communicated with the oil filling opening.

Preferably, a plurality of nuts and washers corresponding to the threaded columns are provided on one side surface of the second disc, and the inner diameter of the washer is identical to the outer diameter of the threaded column.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the tube socket that sets up to the detachable connection mechanism who comprises first disc, intubate, second disc, screw thread post, jack and seal structure is set up, makes the oiling mouth follow-up appear damaging the back can solitary pull down change, thereby has solved the problem that must pull down the oilcan and carry out whole change to the oilcan among the former device, has reduced the maintenance cost and the maintenance process in later stage by a wide margin, and it is convenient to bring for operating personnel's later maintenance.

2. Through the semi-circular side piece and the cassette that set up, and set up by the draw-in groove, the block coupling mechanism that arc spacing fixture block and circular card hole are constituteed, make the spiral cover back of unscrewing from the top rotation of oiling mouth, can directly block on the surface of oilcan, thereby prevent that the spiral cover from appearing losing at the oiling in-process, also be convenient for simultaneously follow-up operating personnel oiling finishes taking of back to the spiral cover, and when the spiral cover is difficult to unscrew because of rotatory overtightening, operating personnel can pass circular card hole with shaft-like object and come to rotate the spiral cover, it brings the convenience to unscrew the follow-up rotatory of spiral cover to give operating personnel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the area A in FIG. 1 according to the present invention;

FIG. 3 is a sectional view of the oil inlet and the tube seat according to the present invention;

fig. 4 is a partial enlarged view of the area B in fig. 2 according to embodiment 2 of the present invention;

in the figure: 1. a gasoline engine main body; 2. a back frame; 3. an oil can; 4. a tube holder; 5. an oil filling port; 6. screwing the cover; 7. a first disc; 8. a threaded post; 9. a card holder; 10. the easy insertion surface is inclined; 11. a card slot; 12. a second disc; 13. a semicircular side block; 14. a circular clamping hole; 15. a jack; 16. inserting a tube; 17. a seal ring; 18. an annular seal groove; 19. arc spacing fixture block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a gasoline engine for a handheld mower comprises a back frame 2 and a gasoline engine main body 1 arranged at the top of the back frame 2, wherein an oil can 3 is arranged at the bottom end of the gasoline engine main body 1, an integrated pipe seat 4 is arranged at one end of the oil can 3, an oil filling port 5 is arranged at the top end of the pipe seat 4, a screwing cover 6 is connected to the top end of the oil filling port 5 through threads, a detachable connecting mechanism is arranged between the oil filling port 5 and the pipe seat 4 and comprises a first disc 7 arranged at the bottom end of the oil filling port 5, an insertion pipe 16 is arranged at the bottom end of the first disc 7, the oil filling port 5, the first disc 7 and the insertion pipe 16 are of an integrated structure, an integrated second disc 12 is arranged at the top end of the pipe seat 4, a plurality of threaded columns 8 are uniformly arranged on the surface of the first disc 7, the threaded columns 8 and the first disc 7 are of an integrated structure, and insertion holes 15 corresponding, so that the oil filling port 5 can be independently detached and replaced after being damaged later, and a sealing structure is arranged between the first disk 7 and the second disk 12.

In this embodiment, preferably, the sealing structure includes a sealing ring 17 sleeved on the surface of the insertion tube 16, the sealing ring 17 is a fluorine rubber member, annular sealing grooves 18 corresponding to the sealing ring 17 are formed on both the surface of the second disc 12 and the surface of the first disc 7, and the joint between the first disc 7 and the second disc 12 has good sealing performance.

In this embodiment, it is preferable that the outer diameter of the insert pipe 16 is matched with the inner diameter of the socket 4 so that the insert pipe 16 can be smoothly inserted into the socket 4 and the insert pipe 16 communicates with the filler neck 5.

In this embodiment, it is preferable that one side surface of the second disk 12 is provided with a plurality of nuts and washers corresponding to the threaded columns 8, and the inner diameter of the washer is matched with the outer diameter of the threaded column 8, so that the nuts can be screwed more tightly.

