Portable assembly stroke adjusting switch

Abstract

The utility model discloses a portable assembly stroke adjusting switch. The switch comprises a shell, and a pressing mechanism, an over-stroke mechanism and a microswitch which are sequentially arranged in the shell from top to bottom, the pressing mechanism comprises a pressing handle cap and a connecting rod arranged in the pressing handle cap; the over-travel mechanism comprises a push head and a connecting sleeve connected to the upper portion of the push head. And the lower end of the connecting rod penetrates through the connecting sleeve for connection. The microswitch is matched with the pressing mechanism and the over-travel mechanism, the length of the connecting rod is adjusted, and the screwing depth of the connecting sleeve screwed into the push head is controlled, so that the travel of the switch is controlled; meanwhile, all the structures are arranged in the shell, splicing is compact, and the requirement for portability is met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transmission switch technical field, concretely relates to a portable assembly adjustment stroke switch. BACKGROUND

[0002] The transmission switch action stroke design of the stroke switch on the market has solidified parameters, does not have the function of assembling and adjusting stroke, does not satisfy the diversified demand, and if the demand is not in the design interval, then needs to design separately, but the design cost is high, and the production cycle is long.

[0003] The utility model discloses a stroke switch discloses a stroke switch, including the casing, is equipped with the cavity in the casing, is equipped with double ring base in the cavity, wherein the outer ring base is equipped with the static contact piece, and the contact and operating system are concentrated in the cavity of casing through double ring base structure, greatly reduce the overall volume of stroke switch, under the premise of satisfying electrical clearance and creepage distance, the appearance size is concentrated, and the use range is greatly expanded, the sealing effect is good, and the protection level is higher, under the condition that the basic structure does not change, the diversification of operating head can be realized, and it is more universal. But not have the function of conditional stroke, therefore design a kind of portable assembly adjustment stroke switch. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model aims at providing a kind of portable assembly adjustment stroke switch.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of portable assembly adjustment stroke switch, including shell and from top to bottom sequentially arranged in shell push mechanism, overstroke mechanism and micro switch;

[0006] The push mechanism includes a handle cap and a connecting rod arranged in the handle cap.

[0007] The overstroke mechanism includes a push head and a connecting sleeve connected above the push head.

[0008] The lower end of the connecting rod penetrates the connecting sleeve for connection.

[0009] Further, the top of the shell is provided with a handle cap, and a second spring is arranged between the handle cap and the shell.

[0010] Further, the top of the connecting rod is provided with a thread, the top end thereof is connected with the handle cap by screwing, the bottom end is provided with a horizontal hole, the bottom end of the connecting rod penetrates into the connecting sleeve, and the stop pin penetrates into the horizontal hole of the connecting rod to connect and fix the two.

[0011] Further, the connecting sleeve is an integral screw thread type inverted "U" structure, a groove is milled on the inner end face of the inverted "U" structure in the vertical direction, and the blocking pin moves up and down in the groove.

[0012] Further, the bottom end of the connecting sleeve is screwed into the push head, a micro switch is arranged below the push head, and a first spring is further arranged between the connecting rod and the push head.

[0013] Further, the shell adopts a ring type buckling rivet, a base is arranged inside the lower part of the shell, fixed grooves are arranged on both sides of the base, and the shell is clamped into the fixed grooves of the base to realize relative rotation and fixation.

[0014] Further, a limiting table is arranged on the upper end of the base, a through hole is arranged in the middle, and four through grooves are arranged at the bottom.

[0015] Further, the micro switch is of a rectangular structure, a mounting hole is arranged in the middle, two pairs of conductive pieces are arranged inside the micro switch and staggered up and down, a movable contact piece is arranged between the conductive pieces, and the wiring ends of the four conductive pieces are in an extended state.

[0016] Further, the four through grooves of the base correspond in position to the wiring ends of the four conductive pieces of the micro switch, the through hole corresponds in position to the mounting hole of the micro switch, and the pin passes through the through hole and the mounting hole to fix the base and the micro switch.

