Travel switch with protection structure

Abstract

The utility model discloses a travel switch with a protection structure, which relates to the technical field of travel switches and comprises a travel switch body, a cover plate and a ruler, the cover plate is arranged at the top end of the travel switch body, and the ruler is arranged at one end, close to the cover plate, of the travel switch body. The two pull rods can drive the locking rod to move and then drive the rectangular frame to enter the travel switch body, so that the two sides of the rectangular frame can be clamped with the T-shaped blocks, the locking rod and the locking groove can be locked by loosening the pull rods, and meanwhile, the sealing gasket on the surface of the rectangular frame can be attached to the interior of the travel switch body. And then the cover plate drives the connecting block to cover the top end of the travel switch body, so that a gap generated during connection can be blocked, the L-shaped rods can drive the limiting block to be separated from the guide frame by pressing the two L-shaped rods, and then the travel switch body can be pulled, so that the position of the travel switch body can be quickly adjusted after installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to travel switch technical field, concretely is a travel switch with protection structure. BACKGROUND

[0002] Travel switch is a kind of switch device for detecting and controlling mechanical component travel, it utilizes the collision of mechanical movement component to make contact to act, to connect or break control circuit, reach the purpose of control mechanical movement position, travel or realize specific function, commonly used as the control device of circuit, realize the opening or closing of electric appliance.

[0003] The existing travel switch when using, due to the cover plate of travel switch when closing will cause gap with inside, so that external water vapor can enter inside along the gap, to cause the electronic components inside travel switch to be easily damaged, so that travel switch is prone to short circuit when using, so that the waterproof effect of travel switch when using is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a travel switch with protection structure to solve the poor protection effect of travel switch in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a travel switch with protection structure, including travel switch body, cover plate and scale, the top of travel switch body is provided with cover plate, one end of travel switch body close to cover plate is equipped with scale, the inside of travel switch body is provided with sealing protection mechanism, sealing protection mechanism includes T-shaped block, rectangular frame and fixed frame, the inside of travel switch body is provided with the T-shaped block of symmetrical distribution, the side close to T-shaped block in the inside of travel switch body is provided with rectangular frame, both sides in the inside of rectangular frame are provided with fixed frame.

[0006] Preferably, the fixed frame is provided with a pull rod extending to the outside, and the pull rod is provided with a locking rod on one side.

[0007] Preferably, the locking rod is provided with a limiting plate on one side, and a first spring is welded and connected between the limiting plate and the fixed frame.

[0008] Preferably, a locking groove is formed in the side close to the locking rod in the T-shaped block, a sealing pad is arranged on the surface of the rectangular frame, and the bottom end of the cover plate is provided with symmetrically distributed connecting blocks.

[0009] Preferably, the stroke switch body bottom is provided with a displacement adjusting mechanism, the displacement adjusting mechanism comprises a mounting plate, a bolt, a guide frame, an adjusting plate, a roller, a cavity, an L-shaped rod, a second spring and a limiting block, the stroke switch body bottom is provided with the mounting plate, and both sides of the mounting plate are provided with the bolt.

[0010] Preferably, the side, close to the bolt, of the mounting plate is provided with the guide frame, the adjusting plate is arranged between the two guide frames, and the top of the mounting plate is provided with the rollers which are symmetrically distributed.

[0011] Preferably, the cavities are formed in the both sides of the adjusting plate, and the L-shaped rod extends to the outside of the adjusting plate in the cavity.

[0012] Preferably, the second spring is welded between the L-shaped rod and the cavity, and the one end of the L-shaped rod is provided with the limiting block.

[0013] Compared with the prior art, the stroke switch with the protection structure has the advantages that: the two pull rods can drive the locking rod to move, then drive the rectangular frame to enter the stroke switch body, so that the two sides of the rectangular frame can be clamped with the T-shaped block, then the pull rod is loosened, the locking rod is locked with the locking groove through the reset effect of the first spring, at the same time, the sealing gasket on the surface of the rectangular frame can be attached to the inside of the stroke switch body, then the connecting block is covered to the top of the stroke switch body through the cover plate, so that the connecting block can extrude the sealing gasket, the sealing gasket can be deformed, and the gap generated during connection can be blocked, so that the stroke switch can have better sealing protection effect during use.

[0014] 1、the stroke switch with the protection structure, the two pull rods are kneaded, so that the pull rod can drive the locking rod to move when moving, then drive the rectangular frame to enter the stroke switch body, so that the two sides of the rectangular frame can be clamped with the T-shaped block, then the pull rod is loosened, the locking rod is locked with the locking groove through the reset effect of the first spring, at the same time, the sealing gasket on the surface of the rectangular frame can be attached to the inside of the stroke switch body, then the connecting block is covered to the top of the stroke switch body through the cover plate, so that the connecting block can extrude the sealing gasket, the sealing gasket can be deformed, and the gap generated during connection can be blocked, so that the stroke switch can have better sealing protection effect during use.

