CN1654853A

CN1654853A - Gear box structure of horticultural equipment

Info

Publication number: CN1654853A
Application number: CNA2004100049527A
Authority: CN
Inventors: 黄昱翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-13
Filing date: 2004-02-13
Publication date: 2005-08-17
Anticipated expiration: 2024-02-13
Also published as: CN100357634C

Abstract

This invention relates to gardening machine gear case structure, which comprises the following parts: one shell with one container space inside; one drive gear in the container space driven by one force for rotation; one bias axis device in the container space and connected to the drive gear to drive the knife of the said machine; one assistant lubricate leaf in the container bottom and tightly connected to the bias axis to drive the bias axis device, wherein the assistant lubricate leaf has several arc grooves for lubricate function.

Description

The gear box structure of gardening facility

Technical field

The present invention is relevant with the gardening facility, is meant a kind of gear box structure of justifying the skill facility in detail.

Background technique

By the gear-box of general portable type lawnmower, must inject lubricant oil (being generally butter) and be lubricated, to avoid gear because of overheated or frictional force is excessive is damaged.

But gear-box with general portable type lawnmower, constituted by gear and connecting rod that a housing and is placed in this housing, lubricant oil is then flow in it by housing top, make gear and connecting rod can obtain the lubrication effect of lubricant oil in good time, but work as gear and connecting rod after a period of time in running, or after lawnmower leaves standstill a period of time, lubricant oil in gear-box just can be deposited on below the enclosure interior, make gear and the connecting rod of this moment just can't obtain the lubrication effect of appropriate lubricant oil, and gear-box very easily is damaged.

Summary of the invention

Main purpose of the present invention is to provide a kind of gear box structure of gardening facility, can often protect gear-box and have suitable lubrication effect.

Another object of the present invention is to provide a kind of gear box structure of justifying the skill facility, can avoid the interior gear of gear-box in the running, the lubricant oil in it has the situation that is deposited on the bottom to take place.

For achieving the above object, the invention provides a kind of gear box structure of gardening facility, it consists predominantly of:

One housing, this enclosure interior is formed with a containing space;

One driving gear places this containing space, and driven by an external force and rotate;

One off-axis device places this containing space, and is connected with this driving gear, and can be subjected to this driving gear to drive the cutter start of aforementioned facility with moving;

One lubrication assistant blade, place the bottom of this containing space, and closely be connected with this off-axis device, make the interlock that can be subjected to this off-axis device and rotate, this lubrication assistant blade has several arc ditches, can when rotation, the lubricant oil of position in this containing space bottom be directed on this off-axis device and the driving gear, with the effectiveness that is lubricated.

This housing wherein, have a upper shell cover and a lower cover, this upper and lower cap communicates with this containing space and is communicated to extraneous transmission space in its inner this containing space and that forms after mutually combining, and makes this transmission space can be ccontaining and drive this driving gear and rotate for a power source; This upper shell cover is formed with Wang's oilhole of this containing space of connection, can inject for lubricant oil.

Wherein also have one against plate, should be against the plate position between this driving gear and this off-axis device, this is one to have the sheetmetal of redetermined rigidity against plate.

Wherein the driving gear center is formed with an internal thread segment; This lubrication assistant blade has a positioning hole; This off-axis device has two eccentric wheels and two transmission poles; This each eccentric wheel has an axle center bar and a follower respectively, this each axle center bar is fixed in respectively on the end face of this each follower, and the position is at non-shaft core position place, the other end of this each follower is then with its local applying mutually, this each axle center bar is positioned on the same shaft axis, wherein on the eccentric axle center bar periphery and be formed with an external thread section, and the internal thread segment of this external thread section and this driving gear can be spirally connected, on the follower end face of another axle center bar and this follower, and protruded out one the location projection, and can with this positioning hole socket; This two interlocks pole, have a connecting end and respectively and do the moved end, be formed with the attachment hole of an aperture on this each connecting end greater than this follower wheel footpath, this each follower is placed on respectively in this each attachment hole, and connect by roller bearing, this follower pivots to make this each transmission pole can distinguish relatively, and this respectively does the moved end then in order to be connected with the cutter of lawnmower.