[0017] Further, a gasket is arranged between the shell and the base.

[0018] Compared with the prior art, the micro switch is matched with the pressing mechanism and the overstroke mechanism, the length of the connecting rod is adjusted, the screwing depth of the connecting sleeve into the push head is controlled, and thus the stroke of the switch is controlled; meanwhile, all the structures are arranged in the shell, the splicing is compact, and the portable requirement is met. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the specific embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0020] Figure 1 It is a structural diagram of the portable switch with the assembled stroke adjustment in the utility model;

[0021] In the figure, 1. micro switch; 2. pin; 3. push head; 4. washer; 5. first spring; 6. blocking pin; 7. connecting sleeve; 8. shell; 9. second spring; 10. connecting rod; 11. handle cap; 12. base; 13- moving contact; 14- conductive part; A- pressing mechanism; B- overtravel mechanism. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and specific embodiments, but should not be understood as the scope of the subject matter described in the utility model is limited to the following examples, without departing from the above technical ideas of the utility model, all kinds of modifications, substitutions and changes made according to the ordinary technical knowledge and conventional means in the art are included in the scope of the utility model.

[0023] REFERENCE Figure 1 A portable assembly adjusting stroke switch includes micro switch 1, pin 2, push head 3, washer 4, first spring 5, blocking pin 6, connecting sleeve 7, shell 8, second spring 9, connecting rod 10, handle cap 11, base 12 and moving contact 13. The black circle in the figure is a compression spring diagram, the main structure adopts three-dimensional layout from top to bottom, and the main mechanism of the switch is composed of three parts of pressing mechanism A, overtravel mechanism B and micro switch 3.

[0024] Connecting rod 10 penetrates the hole in shell 8, and connecting rod 10 can move up and down; the top of connecting rod 10 is provided with threads, connecting rod 10 is connected with handle cap 11 through thread screwing, second compression spring 9 is between handle cap 11 and shell 8, and second spring 9 plays a reset role, wherein shell 8 plays a limiting and guiding role on handle cap 11 and connecting rod 10.

[0025] Connecting rod 10 is provided with a horizontal hole, connecting rod 10 penetrates connecting sleeve 7, blocking pin 6 penetrates the horizontal hole of connecting rod 10, connecting sleeve 7 is an integral threaded inverted "U" shaped structure, a groove is milled in the inner end face of the vertical direction of the "U" shaped structure, and blocking pin 6 moves up and down in the groove. Connecting sleeve 7 can be screwed into push head 3, and the position distance of push head 3 and micro switch 1 is ensured by controlling the screwing depth.

[0026] First spring 5 is arranged between connecting rod 10 and push head 3, push head 3 can freely stretch and retract when push head 3 pushes and presses micro switch 1 to the position, and first spring 5 plays a role of ensuring that micro switch 1 is pressed to the position.

[0027] Shell 8 adopts ring type riveting, the two sides of base 12 are provided with fixing grooves, shell 8 is clamped into the fixing grooves of base 12 by being deformed by dotting, and relative rotation and fixation of base 12 and shell 8 are realized.

[0028] The base 12 is provided with two through holes and four through slots at the bottom, the through slots correspond to the positions of the wiring ends of the micro switch 1, the through holes correspond to the positions of the mounting holes of the micro switch 1, and the base 12 and the micro switch 1 are fixed together through a pin. The upper end of the base 12 is provided with a limiting table, which can prevent the push head 3 from over-pressing the micro switch 1 and causing damage to the micro switch 1. The gasket 4 is located between the shell 8 and the base 12, which increases the stress area of the base 12, reduces the pressure, and prevents the shell from causing damage to the base 12.

