阅读说明：本技术 一种接触结构组件 (Contact structure assembly ) 是由 梁勇 杨芳 于 2020-06-10 设计创作，主要内容包括：本发明涉及电动工具开关技术领域,具体公开了一种接触结构组件。其包括固定块、第一端子、第二端子、接触片和拉簧。固定块包括两个挡板和隔板,隔板连接于两个挡板之间,且在隔板的两侧形成第一容置空间和第二容置空间,第一容置空间和第二容置空间内均设置有限位件。第一端子和第二端子分别固定于固定块的两侧。两个接触片的一端均连接于第一端子,另一端均连接于第二端子。两个拉簧分别设置在第一容置空间和第二容置空间内,拉簧的一端连接于限位件,另一端连接于接触片的中部。本实施例提供的接触结构组件结构紧凑、稳定,接触结构组件能够在单独的生产线安装,接触结构组件安装过程中不受电动工具开关内部零件的约束,提高了生产效率。(The invention relates to the technical field of electric tool switches, and particularly discloses a contact structure assembly. It includes fixed block, first terminal, second terminal, contact piece and extension spring. The fixed block includes two baffles and baffle, and the baffle is connected between two baffles, and forms first accommodation space and second accommodation space in the both sides of baffle, all is provided with the locating part in first accommodation space and the second accommodation space. The first terminal and the second terminal are respectively fixed on two sides of the fixing block. One end of each contact piece is connected to the first terminal, and the other end of each contact piece is connected to the second terminal. The two tension springs are respectively arranged in the first accommodating space and the second accommodating space, one ends of the tension springs are connected to the limiting part, and the other ends of the tension springs are connected to the middle part of the contact piece. The contact structure subassembly that this embodiment provided compact structure, stability, contact structure subassembly can be installed at solitary production line, and contact structure subassembly installation in-process is not by the restraint of electric tool switch internals, has improved production efficiency.)

1. A contact structure assembly, comprising:

the fixing block (1) comprises a first baffle (11), a second baffle (12) and a partition plate (13), the partition plate (13) is connected between the first baffle (11) and the second baffle (12), a first accommodating space and a second accommodating space are formed on two sides of the partition plate (13), and limiting pieces (14) are arranged in the first accommodating space and the second accommodating space;

the first terminal (2), the first terminal (2) is fixed on one side of the first baffle plate (11) far away from the second baffle plate (12);

the second terminal (3) is fixed on one side, away from the first baffle (11), of the second baffle (12);

two contact pieces (4), one end of each contact piece (4) can be connected to the first terminal (2), and the other end of each contact piece (4) can touch the second terminal (3);

extension spring (5), extension spring (5) set up to two, two extension spring (5) set up respectively in first accommodation space with in the second accommodation space, the one end of extension spring (5) connect in locating part (14), the other end of extension spring (5) connect in the middle part of contact piece (4).

2. The contact structure assembly according to claim 1, wherein two grooves (21) are formed at one end of the first terminal (2), and one end of the contact piece (4) is engaged with the grooves (21).

3. The contact structure assembly according to claim 1, wherein one end of the second terminal (3) is bent toward the first terminal (2) to form a first contact portion (32), two first through holes (321) are spaced apart from each other on the first contact portion (32), a first contact member (7) is inserted into the first through holes (321), and the first contact member (7) can abut against the other end of the contact piece (4).

4. The contact structure assembly according to claim 3, wherein a second through hole (44) is formed at the other end of the contact sheet (4), a second contact member (6) is inserted into the second through hole (44), and the first contact member (7) can be pressed against the second contact member (6).

5. The contact structure assembly according to claim 1, wherein the two side surfaces of the middle portion of the contact piece (4) are respectively provided with a second limiting groove (43), and the other end of the tension spring (5) is wound in the two second limiting grooves (43).

6. The contact structure assembly according to claim 1, wherein the first flap (11) is provided with a first slot (113), the first terminal (2) being insertable into the first slot (113).

7. The contact structure assembly according to claim 6, characterized in that a groove wall of the first insertion groove (113) is provided with one of a first catch (22) or a first catch groove (111), the first terminal (2) is provided with the other of the first catch (22) or the first catch groove (111), and the first catch (22) can be caught in the first catch groove (111).

8. The contact structure assembly according to claim 1, wherein the second flap (12) has a first slot (121) formed on one side thereof, and the second flap (12) has one of a second catch (33) or a second catch (122) formed on the other side thereof; a first protruding part (31) is arranged on one side of the second terminal (3), the first protruding part (31) can be embedded into the first slot hole (121), the other side of the second terminal (3) is provided with the other one of the second buckle (33) or the second clamping groove (122), and the second buckle (33) can be clamped in the second clamping groove (122).

Technical Field

The invention relates to the technical field of electric tool switches, in particular to a contact structure assembly.

