CN218866926U - Pressure spring is from reset travel switch structure - Google Patents
Pressure spring is from reset travel switch structure Download PDFInfo
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- CN218866926U CN218866926U CN202222723364.5U CN202222723364U CN218866926U CN 218866926 U CN218866926 U CN 218866926U CN 202222723364 U CN202222723364 U CN 202222723364U CN 218866926 U CN218866926 U CN 218866926U
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- pressure spring
- positioning groove
- push rod
- overstroke
- spring
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Abstract
The utility model discloses a pressure spring is from reset travel switch structure, including head base and contact seat, be provided with in the head base and put thing cavity and shaft hole, wear to be equipped with the pivot in the shaft hole; be provided with waterproof circle, briquetting, overstroke pressure spring and the pressure spring that resets in putting the thing cavity, the pressure spring that resets the inner inserts in the first pressure spring positioning groove, and the overstroke pressure spring the inner inserts in the second pressure spring positioning groove, and overstroke pressure spring outer end is provided with the push rod, the inner an organic whole of push rod is provided with the locking piece, and in the wire spout that the locking piece was aimed at slided into the second pressure spring positioning groove, through rotating the push rod for the spacing joint of locking piece and spacing chimb, and the push rod formed the auto-lock under the spring action of overstroke spring. Above-mentioned technical scheme, structural design is reasonable, simple structure, assembly efficiency are high, convenient to use and practicality are good.
Description
Technical Field
The utility model relates to a travel switch technical field, concretely relates to pressure spring is from reset travel switch structure.
Background
The travel switch utilizes the collision of a mechanical motion part to make a contact act to realize the connection or disconnection of a control circuit, thereby achieving a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke. In practical use, the travel switch is arranged at a prearranged position, and when the module on the mechanical moving part impacts the travel switch, the contact of the travel switch acts to realize the switching of the circuit. The travel switch is widely used for various machine tools and hoisting machinery for controlling the travel and carrying out terminal limit protection.
The traditional travel switch has the problems that the swing rod at the head part has low motion precision and the torsion spring is easy to break, the lug bosses of the torsion spring are mainly used for positioning the centers of two sides of the whole head part, and the deviation directions are frequently arranged at two sides in the production process, so that the manual work needs to be repeatedly positioned and debugged, and the assembly efficiency is low; and current travel switch structure is complicated, need dismantle more screw when installation and maintenance, uses inconveniently, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a pressure spring that structural design is reasonable, simple structure, assembly efficiency are high, convenient to use and practicality are good is from restoring to throne travel switch structure.
In order to achieve the above purpose, the utility model provides a following technical scheme: a pressure spring self-resetting travel switch structure comprises a head base and a contact base, wherein a storage cavity and a shaft hole are formed in the head base, the shaft hole is communicated with the storage cavity, and a rotating shaft penetrates through the shaft hole; the contact base is provided with a contact base switch, a waterproof ring, a pressing block, an over-travel pressure spring and a reset pressure spring are arranged in the storage cavity, a first pressure spring positioning groove is formed in the middle of the outer end face of the pressing block, a positioning convex column is integrally arranged in the middle of the inner bottom face of the first pressure spring positioning groove, a second pressure spring positioning groove is formed in the middle of the outer end face of the positioning convex column, a limiting convex edge is integrally arranged at a groove opening of the positioning convex column, which is located in the second pressure spring positioning groove, and a guide sliding groove is formed in the local position of the limiting convex edge;
the utility model discloses a wire slide that the spring that resets, including the spring that resets, the spring that resets is provided with the spring that resets, and the spring that resets is provided with the spring that resets, in the spring that resets the inner inserts first pressure spring positioning groove, in the spring that overtravel was provided with second pressure spring positioning groove, overtravel pressure spring outer end is provided with the push rod, the inner an organic whole of push rod is provided with the locking piece, the locking piece slides in second pressure spring positioning groove along the wire spout of aiming at, through rotating the push rod for the spacing joint of locking piece and spacing chimb, and the push rod forms the auto-lock under the spring action of overtravel spring.
The utility model discloses further set up to: and a third pressure spring positioning groove is formed in the middle of the inner end face of the push rod, and the outer end of the over-travel pressure spring is inserted into the third pressure spring positioning groove.
