CN109411170A - A kind of slide rheostat - Google Patents
A kind of slide rheostat Download PDFInfo
- Publication number
- CN109411170A CN109411170A CN201811280492.9A CN201811280492A CN109411170A CN 109411170 A CN109411170 A CN 109411170A CN 201811280492 A CN201811280492 A CN 201811280492A CN 109411170 A CN109411170 A CN 109411170A
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- China
- Prior art keywords
- fixedly connected
- slide
- back side
- plate
- sliding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
Abstract
The invention discloses a kind of slide rheostats, including porcelain cylinder, the left and right sides of the porcelain cylinder are fixedly connected with the opposite face of two partitions respectively, the outer surface of the porcelain cylinder is wound with resistance wire, the outer surface of the resistance wire and the back side of slide plate overlap, the outer surface of metallic rod is arranged in the slide plate, and the left and right ends of metallic rod are fixedly connected with the opposite face of two fixed plates respectively.The slide rheostat, by two handles for pulling left side partition, so that two push plates are mutually separate, so that two push plates drive two fixture blocks mutually separate, so that two fixture blocks are no longer stuck in card slot, the first telescopic device elongated movable slider moves up simultaneously, so that sliding block drives fixed plate to move up, pull two handles of right side partition, so that two fixed plates move up metallic rod is driven to move up simultaneously, so that slide plate is no longer stuck on resistance wire so that it is convenient to which people dismantle and replace resistance wire, so that the working efficiency of people improves.
Description
Technical field
The present invention relates to transformation rheostat technical field, specially a kind of slide rheostat.
Background technique
Slide rheostat is circuit element, it can be by come the resistance that changes itself, to play the work of control circuit
With in circuit analysis, slide rheostat both can be used as a fixed value resistance, can also be used as a resistance-changing resistor.
For present slide rheostat when being commonly used, slide plate can cause certain abrasion to resistance wire, so that people
It is inaccurate when adjusting resistance so that the data inaccuracy of experiment measurement, it is therefore desirable to be carried out more to resistance wire
It changes, however slide plate is stuck on resistance wire, slide plate causes obstruction to the replacement of resistance wire, therefore people are in replacement resistance wire
When it is very inconvenient, it is therefore desirable to people using tool remove slide plate replacement resistance wire, not only waste in this way people time and
Physical strength, and the time for replacing resistance wire is extended, so that the working efficiency of people reduces, and existing sliding variable resistance
Device will appear shaking in being moved through, and influence the stability of slide rheostat.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of slide rheostats, solve present slide rheostat
When being commonly used, slide plate can cause certain abrasion to resistance wire, so that and people are inaccurate when adjusting resistance,
So that the data inaccuracy of experiment measurement, it is therefore desirable to be replaced to resistance wire, however slide plate is stuck on resistance wire
, slide plate causes obstruction to the replacement of resistance wire, therefore people are very inconvenient when replacing resistance wire, it is therefore desirable to which people make
With tool remove slide plate replacement resistance wire, not only waste time and the physical strength of people in this way, and make replace resistance wire when
Between extend so that the working efficiency of people reduces, and existing slide rheostat will appear shaking, shadow in being moved through
The problem of ringing the stability of slide rheostat.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of slide rheostat, including porcelain cylinder, the porcelain
The left and right sides of cylinder are fixedly connected with the opposite face of two partitions respectively, and the outer surface of the porcelain cylinder is wound with resistance wire, institute
The back side of the outer surface and slide plate of stating resistance wire overlaps, and the outer surface of metallic rod, a left side for the metallic rod is arranged in the slide plate
Right both ends are fixedly connected with the opposite face of two fixed plates respectively, the fixed company in the lower surface of the fixed plate and the upper surface of sliding block
It connects, the sliding block is slidably connected in sliding slot, and the sliding slot is provided with the right side of partition, and the upper surface of the sliding block is connected with
First sliding sleeve, is socketed with the first slide bar in first sliding sleeve, the top and bottom end of first slide bar respectively with sliding slot inner wall
Upper and lower surfaces be fixedly connected, the outer surface of first slide bar is socketed with second spring, the top of the second spring
End and bottom end are fixedly connected with the lower surface of the lower surface of the first sliding sleeve and sliding slot inner wall respectively, the front and back of the sliding block
Card slot is offered, the lower surface of the sliding block is fixedly connected with the top of the first telescopic device, first telescopic device
Bottom end is fixed connection to the upper surface of the support plate, and the left side of the support plate is fixedly connected with the right side of partition, it is described every
Fixture block is provided on the right side of plate, the back side of the fixture block is fixedly connected with the front of push plate, the left side of the push plate and partition
Right side overlap joint, the back side of the push plate is fixedly connected with two positive one end of the second telescopic device, and described second stretches
The one end at the device back side is fixedly connected with the front of connecting plate, the fixed company in the left side of the connecting plate and the right side of partition
It connecing, the front of the connecting plate is connected with stretching device, and described positive one end of stretching device is fixedly connected with the back side of push plate,
The one end at the stretching device back side is fixedly connected with the front of handle.