Example 2

Referring to fig. 1 to 4, the present invention provides a technical solution: a gasoline engine for a handheld mower comprises a back frame 2 and a gasoline engine main body 1 arranged at the top of the back frame 2, wherein an oil can 3 is arranged at the bottom end of the gasoline engine main body 1, an integrated pipe seat 4 is arranged at one end of the oil can 3, an oil filling port 5 is arranged at the top end of the pipe seat 4, a screwing cover 6 is connected to the top end of the oil filling port 5 through threads, a detachable connecting mechanism is arranged between the oil filling port 5 and the pipe seat 4 and comprises a first disc 7 arranged at the bottom end of the oil filling port 5, an insertion pipe 16 is arranged at the bottom end of the first disc 7, the oil filling port 5, the first disc 7 and the insertion pipe 16 are of an integrated structure, an integrated second disc 12 is arranged at the top end of the pipe seat 4, a plurality of threaded columns 8 are uniformly arranged on the surface of the first disc 7, the threaded columns 8 and the first disc 7 are of an integrated structure, and insertion holes 15 corresponding, so that the oil filling port 5 can be independently detached and replaced after being damaged later, and a sealing structure is arranged between the first disk 7 and the second disk 12.

In this embodiment, preferably, an integrated semicircular side block 13 is disposed on a surface of the screw cap 6, a clamping seat 9 corresponding to the semicircular side block 13 is disposed on a side surface of the oil can 3, the clamping seat 9 and the oil can 3 are integrated, and a clamping connection mechanism is disposed between the semicircular side block 13 and the clamping seat 9.

In this embodiment, preferably, the clamping connection mechanism includes a clamping groove 11 formed in the surface of the clamping seat 9, the size of the clamping groove 11 corresponds to that of the semicircular side block 13, and the inner walls of the two sides of the clamping groove 11 are both provided with arc-shaped limiting clamping blocks 19, the arc-shaped limiting clamping blocks 19 and the clamping seat 9 are of an integral structure, and the arc-shaped limiting clamping blocks 19 and the clamping seat 9 are both made of polyethylene material components, so that the arc-shaped limiting clamping blocks 19 and the clamping seat 9 both have certain elasticity, the circular clamping holes 14 corresponding to the arc-shaped limiting clamping blocks 19 are formed in the semicircular side block 13 in a penetrating manner, the semicircular side block 13 and the screwing cover 6 are both made of polyethylene material components, so that the semicircular side block 13 and the screwing cover 6 both have certain elasticity, and the semicircular.

In this embodiment, preferably, the two ends of the card slot 11 are both provided with the inclined easy-to-insert surfaces 10, and the top ends of the inclined easy-to-insert surfaces 10 extend to the surface of the card seat 9, so that the semicircular side blocks 13 can be more easily pushed into the card slot 11.

The utility model discloses a theory of operation and use flow: when the screw thread at the top end of the oil filling port 5 is damaged due to repeated screwing of the screwing cover 6, an operator only needs to detach the nut at the top end of the threaded column 8 and detach the gasket and then move the oil filling port 5 upwards to cause the insertion pipe 16 to be pulled out from the interior of the tube seat 4, so that the oil filling port 5 can be directly detached and the oil filling port 5 can be independently replaced, the problem that the oil can 3 needs to be detached and the oil can 3 needs to be replaced in the original device is solved, when the oil filling port 5 is subsequently installed, the sealing ring 17 is firstly sleeved on the surface of the insertion pipe 16, then the insertion pipe 16 is inserted into the interior of the tube seat 4, the top end of the threaded column 8 can penetrate through the insertion hole 15, then the gasket and the nut are sequentially sleeved on the top end of the threaded column 8, and finally the nut is screwed up in a rotating mode, so that the first disk 7 and the second disk 12 can be fixed and the oil filling port 5 can, the process of replacing the oil filling port 5 is very simple;