The utility model discloses still further set up to: the push rod is sleeved with a cover plate, the cover plate is connected with the head base through screws, a fourth pressure spring positioning groove is formed in the inner end face of the cover plate, and the outer end of the reset pressure spring is inserted into the fourth pressure spring positioning groove.
The utility model discloses still further set up to: the pivot is located and puts thing groove section and is provided with the briquetting constant head tank, the briquetting is installed in the briquetting constant head tank, drives the push rod through rotating the pivot and promotes the contact base switch action.
The utility model discloses still further set up to: the rotation angle of the rotating shaft is 0-85 degrees.
The utility model has the advantages that: compared with the prior art, the utility model has reasonable structure, the lock block is in limit joint with the limit convex edge by rotating the push rod, the push rod forms self-locking under the elastic action of the overtravel spring, the cover plate is connected with the head base through the screw, the structure is simple, and the assembly efficiency is high; and through rotating the pivot, the pivot acts on the push rod, and the push rod promotes the contact seat switch to reach the break-make effect.
The contact base is stable when the rotating angle of the rotating shaft reaches more than 25 degrees, the overtravel spring inside the push rod starts to act, the rotating shaft can continue to rotate to the maximum angle of 85 degrees, the rotating shaft naturally resets after reaching the maximum angle, the reset pressure spring and the overtravel pressure spring are released simultaneously, so that the product is restored to the original state, and the contact base is convenient to use and good in practicability.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram illustrating a partial explosion according to an embodiment of the present invention;
FIG. 3 is an enlarged view of section I of FIG. 2;
fig. 4 is a schematic partial cross-sectional view of an embodiment of the present invention;
fig. 5 is a schematic structural view of a push rod according to an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, the utility model discloses a pressure spring self-resetting travel switch structure, which comprises a head base 1 and a contact base 2, wherein a storage cavity 11 and a shaft hole 12 are arranged in the head base 1, the shaft hole 12 is communicated with the storage cavity 11, and a rotating shaft 3 is arranged in the shaft hole 12 in a penetrating manner; a contact base switch is arranged on the contact base 2, a waterproof ring 4, a pressing block 5, an over-travel pressure spring 6 and a reset pressure spring 7 are arranged in the storage cavity 11, a first pressure spring positioning groove 51 is arranged in the middle of the outer end face of the pressing block 5, a positioning convex column 52 is integrally arranged in the middle of the inner bottom face of the first pressure spring positioning groove 51, a second pressure spring positioning groove 521 is arranged in the middle of the outer end face of the positioning convex column 52, a limiting convex edge 522 is integrally arranged at the position, located at the groove opening of the second pressure spring positioning groove, of the positioning convex column 52, and a guide chute 523 is arranged at the local position of the limiting convex edge 522;
the inner of the reset pressure spring 7 is inserted into the first pressure spring positioning groove 51, the inner of the over-stroke pressure spring 6 is inserted into the second pressure spring positioning groove 521, the outer end of the over-stroke pressure spring 6 is provided with a push rod 8, the inner end of the push rod 8 is integrally provided with a locking block 81, the locking block 81 slides into the second pressure spring positioning groove 521 along the aligned wire sliding groove 523, the locking block 81 and the limiting convex edge 522 are clamped in a limiting mode through rotating the push rod 8, and the push rod 8 forms self-locking under the elastic action of the over-stroke spring 6.
Preferably, the head base 1 and the contact base 2 are fixed by screw connection; the contact base switch and the contact base 2 are integrally arranged or fixedly connected through a screw; the waterproof ring 4 is sleeved on the pressing block 5.
For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment the interior terminal surface middle part of push rod 8 is provided with third pressure spring positioning groove 82, 6 outer ends of overstroke pressure spring insert in the third pressure spring positioning groove 82.
The push rod 8 is sleeved with a cover plate 9, the cover plate 9 is connected with the head base 1 through screws, a fourth pressure spring positioning groove 91 is formed in the inner end face of the cover plate 9, and the outer end of the reset pressure spring 7 is inserted into the fourth pressure spring positioning groove 91.
The rotating shaft 3 is located on the storage groove section and is provided with a pressing block positioning groove 31, the pressing block 5 is installed in the pressing block positioning groove 31, and the rotating shaft 3 is rotated to drive the push rod 8 to push the contact base to move.