Preferably, first telescopic device includes the first telescopic rod, and the outer surface of first telescopic rod is socketed with the
One spring, the top and bottom end of first telescopic rod and the first spring upper surface with the lower surface of sliding block and support plate respectively
It is fixedly connected.
Preferably, the stretching device includes the second sliding sleeve, and second sliding sleeve is connected to the front of connecting plate, and described the
The second slide bar is socketed in two sliding sleeves, described positive one end of second slide bar is fixedly connected with the back side of push plate, and described second is sliding
The one end at the bar back side is fixedly connected with the front of handle.
Preferably, second telescopic device includes the second telescopic rod, and the outer surface of second telescopic rod is socketed with the
The one end at three springs, second telescopic rod and the positive one end of third spring and the back side respectively with the back side of push plate and connecting plate
Front be fixedly connected.
Preferably, the lower surface of the partition is fixedly connected there are two supporting leg, the lower surface of the supporting leg with it is anti-skidding
The upper surface of pad is fixedly connected.
Preferably, the shape of the fixture block is circle, and the front and back of sliding block is provided with fixture block.
(3) beneficial effect
The present invention provides a kind of slide rheostat, have it is following the utility model has the advantages that
1, slide rheostat, by pulling two handles of left side partition, so that two push plates are mutually separate, so that two
Push plate drives two fixture blocks mutually separate, so that two fixture blocks are no longer stuck in card slot, while the elongation of the first telescopic device drives and slides
Block moves up, so that sliding block drives fixed plate to move up, two handles of right side partition is pulled, so that two fixed plates are same
When move up metallic rod driven to move up so that slide plate is no longer stuck on resistance wire so that it is convenient to people's disassembly and more
Resistance wire is changed, so that the working efficiency of people improves.
2, slide rheostat, by setting the first sliding sleeve and the first slide bar, so that sliding block can be with when moving up and down
The first sliding sleeve is driven to move up and down, so that the first sliding sleeve is moved up and down along the first slide bar, so that sliding block is moving up and down
Shi Buhui shake and it is more stable.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the present invention faces；
Fig. 2 is the structural schematic diagram of left view of the present invention；
Fig. 3 is the structural schematic diagram amplified at A of the present invention.
