Travel switch with waterproof structure

Abstract

The utility model discloses a travel switch with a waterproof structure, and relates to the technical field of travel switches. The switch comprises a base, a built-in switch, an operating mechanism, a locking waterproof cable joint and an outer cover, the built-in switch is arranged between the base and the outer cover, the operating mechanism is connected with the built-in switch, the locking waterproof cable joint is arranged on the built-in switch, sealing grooves are formed in the circumferential sides of the inner wall of the base, a connecting strip is arranged on the side, close to the base, of the outer cover, and the sealing grooves are connected with the connecting strip. The connecting strip is matched with the sealing groove, sealing strips are arranged on the two sides of the connecting strip, and the sealing strips are in interference fit with the sealing groove. According to the utility model, the base, the outer cover, the sealing groove, the connecting strip, the sealing strip and the like are matched to fill the gap between the connecting strip and the sealing groove, so that the connection part of the base and the outer cover is sealed, water vapor is prevented from entering the device in a humid environment, and the normal use of the switch is ensured.

Description

Technical Field

[0001] The utility model belongs to the field of travel switches, and in particular relates to a travel switch with a waterproof structure. Background Art

[0002] A travel switch is a commonly used low-current main control electrical appliance. It uses the collision of the moving parts of the production machinery to make its contacts move to connect or disconnect the control circuit to 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] The electrical components inside the limit switch have a precise structure and high requirements for the working environment. During the operation of the limit switch, the inside needs to be kept dry. Most of the existing limit switches are not sealed enough, resulting in water vapor entering the inside of the limit switch when the external humidity is too high, affecting the normal use of the equipment.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a travel switch with a waterproof structure.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A travel switch with a waterproof structure comprises: a base, a built-in switch, an operating mechanism, a locking waterproof cable connector and an outer cover, wherein the built-in switch is arranged between the base and the outer cover, the operating mechanism is connected to the built-in switch, and the locking waterproof cable connector is arranged on the built-in switch;

[0008] Sealing grooves are provided on the circumferential sides of the inner wall of the base, a connecting strip is provided on the side of the outer cover close to the base, the connecting strip is matched with the sealing groove, sealing strips are provided on both sides of the connecting strip, the sealing strips are interference fit with the sealing groove, and mounting grooves are provided on the top of the base and the bottom of the outer cover, the mounting grooves are matched with the built-in switch and the operating mechanism.

[0009] Optionally, the base is provided with a fixing groove, the outer cover is provided with a connecting groove, the fixing groove corresponds to the connecting groove, a fixing pin is arranged inside the fixing groove, a slot is provided on the inner wall of the fixing groove, a card slot is provided on the inner wall of the fixing groove, a fixing block is connected to the surface of the fixing pin, and the fixing block is adapted to both the slot and the card slot.

[0010] Optionally, a mounting groove is provided inside the fixing pin, and a limit plate is slidably fitted inside the mounting groove. There are two limit plates, and a clamping block is connected to one side of the limit plate.

[0011] Optionally, one end of the clamping block movably passes through the installation slot and extends to the outside of the installation slot, and a fixing spring is connected between opposite sides of the two limiting plates.

[0012] Optionally, the surface of the outer cover is provided with anti-slip patterns.

[0013] Optionally, a mounting hole is provided on the base.

[0014] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0015] 1. Through the cooperation of the base, outer cover, sealing groove, connecting strip and sealing strip, the gap between the connecting strip and the sealing groove is filled, so as to complete the sealing of the connection between the base and the outer cover, and prevent water vapor from entering the device in a humid environment, so as to ensure the normal use of the switch.

