CN212516955U

CN212516955U - Improved head structure of travel switch

Info

Publication number: CN212516955U
Application number: CN202021629396.3U
Authority: CN
Inventors: 汤宏永
Original assignee: Jiangxi Shandian Motor Co ltd
Current assignee: Jiangxi Shandian Motor Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-02-09
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a head improved structure of a travel switch, which belongs to the technical field of electrical equipment, a side surface of a switch head shell is provided with a main shaft hole, the lower end of the switch head shell is fixedly connected with a waterproof ring connecting seat, one side end surface of the switch head shell is provided with two stop blocks, the upper end of the switch head shell is provided with a screw hole and a mounting groove, one surface of the switch head shell is buckled with a head cover, one surface of the head cover is provided with a countersunk hole, a screw is sleeved in the countersunk hole, one end of a head cover arranged on the improved structure of the head part of the travel switch is installed in an inserting mode, the other end of the head cover is locked by a screw, the using amount of the screw is reduced, the fixture is convenient to position quickly, convenient to install, simple in assembly process, flexible in structure, efficient in production efficiency, and capable of being assembled by using the fixture, production cost is effectively reduced, and electric quantity generated by accessories and electric tools can be reduced.

Description

Improved head structure of travel switch

Technical Field

The utility model relates to an electrical equipment technical field, more specifically say, relate to a travel switch's head improves structure.

Background

The travel switch is also called limit switch, is a common small current master electrical appliance, and utilizes the collision of mechanical moving parts to make its contact act to implement connection or disconnection of control circuit so as to attain the goal of controlling.

The head part and the head cover part of the travel switch are fixed and locked by screws, the process is common at present, a plurality of hole positions are needed on the parts, the screws are put into the holes by using an electric tool for locking, and the reciprocating process has the defect of screw sliding and cost waste.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a travel switch's head improves structure, the one end of the skull that this travel switch's head improves structure setting is installed through the mode of pegging graft, the other end is through a screw locking, the quantity of screw has been reduced, be convenient for fix a position fast moreover, it is also more convenient to install, assembly process is simple, can also utilize the tool equipment, the nimble production efficiency of structure is high-efficient, the effectual manufacturing cost that has reduced to the produced electric quantity of reducible accessory and electric tool.

In order to solve the above problems, the utility model adopts the following technical proposal.

A head improved structure of a travel switch comprises a switch head shell, wherein a main shaft hole is formed in one side face of the switch head shell, a waterproof ring connecting seat is fixedly connected to the lower end of the switch head shell, a stop block is arranged on one side end face of the switch head shell, the number of the stop blocks is two, a screw hole and a mounting groove are formed in the upper end of the switch head shell, a head cover is buckled on one surface of the switch head shell, a counter sink is formed in one surface of the head cover, a screw is sleeved in the counter sink, one end surface of the screw is in threaded connection with the inner wall of the screw hole, a positioning lug block and a plug block are arranged on one side face of the head cover, the number of the plug blocks is two, the two plug blocks are located on two sides of the positioning lug, one side face of the head cover is in contact with one side face of the stop block, and one end of the head, the other end is locked by a screw, so that the using amount of the screw is reduced, the quick positioning is convenient, the installation is more convenient, the assembly process is simple, the jig can be used for assembly, the structure is flexible, the production efficiency is high, the production cost is effectively reduced, and the electric quantity generated by accessories and electric tools can be reduced.

Further, the inner wall of mounting groove is equipped with the constant head tank, and the constant head tank is located the side of mounting groove inner wall, the inner wall of constant head tank is connected with the surface contact of location lug, has spacing effect, has improved the packaging efficiency of skull.

Furthermore, a surface of the head cover is provided with a mark, and the mark and the head cover are formed through one-time injection molding, so that the mark and the head cover are not only clearly and conveniently identified, but also are not easy to wear.

Furthermore, the side of dog is equipped with the jack, the inner wall of jack is connected with the surface contact of inserted block, is used for restricting the one end position of skull, the installation location of the skull of being convenient for.

Furthermore, the switch head shell and the head cover are made of insulating engineering plastics through one-time injection molding, so that the switch head shell and the head cover are convenient for batch production, and the production cost is reduced.

Compared with the prior art, the utility model has the advantages of:

(1) the one end of the skull that this scheme set up is installed through the mode of pegging graft, and the other end is locked through a screw, has reduced the quantity of screw, is convenient for fix a position fast moreover, and the installation is also more convenient, and assembly process is simple, can also utilize the tool equipment, and the nimble production efficiency of structure is high-efficient, the effectual manufacturing cost that has reduced to the produced electric quantity of reducible accessory and electric tool.

(2) The inner wall of mounting groove is equipped with the constant head tank, and the constant head tank is located the side of mounting groove inner wall, and the inner wall of constant head tank is connected with the surface contact of location lug, has spacing effect, has improved the packaging efficiency of skull.

(3) One surface of the head cover is provided with a mark, and the mark and the head cover are formed by one-time injection molding, so that the mark is not only clear and convenient to identify, but also is not easy to wear.

(4) The side of dog is equipped with the jack, and the inner wall of jack is connected with the surface contact of inserted block for the one end position of restriction skull, the installation location of the skull of being convenient for.

(5) The switch head shell and the head cover are formed by one-time injection molding of insulating engineering plastics, so that the switch head is convenient for batch production, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the head cover of the present invention;

fig. 3 is a schematic view of the structure of the switch head casing of the present invention.