[0015] 2. The travel switch with a protection structure, by pressing two L-shaped rods, the L-shaped rods can extrude the second spring when moving, and the L-shaped rods can drive the limiting block to separate from the guide frame when moving, then the travel switch body can be pulled, the travel switch body can roll on the surface of the roller, when the travel switch body moves to a certain position, the L-shaped rod is loosened, the limiting block can be locked with the guide frame through the reset effect of the second spring, the position of the travel switch body can be quickly adjusted after installation, so that the installation position of the travel switch can be avoided to be disassembled and installed again when the installation position of the travel switch deviates, so that the travel switch can be more convenient when being installed and used. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view cut enlarged view of the utility model;

[0018] Figure 3 It is a top view enlarged view of the rectangular frame of the utility model;

[0019] Figure 4 It is a side view cut enlarged view of the adjusting plate of the utility model;

[0020] Figure 5 It is a front view cut enlarged view of the fixed frame of the utility model.

[0021] In the drawing: 1, travel switch body; 2, cover plate; 3, scale; 4, sealing protection mechanism; 401, T-shaped block; 402, rectangular frame; 403, fixed frame; 404, pull rod; 405, locking rod; 406, limiting plate; 407, first spring; 408, locking groove; 409, sealing gasket; 410, connecting block; 5, displacement adjusting mechanism; 501, mounting plate; 502, bolt; 503, guide frame; 504, adjusting plate; 505, roller; 506, cavity; 507, L-shaped rod; 508, second spring; 509, limiting block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figure 2 , Figure 3 and Figure 5The utility model provides a kind of technical scheme: a travel switch with protection structure, including travel switch body 1, cover plate 2 and scale 3, the top of travel switch body 1 is provided with cover plate 2, travel switch body 1 is close to the end of cover plate 2 and is equipped with scale 3, sealing protection mechanism 4 is provided in travel switch body 1, sealing protection mechanism 4 includes T-shaped block 401, rectangular frame 402 and fixed frame 403, travel switch body 1 is equipped with the T-shaped block 401 of symmetrical distribution, travel switch body 1 is close to the side of T-shaped block 401 and is equipped with rectangular frame 402, both sides in rectangular frame 402 are equipped with fixed frame 403, fixed frame 403 is equipped with pull rod 404 extending to outside side, one side of pull rod 404 is equipped with locking rod 405, one side of locking rod 405 is equipped with limit plate 406, first spring 407 is weldedly connected between limit plate 406 and fixed frame 403, locking groove 408 is equipped in the side of T-shaped block 401 close to locking rod 405, sealing gasket 409 is provided on the surface of rectangular frame 402, cover plate 2 bottom is equipped with the connecting block 410 of symmetrical distribution.

[0024] Referring to Figure 2 、 Figure 3 and Figure 5 It is known that two pull rods 404 are kneaded, so that the pull rod 404 can drive the locking rod 405 to move when moving, and the locking rod 405 can drive the limit plate 406 to move when moving, so that the limit plate 406 can extrude the first spring 407 when moving, and then drive the rectangular frame 402 to enter the inside of the travel switch body 1, so that the two sides of the rectangular frame 402 can be clamped with the T-shaped block 401, and then loosen the pull rod 404, through the reset effect of the first spring 407, the locking rod 405 can be locked with the locking groove 408, so that the rectangular frame 402 can be installed in the travel switch body 1, and the sealing gasket 409 on the surface of the rectangular frame 402 can be attached to the inside of the travel switch body 1, and then the cover plate 2 drives the connecting block 410 to cover the top of the travel switch body 1, so that the connecting block 410 can extrude the sealing gasket 409, so that the sealing gasket 409 can be deformed, and then the gap generated during connection can be blocked, so that the travel switch can have better sealing protection effect when used.

[0025] Referring to Figure 1 and Figure 4It can be known that the travel switch body 1 is provided with the displacement adjusting mechanism 5 at the bottom end, the displacement adjusting mechanism 5 comprises the mounting plate 501, the bolt 502, the guide frame 503, the adjusting plate 504, the roller 505, the cavity 506, the L-shaped rod 507, the second spring 508 and the limiting block 509, the mounting plate 501 is arranged at the bottom end of the travel switch body 1, the mounting plate 501 is provided with the bolt 502 on both sides, the mounting plate 501 is provided with the guide frame 503 on the side close to the bolt 502, the adjusting plate 504 is arranged between the two guide frames 503, the mounting plate 501 is provided with the symmetrically distributed roller 505 at the top end, the cavities 506 are arranged on both sides in the adjusting plate 504, the L-shaped rod 507 is arranged in the cavity 506 and extends to the outside of the adjusting plate 504, the second spring 508 is welded and connected between the L-shaped rod 507 and the cavity 506, and the limiting block 509 is arranged at one end of the L-shaped rod 507.

