Guide rail type travel switch

Abstract

The utility model relates to the technical field of travel switches, and discloses a guide rail type travel switch, which comprises a mounting plate, a fixing frame, a travel switch body, a mounting mechanism and an adjusting device, the fixing frame is arranged at the upper end of the mounting plate, the travel switch body is arranged at the upper end of the mounting plate, the mounting mechanism is arranged in the fixing frame, and the adjusting device is arranged in the fixing frame. The adjusting device is arranged in the mounting plate; the mounting mechanism comprises a mounting block, a mounting cavity, a movable column, a spring, a moving block, a sliding groove, a connecting rod, a positioning rod, a positioning hole and a fixing block. According to the guide rail type travel switch, through the arrangement of the mounting mechanism, the mounting block can be quickly fixed in the fixing frame, and the mounting block can be quickly disassembled, so that the travel switch body can be conveniently mounted and disassembled, the convenience of replacing and maintaining the travel switch body can be improved, and the working efficiency can be improved; the structure is simple and the operation is convenient. The manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of travel switches, in particular to a guide rail type travel switch. Background Art

[0002] A travel switch, a type of position switch (also called a limit switch), is a commonly used low-current master electrical appliance. It uses the collision of the moving parts of the production machinery to cause its contacts to move to connect or disconnect the control circuit and achieve a certain control purpose. Usually, this type of switch is used to limit the position or stroke of mechanical movement, so that the moving machinery can automatically stop, reverse, change speed, or automatically reciprocate at a certain position or stroke.

[0003] For example, the Chinese patent: CN214254171U, the technical solution disclosed in the patent is as follows: a guide rail type travel switch, comprising: a guide rail, a vertical guide groove connected to one side of the guide rail is provided on the guide rail, and transverse guide grooves are arranged in an array from top to bottom on both sides of the vertical guide groove, and a conductive metal strip is arranged in the transverse guide groove; an aviation plug is fixed at one end of the guide rail, and the pin of the aviation plug is connected to the conductive metal strip; a door-type base is slidably arranged in the vertical guide groove of the guide rail, and a boss adapted to the transverse guide groove is arranged on the support foot of the door-type base, and a metal contact is arranged on the surface of the boss, and the metal contact abuts against the conductive metal strip; the travel switch is fixed on the door-type base, and the contact of the travel switch is connected to the metal contact through the conductor built into the door-type base. Applying the solution provided by the embodiment of the utility model, the travel switch can slide on the guide rail, and when the position setting of the travel switch is unreasonable, the position can be adjusted by sliding the travel switch, without removing the travel switch for reinstallation, and the operation is simple.

[0004] However, in actual use, most of the existing travel switches are fixedly installed by screws, so when they are repaired or replaced, the screws need to be removed before repair, which is troublesome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a guide rail type travel switch.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a guide rail type travel switch, comprising a mounting plate, a fixed frame, a travel switch body, a mounting mechanism, and an adjusting device, wherein the fixed frame is arranged at the upper end of the mounting plate, the travel switch body is arranged at the upper end of the mounting plate, the mounting mechanism is arranged inside the fixed frame, and the adjusting device is arranged inside the mounting plate; the mounting mechanism comprises a mounting block, a mounting cavity, a movable column, a spring, a moving block, a slide, a connecting rod, a positioning rod, a positioning hole, and a fixed block; the mounting block is slidably connected to the inside of the fixed frame, the mounting cavity is opened inside the mounting block, the movable column is slidably connected to the middle part of the mounting block, the spring is movably sleeved on the outer wall of the movable column, the moving block is fixedly connected to one end of the movable column, the two ends of the spring are respectively fixedly connected to the surface of the moving block and the inner wall of the mounting cavity, the slide is opened at the upper end of the moving block, the connecting rod is slidably connected to the inside of the slide, the positioning rod is fixedly connected to the top of the connecting rod, the positioning hole is opened on the inner wall of the mounting block and the fixed frame, and the travel switch body is fixedly connected to the upper end of the mounting block.

[0007] Preferably, the fixing block is fixedly connected to the inside of the installation cavity, and the positioning rod is slidably connected to the middle part of the fixing block.

[0008] Preferably, the aperture size of the positioning hole matches the diameter size of the positioning rod.

