CN111540643A - Position switch - Google Patents
Position switch Download PDFInfo
- Publication number
- CN111540643A CN111540643A CN202010506658.5A CN202010506658A CN111540643A CN 111540643 A CN111540643 A CN 111540643A CN 202010506658 A CN202010506658 A CN 202010506658A CN 111540643 A CN111540643 A CN 111540643A
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- Prior art keywords
- switch
- pair
- box
- shifting fork
- seat
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- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 7
- 108090000565 Capsid Proteins Proteins 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
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- Push-Button Switches (AREA)
Abstract
A position switch. Relate to the on-off control field, especially relate to a position switch. During operation, the push rod is placed in the through hole of the switch box, and the push rod is lifted to drive the corresponding driving assembly, so that the switch is reliably controlled, and the stability is improved. The driving assembly comprises a box seat, a shifting fork and a roller frame, the box seat is fixedly arranged in the switch box, the shifting fork is arranged in the concave cavity by arranging the concave cavity on the box seat, the positioning pin on the shifting fork is positioned in the first pin hole, the shifting fork can rotate around the positioning pin by the action of the push rod due to the fact that the push rod is connected between the pair of mounting lugs, meanwhile, the box seat is positioned in the roller frame, the box seat is connected with the roller frame through a main pin shaft, the roller frame is connected with the shifting fork through a slave pin shaft, and therefore when the shifting fork rotates, the roller frame can be driven to rotate around the main pin shaft due to the action of the slave pin shaft, and rollers on the. The invention has convenient processing and reliable operation.
Description
Technical Field
The invention relates to the field of switch control, in particular to a position switch.
Background
In the prior art, switch control is used in various situations, such as water level control, and non-liquid level control (i.e. pressure, gravity, push-pull force, rotation moment, etc.), and the switch control realizes switch action through different positions. The floating ball liquid level controller is designed by utilizing the principles of gravity and buoyancy. The high-capacity micro-switch mainly comprises a float body, a high-capacity micro-switch arranged in the float body, a driving mechanism capable of enabling the switch to be in an on-off state, and a three-core cable connected with the switch. When the floating ball rises or falls to a certain angle with the horizontal along with the liquid level under the action of the liquid buoyancy, the driving mechanism in the floating ball body drives the large-capacity microswitch so as to output a switch signal.
However, when the floating ball floats at will, the switch is easy to stop working or misoperation, and the sensitivity is reduced.
Disclosure of Invention
The invention provides a position switch which is simple in structure and reliable in action.
The technical scheme of the invention is as follows: the switch box comprises a switch box, a switch and a driving assembly, wherein the switch is arranged in the switch box, and the driving assembly is used for driving the switch to act;
the driving component comprises a push rod, a box seat, a shifting fork and a roller carrier which are arranged in the switch box, the box seat is fixedly arranged in the switch box,
the box base is rectangular, a concave cavity is arranged in the box base, the concave cavity is trapezoidal with a large left side and a small right side, a through hole penetrating through the box base and the switch box is formed in the bottom of the left side of the concave cavity, a first pin hole is formed in the middle of the right side of the concave cavity,
the left end of the box base, facing the switch, is provided with a triangular convex part, and the convex part is provided with a second pin hole;
the shifting fork is positioned in the concave cavity of the box seat, the shifting fork comprises a shifting fork body, a spring fixing seat, a compression spring and a spring sliding seat, the shifting fork body comprises a frame body, a pair of parallel mounting lugs is arranged on the outer side of one end of the frame body, a first sliding hole and a second sliding hole are sequentially arranged on two sides of the other end of the frame body,
the spring fixing seat, the compression spring and the spring sliding seat are sequentially arranged in the frame body, the spring fixing seat is fixedly arranged at one end of the frame body facing the mounting lug,
the spring sliding seat is connected between the pair of sliding holes I in a sliding mode through a positioning pin, and the positioning pin extends into the pin holes I;
the roller carrier comprises a pair of parallel triangular supporting plates, two supporting rods are arranged between the pair of supporting plates and are positioned at two corner ends of the supporting plates, the supporting rods are connected with rollers which are used for contacting a switch,
a pair of supporting plates are respectively provided with a corresponding master pin hole and a corresponding slave pin hole, the centers of the master pin hole and the slave pin hole are positioned on the same straight line, the master pin hole is positioned between the pair of rollers, the slave pin hole is positioned at the third corner end of the supporting plate,
the box seat is positioned between the pair of supporting plates, the main pin hole corresponds to the second pin hole and is used for placing a main pin shaft, and the auxiliary pin hole corresponds to the second sliding hole and is used for placing an auxiliary pin shaft;
the push rod extends into the through hole from the outside of the switch box and is connected between the pair of mounting lugs.
