CN208871005U - A kind of worm-gear speed reducer of variable gear ratio - Google Patents
A kind of worm-gear speed reducer of variable gear ratio Download PDFInfo
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- CN208871005U CN208871005U CN201821396824.5U CN201821396824U CN208871005U CN 208871005 U CN208871005 U CN 208871005U CN 201821396824 U CN201821396824 U CN 201821396824U CN 208871005 U CN208871005 U CN 208871005U
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- shell
- speed reducer
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Abstract
The utility model relates to speed reducer equipment technical fields, and disclose a kind of worm-gear speed reducer of variable gear ratio, including shell, the right side of the shell is movably installed with drive rod, the left end of the drive rod extends to the inside of shell and the inner wall movable set with shell, successively fixing sleeve is equipped with driving gear from left to right and stable bearing, the upper and lower ends of the stable bearing are fixedly installed with extension block for the outside of the drive rod.The worm-gear speed reducer of the variable gear ratio, the second output rod is driven to move up by moving handle, so that driving gear and the separation of the first linked gear, then fixing sleeve block is moved, so that the second output gear and driving gear intermeshing, to more become the velocity of rotation of output rod, realize the more change of the velocity of rotation of output rod, the flexibility of the speed reducer is significantly increased, a variety of mechanical equipments can be met by, which being allowed to, uses, and significantly increases the use scope of the speed reducer.
Description
Technical field
The utility model relates to speed reducer equipment technical field, specially a kind of worm-gear speed reducer of variable gear ratio.
Background technique
Worm-gear speed reducer is a kind of power transmission mechanism, using the velocity transducer of gear, by the winding number of motor
Desired winding number is decelerated to, and obtains the mechanism of larger torque, in the mechanism for transmitting power and movement, speed reducer
Application range is quite extensive.
For existing speed reducer in order to guarantee the accuracy operated, leading to its internal mechanism is fixing component, in face of current
The changeable requirement of compatible machinery, often seems very powerless, and flexibility is poor, and range of fit is extremely low, while for slowing down
Machine inner gear mechanism is more, causes to be superimposed between gear in the vibration of operation process, or even cause covibration, greatly increase
The abrasion between gear is added, has reduced the service life of gear, therefore has needed a kind of strong flexibility and guarantee that speed reducer uses the longevity
The worm-gear speed reducer of life.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of worm-gear speed reducer of variable gear ratio, has
It the advantages of strong flexibility and guarantee speed reducer service life, solves existing speed reducer to guarantee the accuracy of running, leads
Causing its internal mechanism is fixing component, in face of the changeable requirement of current compatible machinery, often seems very powerless, flexibly
Property it is poor, range of fit is extremely low, at the same for speed reducer inner gear mechanism it is more, lead to the shake between gear in operation process
Fold adds, or even causes covibration, significantly increases the abrasion between gear, reduces the service life problem of gear.
The utility model provides the following technical solutions: a kind of worm-gear speed reducer of variable gear ratio, including shell, described
The right side of shell is movably installed with drive rod, and the left end of the drive rod extends to the inside of shell and lives with the inner wall of shell
Dynamic suit, successively fixing sleeve is equipped with driving gear and stable bearing, the stable bearing from left to right for the outside of the drive rod
Upper and lower ends be fixedly installed with extension block, the internal activity of the extension block is set with cross bar, the left end spiral shell of the cross bar
Line is set with obstruction block, and the right end of the cross bar is fixedly connected with the inner wall of shell, and the exterior face of the driving gear, which engages, to be connected
It is connected to the first linked gear being located at right above driving gear, the inside fixing sleeve of first linked gear is equipped with the first output
Bar, the left end of first output rod extend to the outside of shell, and the right end of first output rod extends to the outside of shell
And fixing sleeve, equipped with adjustment bearing, the right side of the shell offers limiting slot compatible with the first output rod, described outer
The right side of shell offers the mounting groove on the left of limiting slot, and the upper and lower ends of the mounting groove inner cavity are fixedly installed with top
Block is fixedly installed with vertical bar between two jacking blocks, and the external activity of the vertical bar is set with movable block, the movable block
Front is fixedly installed with handle, and the left side fixed connecting rod of first output rod is fixedly connected with the right side of handle, institute
The front for stating shell offers the sliding slot being connected with limiting slot, and the internal activity of the sliding slot is set with the second output rod, institute
The left end for stating the second output rod extends to through shell and extends to the outside of shell, and the outside of the fixing sleeve block is provided with position
The second output gear in the first linked gear back side.
Preferably, the external activity of the cross bar is set with damping spring, the left and right ends of the damping spring respectively with
Side between extension block and shell is fixedly connected.
Preferably, the external activity of the vertical bar is set with buffer spring, the upper and lower ends of the buffer spring respectively and
Side between movable block and jacking block is fixedly connected.
Preferably, first output rod is consistent with the size dimension of the second output rod, first output rod and
Scale is equipped on the left of two output rod outer surfaces.
Preferably, the left end of the drive rod is movably installed with clamping set block, and is clamped the left side and shell for covering block
Inner wall is fixedly connected.