[0009] Preferably, the adjusting device includes an installation groove, which is opened at the upper end of the installation plate, the inner wall of the installation groove is rotatably connected to the threaded rod through a bearing, the other end of the threaded rod passes through the installation plate, the outer wall of the threaded rod is threadedly connected to a connecting block, and the upper end of the connecting block is fixedly connected to the fixed frame.

[0010] Preferably, the adjusting device further comprises a rotating block, and the rotating block is fixedly connected to one end of the threaded rod located outside the mounting plate.

[0011] Preferably, both sides and the bottom of the connecting block are slidably connected to the inner wall of the mounting groove.

[0012] Compared with the prior art, the utility model provides a guide rail type travel switch, which has the following beneficial effects:

[0013] 1. The guide rail type travel switch can quickly fix the installation block inside the fixed frame by setting the installation mechanism, and can also realize the rapid disassembly of the installation block, so as to facilitate the installation and disassembly of the travel switch body, thereby improving the convenience of replacement and maintenance of the travel switch body, and improving work efficiency. At the same time, the structure is simple, the operation is convenient, the manufacturing cost is low, and it is suitable for promotion.

[0014] 2. This kind of rail-type travel switch can change the position of the fixed frame by setting an adjustment device, thereby adjusting the distance between the travel switch body and the limit assembly, thereby meeting different limit requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the top cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 This is a schematic diagram of the side sectional structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1, mounting plate; 2, fixing frame; 3, travel switch body; 401, mounting block; 402, mounting cavity; 403, movable column; 404, spring; 405, moving block; 406, slide groove; 407, connecting rod; 408, positioning rod; 409, positioning hole; 410, fixing block; 501, mounting groove; 502, threaded rod; 503, connecting block; 504, rotating block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0023] like Figure 1-5As shown, the utility model provides a guide rail type travel switch, including a mounting plate 1, a fixing frame 2, a travel switch body 3, a mounting mechanism, and an adjusting device. The fixing frame 2 is arranged at the upper end of the mounting plate 1, the travel switch body 3 is arranged at the upper end of the mounting plate 1, the mounting mechanism is arranged inside the fixing frame 2, and the adjusting device is arranged inside the mounting plate 1; the mounting mechanism includes a mounting block 401, a mounting cavity 402, a movable column 403, a spring 404, a moving block 405, a slide groove 406, a connecting rod 407, a positioning rod 408, a positioning hole 409, and a fixing block 410; the mounting block 401 is slidably connected to the inside of the fixing frame 2, and the mounting cavity 402 is provided with a Inside the mounting block 401, the movable column 403 is slidably connected to the middle part of the mounting block 401, the spring 404 is movably sleeved on the outer wall of the movable column 403, the moving block 405 is fixedly connected to one end of the movable column 403, the two ends of the spring 404 are respectively fixedly connected to the surface of the moving block 405 and the inner wall of the mounting cavity 402, the slide groove 406 is opened at the upper end of the moving block 405, the connecting rod 407 is slidably connected to the inside of the slide groove 406, the positioning rod 408 is fixedly connected to the top of the connecting rod 407, the positioning hole 409 is opened on the inner wall of the mounting block 401 and the fixed frame 2, and the travel switch body 3 is fixedly connected to the upper end of the mounting block 401.

[0024] The fixing block 410 is fixedly connected inside the installation cavity 402 , and the positioning rod 408 is slidably connected to the middle of the fixing block 410 .

[0025] The diameter of the positioning hole 409 matches the diameter of the positioning rod 408 .

[0026] In this embodiment, by setting the mounting mechanism, the mounting block 401 can be quickly fixed inside the fixing frame 2, and the mounting block 401 can be quickly disassembled, so as to facilitate the installation and disassembly of the travel switch body 3, thereby improving the convenience of replacement and maintenance of the travel switch body 3, and improving work efficiency. At the same time, the structure is simple and the operation is convenient. The manufacturing cost is low and it is suitable for promotion.