Wherein this lubrication assistant blade is made by metal plate.

Wherein the central position of this lubrication assistant blade is formed with a straight part, this each arc ditch extends outward from the outer rim of this straight part and forms, and the two ends ditch of this each arc ditch footpath gradually by the one end toward the other end territory of contracting, and be lower than position than ditch footpath one end than the end position in major groove footpath.

Wherein the outer rim of this each arc ditch is extended with a guide plane respectively outward, makes lubricant oil to be directed on this guide plane by this each arc ditch, by this guide plane lubricant oil is transferred on this off-axis device and the driving gear, with the effect that is lubricated again.

Wherein also form a depressed area on the two opposite end faces of this driving gear respectively, this each depressed area around the center outside an intended distance sentence predetermined depth and extend an intended distance outward and form, make this main body position thickness in the depressed area than the thickness on every side that reaches teeth around the central hole for thin, and, be formed with several logical open-works that passes through two depressed areas in this position in this depressed area.

The lubricating blade that a kind of gear-box provided by the invention is used places the bottom in the aforesaid gears case, and driven by gear in this gear-box and rotate; It consists predominantly of:

One straight part combines with aforesaid gear;

Some arc ditches, this each arc ditch extend outward from the outer rim of this straight part and form, and the ditch footpath, two ends of this each arc ditch gradually by the one end toward the other end reduction, and be lower than position than ditch footpath one end than the end position in major groove footpath;

Some guide planes, this each guide plane are to extend outward from the outer rim of this each arc ditch respectively to form, and be contour with the position of this straight part approximately, makes and can the lubricant oil in the gear-box be guided to the top by this each arc ditch.

Description of drawings

For deep understanding and approval being arranged, enumerate following preferred embodiment, and conjunction with figs. is illustrated in the back to special efficacy of the present invention and purpose:

Fig. 1 is the three-dimensional combination figure of a preferred embodiment of the present invention.

Fig. 2 is the three-dimensional exploded view of preferred embodiment shown in Figure 1.

Fig. 3 is the sectional view of preferred embodiment shown in Figure 1.

Fig. 4 is the local member stereogram of preferred embodiment shown in Figure 1.

Fig. 5 and Fig. 6 are the illustrative view of preferred embodiment shown in Figure 1.

Fig. 7 is the cross-sectional schematic of preferred embodiment shown in Figure 1 under user mode.

Embodiment

See also Fig. 1 to shown in Figure 3, for a preferred embodiment of the present invention provides a kind of gear box structure (100) of gardening facility, it consists predominantly of a housing (10), a driving gear (20), against plate (30), an off-axis device (40) and a lubrication assistant blade (60);

This housing (10), have a upper shell cover (11) and a lower cover (12), this upper and lower cap (11,12) is by the mutual interlocking of some screws, and this upper and lower cap (11,12) can be formed with the transmission space (14) that a containing space (13) and communicates with this containing space (13) and is communicated to the external world in its inside behind mutual interlocking.

This driving gear (20), has gear body in the form of annular discs without exception (21), then be formed with the teeth (22) that are predetermined kenel on this main body (21) periphery, the center position of this main body (21) is formed with a logical central hole (23) of passing through two opposite end faces, the hole wall of this central hole (23) then is formed with an internal thread segment (231), also form a depressed area (24) on the two opposite end faces of this main body (11) respectively, this each depressed area (24) this central hole (23) outer on every side one predetermined distance is certainly extended an intended distance outward with predetermined depth and is formed, making this main body (21) position thickness in depressed area (24) reach teeth (22) on every side than central hole (23) will come thinly on every side, and, be formed with several logical open-works (25) that passes through two depressed areas (24) in the position of this main body (21) position in this depressed area (24).