[0029] The switch is pressed by applying a pressing force F to the handle cap 11, the handle cap 11 pushes the connecting rod 10 to move downward, the connecting rod 10 pushes the over-travel mechanism B, the push head 3 of the over-travel mechanism B pushes the micro switch button and the positioning card to move downward, when the displacement reaches the switching critical point, the moving contact piece 13 assembly is switched under the action of the tension spring tension, and is disconnected with the lower conductive part 14, and is connected with the upper conductive part 14, so that the circuit is switched; when the pressing force F is removed, the handle cap 11 and the connecting rod 10 are automatically reset under the action of the reset spring elastic force, the micro switch 1 is automatically reset under the action of the reset spring elastic force, the moving contact piece 13 assembly is turned downward, is disconnected with the upper conductive part 14, and is connected with the lower conductive part 14, so that the circuit is switched, and a cycle of the switch is realized.

[0030] The portable switch provided by the utility model is assembled and adjusted in travel, and the structure and working principle of the utility model are described by using specific examples. The above description of the embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that the utility model can be improved and modified in many ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the utility model.

Claims

1. A portable assembly travel-adjusting switch, characterized by: The utility model relates to a micro switch (1) and a push mechanism (A) and an overtravel mechanism (B) are sequentially arranged in a shell (8) from top to bottom. The push mechanism (A) comprises a push handle cap (11) and a connecting rod (10) arranged in the push handle cap (11). The overtravel mechanism (B) comprises a push head (3) and a connecting sleeve (7) connected above the push head (3). The lower end of the connecting rod (10) penetrates the connecting sleeve (7) for connection.

2. The portable travel adjusting switch according to claim 1, wherein: The top end of the shell (8) is provided with the push handle cap (11), and a second spring (9) is arranged between the push handle cap (11) and the shell (8).

3. The portable travel adjusting switch according to claim 1, wherein: The top end of the connecting rod (10) is provided with a thread, the top end of the connecting rod (10) is connected with the push handle cap (11) through thread screwing, the bottom end of the connecting rod (10) is provided with a horizontal hole, the bottom end of the connecting rod (10) penetrates into the connecting sleeve (7), and the blocking pin (6) penetrates into the horizontal hole of the connecting rod (10) to connect and fix the two.

4. The portable, assembly-adjustable travel switch of claim 3, wherein: The connecting sleeve (7) is an integral threaded inverted "U" shaped structure, a groove is milled on the inner end face of the vertical direction of the inverted "U" shaped structure, and the blocking pin (6) moves up and down in the groove.

5. The portable, assembly-adjustable travel switch of claim 4, wherein: The bottom end of the connecting sleeve (7) is screwed into the push head (3), the push head (3) is provided with the micro switch (1) below, and a first spring (5) is further arranged between the connecting rod (10) and the push head (3).

6. The portable travel adjusting switch of claim 1, wherein: The shell (8) adopts a ring type buck rivet, an inner part of the lower part of the shell (8) is provided with a base (12), the base (12) is provided with a fixed groove on both sides, and the shell (8) is clamped into the fixed groove of the base (12) to realize relative rotation and fixation.

7. The portable, assembly-adjustable travel switch of claim 6, wherein: The base (12) is provided with a limiting table at the upper end, a through hole is arranged in the middle, and four through grooves are arranged at the bottom.

8. The portable travel adjusting switch of claim 1, wherein: The micro switch (1) is of a rectangular structure, an installation hole is arranged in the middle, two pairs of conductive pieces (14) are arranged in the micro switch (1) in an up-and-down staggered mode, a moving contact (13) is arranged between the conductive pieces (14), and the wiring ends of the four conductive pieces (14) are in an extended state.

9. The portable, assembly-adjustable travel switch of claim 7, wherein: The four through grooves of the base (12) correspond to the positions of the wiring ends of the four conductive pieces of the micro switch (1), the through hole corresponds to the position of the installation hole of the micro switch (1), and the dowel (2) penetrates through the through hole and the installation hole to fix the base (12) and the micro switch (1).

10. The portable travel adjusting switch of claim 6, wherein: A gasket (4) is arranged between the shell (8) and the base (12).

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