[0027] When in use, when the travel switch body 3 needs to be installed, first pull the movable column 403 to drive the movable block 405 to move outward, and then the connecting rod 407 will move along the inside of the slide groove 406, and then drive the positioning rod 408 to slide inward in the middle of the fixed block 410. When the outermost side of the positioning rod 408 enters the inside of the installation cavity 402, the installation block 401 is pushed into the inside of the fixed frame 2. When the installation block 401 is pushed to the innermost end of the fixed frame 2, the outer wall of the installation block 401 is The positioning hole 409 opened just coincides with the positioning hole 409 opened on the inner side of the fixed frame 2. At this time, the movable column 403 is loosened, and the spring 404 will push the movable block 405 to move. At the same time, the connecting rod 407 will slide inside the slide groove 406, thereby driving the positioning rod 408 to slide outward in the middle of the fixed block 410. When the positioning rod 408 is inside the positioning hole 409 on the inner side of the fixed frame 2, the mounting block 401 can be fixed, that is, the travel switch body 3 can be fixed. Example

[0028] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the adjusting device includes a mounting groove 501, the mounting groove 501 is opened at the upper end of the mounting plate 1, the inner wall of the mounting groove 501 is rotatably connected to the threaded rod 502 through a bearing, the other end of the threaded rod 502 passes through the mounting plate 1, the outer wall of the threaded rod 502 is threadedly connected to a connecting block 503, and the upper end of the connecting block 503 is fixedly connected to the fixed frame 2.

[0029] The adjusting device further comprises a rotating block 504 , which is fixedly connected to one end of the threaded rod 502 located outside the mounting plate 1 .

[0030] Both sides and the bottom of the connection block 503 are slidably connected to the inner wall of the installation groove 501 .

[0031] In this embodiment, the position of the fixing frame 2 can be changed by providing an adjusting device, thereby adjusting the distance between the travel switch body 3 and the limit assembly, thereby meeting different limit requirements.

[0032] When in use, first rotate the rotating block 504 to drive the threaded rod 502 to rotate, and then the connecting block 503 threadedly connected to its outer wall will move inside the installation groove 501, thereby driving the fixed frame 2 to move, thereby changing the horizontal position of the travel switch body 3.

Claims

1. A guide rail type travel switch, comprising a mounting plate (1), a fixing frame (2), a travel switch body (3), a mounting mechanism, and an adjusting device, characterized in that: The fixing frame (2) is arranged at the upper end of the mounting plate (1), the travel switch body (3) is arranged at the upper end of the mounting plate (1), the mounting mechanism is arranged inside the fixing frame (2), and the adjusting device is arranged inside the mounting plate (1); The mounting mechanism comprises a mounting block (401), a mounting cavity (402), a movable column (403), a spring (404), a moving block (405), a slide groove (406), a connecting rod (407), a positioning rod (408), a positioning hole (409), and a fixed block (410); The mounting block (401) is slidably connected to the interior of the fixed frame (2); the mounting cavity (402) is provided in the mounting block (401); the movable column (403) is slidably connected to the middle part of the mounting block (401); the spring (404) is movably sleeved on the outer wall of the movable column (403); the moving block (405) is fixedly connected to one end of the movable column (403); the two ends of the spring (404) are respectively fixedly connected to the surface of the moving block (405) and the inner wall of the mounting cavity (402); the sliding groove (406) is provided at the upper end of the moving block (405); the connecting rod (407) is slidably connected to the interior of the sliding groove (406); the positioning rod (408) is fixedly connected to the top of the connecting rod (407); the positioning hole (409) is provided in the mounting block (401) and the inner wall of the fixed frame (2); and the travel switch body (3) is fixedly connected to the upper end of the mounting block (401).

2. A guide rail type travel switch according to claim 1, characterized in that: The fixing block (410) is fixedly connected inside the installation cavity (402), and the positioning rod (408) is slidably connected to the middle part of the fixing block (410).

3. A guide rail type travel switch according to claim 1, characterized in that: The aperture size of the positioning hole (409) matches the diameter size of the positioning rod (408).

4. A guide rail type travel switch according to claim 1, characterized in that: The adjusting device comprises a mounting groove (501), wherein the mounting groove (501) is provided at the upper end of the mounting plate (1), the inner wall of the mounting groove (501) is rotatably connected to a threaded rod (502) via a bearing, the other end of the threaded rod (502) passes through the mounting plate (1), the outer wall of the threaded rod (502) is threadedly connected to a connecting block (503), and the upper end of the connecting block (503) is fixedly connected to a fixing frame (2).

5. A guide rail type travel switch according to claim 4, characterized in that: The adjusting device further comprises a rotating block (504), wherein the rotating block (504) is fixedly connected to one end of the threaded rod (502) located outside the mounting plate (1).

6. A guide rail type travel switch according to claim 4, characterized in that: Both sides and the bottom of the connection block (503) are slidably connected to the inner wall of the installation groove (501).

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