[0016] The base and the outer cover can be connected by the cooperation of the fixing groove, the connecting groove, the fixing pin, the card slot, the slot and the fixing block, so as to ensure the stability of the connection between the base and the outer cover.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 This is a schematic diagram of the surface structure of an embodiment of the utility model;

[0020] Figure 2 It is a structural explosion diagram of an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the base structure of an embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the outer cover structure of an embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of a fixing groove according to an embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of a fixed latch structure according to an embodiment of the utility model;

[0025] Figure 7This is a schematic diagram of the connecting strip structure of an embodiment of the utility model;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Base; 2. Built-in switch; 3. Operating mechanism; 4. Locking waterproof cable connector; 5. Outer cover; 6. Sealing groove; 7. Connecting strip; 8. Sealing strip; 9. Mounting groove; 10. Fixing groove; 11. Fixing pin; 12. Slot; 13. Card slot; 14. Fixing block; 15. Mounting groove; 16. Limiting plate; 17. Card block; 18. Connecting groove; 19. Mounting hole.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. Implementation

[0029] The utility model will now be described in further detail with reference to the accompanying drawings.

[0030] See also Figure 1-7 As shown, in this embodiment, a travel switch with a waterproof structure is provided, comprising: a base 1, a built-in switch 2, an operating mechanism 3, a locking waterproof cable connector 4 and an outer cover 5, the built-in switch 2 is arranged between the base 1 and the outer cover 5, the operating mechanism 3 is connected to the built-in switch 2, and the locking waterproof cable connector 4 is arranged on the built-in switch 2;

[0031] Sealing grooves 6 are provided on the circumferential sides of the inner wall of the base 1, and a connecting strip 7 is provided on the side of the outer cover 5 close to the base 1, the connecting strip 7 is adapted to the sealing groove 6, and sealing strips 8 are provided on both sides of the connecting strip 7, the sealing strip 8 is interference fit with the sealing groove 6, and mounting grooves 9 are provided on the top of the base 1 and the bottom of the outer cover 5, the mounting grooves 9 are adapted to the built-in switch 2 and the operating mechanism 3, and the sealing strip 8 is made of rubber. After the base 1 and the outer cover 5 are engaged, the connecting strip 7 is inserted into the sealing groove 6, and the sealing strip 8 is squeezed by the connecting strip 7 to fill the gap between the connecting strip 7 and the sealing groove 6, thereby completing the sealing of the connection between the base 1 and the outer cover 5 to prevent water vapor from entering the device in a humid environment and ensure the normal use of the switch.

[0032] The application of one aspect of this embodiment is as follows: after the base 1 is engaged with the outer cover 5, the connecting strip 7 is inserted into the sealing groove 6, and the sealing strip 8 is squeezed by the connecting strip 7 to fill the gap between the connecting strip 7 and the sealing groove 6, thereby completing the sealing of the connection between the base 1 and the outer cover 5 to prevent water vapor from entering the device in a humid environment. When connecting the base 1 and the outer cover 5, the fixing pin 11 is inserted into the fixing groove 10 and the connecting groove 18, and the fixing pin 11 is inserted into the fixing groove 10, and the fixing block 14 is inserted into the slot 12 at the same time. Finally, the fixing pin 11 is rotated to move the fixing block 14 into the card slot 13 to complete the fixing of the fixing pin 11. When the card block 17 moves to the position corresponding to the positioning groove, the fixing spring rebounds and pushes the limit plate 16 to move, further driving the card block 17 to move, and pushing the card block 17 into the positioning groove, so that the fixing pin 11 can be connected to the connecting groove 18 to prevent the fixing pin 11 from coming out of the connecting groove 18, thereby ensuring the stability of the connection between the base 1 and the outer cover 5.

[0033] The base 1 is provided with a fixing groove 10, and the outer cover 5 is provided with a connecting groove 18, the fixing groove 10 corresponds to the connecting groove 18, a fixing pin 11 is arranged inside the fixing groove 10, a slot 12 is provided on the inner wall of the fixing groove 10, a card slot 13 is provided on the inner wall of the fixing groove 10, a fixing block 14 is connected to the surface of the fixing pin 11, and the fixing block 14 is adapted to both the slot 12 and the card slot 13. When connecting the base 1 and the outer cover 5, the fixing pin 11 is inserted into the fixing groove 10 and the connecting groove 18, the fixing pin 11 is inserted into the fixing groove 10, and the fixing block 14 is inserted into the slot 12 at the same time, and finally the fixing pin 11 is rotated to move the fixing block 14 to the card slot 13, thereby completing the fixing of the fixing pin 11.