Background

At present, an electric tool switch generally comprises a contact structure, the structure mainly comprises a static contact group and a movable contact group, the static contact group generally comprises a static contact piece and a static contact, the movable contact group generally comprises a movable support, a movable contact piece, a movable contact and a tension spring, the contact structure cannot be stable due to connection among the structures, the structures are usually connected together through a base part in the electric tool switch in the prior art, the contact structure cannot exist as a stable integral structure, and the stability of the contact structure is poor.

Disclosure of Invention

The invention aims to provide a contact structure assembly to solve the problem of poor stability of a contact structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

a contact structure assembly, comprising:

the fixing block comprises a first baffle, a second baffle and a partition plate, the partition plate is connected between the first baffle and the second baffle, a first accommodating space and a second accommodating space are formed on two sides of the partition plate, and limiting parts are arranged in the first accommodating space and the second accommodating space;

the first terminal is fixed on one side, far away from the second baffle plate, of the first baffle plate;

the second terminals are fixed on one side, far away from the first baffle, of the second baffle;

two contact pieces, one end of each of which is connectable to the first terminal and the other end of which is contactable with the second terminal;

the extension springs are arranged in two, the extension springs are arranged in the first accommodating space and the second accommodating space respectively, one end of each extension spring is connected to the limiting piece, and the other end of each extension spring is connected to the middle of the corresponding contact piece.

Preferably, two grooves are formed in one end of the first terminal, and one end of the contact piece is clamped in the grooves.

Preferably, one end of the second terminal is bent toward the first terminal to form a first contact portion, two first through holes are provided in the first contact portion at a distance, a first contact is inserted into the first through holes, and the first contact can be brought into contact with the other end of the contact piece.

Preferably, a second through hole is formed in the other end of the contact piece, a second contact piece is inserted into the second through hole, and the first contact piece can be pressed against the second contact piece.

Preferably, the surfaces of two sides of the middle part of the contact piece are provided with second limiting grooves, and the other end of the tension spring is wound in the two second limiting grooves.

Preferably, a first slot is formed in the first baffle, and the first terminal can be embedded into the first slot.

Preferably, a groove wall of the first slot is provided with one of a first buckle and a first clamping groove, the first terminal is provided with the other of the first buckle and the first clamping groove, and the first buckle can be clamped in the first clamping groove.

Preferably, a first slotted hole is formed in one side of the second baffle, and one of a second buckle and a second clamping groove is formed in the other side of the second baffle; one side of the second terminal is provided with a first protruding part which can be embedded into the first slotted hole, the other side of the second terminal is provided with the second buckle or the other one of the second clamping grooves, and the second buckle can be clamped in the second clamping groove.

The invention has the beneficial effects that: the first terminal and the second terminal are connected to the fixing block, two ends of the contact piece are connected to the first terminal and the second terminal respectively, and the contact piece is fixed to the fixing block through the tension spring. The contact structure subassembly that this embodiment provided compact structure, stability need not to use the part in the electric tool switch to fix contact structure subassembly itself, and contact structure subassembly can be installed at solitary production line, does not receive the restraint of electric tool switch internals in the contact structure subassembly installation, has greatly improved production efficiency.

Drawings

FIG. 1 is a schematic diagram of a contact structure assembly from a first perspective as provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of a contact structure assembly from a second perspective in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a contact structure assembly provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fixing block according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first terminal and a fixing block at a first viewing angle according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first terminal and a fixing block at a second viewing angle according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a first jaw provided in an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a first protrusion according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a first slot according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a second terminal provided in an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a contact pad according to an embodiment of the present invention.

In the figure:

1-fixing block; 11-a first baffle; 111-a first card slot; 112-a first limit claw; 113-a first slot; 12-a second baffle; 121-a first slot; 122-a second card slot; 13-a separator; 14-a limit stop;

2-a first terminal; 21-a groove; 22-a first snap; 23-a first jaw;

3-a second terminal; 31-a first projection; 32-a first contact; 321-a first via;

4-a contact pad; 41-a second contact; 42-a first limit groove; 43-a second limit groove; 44-a second via;

5-a tension spring;

6-a second contact;

7-first contact.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the present invention, orientation words such as "upper", "lower", "left" and "right" are defined, and in the case where no description is given to the contrary, the present invention provides a contact structure assembly defined in a normal use case, and in accordance with the up-down, left-right directions shown in the drawings, and "inner" and "outer" refer to the inside and outside with respect to the outline of each component itself. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a contact structure component which is installed in an electric tool switch so as to improve the structural stability of the contact structure component.