Preferably, the perimeter of first linked gear is twice of the second output gear perimeter, and described first interlocks tooth
Distance value between wheel and the second output gear external teeth mouth is identical.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, the worm-gear speed reducer of the variable gear ratio drives the second output rod to move up by moving handle, so that
Gear and the separation of the first linked gear are driven, fixing sleeve block is then moved, so that the second output gear and driving gear are mutually nibbled
It closes, to more become the velocity of rotation of output rod, realizes the more change of the velocity of rotation of output rod, significantly increase the deceleration
The flexibility of machine, a variety of mechanical equipments can be met by, which being allowed to, uses, and significantly increases the use scope of the speed reducer.
2, the worm-gear speed reducer of the variable gear ratio, by the mutual cooperation of cross bar and damping spring, slow down because
Generated vibration, then reduces driving gear when driving gear and the first linked gear, the second output gear engagement rotation
The external degree of wear, avoid because abrasion and caused by scrap the problem of influencing gear operation accuracy, greatly guarantee
The service life of the speed reducer and the accuracy of operation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model Fig. 1 right side structural representation；
Fig. 3 is the utility model Fig. 1 overlooking structure diagram；
Fig. 4 is structure enlargement diagram at the utility model A.
In figure: 1, shell；2, drive rod；3, gear is driven；4, stable bearing；5, extension block；6, cross bar；7, damping bullet
Spring；8, block is hindered；9, the first linked gear；10, the first output rod；11, scale；12, bearing is adjusted；13, limiting slot；14,
Two output rods；15, fixing sleeve block；16, sliding slot；17, mounting groove；18, jacking block；19, vertical bar；20, movable block；21, handle；22,
Buffer spring；23, the second output gear.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, a kind of worm-gear speed reducer of variable gear ratio, including shell 1, the right side activity of shell 1
It is set with drive rod 2, the left end of drive rod 2 is movably installed with clamping set block, and is clamped the left side of set block and the inner wall of shell 1
It is fixedly connected, to facilitate the switching of the first output rod 10 and the second output rod 14, the speed reducer is turned so that facilitating
Speed is adjusted, and significantly increases the flexibility of the speed reducer, and a variety of mechanical equipments can be met by, which being allowed to, uses, and is greatly increased
The use scope of the speed reducer, the left end of drive rod 2 extend to the inside of shell 1 and the inner wall movable set with shell 1, drive
Successively fixing sleeve is solid equipped with driving gear 3 and stable bearing 4, the upper and lower ends of stable bearing 4 from left to right for the outside of lever 2
Dingan County is equipped with extension block 5, and the internal activity of extension block 5 is set with cross bar 6, and the left end thread bush of cross bar 6 is horizontal equipped with obstruction block 8
The external activity of bar 6 is set with damping spring 7, the left and right ends of damping spring 7 side between extension block 5 and shell 1 respectively
Face is fixedly connected, and using the setting of damping spring 7, slows down the vibration for leading to extension block 5 because of the vibration of stable bearing 4,
Then reduce driving gear 3 outside the degree of wear, avoid because abrasion and caused by scrap influence gear operation it is accurate
Property the problem of, greatly ensure that the service life of the speed reducer and accurate, the inner wall of the right end of cross bar 6 and shell 1 of operation
It is fixedly connected, the exterior face engagement of driving gear 3 is connected with the first linked gear 9 being located at right above driving gear 3, and first connects
The perimeter of moving gear 9 is twice of 23 perimeter of the second output gear, 23 external teeth mouth of the first linked gear 9 and the second output gear
Between distance value it is identical so that the second output gear 23 drive connecting rod revolving speed be the first linked gear 9 drive connecting rod turn
Twice of speed ensure that this has greatly been turned up while the flexibility for increasing the speed reducer in the accuracy after adjustment
The inside fixing sleeve of the accuracy of speed reducer, the first linked gear 9 is equipped with the first output rod 10, and the left end of the first output rod 10 is prolonged
The outside of shell 1 is extended to, the right end of the first output rod 10 extends to the outside of shell 1 and fixing sleeve is equipped with adjustment bearing 12, outside
The right side of shell 1 offers limiting slot 13 compatible with the first output rod 10, the first output rod 10 and the second output rod 14
Size dimension it is consistent, the first output rod 10 and the second output rod are equipped with scale 11 on the left of 14 outer surface, utilize setting
Scale 11 facilitates operator and is observed by scale 11 in the mistake for adjusting the first linked gear 9 and the second output gear 23
The deviation occurred in journey, then quickly adjusts, and greatly ensure that the accuracy of the device, and the right side of shell 1 opens up
There is the mounting groove 17 for being located at 13 left side of limiting slot, the upper and lower ends of 17 inner cavity of mounting groove are fixedly installed with jacking block 18, two tops
Vertical bar 19 is fixedly installed between block 18, the external activity of vertical bar 19 is set with movable block 20, the fixed peace in the front of movable block 20
Equipped with handle 21, the left side fixed connecting rod of the first output rod 10 is fixedly connected with the right side of handle 21, outside vertical bar 19
Portion is movably installed with buffer spring 22, the upper and lower ends of buffer spring 22 side between movable block 20 and jacking block 18 respectively
It is fixedly connected, the front of shell 1 offers the sliding slot 16 being connected with limiting slot 13, and the internal activity of sliding slot 16 is set with second
The left end of output rod 14, the second output rod 14 extends to through shell 1 and extends to the outside of shell 1, fixing sleeve block 15 it is outer
Portion is provided with the second output gear 23 positioned at 9 back side of the first linked gear.