The box base comprises two symmetrical box base bodies which are connected through screws.
The switch box comprises a front shell and a rear shell, wherein the front shell is communicated with the rear shell, the switch is arranged in the rear shell, and a wiring hole is formed in the front shell.
A pair of symmetrically arranged U-shaped frames is arranged in the rear shell, and the switch is located between the pair of U-shaped frames.
The box seat is arranged between the pair of fixing frames.
The pair of mounting lugs are respectively provided with a connecting hole, a pin shaft is arranged in the connecting holes of the pair of mounting lugs, the push rod is provided with a circular ring, and the circular ring is sleeved on the pin shaft.
During operation, the push rod is placed in the through hole of the switch box, and the push rod is lifted to drive the corresponding driving assembly, so that the switch is reliably controlled, and the stability is improved.
The driving assembly comprises a box seat, a shifting fork and a roller carrier, the box seat is fixedly arranged in the switch box, the shifting fork is arranged in the concave cavity by arranging the concave cavity on the box seat, the positioning pin on the shifting fork is positioned in the first pin hole, and the shifting fork can rotate around the positioning pin by the action of the push rod as the push rod is connected between the pair of mounting lugs,
meanwhile, the box seat is positioned in the roller carrier, the box seat is connected with the roller carrier through a main pin shaft, the roller carrier is connected with the shifting fork through a slave pin shaft,
therefore, when the shifting fork rotates, the roller carrier can be driven to rotate around the main pin shaft due to the action of the auxiliary pin shaft, and the roller on the roller carrier moves along the switch until the shifting fork stops in place.
The invention has convenient processing and reliable operation.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a cross-sectional view taken along plane a-a of figure 1,
figure 3 is a left side view of figure 2,
figure 4 is a schematic view of the action of the roller carriage and fork,
figure 5 is a schematic view of the structure of the cartridge holder,
figure 6 is a cross-sectional view taken along plane B-B of figure 5,
figure 7 is a schematic view of the construction of the fork,
figure 8 is a cross-sectional view taken along plane C-C of figure 7,
figure 9 is a schematic view of the construction of the roller frame,
figure 10 is a top view of figure 9,
FIG. 11 is a schematic diagram of the operation of the present invention;
in the figure, 1 is a switch box, 11 is a front shell, 12 is a rear shell, 13 is a wiring hole, 14 is a U-shaped frame, 15 is a fixed frame,
2 is a switch, and the number 2 is,
3 is a driving component which is used for driving the motor,
31 is a push rod, 310 is a circular ring,
32 is a box seat, 320 is a concave cavity, 321 is a through hole, 322 is a pin hole I, 323 is a convex part, 324 is a pin hole II, 325 is a box seat body, 326 is a screw,
33 is a shifting fork, 331 is a shifting fork body, 332 is a spring fixing seat, 333 is a compression spring, 334 is a spring sliding seat, 335 is a mounting lug, 336 is a sliding hole I, 337 is a sliding hole II, 338 is a positioning pin, 339 is a pin shaft,
34 is a roller frame, 341 is a stay plate, 342 is a support rod, 343 is a roller, 344 is a master pin hole, 345 is a slave pin hole, 346 is a master pin shaft, 347 is a slave pin shaft,
4 is a floating ball;
the arrow in FIG. 11 represents the float raising action.