The rotation angle of the rotating shaft 3 is 0-85 degrees.
When the automatic locking device is actually used, the locking block is in limit clamping connection with the limit convex edge by rotating the push rod, the push rod forms self locking under the elastic action of the overtravel spring, the cover plate is connected with the head base through the screw, and the automatic locking device is simple in structure and high in assembly efficiency; and through rotating the rotating shaft, the rotating shaft acts on the push rod, and the push rod pushes the contact seat switch, so that the on-off effect is achieved.
The contact base is inside to reach stably more than 25 for pivot turned angle, and the inside overstroke spring of push rod begins the action, and the pivot can continue to rotate and reset naturally after 85 pivots of maximum angle reach the maximum angle, and the pressure spring that resets and overstroke pressure spring release simultaneously, make the product resume original condition, and structural design is reasonable, and convenient to use and practicality are good.
The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.
Claims (5)
1. A pressure spring self-resetting travel switch structure comprises a head base (1) and a contact base (2), wherein a storage cavity (11) and a shaft hole (12) are formed in the head base (1), the shaft hole (12) is communicated with the storage cavity (11), and a rotating shaft (13) penetrates through the shaft hole (12); be provided with contact seat switch on contact seat (2), its characterized in that: a waterproof ring (4), a pressing block (5), an over-stroke pressure spring (6) and a reset pressure spring (7) are arranged in the storage cavity (11), a first pressure spring positioning groove (51) is formed in the middle of the outer end face of the pressing block (5), a positioning convex column (52) is integrally arranged in the middle of the inner bottom face of the first pressure spring positioning groove (51), a second pressure spring positioning groove (521) is formed in the middle of the outer end face of the positioning convex column (52), a limiting convex edge (522) is integrally arranged at a groove of the second pressure spring positioning groove of the positioning convex column (52), and a guide sliding groove (523) is formed in the local position of the limiting convex edge (522);
the utility model discloses a two-stroke compression spring assembly, including reset pressure spring (7), overstroke pressure spring (6), push rod (8), lock piece (81), guide chute (523) that aligns is followed in lock piece (81) slides into second pressure spring positioning groove (521), through rotating push rod (8) to in the inner first pressure spring positioning groove (51) of inserting of overstroke pressure spring (7), overstroke pressure spring (6) the inner, overstroke pressure spring (6) the outer end is provided with push rod (8), push rod (8) the inner an organic whole be provided with lock piece (81), lock piece (81) and spacing chimb (522) spacing joint to push rod (8) form the auto-lock under the spring action of overstroke spring (6).
2. A pressure spring self-resetting travel switch structure according to claim 1, characterized in that: and a third pressure spring positioning groove (82) is formed in the middle of the inner end face of the push rod (8), and the outer end of the over-stroke pressure spring (6) is inserted into the third pressure spring positioning groove (82).
3. A pressure spring self-resetting travel switch structure according to claim 2, characterized in that: the novel reset compression spring is characterized in that a cover plate (9) is sleeved on the push rod (8), the cover plate (9) is connected with the head base (1) through screws, a fourth compression spring positioning groove (91) is formed in the inner end face of the cover plate (9), and the outer end of the reset compression spring (7) is inserted into the fourth compression spring positioning groove (91).
4. A pressure spring self-resetting travel switch structure according to claim 3, characterized in that: the rotating shaft (13) is located on the storage groove section and is provided with a pressing block positioning groove (31), the pressing block (5) is installed in the pressing block positioning groove (31), and the rotating shaft (3) is rotated to drive the push rod (8) to push the contact base to move.
5. The self-resetting travel switch structure of a pressure spring according to claim 4, characterized in that: the rotation angle of the rotating shaft (13) is 0-85 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222723364.5U CN218866926U (en) | 2022-10-17 | 2022-10-17 | Pressure spring is from reset travel switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222723364.5U CN218866926U (en) | 2022-10-17 | 2022-10-17 | Pressure spring is from reset travel switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218866926U true CN218866926U (en) | 2023-04-14 |
Family
ID=87357016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222723364.5U Active CN218866926U (en) | 2022-10-17 | 2022-10-17 | Pressure spring is from reset travel switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218866926U (en) |
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2022
- 2022-10-17 CN CN202222723364.5U patent/CN218866926U/en active Active
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