In figure: 1, slide plate；2, metallic rod；3, resistance wire；4, partition；5, fixed plate；6, sliding slot；7, the first slide bar；8,
One sliding sleeve；9, sliding block；10, card slot；11, the first telescopic device；111, the first spring；112, the first telescopic rod；12, the second bullet
Spring；13, support plate；14, non-slip mat；15, supporting leg；16, stretching device；161, the second slide bar；162, the second sliding sleeve；17,
Hand；18, connecting plate；19, the second telescopic device；191, the second telescopic rod；192, third spring；20, push plate；21, fixture block；22,
Porcelain cylinder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of slide rheostat, including porcelain cylinder 22, porcelain cylinder 22
Left and right sides are fixedly connected with the opposite face of two partitions 4 respectively, and the lower surface of partition 4 is fixedly connected there are two supporting leg
15, the lower surface of supporting leg 15 is fixedly connected with the upper surface of non-slip mat 14, by the way that non-slip mat 14 is arranged, so that sliding becomes
Resistance device can increase the frictional force between supporting leg 15 and desktop when placing on the table, so that slide rheostat will not when placing
It shakes and more stable, the outer surface of porcelain cylinder 22 is wound with resistance wire 3, and the outer surface of resistance wire 3 and the back side of slide plate 1 overlap,
The outer surface of metallic rod 2 is arranged in slide plate 1, and the left and right ends of metallic rod 2 are fixed with the opposite face of two fixed plates 5 respectively to be connected
It connects, by the way that fixed plate 5 is arranged, so that metallic rod 2 will not shake and more stable at work, allows slide plate 1 tight
The outer surface for being stuck in resistance wire 3 caused, the lower surface of fixed plate 5 are fixedly connected with the upper surface of sliding block 9, and sliding block 9 is slidably connected
In sliding slot 6, by setting sliding block 9 and sliding slot 6, so that fixed plate 5 can be with moving down when moving up and down on movable slider 9
It is dynamic, so that sliding block 9 moves up and down in sliding slot 6, so that fixed plate 5 will not shake and more stable when moving up and down,
Sliding slot 6 is provided with the right side of partition 4, and the upper surface of sliding block 9 is connected with the first sliding sleeve 8, and it is sliding that first is socketed in the first sliding sleeve 8
Bar 7, by the first sliding sleeve 8 of setting and the first slide bar 7, so that sliding block 9 can drive the first about 8 sliding sleeve when moving up and down
It is mobile, so that the first sliding sleeve 8 is moved up and down along the first slide bar 7, so that sliding block 9 will not shake and more when moving up and down
Add stabilization, the top and bottom end of the first slide bar 7 are fixedly connected with the upper and lower surfaces of 6 inner wall of sliding slot respectively, the first slide bar 7
Outer surface be socketed with second spring 12, by the way that second spring 12 is arranged so that when fixture block 21 is no longer stuck in card slot 10,
Second spring 12 can extend drive the first sliding sleeve 8 move up, allow sliding block 9 drive fixed plate 5 more easily to
Upper movement, the top and bottom end of second spring 12 are fixed with the lower surface of 6 inner wall of the lower surface of the first sliding sleeve 8 and sliding slot respectively to be connected
It connects, the front and back of sliding block 9 offers card slot 10, the fixed company in the top of the lower surface of sliding block 9 and the first telescopic device 11
It connects, by the way that the first spring 111 is arranged, so that first telescopic device 11 can be stretched when fixture block 21 is no longer stuck in card slot 10
Long band movable slider 9 moves up, so that sliding block 9 drives fixed plate 5 to move up, the first telescopic device 11 includes the first telescopic rod
112, the outer surface of the first telescopic rod 112 is socketed with the first spring 111, the top of the first telescopic rod 112 and the first spring 111 and
Bottom end is fixedly connected with the upper surface of the lower surface of sliding block 9 and support plate 13 respectively, by the way that support plate 13 is arranged, so that the
One telescopic device 11 will not shake at work and more stable, the bottom end of the first telescopic device 11 and the upper surface of support plate 13