When work, first according to the requirement of the corresponding equipment of reducer gear, the second output is driven by moving handle 21
Bar 14 moves up, so that driving gear 3 and the separation of the first linked gear 9, then move fixing sleeve block 15, so that second is defeated
Gear 23 and driving gear 3 are intermeshed out, so that the velocity of rotation for more having become external connecting rods is allowed to be adapted with corresponding equipment, so
Fixing sleeve block 15 is mutually installed with corresponding equipment afterwards.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of worm-gear speed reducer of variable gear ratio, including shell (1), it is characterised in that: the right side of the shell (1)
It is movably installed with drive rod (2), the left end of the drive rod (2) extends to the inside of shell (1) and lives with the inner wall of shell (1)
Dynamic suit, successively fixing sleeve is described equipped with driving gear (3) and stable bearing (4) from left to right for the outside of the drive rod (2)
The upper and lower ends of stable bearing (4) are fixedly installed with extension block (5), and the internal activity of the extension block (5) is set with cross bar
(6), the left end thread bush of the cross bar (6) equipped with block (8) are hindered, fix by the inner wall of the right end and shell (1) of the cross bar (6)
The exterior face engagement of connection, driving gear (3) is connected with the first linked gear (9) being located at right above driving gear (3),
The inside fixing sleeve of first linked gear (9) is equipped with the first output rod (10), and the left end of first output rod (10) is prolonged
The outside of shell (1) is extended to, the right end of first output rod (10) extends to the outside of shell (1) and fixing sleeve is equipped with adjustment
Bearing (12), the right side of the shell (1) offer compatible limiting slot (13), the shell with the first output rod (10)
(1) right side offers the mounting groove (17) on the left of limiting slot (13), the upper and lower ends of mounting groove (17) inner cavity
It is fixedly installed with jacking block (18), is fixedly installed with vertical bar (19) between two jacking blocks (18), outside the vertical bar (19)
Portion is movably installed with movable block (20), and the front of the movable block (20) is fixedly installed with handle (21), first output rod
(10) left side fixed connecting rod is fixedly connected with the right side of handle (21), and the front of the shell (1) offers and limits
The sliding slot (16) that position slot (13) is connected, the internal activity of the sliding slot (16) are set with the second output rod (14), and described second
The left end of output rod (14) extends to through shell (1) and extends to the outside of shell (1), the outside of the fixing sleeve block (15)
It is provided with the second output gear (23) positioned at the first linked gear (9) back side.
2. a kind of worm-gear speed reducer of variable gear ratio according to claim 1, it is characterised in that: the cross bar (6)
External activity be set with damping spring (7), the left and right ends of the damping spring (7) respectively with extension block (5) and shell (1)
Between side be fixedly connected.
3. a kind of worm-gear speed reducer of variable gear ratio according to claim 1, it is characterised in that: the vertical bar (19)
External activity be set with buffer spring (22), the upper and lower ends of the buffer spring (22) respectively with movable block (20) and jacking block
(18) side between is fixedly connected.
4. a kind of worm-gear speed reducer of variable gear ratio according to claim 1, it is characterised in that: first output
Bar (10) is consistent with the size dimension of the second output rod (14), first output rod (10) and the second output rod (14) appearance
Scale (11) are equipped on the left of face.
5. a kind of worm-gear speed reducer of variable gear ratio according to claim 1, it is characterised in that: the drive rod
(2) left end is movably installed with clamping set block, and the left side for being clamped set block is fixedly connected with the inner wall of shell (1).
6. a kind of worm-gear speed reducer of variable gear ratio according to claim 1, it is characterised in that: described first interlocks
The perimeter of gear (9) is twice of the second output gear (23) perimeter, first linked gear (9) and the second output gear
(23) distance value between external teeth mouth is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396824.5U CN208871005U (en) | 2018-08-29 | 2018-08-29 | A kind of worm-gear speed reducer of variable gear ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396824.5U CN208871005U (en) | 2018-08-29 | 2018-08-29 | A kind of worm-gear speed reducer of variable gear ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871005U true CN208871005U (en) | 2019-05-17 |
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ID=66465927
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396824.5U Active CN208871005U (en) | 2018-08-29 | 2018-08-29 | A kind of worm-gear speed reducer of variable gear ratio |
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| CN (1) | CN208871005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938771A (en) * | 2022-06-27 | 2022-08-26 | 安徽新源农业科技有限公司 | Water and fertilizer integrated irrigation system and method |
-
2018
- 2018-08-29 CN CN201821396824.5U patent/CN208871005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938771A (en) * | 2022-06-27 | 2022-08-26 | 安徽新源农业科技有限公司 | Water and fertilizer integrated irrigation system and method |
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