Should be against plate (30), has a plate main body (31), this main body (31) is one to have the sheetmetal of redetermined rigidity, its external diameter is less than depressed area (24) width of this driving gear (20), its center position then is formed with a perforation (32), this plate main body (31) also is formed with several through holes (33) in the intended distance place on every side from this perforation (32), and can should be positioned in the wherein depressed area (24) of this driving gear (20), and make this perforation (32) relative with this central hole (23) and be communicated with against plate (30).

This off-axis device (40) has two eccentric wheels (41,42) and two transmission poles (43,44); This each eccentric wheel (41,42) has an axle center bar (411 respectively, 421) and a follower (412,422), this each axle center bar (411,421) be fixed in this each follower (412 respectively, 422) on the end face, and the position is at non-shaft core position place, the other end of this each follower is then with its local applying mutually, make this each axle center bar (411,421) be positioned on the same shaft axis, wherein on axle center bar (411) periphery of an eccentric wheel (41) and be formed with an external thread section (413), and the internal thread segment (231) of this external thread section (413) with this driving gear (20) can be spirally connected, and should pull between this off-axis device (40) and this driving gear (20) against plate (30) folder, and with follower (422) end face that another axle center bar (421) is connected on, and protruded out a location projection (423).This two interlocks pole (43,44), have a connecting end (431) (441) and respectively and do moved end (432) (442), this each connecting end (431,441) be formed with an aperture on greater than this follower (412,422) attachment hole (433 in wheel footpath, 443), this each follower (412,422) be placed on this each attachment hole (433 respectively, 434) in, and connect by roller bearing, make this each transmission pole (43,44) can distinguish this follower (412 relatively, 422) pivot, this respectively does moved end (432,442) then cutting careless cutter (70) with one of lawnmower respectively is connected (referring to Fig. 5, Fig. 6).

This lubrication assistant blade (60), made by a metal plate, its center position is formed with a central shaft hole (61), the aperture of this central shaft hole (61) is slightly larger than the external diameter of this axle center bar (421), and this central shaft hole (61) periphery is extended with the straight part (62) of a predetermined diameter and scope outward certainly, and in the position of this straight part (62) corresponding to this follower (422) positioning convex column (423), be formed with a positioning hole (621), on the outer rim of this straight part (62), and be extended with several arc ditches (63) outward, the ditch footpath, two ends of this each arc ditch (63) is reduced toward the other end by the one end gradually, and be lower than position than ditch footpath one end than the end position in major groove footpath, the outside of this each arc ditch (63) is then respectively toward being extended with a guide plane (64), and an axle center bar (421) of this off-axis device (40) can be inserted in this central shaft hole (61), and the positioning convex column (423) of this off-axis device (40) penetrated in this positioning hole (621), make this lubrication assistant blade (60) can with this off-axis device (40) with moving.

The above-mentioned introduction that is main composition important document of the present invention, now are as follows with its usage mode and The characteristics again:

At first, in the oil hole (111) by this upper shell cover (11), lubricant oil is flow in this containing space (13), as Fig. 5 and shown in Figure 7, when a gear (not shown) transmission that is subjected to the position when this driving gear (20) in transmission space (14), this driving gear (20) just can drive this each axle center bar (411 simultaneously, 421) and this each follower (412,422) rotation, this moment this each follower (412,422) just can carry out deflection and be with this each transmission pole (43,44) pivot, make and this each transmission pole (43, what 44) connect cuts careless cutter (70) and just can carry out the displacement of straight line, and with the two interlaced horticulture-workings such as grass or beta pruning of cutting of cutter portion of cutting careless cutter; This moment, the position then can be subjected to this follower (412 simultaneously at the lubrication assistant blade (60) of containing space (13) bottom, 422) drive and being rotated, as shown in Figure 4, make the lubricant oil of position in containing space (13) bottom, just can be guided (institute dug) by this each arc ditch (63) and caused on this each guide plane (64), be directed to the lubricant oil on the guide plane (64) this moment, just the centrifugal action in the time of can being subjected to lubrication assistant blade (60) rotation, and throwing is to teeth (22) and this each follower (412 of this driving gear (20), 422) with this each transmission pole (43, between tie point 44), increasing lubricated effect, and avoid lubricant oil to have being deposited on the situation of containing space (12) bottom simultaneously.