[0026] Referring to Figure 1 and Figure 4 It can be known that the two L-shaped rods 507 are pressed, so that the L-shaped rod 507 can extrude the second spring 508 when moving, and the limiting block 509 can be moved when the L-shaped rod 507 moves, so that the limiting block 509 can be separated from the guide frame 503 when moving, then the travel switch body 1 can be pulled, so that the travel switch body 1 can roll on the surface of the roller 505, so that the travel switch body 1 can be moved to a certain position, the L-shaped rod 507 is loosened, the limiting block 509 can be locked with the guide frame 503 through the reset effect of the second spring 508, so that the position of the travel switch body 1 can be quickly adjusted after installation, so that the installation position of the travel switch can avoid the need to be disassembled and installed again after the installation position of the travel switch is offset, so that the travel switch can be more convenient when being installed and used.

[0027] In summary, the travel switch is a kind of switch device for detecting and controlling the travel of mechanical parts, when the protection effect of the travel switch is poor, the two pull rods 404 are pinched to drive the locking rod 405 to move, and the locking rod 405 can extrude the limiting plate 406 to extrude the first spring 407 when moving, then the rectangular frame 402 is driven to enter the travel switch body 1, so that the two sides of the rectangular frame 402 can be clamped with the T-shaped block 401, then the pull rod 404 is loosened, the locking rod 405 can be locked with the locking groove 408 through the reset effect of the first spring 407, and the sealing gasket 409 on the surface of the rectangular frame 402 can be attached to the inside of the travel switch body 1, then the cover plate 2 is driven to cover the connecting block 410 to the top end of the travel switch body 1, so that the connecting block 410 can extrude the sealing gasket 409, so that the sealing gasket 409 can be deformed, thereby the gap generated during connection can be blocked, so that the travel switch can have better sealing protection effect when being used, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A travel switch with a protective structure, comprising a travel switch body (1), a cover plate (2) and a scale (3), characterized in that: the top end of the travel switch body (1) is provided with a cover plate (2), the end of the travel switch body (1) close to the cover plate (2) is provided with a scale (3), the inside of the travel switch body (1) is provided with a sealing protection mechanism (4), the sealing protection mechanism (4) comprises a T-shaped block (401), a rectangular frame (402) and a fixed frame (403), the inside of the travel switch body (1) is provided with symmetrically distributed T-shaped blocks (401), the side of the inside of the travel switch body (1) close to the T-shaped block (401) is provided with a rectangular frame (402), and both sides of the inside of the rectangular frame (402) are provided with fixed frames (403).

2. The travel switch with protective structure according to claim 1, wherein: The inside of the fixed frame (403) is provided with a pull rod (404) extending to the outside, and one side of the pull rod (404) is provided with a locking rod (405).

3. The travel switch with protective structure according to claim 2, wherein: One side of the locking rod (405) is provided with a limiting plate (406), and the first spring (407) is welded and connected between the limiting plate (406) and the fixed frame (403).

4. The travel switch with protective structure according to claim 1, wherein: The side of the T-shaped block (401) close to the locking rod (405) is provided with a locking groove (408), the surface of the rectangular frame (402) is provided with a sealing gasket (409), and the bottom end of the cover plate (2) is provided with symmetrically distributed connecting blocks (410).

5. The travel switch with protective structure according to claim 1, wherein: The bottom end of the travel switch body (1) is provided with a displacement adjusting mechanism (5), the displacement adjusting mechanism (5) comprises a mounting plate (501), a bolt (502), a guide frame (503), an adjusting plate (504), a roller (505), a cavity (506), an L-shaped rod (507), a second spring (508) and a limiting block (509), the bottom end of the travel switch body (1) is provided with a mounting plate (501), and both sides of the mounting plate (501) are provided with bolts (502).

6. A travel switch with protective structure according to claim 5, characterized in that: The side of the mounting plate (501) close to the bolt (502) is provided with a guide frame (503), the adjusting plate (504) is arranged between the two guide frames (503), and the top end of the mounting plate (501) is provided with symmetrically distributed rollers (505).

7. The travel switch with protective structure according to claim 6, wherein: Both sides of the inside of the adjusting plate (504) are provided with cavities (506), and the inside of the cavity (506) is provided with an L-shaped rod (507) extending to the outside of the adjusting plate (504).

8. The travel switch with protective structure according to claim 7, wherein: The second spring (508) is welded and connected between the L-shaped rod (507) and the cavity (506), and one end of the L-shaped rod (507) is provided with a limiting block (509).

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