when the screwing cap 6 is difficult to screw down due to over-tightening rotation during previous installation, an operator can use a rod-shaped object with the diameter smaller than the inner diameter of the circular clamping hole 14, penetrate the rod-shaped object through the circular clamping hole 14, then hold the rod-shaped object penetrating through the circular clamping hole 14 to rotate the screwing cap 6, and can easily screw down the screwing cap 6, so that the problem that the screwing cap 6 is difficult to screw down in the original device is solved, and after the screwing cap 6 is rotated and screwed down from the top end of the oil injection port 5, the operator can align the semicircular side block 13 with the clamping groove 11 and push the screwing cap 6 to the clamping seat 9 with force, so that the semicircular side block 13 is pushed into the clamping groove 11, and the arc-shaped limiting clamping block 19 and the semicircular side block 13 are extruded and deformed until the semicircular side block 13 is pushed into the clamping groove 11 and the arc-shaped limiting clamping block 19 is clamped in the circular clamping hole 14, and the semicircular side block 13 can be clamped at the inner side of the clamping groove 11, thereby will revolve the direct card of screw cap 6 on the surface of oilcan 3, can avoid on the one hand to revolve screw cap 6 and appear losing at the oiling in-process, on the other hand accomplishes the oiling operation back when operating personnel, can be quick take to revolve screw cap 6, when needs will revolve screw cap 6 and take off from the surface of oilcan 3, only need will revolve the preceding pulling of screwing cap 6 power, cause semi-circular side piece 13 and the spacing fixture block 19 of arc to receive the extrusion once more and take place deformation, and make semi-circular side piece 13 pulled out from draw-in groove 11, can will revolve screw cap 6 and take off, and install the top at oiling mouth 5 through the mode of rotatory twisting.

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

Claims

1. The utility model provides a gasoline engine for hand-held type lawn mower, includes back of the body frame (2) and installs gasoline engine main part (1) at back of the body frame (2) top, the bottom of gasoline engine main part (1) is provided with oilcan (3), its characterized in that: the one end of oilcan (3) is equipped with tube socket (4) of integral type, and the top of tube socket (4) installs oiling mouth (5), the top of oiling mouth (5) is connected with twist cap (6), be equipped with between oiling mouth (5) and tube socket (4) and dismantle coupling mechanism, can dismantle coupling mechanism including setting up first disc (7) in oiling mouth (5) bottom, the bottom of first disc (7) is provided with intubate (16), the top of tube socket (4) is equipped with second disc (12) of integral type, the surface of first disc (7) evenly is equipped with a plurality of screw thread posts (8), and jack (15) corresponding with screw thread post (8) are seted up on the surface of second disc (12), be equipped with seal structure between first disc (7) and second disc (12).

2. The gasoline engine for the handheld mower according to claim 1, wherein: the surface of the screwing cover (6) is provided with an integrated semicircular side block (13), one side surface of the oil can (3) is provided with a clamping seat (9) corresponding to the semicircular side block (13), and a clamping connection mechanism is arranged between the semicircular side block (13) and the clamping seat (9).

3. The gasoline engine for the handheld mower according to claim 2, wherein: the clamping connection mechanism comprises a clamping groove (11) formed in the surface of the clamping seat (9), the size of the clamping groove (11) corresponds to that of the semicircular side block (13), arc-shaped limiting clamping blocks (19) are arranged on the inner walls of the two sides of the clamping groove (11), and circular clamping holes (14) corresponding to the arc-shaped limiting clamping blocks (19) are formed in the semicircular side block (13) in a penetrating mode.

4. The gasoline engine for the handheld mower according to claim 3, wherein: inclined easy-to-insert faces (10) are arranged at two ends of the clamping groove (11), and the top ends of the inclined easy-to-insert faces (10) extend to the surface of the clamping seat (9).

5. The gasoline engine for the handheld mower according to claim 1, wherein: the sealing structure comprises a sealing ring (17) sleeved on the surface of the insertion pipe (16), and annular sealing grooves (18) corresponding to the sealing ring (17) are formed in the surface of the second disc (12) and the surface of the first disc (7).

6. The gasoline engine for the handheld mower according to claim 1, wherein: the outer diameter of the insertion pipe (16) is consistent with the inner diameter of the pipe seat (4), and the insertion pipe (16) is communicated with the oil filling opening (5).

7. The gasoline engine for the handheld mower according to claim 1, wherein: and a plurality of nuts and washers corresponding to the threaded columns (8) are arranged on one side surface of the second disc (12), and the inner diameter of each washer is consistent with the outer diameter of each threaded column (8).