[0034] An installation groove 15 is provided inside the fixing pin 11, and a limit plate 16 is slidably matched inside the installation groove 15. There are two limit plates 16, and a clamping block 17 is connected to one side of the limit plate 16. During the insertion process of the fixing pin 11, the clamping block 17 is squeezed into the interior of the installation groove 15, and the fixing spring is squeezed at the same time. The limit plate 16 can prevent the clamping block 17 from escaping from the installation groove 15.

[0035] One end of the block 17 movably passes through the installation groove 15 and extends to the outside of the installation groove 15. A fixing spring is connected between the opposite sides of the two limit plates 16. A positioning groove is provided inside the connecting groove 18, and the positioning groove is adapted to the block 17. When the block 17 moves to a position corresponding to the positioning groove, the fixing spring rebounds and pushes the limit plate 16 to move, further driving the block 17 to move and push the block 17 into the positioning groove, so that the fixing pin 11 can be connected to the connecting groove 18 to prevent the fixing pin 11 from falling out of the connecting groove 18.

[0036] The surface of the outer cover 5 is provided with anti-skid patterns, which can increase the friction between the outer cover 5 and the hand, thereby improving the stability of the outer cover 5 when the outer cover 5 is installed.

[0037] The base 1 is provided with a mounting hole 19 , through which the base 1 can be mounted to a designated location, and the interior of the mounting hole 19 is provided with a thread.

[0038] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A travel switch with a waterproof structure, characterized in that: include: A base (1), a built-in switch (2), an operating mechanism (3), a locking waterproof cable connector (4) and an outer cover (5), wherein the built-in switch (2) is arranged between the base (1) and the outer cover (5), the operating mechanism (3) is connected to the built-in switch (2), and the locking waterproof cable connector (4) is arranged on the built-in switch (2); The inner wall of the base (1) is provided with sealing grooves (6) on its circumferential side, the outer cover (5) is provided with a connecting strip (7) on one side close to the base (1), the connecting strip (7) is matched with the sealing groove (6), sealing strips (8) are provided on both sides of the connecting strip (7), the sealing strips (8) are interference fit with the sealing groove (6), the top of the base (1) and the bottom of the outer cover (5) are provided with mounting grooves (9), the mounting grooves (9) are matched with the built-in switch (2) and the operating mechanism (3).

2. A travel switch with a waterproof structure according to claim 1, characterized in that: The base (1) is provided with a fixing groove (10), the outer cover (5) is provided with a connecting groove (18), the fixing groove (10) corresponds to the connecting groove (18), a fixing pin (11) is arranged inside the fixing groove (10), a slot (12) is provided on the inner wall of the fixing groove (10), a clamping groove (13) is provided on the inner wall of the fixing groove (10), a fixing block (14) is connected to the surface of the fixing pin (11), and the fixing block (14) is adapted to both the slot (12) and the clamping groove (13).

3. A travel switch with a waterproof structure according to claim 2, characterized in that: An installation slot (15) is provided inside the fixed latch (11), and a limit plate (16) is slidably fitted inside the installation slot (15). There are two limit plates (16), and a clamping block (17) is connected to one side of the limit plate (16).

4. A travel switch with a waterproof structure according to claim 3, characterized in that: One end of the clamping block (17) movably passes through the mounting groove (15) and extends to the outside of the mounting groove (15), and a fixing spring is connected between opposite sides of the two limiting plates (16).

5. The travel switch with waterproof structure according to claim 1, characterized in that: The surface of the outer cover (5) is provided with anti-slip patterns.

6. A travel switch with a waterproof structure according to claim 1, characterized in that: The base (1) is provided with a mounting hole (19).

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