The reference numbers in the figures illustrate:

the switch head comprises a switch head shell 1, a main shaft hole 11, a waterproof ring connecting seat 12, a screw hole 13, a mounting groove 14, a positioning groove 15, a stop block 16, a jack 17, a head cover 2, a mark 21, a countersunk hole 22, an inserting block 23, a positioning lug 24 and a screw 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an improved structure of a head of a travel switch comprises a switch head casing 1, referring to fig. 1-3, a main shaft hole 11 is formed on one side surface of the switch head casing 1, the main shaft hole 11 is used for fixing the position of a main shaft, and belongs to the prior art, a waterproof ring connecting seat 12 is fixedly connected to the lower end of the switch head casing 1, a lower pressing shaft is arranged at the center position of the lower end of the waterproof ring connecting seat 12, the waterproof ring is fixed by the pressing shaft, the upper end of the waterproof ring is hermetically connected with the lower end of the waterproof ring connecting seat 12, two stop blocks 16 are arranged on one side end surface of the switch head casing 1, screw holes 13 and mounting grooves 14 are arranged on the upper end of the switch head casing 1, a head cover 2 is fastened on one surface of the switch head casing 1, the head cover 2 is used for closing the mounting grooves 14, a countersunk hole 22 is arranged on one surface of the head cover 2, and the countersunk hole 22 can prevent the upper, the screw 3 is sleeved in the counter bore 22, the screw 3 is used for fixing the mounting position of one end of the head cover 2, one end surface of the screw 3 is in threaded connection with the inner wall of the screw hole 13, one side surface of the head cover 2 is provided with a positioning lug 24 and two plug blocks 23, the two plug blocks 23 are located on two sides of the positioning lug 24, and one side surface of the head cover 2 is in contact connection with one side surface of the stop block 16.

Referring to fig. 2 and 3, the inner wall of the mounting groove 14 is provided with a positioning groove 15, the positioning groove 15 is located on one side surface of the inner wall of the mounting groove 14, the inner wall of the positioning groove 15 is in contact connection with the surface of the positioning bump 24, the positioning groove has a limiting effect, the assembly efficiency of the head cover 2 is improved, one surface of the head cover 2 is provided with a mark 21, and the mark 21 and the head cover 2 are formed by one-time injection molding, so that the mark is not only clear and convenient to identify, but also.

Referring to fig. 1 and 3, the side of the stopper 16 is provided with an insertion hole 17, the inner wall of the insertion hole 17 is in contact connection with the surface of the insertion block 23 to limit the position of one end of the head cover 2, so that the head cover 2 can be conveniently installed and positioned, the switch head housing 1 and the head cover 2 are formed by one-time injection molding of insulating engineering plastics, mass production is facilitated, and production cost is reduced.

When the improved structure of the head part of the travel switch is assembled, the plug block 23 arranged on the head cover 2 is inserted in the position of the plug hole 17 arranged on the stop block 16, at the moment, the positioning convex block 24 is positioned at the upper end of the position of the positioning groove 15, then, the other end of the head cap 2 is moved downward so that the positioning protrusions 24 are fitted into the positioning grooves 15, at which time the fixing and positioning of the one end of the head cap 2 are completed, while the counter bore 22 is concentric with the screw hole 13, then the screw 3 is inserted into the countersunk hole 22, the screw 3 is fastened through an electric tool to complete the assembly, one end of the head cover 2 is arranged in an inserting way, the other end is locked through one screw 3, the using amount of the screw 3 is reduced, the fixture is convenient to position quickly, convenient to install, simple in assembly process, flexible in structure, efficient in production efficiency, and capable of being assembled by using the fixture, production cost is effectively reduced, and electric quantity generated by accessories and electric tools can be reduced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a travel switch's head improves structure, includes switch head casing (1), its characterized in that: spindle hole (11) has been seted up to a side of switch head casing (1), the waterproof circle connecting seat of lower extreme fixedly connected with (12) of switch head casing (1), a side end face of switch head casing (1) is equipped with dog (16), the quantity of dog (16) is two, the upper end of switch head casing (1) is equipped with screw hole (13) and mounting groove (14), a surface lock of switch head casing (1) has skull (2), a surface of skull (2) is equipped with counter sink (22), screw (3) have been cup jointed in counter sink (22), the one end surface of screw (3) and the inner wall threaded connection of screw hole (13), a side of skull (2) is equipped with location lug (24) and inserted block (23), the quantity of inserted block (23) is two, and two inserted blocks (23) are in the both sides of location lug (24), one side surface of the head cover (2) is in contact connection with one side surface of the stop block (16).

2. The improved structure of the head of the travel switch according to claim 1, wherein: the inner wall of mounting groove (14) is equipped with constant head tank (15), and constant head tank (15) are in the side of mounting groove (14) inner wall, the inner wall of constant head tank (15) is connected with the surface contact of location lug (24).

3. The improved structure of the head of the travel switch according to claim 1, wherein: one surface of the head cover (2) is provided with a mark (21), and the mark (21) and the head cover (2) are formed through one-time injection molding.

4. The improved structure of the head of the travel switch according to claim 1, wherein: the side of the stop block (16) is provided with a jack (17), and the inner wall of the jack (17) is in contact connection with the surface of the insert block (23).

5. The improved structure of the head of the travel switch according to claim 1, wherein: the switch head shell (1) and the head cover (2) are made of insulating engineering plastics through one-time injection molding.