In addition, in the foregoing description, utilize positioning hole on the blade interlock that combines with the last positioning convex column of follower, but also can utilize a rubbery loop or other similar article to be resisted against on the bearing of the straight part of this blade and lower cover, so also can utilize the tightly power of pulling of rubbery loop to force this follower to drive this blade rotation, and can save the member of positioning hole and positioning convex column, and when support meeting bigger resistance as this blade, also can impel this blade not rotate, to avoid causing damage with this follower.

Claims

1. the gear box structure of gardening facility, it consists predominantly of:

One housing, this enclosure interior is formed with a containing space;

2. according to the gear box structure of the described gardening facility of claim 1, it is characterized in that, this housing wherein, have a upper shell cover and a lower cover, this upper and lower cap is after mutually combining, communicate with this containing space and be communicated to extraneous transmission space in its inner this containing space and that forms, make this transmission space can be ccontaining and drive this driving gear and rotate for a power source; This upper shell cover is formed with Wang's oilhole of this containing space of connection, can inject for lubricant oil.

3. according to the gear box structure of the described gardening facility of claim 1, its feature wherein also has one against plate, should be against the plate position between this driving gear and this off-axis device, this is one to have the sheetmetal of redetermined rigidity against plate.

4. according to the gear box structure of the described gardening facility of claim 1, it is characterized in that wherein the driving gear center is formed with an internal thread segment; This lubrication assistant blade has a positioning hole; This off-axis device has two eccentric wheels and two transmission poles; This each eccentric wheel has an axle center bar and a follower respectively, this each axle center bar is fixed in respectively on the end face of this each follower, and the position is at non-shaft core position place, the other end of this each follower is then with its local applying mutually, this each axle center bar is positioned on the same shaft axis, wherein on the eccentric axle center bar periphery and be formed with an external thread section, and the internal thread segment of this external thread section and this driving gear can be spirally connected, on the follower end face of another axle center bar and this follower, and protruded out one the location projection, and can with this positioning hole socket; This two interlocks pole, have a connecting end and respectively and do the moved end, be formed with the attachment hole of an aperture on this each connecting end greater than this follower wheel footpath, this each follower is placed on respectively in this each attachment hole, and connect by roller bearing, this follower pivots to make this each transmission pole can distinguish relatively, and this respectively does the moved end then in order to be connected with the cutter of lawnmower.

5. according to the gear box structure of the described gardening facility of claim 1, it is characterized in that wherein this lubrication assistant blade is made by metal plate.

6. according to the gear box structure of the described gardening facility of claim 1, it is characterized in that, wherein the central position of this lubrication assistant blade is formed with a straight part, this each arc ditch extends outward from the outer rim of this straight part and forms, and the two ends ditch of this each arc ditch footpath gradually by the one end toward the other end territory of contracting, and be lower than position than ditch footpath one end than the end position in major groove footpath.

7. according to the gear box structure of the described gardening facility of claim 6, it is characterized in that, wherein the outer rim of this each arc ditch is extended with a guide plane respectively outward, make and by this each arc ditch lubricant oil to be directed on this guide plane, by this guide plane lubricant oil is transferred on this off-axis device and the driving gear, with the effect that is lubricated again.

8. according to the gear box structure of the described gardening facility of claim 1, it is characterized in that, wherein also form a depressed area on the two opposite end faces of this driving gear respectively, this each depressed area around the center outside an intended distance sentence predetermined depth and extend an intended distance outward and form, make this main body position thickness in the depressed area than the thickness on every side that reaches teeth around the central hole for thin, and, be formed with several logical open-works that passes through two depressed areas in this position in this depressed area.

9. lubricating blade that gear-box is used places the bottom in the aforesaid gears case, and driven by gear in this gear-box and rotate; It consists predominantly of:

One straight part combines with aforesaid gears;