CN217768175U

CN217768175U - Button speed regulation switch

Info

Publication number: CN217768175U
Application number: CN202222039080.4U
Authority: CN
Inventors: 吴世清
Original assignee: Yueqing Huiyang Electromechanical Co ltd
Current assignee: Yueqing Huiyang Electromechanical Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-08
Anticipated expiration: 2032-08-01

Abstract

The utility model provides a button speed governing switch, it includes: the shell is provided with a cover plate and a base which are mutually buckled to form an accommodating space, and a first mounting groove with an opening facing the cover plate is formed in one side plate of the base; reversing button, circuit board and push rod subassembly set gradually in accommodation space, and the reversing button is including running through the connecting rod that first mounting groove set up to and divide first drive block and the second drive block of locating the connecting rod both sides, and first drive block and second drive block can offset with the both sides face of curb plate respectively. During the assembly, install circuit board and push rod subassembly on the base, then put into the first mounting groove to the base with the connecting rod at switching-over button middle part, the first drive block and the second drive block of connecting rod both sides can offset with the both sides face of curb plate respectively to prevent that the switching-over button from falling out in the base, last lock upper cover plate compares with the mode that needs pass through the buckle assembly between the three casing of prior art, simple structure like this, the assembly is swift convenient, has improved production efficiency.

Description

Button speed regulation switch

Technical Field

The utility model relates to the technical field of switches, concretely relates to button speed governing switch.

Background

The speed regulating switch is widely applied to the field of hand-held electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers and the like.

The existing button speed regulation switch is shown in fig. 7, and comprises a first shell 01, a second shell 02 and a third shell 03 which are sequentially arranged from left to right, wherein the first shell 01 and the second shell 02 are connected through a buckle to form a first accommodating space suitable for mounting a reversing component 04, the second shell 02 and the third shell 03 are connected through a buckle to form a second mounting space suitable for mounting a push rod component 05 and a circuit board, the shell structure of the button speed regulation switch is complex, the assembly procedures are increased, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that button speed governing switch shell structure among the prior art is complicated, manufacturing cost is high to a simple structure, the swift convenient button speed governing switch of assembly are provided.

Therefore, the utility model provides a button speed regulation switch, which comprises a shell, a reversing button, a circuit board and a push rod component, wherein the shell is provided with a cover plate and a base which are mutually buckled to form an accommodating space, and a first mounting groove with an opening facing the cover plate is formed on one side plate of the base; reversing button, circuit board and push-down rod subassembly set gradually in the accommodation space, the reversing button is including running through the connecting rod that first mounting groove set up to and divide and locate the first drive block and the second drive block of connecting rod both sides, first drive block with the second drive block can respectively with the both sides face of curb plate offsets.

The cover plate is formed with an insertion block adapted to be inserted into the first mounting groove.

The casing is provided with a through hole for the connecting rod to extend out, the size of the first driving block is larger than that of the through hole, and the first driving block abuts against the outer wall of the casing in a fitting mode.

And the base is provided with a slot for the circuit board to be inserted into.

The circuit board has the first part with the contact of switching-over button and push rod subassembly to and the second part that links to each other with outside wire, the shaping has and is suitable for the closure on the inner wall of casing the closed baffle of second part, the closed baffle shaping has the confession the second mounting groove that the first part stretches out.

And a convex rib which is abutted against the circuit board is formed on the inner wall of the second mounting groove.

The push rod assembly comprises a push rod, a return spring and a contact piece, the push rod is movably arranged on the shell, and the contact piece is suitable for abutting against the circuit board.

The push rod with be equipped with seal structure between the casing, seal structure includes: the first dustproof groove and the second dustproof groove are arranged up and down; the first dustproof sleeve and the second dustproof sleeve are sleeved on the push rod, the main body of the first dustproof sleeve extends out of the shell, the bottom of the first dustproof sleeve is located in the first dustproof groove, and the second dustproof sleeve is located in the second dustproof groove.

A plurality of jacks are formed in the base, and a plurality of connecting columns which are correspondingly inserted into the jacks are formed in the cover plate.