As shown in fig. 1 to 4, the contact structure assembly provided in the present embodiment includes a fixing block 1, a first terminal 2, a second terminal 3, a contact piece 4, and a tension spring 5. The fixing block 1 includes a first baffle 11, a second baffle 12 and a partition plate 13, the partition plate 13 is connected between the first baffle 11 and the second baffle 12, a first accommodating space and a second accommodating space are formed on two sides of the partition plate 13, and a limiting member 14 is arranged in each of the first accommodating space and the second accommodating space. The first terminal 2 is fixed on one side of the first baffle plate 11 far away from the second baffle plate 12, and the second terminal 3 is fixed on one side of the second baffle plate 12 far away from the first baffle plate 11. Two contact pieces 4 are provided, one end of each contact piece 4 is connectable to the first terminal 2, and the other end of each contact piece 4 is contactable with the second terminal 3. The number of the tension springs 5 is two, the two tension springs 5 are respectively arranged in the first accommodating space and the second accommodating space, one end of each tension spring 5 is connected to the limiting part 14, and the other end of each tension spring 5 is connected to the middle of the contact piece 4. The first terminal 2 and the second terminal 3 are both connected to the fixed block 1, both ends of the contact piece 4 are connected to the first terminal 2 and the second terminal 3, respectively, and the contact piece 4 is fixed to the fixed block 1 by the tension spring 5. The contact structure subassembly that this embodiment provided compact structure, stability need not to use the part in the electric tool switch to fix contact structure subassembly itself, and contact structure subassembly can be installed at solitary production line, does not receive the restraint of electric tool switch internals in the contact structure subassembly installation, has greatly improved production efficiency.

Specifically, as shown in fig. 5 to 6, two grooves 21 are formed at one end of the first terminal 2, and one end of the contact piece 4 is engaged with the grooves 21 to fix the contact piece 4 to the first terminal 2, so that the connection stability between the contact piece 4 and the first terminal 2 is enhanced, the contact piece 4 is prevented from being deviated, and the contact effect is deteriorated.

Specifically, as shown in fig. 4 and 6, the first baffle 11 is provided with a first slot 113, and the first terminal 2 can be inserted into the first slot 113 to fix the first terminal 2 on the fixing block 1, so as to enhance the stability of the whole structure.

Specifically, as shown in fig. 4-7, in the embodiment, a first slot 111 is disposed on a slot wall of the first slot 113, the first terminal 2 is disposed with a first buckle 22, and the first buckle 22 can be clamped in the first slot 111. Of course, in other embodiments, the groove wall of the first slot 113 may be provided with the first buckle 22, and the first terminal 2 may be provided with the first locking groove 111, which is not specified herein. More specifically, the first terminal 2 is provided with a first claw 23, the first baffle 11 is provided with a first limiting claw 112, and when the first terminal 2 is inserted into the first slot 113, the first claw 23 is clamped to the first limiting claw 112. The provision of the first catch 22 and the first claw 23 enables the first terminal 2 to be fixed to the fixed block 1 more stably. If the first terminal 2 is inserted into the first slot 113 and becomes loose, the first latch 22 and the first claw 23 can also prevent the first terminal 2 from falling out of the slot 113.

Specifically, as shown in fig. 8 to 10, a first slot 121 is formed on one side of the second blocking plate 12, a second slot 122 is formed on the other side of the second blocking plate 12, a first protrusion 31 is disposed on one side of the second terminal 3, the first protrusion 31 can be embedded into the first slot 121, a second buckle 33 is disposed on the other side of the second terminal 3, and the second buckle 33 can be buckled to the second slot 122. The first protrusion 31 is embedded into the first slot 121 and the second buckle 33 is clamped in the second clamping groove 122, so as to fix the second terminal 3 on the fixing block 1, so that the connection between the second terminal 3 and the fixing block 1 is more stable, and the overall structural stability is enhanced. The first terminals 2, the second terminals 3 and the fixing block 1 are stably connected, so that the whole structure of the contact structure assembly is more compact and stable.

Of course, in other embodiments, the other side of the second blocking plate 12 may be provided with a second buckle 33, and the other side of the second terminal 3 is provided with a second clamping groove 122, which is not limited herein.

As shown in fig. 10, one end of the second terminal 3 is bent toward the first terminal 2 to form a first contact portion 32, two first through holes 321 are formed at an interval in the first contact portion 32, the first contact 7 is inserted into the first through holes 321, and the first contact 7 can be brought into contact with the contact piece 4. The first contact 7 abuts on the contact piece 4 to communicate the first terminal 2 with the second terminal 3. The first contact portion 32 is attached to the fixed block 1, so that the entire structure is more compact.

As shown in fig. 11, the other end of the contact piece 4 is provided with a second through hole 44, the second through hole 44 is inserted with the second contact 6, the first contact 7 can be pressed against the second contact 6, and the first contact 7 is pressed against the second contact 6, so that the first terminal 2 and the second terminal 3 are connected. The second contact piece 6 is arranged on the contact piece 4, so that the contact effect between the contact piece 4 and the first contact piece 7 is better, the contact effect between the first terminal 2 and the second terminal 3 is better, and the communication condition is more stable.

First spacing groove 42 and second spacing groove 43 have been seted up at the equal interval in middle part both sides surface of contact piece 4, and first spacing groove 42 joint is in recess 21 to make contact piece 4 more stable with being connected of first terminal 2. The other end of the tension spring 5 is wound in the two second limiting grooves 43 to prevent the tension spring 5 from sliding on the contact piece 4. One end of the contact piece 4 is provided with a second contact portion 41, and the second contact portion 41 is pressed to separate the first contact 6 from the second contact 7, thereby disconnecting the first terminal 2 from the second terminal 3.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.