It is fixedly connected, the left side of support plate 13 is fixedly connected with the right side of partition 4, and the right side of partition 4 is provided with fixture block 21, is passed through
Fixture block 21 and card slot 10 are set, so that sliding block 9, which is fixed, to be moved up and down when fixture block 21 is stuck in card slot 10, from
And allowing that slide plate 1 is stable to be stuck on resistance wire 3 and will not loosen, the shape of fixture block 21 is circle, and the front of sliding block 9
It is provided with fixture block 21 with the back side, the back side of fixture block 21 is fixedly connected with the front of push plate 20, the left side of push plate 20 and partition 4
Right side overlap joint, the back side of push plate 20 is fixedly connected with two positive one end of the second telescopic device 19, passes through and is arranged second
Telescopic device 19, so that the second telescopic device 19 can drive push plate 20 to move forward when extending, so that push plate 20 drives
Fixture block 21 moves forward so that fixture block 21 is stuck in card slot 10, and the second telescopic device 19 includes the second telescopic rod 191, and second is flexible
The outer surface of bar 191 is socketed with the one of third spring 192, the second telescopic rod 191 and the positive one end of third spring 192 and the back side
End is fixedly connected with the front at the back side of push plate 20 and connecting plate 18 respectively, the one end at 19 back side of the second telescopic device and connecting plate
18 front is fixedly connected, and the left side of connecting plate 18 is fixedly connected with the right side of partition 4, by the way that connecting plate 18 is arranged, from
And make the second telescopic device 19 at work and will not shake and more stable, the front of connecting plate 18 is connected with stretching device
16, stretching device 16 includes the second sliding sleeve 162, and the second sliding sleeve 162 is connected to the front of connecting plate 18, by the way that the second sliding sleeve is arranged
162, so that the second slide bar 161 will not shake and more stable when being moved forward and backward, and it will not generate and rub with connecting plate 18
It wipes and will not be worn, the second slide bar 161 is socketed in the second sliding sleeve 162, by the way that the second slide bar 161 is arranged, so that people
When the second slide bar 161 being pulled to move backward, the second slide bar 161 drives push plate 20 to move backward, so that push plate 20 drives fixture block
21 is mobile, so that fixture block 21 is no longer stuck in card slot 10, so that sliding block 9 can move up and down, and the positive one end of the second slide bar 161
It is fixedly connected with the back side of push plate 20, the one end at 161 back side of the second slide bar is fixedly connected with the front of handle 17, by the way that handle is arranged
Hand 17, so that people can pull the second slide bar 161 to move left and right by handle 17, so that the operation of people is facilitated,
The positive one end of stretching device 16 is fixedly connected with the back side of push plate 20, the one end at 16 back side of stretching device and the front of handle 17
It is fixedly connected.
When work, when needing replacing resistance wire 3, people pull two handles 17 of left side partition 4 manually, so that two
Handle 17 is mutually separate, so that two push plates 20 are mutually separate, so that two push plates 20 drive two fixture blocks 21 mutually separate, so that two
Fixture block 21 is no longer stuck in card slot 10, while 11 elongated movable slider 9 of the first telescopic device moves up, so that sliding block 9 drives
Fixed plate 5 moves up, while pulling two handles 17 of right side partition 4, so that two fixed plates 5 move up drive simultaneously
Metallic rod 2 moves up, so that metallic rod 2 drives slide plate 1 to move up, so that slide plate 1 is no longer stuck on resistance wire 3, in this way
It facilitates people and dismantles and replace resistance wire 3, after resistance wire 3 is replaced, people manually pull down fixed plate 5,
So that fixed plate 5 is moved down with movable slider 9, when sliding block 9 is moved to initial position, two fixture blocks 21 are with phase close to movement
And sticked into two card slots 10 respectively, so that slide plate 1 is stuck on resistance wire 3 again and is fixed.