The base orientation the one side edge of apron is equipped with the recess, the shaping have on the apron with recess adaptation connection's lug.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a button speed governing switch, during the assembly, install circuit board and push rod subassembly on the base, then put into the connecting rod at switching-over button middle part to the first mounting groove of base in, the first drive block and the second drive block of connecting rod both sides can offset with the both sides face of curb plate respectively, thereby prevent that the switching-over button from falling out in the base, last lock upper cover plate, compare with the mode that needs to pass through the buckle assembly between the three casing of prior art, simple structure like this, the assembly is swift convenient, and the production efficiency is improved.

2. The utility model provides a button speed governing switch, the shaping has the perforation that supplies the connecting rod to stretch out on the casing, and the size of first drive block is greater than fenestrate size, and just first drive block offsets with the laminating of casing outer wall, can prevent like this that the dust from getting into inside the casing through the perforation, and dustproof effect is better.

3. The utility model provides a button speed governing switch, the shaping has the enclosure baffle that is suitable for the closed second part on the inner wall of casing, and the enclosure baffle shaping has the second mounting groove that supplies the first part to stretch out, through setting up the enclosure baffle, can prevent that the dust from getting into the region at push rod subassembly place, has further improved dustproof effect; in addition, the inner wall of the second mounting groove is provided with a convex rib which is abutted to the circuit board in a molding mode, the convex rib plays a role in fixing the circuit board on one hand, and the second mounting groove is connected with the circuit board in a sealing mode on the other hand, so that the dustproof effect is better.

4. The utility model provides a button speed governing switch, the cover is equipped with first dirt proof boot and the second dirt proof boot that sets up from top to bottom on the push rod, and is dustproof effectual like this.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the button speed-regulating switch of the present invention;

FIG. 2 is a perspective view of FIG. 1 with the cover plate removed;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is an exploded view of the push button speed control switch;

FIG. 6 is a perspective view of the cover plate;

fig. 7 is a schematic diagram of an explosion structure of a button speed regulating switch in the prior art.

Description of reference numerals: 01. a first housing; 02. a second housing; 03. a third housing; 04. a commutation assembly; 05. a push rod assembly;

1. a housing; 2. a cover plate; 3. a base; 4. a side plate; 5. a first mounting groove; 6. a reversing button; 7. a connecting rod; 8. a first driving block; 9. a second driving block; 10. inserting a block; 11. a first portion; 12. a second portion; 13. a slot; 14. a wire; 15. a closing baffle; 16. a second mounting groove; 17. a rib is protruded; 18. a push rod; 19. a first dust-proof slot; 20. a second dust-proof slot; 21. a first dust cover; 22. a second dust-proof sleeve; 23. a jack; 24. connecting columns; 25. a groove; 26. a bump; 27. provided is a circuit board.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a push button speed control switch, as shown in fig. 1 and 2, comprising a housing 1, a reversing button 6, a circuit board 27 and a push rod assembly.

The casing 1 has a cover plate 2 and a base 3 which are mutually buckled to form an accommodating space, as shown in fig. 2, a first mounting groove 5 with an opening facing the cover plate 2 is formed on a side plate 4 of the base 3, and an insertion block 10 suitable for being inserted into the first mounting groove 5 is formed on the cover plate 2. The shaping has the confession on the base 3 circuit board 27 male slot 13, the shaping has a plurality of jacks 23 on the base 3, as shown in fig. 6, the shaping has a plurality ofly on the apron 2 with jack 23 corresponds spliced pole 24, and spliced pole 24 is connected with jack 23 interference fit, base 3 orientation the edge of one side of apron 2 is equipped with recess 25, the shaping have on the apron 2 with the lug 26 of recess 25 adaptation connection.

The reversing button 6, as shown in fig. 3, includes a connecting rod 7 penetrating through the first mounting groove 5, and a first driving block 8 and a second driving block 9 respectively disposed on two sides of the connecting rod 7, wherein the first driving block 8 and the second driving block 9 can respectively abut against two side surfaces of the side plate 4. The casing 1 is provided with a through hole for the connecting rod 7 to extend out, the size of the first driving block 8 is larger than that of the through hole, and the first driving block 8 abuts against the outer wall of the casing 1 in a fitting mode.

The circuit board 27, as shown in fig. 4, has the first part 11 with the contact of switching-over button 6 and push rod subassembly to and the second part 12 that links to each other with outside wire 14, the shaping has the closure flap 15 that is suitable for the closure on the inner wall of casing 1 the second part 12, the shaping of closure flap 15 has the confession the second mounting groove 16 that first part 11 stretches out, the shaping has on the inner wall of second mounting groove 16 with the protruding muscle 17 that circuit board 27 offseted.