Detailed Description
The invention is shown in figures 1-11, and comprises a switch box 1, a switch 2 and a driving component 3, wherein the switch is arranged in the switch box, and the driving component is used for driving the switch to act;
the driving component 3 comprises a push rod 31, a box seat 32, a shifting fork 33 and a roller frame 34 which are arranged in a switch box, the box seat is fixedly arranged in the switch box,
the box seat 32 is rectangular, a concave cavity 320 is arranged in the box seat, the concave cavity is trapezoidal with a large left side and a small right side, a through hole 321 penetrating through the box seat and the switch box is arranged at the bottom of the left side of the concave cavity, a first pin hole 322 is arranged in the middle of the right side,
the left end of the box base facing the switch is provided with a triangular convex part 323, and the convex part is provided with a second pin hole 324;
the shifting fork 33 is positioned in the cavity of the box seat, the shifting fork comprises a shifting fork body 331, a spring fixing seat 332, a compression spring 333 and a spring sliding seat 334, the shifting fork body comprises a frame body, a pair of parallel mounting lugs 335 are arranged on the outer side of one end of the frame body, a first sliding hole 336 and a second sliding hole 337 are sequentially arranged on two sides of the other end of the frame body,
the spring fixing seat, the compression spring and the spring sliding seat are sequentially arranged in the frame body, the spring fixing seat is fixedly arranged at one end of the frame body facing the mounting lug,
the spring sliding seat 334 is slidably connected between the pair of first sliding holes through a positioning pin 338, and the positioning pin 338 extends into the first pin hole 322;
the roller frame 34 comprises a pair of parallel triangular supporting plates 341, two supporting rods 342 are arranged between the pair of supporting plates and located at two corner ends of the supporting plates, a roller 343 is connected to the supporting rods and used for contacting a switch (such as a panel switch),
a pair of supporting plates are respectively provided with a corresponding master pin hole 344 and a corresponding slave pin hole 345, the centers of the master pin hole and the slave pin hole are positioned on the same straight line, the master pin hole is positioned between a pair of rollers, the slave pin hole is positioned at the third corner end of the supporting plate,
the box seat is positioned between a pair of supporting plates, the main pin hole corresponds to the second pin hole and is used for placing the main pin shaft 346, and the auxiliary pin hole corresponds to the second sliding hole and is used for placing the auxiliary pin shaft 347;
taking a floating ball in liquid level control as an example, one end of the push rod extends into the through hole from the outside of the switch box and is connected between the pair of mounting lugs, and the other end of the push rod is connected with the floating ball 4.
In operation, the push rod of connecting the floater is placed in the perforation of switch box, and the push rod and corresponding drive assembly are driven through the floater lift, realize the reliable control to the switch, improve stability.
The driving assembly comprises a box seat, a shifting fork and a roller carrier, the box seat is fixedly arranged in the switch box, the shifting fork is arranged in the concave cavity by arranging the concave cavity on the box seat, the positioning pin on the shifting fork is positioned in the first pin hole, and the shifting fork can rotate around the positioning pin 338 by the action of the push rod because the push rod is connected between the pair of mounting lugs,
meanwhile, the box seat is positioned in the roller carrier, the box seat is connected with the roller carrier through a main pin shaft, the roller carrier is connected with the shifting fork through a slave pin shaft,
thus, when the fork is rotated, the slave pin shaft acts to drive the roller frame to rotate around the main pin shaft 346, and the roller on the roller frame moves along the switch until the switch stops.
The shifting fork is moved to the top and the bottom of the concave cavity through the push rod, so that the roller carrier is moved and respectively corresponds to the opening and closing actions of the switch;
when the shifting fork is arranged at the top and the bottom of the concave cavity, the compression spring is unfolded, and the compression spring is extruded in the rotating process.
The cassette holder includes two symmetric cassette holder bodies 325, which are connected by screws 326.
By adopting the combination form of the two box seat bodies, the processing (especially the action of processing a concave cavity) is convenient, and the disassembly and the assembly are reliable.
The processing is convenient, and the layout is reliable; in practical application, the switch performs wiring operation through the wiring hole.
A pair of symmetrically arranged U-shaped frames 14 is arranged in the rear shell, and the switch is positioned between the pair of U-shaped frames.
The switch is convenient, the positioning and the installation are convenient, and the connection is reliable.
The box seat is characterized by further comprising a pair of fixing frames 15, the pair of fixing frames are symmetrically arranged on the rear shell, and the box seat is located between the pair of fixing frames.
Therefore, the box base is convenient to reliably position and fix and is convenient to install.
The pair of mounting lugs 335 are respectively provided with a connecting hole, a pin shaft 339 is arranged in the connecting holes of the pair of mounting lugs, the push rod is provided with a circular ring 310, and the circular ring is sleeved on the pin shaft.
The round ring is arranged on the push rod and sleeved on the pin shaft, so that the push rod can reliably adapt to the movement of the shifting fork when being lifted and moved, and the action is reliable.