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.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of slide rheostat, including porcelain cylinder (22), it is characterised in that: the left and right sides of the porcelain cylinder (22) are respectively with two
The opposite face of a partition (4) is fixedly connected, and the outer surface of the porcelain cylinder (22) is wound with resistance wire (3), the resistance wire (3)
The back side of outer surface and slide plate (1) overlaps, and the slide plate (1) is arranged in the outer surface of metallic rod (2), the metallic rod (2)
Left and right ends are fixedly connected with the opposite face of two fixed plates (5) respectively, lower surface and sliding block (9) of the fixed plate (5)
Upper surface is fixedly connected, and the sliding block (9) is slidably connected in sliding slot (6), and the sliding slot (6) is provided with the right side of partition (4)
The upper surface in face, the sliding block (9) is connected with the first sliding sleeve (8), is socketed with the first slide bar (7), institute in first sliding sleeve (8)
The top and bottom end for stating the first slide bar (7) are fixedly connected with the upper and lower surfaces of sliding slot (6) inner wall respectively, and described first is sliding
The outer surface of bar (7) is socketed with second spring (12), the top and bottom end of the second spring (12) respectively with the first sliding sleeve (8)
Lower surface be fixedly connected with the lower surface of sliding slot (6) inner wall, the front and back of the sliding block (9) offers card slot
(10), the lower surface of the sliding block (9) is fixedly connected with the top of the first telescopic device (11), first telescopic device (11)
Bottom end be fixedly connected with the upper surface of support plate (13), the right side of the left side of the support plate (13) and partition (4) is solid
It is fixed to connect, it is provided with fixture block (21) on the right side of the partition (4), the back side of the fixture block (21) and the front of push plate (20) are fixed
Connection, the left side of the push plate (20) and the right side of partition (4) overlap, and the back side of the push plate (20) is stretched with two second
Compression apparatus (19) positive one end is fixedly connected, the one end at the second telescopic device (19) back side and the front of connecting plate (18)
It is fixedly connected, the left side of the connecting plate (18) is fixedly connected with the right side of partition (4), the front of the connecting plate (18)
It is connected with stretching device (16), the positive one end of the stretching device (16) is fixedly connected with the back side of push plate (20), the drawing
The one end for stretching device (16) back side is fixedly connected with the front of handle (17).
2. a kind of slide rheostat according to claim 1, it is characterised in that: first telescopic device (11) includes the
The outer surface of one telescopic rod (112), first telescopic rod (112) is socketed with the first spring (111), first telescopic rod
(112) it is fixed with the upper surface of the top of the first spring (111) and bottom end respectively with the lower surface of sliding block (9) and support plate (13)
Connection.
3. a kind of slide rheostat according to claim 1, it is characterised in that: the stretching device (16) includes second sliding
It covers (162), second sliding sleeve (162) is connected to the front of connecting plate (18), is socketed with second in second sliding sleeve (162)
Slide bar (161), the positive one end of second slide bar (161) are fixedly connected with the back side of push plate (20), second slide bar
(161) one end at the back side is fixedly connected with the front of handle (17).
4. a kind of slide rheostat according to claim 1, it is characterised in that: second telescopic device (19) includes the
The outer surface of two telescopic rods (191), second telescopic rod (191) is socketed with third spring (192), second telescopic rod
(191) and the one end at the positive one end of third spring (192) and the back side respectively with the back side of push plate (20) and connecting plate (18)
Front is fixedly connected.
5. a kind of slide rheostat according to claim 1, it is characterised in that: the lower surface of the partition (4) is fixed to be connected
There are two connecing supporting leg (15), the lower surface of the supporting leg (15) is fixedly connected with the upper surface of non-slip mat (14).
6. a kind of slide rheostat according to claim 1, it is characterised in that: the shape of the fixture block (21) is circle,
And the front and back of sliding block (9) is provided with fixture block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280492.9A CN109411170A (en) | 2018-10-30 | 2018-10-30 | A kind of slide rheostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280492.9A CN109411170A (en) | 2018-10-30 | 2018-10-30 | A kind of slide rheostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109411170A true CN109411170A (en) | 2019-03-01 |
Family
ID=65470537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280492.9A Pending CN109411170A (en) | 2018-10-30 | 2018-10-30 | A kind of slide rheostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109411170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141312A (en) * | 2019-05-28 | 2019-08-20 | 杨晓燕 | A kind of scalpel |
-
2018
- 2018-10-30 CN CN201811280492.9A patent/CN109411170A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141312A (en) * | 2019-05-28 | 2019-08-20 | 杨晓燕 | A kind of scalpel |
| CN110141312B (en) * | 2019-05-28 | 2021-10-22 | 吉林弗朗医疗科技有限公司 | Surgical knife |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190301 |