The push rod assembly, as shown in fig. 5, includes a push rod 18, a return spring, and a contact piece, wherein the push rod 18 is movably mounted on the housing 1, and the contact piece is adapted to abut against the circuit board 27. A sealing structure is arranged between the push rod 18 and the shell 1, and comprises: a first dust-proof groove 19 and a second dust-proof groove 20 which are arranged up and down; a first dustproof cover 21 and a second dustproof cover 22, both of which are sleeved on the push rod 18, wherein the main body of the first dustproof cover 21 extends out of the shell 1, the bottom of the first dustproof cover is positioned in the first dustproof groove 19, and the second dustproof cover 22 is positioned in the second dustproof groove 20

It should be noted that the reversing action of the reversing button 6 and the speed regulating action of the push rod assembly are both the existing mature technologies, so the specific structure and the working principle thereof are not described in detail.

The utility model provides a button speed governing switch, during the assembly, with circuit board 27 and push rod unit mount on base 3, then put into the connecting rod 7 at 6 middle parts of switching-over button to the first mounting groove 5 of base 3 in, the first drive block 8 and the second drive block 9 of connecting rod 7 both sides can offset with the both sides face of curb plate 4 respectively, thereby prevent that switching-over button 6 from falling out in base 3, last lock upper cover plate 2, compare with the mode that needs to pass through the buckle assembly between the three casing of prior art, simple structure like this, the assembly is swift convenient, and the production efficiency is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A push button speed control switch, comprising:

the shell (1) is provided with a cover plate (2) and a base (3) which are mutually buckled to form an accommodating space, and a first mounting groove (5) with an opening facing the cover plate (2) is formed in a side plate (4) of the base (3);

reversing button (6), circuit board (27) and push rod subassembly set gradually in the accommodation space, reversing button (6) are including running through connecting rod (7) that first mounting groove (5) set up to and divide and locate the first drive block (8) and the second drive block (9) of connecting rod (7) both sides, first drive block (8) with second drive block (9) can respectively with the both sides face of curb plate (4) offsets.

2. Push button speed switch according to claim 1, characterised in that the cover plate (2) is formed with an insert (10) adapted to be inserted into the first mounting groove (5).

3. The button speed regulation switch according to claim 1 or 2, wherein a through hole for the connection rod (7) to extend out is formed on the housing (1), the size of the first driving block (8) is larger than that of the through hole, and the first driving block (8) is abutted to the outer wall of the housing (1).

4. Push button speed switch according to claim 1, characterised in that the base (3) is formed with a slot (13) into which the circuit board (27) is inserted.

5. A push button speed control switch according to claim 4, characterised in that the circuit board (27) has a first portion (11) in contact with the reversing button (6) and the push rod assembly, and a second portion (12) connected to the external lead (14), the housing (1) having formed on its inner wall a closure flap (15) adapted to close the second portion (12), the closure flap (15) having formed therein a second mounting slot (16) from which the first portion (11) projects.

6. The push-button speed regulation switch according to claim 5, wherein a rib (17) abutting against the circuit board (27) is formed on the inner wall of the second mounting groove (16).

7. Push button speed switch according to claim 1, characterized in that the push rod assembly comprises a push rod (18), a return spring and a contact piece, the push rod (18) being movably mounted on the housing (1), the contact piece being adapted to abut against the circuit board (27).

8. Push button speed switch according to claim 7, characterized in that a sealing structure is provided between the push rod (18) and the housing (1), said sealing structure comprising:

a first dustproof groove (19) and a second dustproof groove (20) which are arranged up and down;

first dirt proof boot (21) and second dirt proof boot (22), all overlap and locate on push rod (18), the main part of first dirt proof boot (21) stretches out set up outside casing (1), and the bottom is located in first dirt proof groove (19), second dirt proof boot (22) are located in second dirt proof groove (20).

9. A push-button speed regulation switch according to claim 1, characterized in that a plurality of insertion holes (23) are formed on the base (3), and a plurality of connection posts (24) are formed on the cover plate (2) and correspondingly inserted into the insertion holes (23).

10. A push button speed regulating switch according to claim 1, characterized in that the edge of the base (3) facing the cover plate (2) is provided with a groove (25), and the cover plate (2) is formed with a projection (26) which is in fit connection with the groove (25).