The invention can be used in the field of liquid level control and can also be used in the aspect of non-liquid level control, and is convenient to set according to the working requirement.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (6)
1. A position switch is characterized by comprising a switch box, a switch and a driving assembly, wherein the switch is arranged in the switch box, and the driving assembly is used for driving the switch to act;
the driving component comprises a push rod, a box seat, a shifting fork and a roller carrier which are arranged in the switch box, the box seat is fixedly arranged in the switch box,
the box base is rectangular, a concave cavity is arranged in the box base, the concave cavity is trapezoidal with a large left side and a small right side, a through hole penetrating through the box base and the switch box is formed in the bottom of the left side of the concave cavity, a first pin hole is formed in the middle of the right side of the concave cavity,
the left end of the box base, facing the switch, is provided with a triangular convex part, and the convex part is provided with a second pin hole;
the shifting fork is positioned in the concave cavity of the box seat, the shifting fork comprises a shifting fork body, a spring fixing seat, a compression spring and a spring sliding seat, the shifting fork body comprises a frame body, a pair of parallel mounting lugs is arranged on the outer side of one end of the frame body, a first sliding hole and a second sliding hole are sequentially arranged on two sides of the other end of the frame body,
the spring fixing seat, the compression spring and the spring sliding seat are sequentially arranged in the frame body, the spring fixing seat is fixedly arranged at one end of the frame body facing the mounting lug,
the spring sliding seat is connected between the pair of sliding holes I in a sliding mode through a positioning pin, and the positioning pin extends into the pin holes I;
the roller carrier comprises a pair of parallel triangular supporting plates, two supporting rods are arranged between the pair of supporting plates and are positioned at two corner ends of the supporting plates, the supporting rods are connected with rollers which are used for contacting a switch,
a pair of supporting plates are respectively provided with a corresponding master pin hole and a corresponding slave pin hole, the centers of the master pin hole and the slave pin hole are positioned on the same straight line, the master pin hole is positioned between the pair of rollers, the slave pin hole is positioned at the third corner end of the supporting plate,
the box seat is positioned between the pair of supporting plates, the main pin hole corresponds to the second pin hole and is used for placing a main pin shaft, and the auxiliary pin hole corresponds to the second sliding hole and is used for placing an auxiliary pin shaft;
the push rod extends into the through hole from the outside of the switch box and is connected between the pair of mounting lugs.
2. A position switch according to claim 1, wherein said cartridge comprises two symmetrical cartridge bodies, said two cartridge bodies being connected by screws.
3. The position switch of claim 1, wherein the switch box includes a front housing and a rear housing, the front housing and the rear housing being in communication, the switch being disposed within the rear housing, the front housing having wiring holes therein.
4. A position switch according to claim 3, wherein a pair of symmetrically disposed U-shaped brackets are provided in the rear housing, the switch being located between the pair of brackets.
5. The position switch as claimed in claim 3 or 4, further comprising a pair of fixing frames symmetrically disposed on the rear housing, wherein the cartridge holder is located between the pair of fixing frames.
6. A position switch according to any one of claims 1 to 4, wherein a pair of mounting lugs are provided with respective connecting holes, a pin is provided in the connecting holes of the pair of mounting lugs, and the push rod is provided with a ring which is fitted over the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506658.5A CN111540643B (en) | 2020-06-05 | 2020-06-05 | Position switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506658.5A CN111540643B (en) | 2020-06-05 | 2020-06-05 | Position switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111540643A true CN111540643A (en) | 2020-08-14 |
| CN111540643B CN111540643B (en) | 2024-05-31 |
Family
ID=71969709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010506658.5A Active CN111540643B (en) | 2020-06-05 | 2020-06-05 | Position switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111540643B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337617A (en) * | 2007-07-03 | 2009-01-07 | 无锡卓制机械有限公司 | Double-bucket door-opening and closing drive device |
| US20110011718A1 (en) * | 2009-07-15 | 2011-01-20 | Zhongshan Broad-Ocean Motor Co., Ltd. | Operating mechanism for centrifugal switch |
| CN103268833A (en) * | 2013-04-03 | 2013-08-28 | 张家港华捷电子有限公司 | Electric switch |
| CN108807031A (en) * | 2018-06-28 | 2018-11-13 | 山东泰开电力设备有限公司 | A kind of transfer switch unit applied to the switching of tap switch circuit |
| CN212230342U (en) * | 2020-06-05 | 2020-12-25 | 扬州市光泽环境工程有限公司 | Position switch |
-
2020
- 2020-06-05 CN CN202010506658.5A patent/CN111540643B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337617A (en) * | 2007-07-03 | 2009-01-07 | 无锡卓制机械有限公司 | Double-bucket door-opening and closing drive device |
| US20110011718A1 (en) * | 2009-07-15 | 2011-01-20 | Zhongshan Broad-Ocean Motor Co., Ltd. | Operating mechanism for centrifugal switch |
| CN103268833A (en) * | 2013-04-03 | 2013-08-28 | 张家港华捷电子有限公司 | Electric switch |
| CN108807031A (en) * | 2018-06-28 | 2018-11-13 | 山东泰开电力设备有限公司 | A kind of transfer switch unit applied to the switching of tap switch circuit |
| CN212230342U (en) * | 2020-06-05 | 2020-12-25 | 扬州市光泽环境工程有限公司 | Position switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111540643B (en) | 2024-05-31 |
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