CN215955154U

CN215955154U - Change-over switch convenient to installation

Info

Publication number: CN215955154U
Application number: CN202122133492.XU
Authority: CN
Inventors: 刘军
Original assignee: Brad Electric Jiangyin Co ltd
Current assignee: Brad Electric Jiangyin Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-04
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the field of switching appliances, in particular to a change-over switch convenient to mount, which comprises a connecting piece, wherein a mounting groove is formed in the connecting piece, a ring body in rotating fit with the mounting groove is arranged in the mounting groove, a clamping block is arranged on the inner side wall of the ring body, a shifting rod is arranged on the outer side wall of the ring body, a rotating groove for the shifting rod to rotate is formed between the inner side wall and the outer side wall of the connecting piece, and a reset assembly for automatically resetting the rotation of the ring body is arranged in the connecting piece. The utility model has the advantage of facilitating the locking of the locking piece to the threaded sleeve.

Description

Change-over switch convenient to installation

Technical Field

The utility model relates to the field of switching devices, in particular to a change-over switch convenient to install.

Background

The change-over switch is a switch electric appliance for switching over two or more than two power sources or loads. The change-over switch is composed of main components such as a contact system, a positioning mechanism and a handle, wherein the contact system is composed of a plurality of static contact seats embedded in an insulating shell and movable contacts in a movable support.

Chinese patent No. CN104269313A discloses a multi-gear change-over switch mounting member, which comprises a mounting seat, a threaded sleeve, a connecting piece and a locking piece; the threaded sleeve comprises a hollow cylinder, a longitudinal groove and a transverse groove are formed in the hollow cylinder, the longitudinal groove is parallel to the axis direction of the hollow cylinder, and the transverse groove is perpendicular to the axis direction of the hollow cylinder; the connecting piece is bolted on the mounting seat, an installation groove is formed in the connecting piece, and the locking piece is arranged in the installation groove and is in rotating fit with the installation groove; the locking part comprises a ring body and a shifting lever fixed with the outer side wall of the ring body, a second convex block is arranged on the inner side wall of the ring body, the second convex block slides into the longitudinal groove and then rotates into the transverse groove, and therefore connection of the threaded sleeve and the mounting seat is achieved.

When operating personnel installed the thread bush to the mount pad on, need insert the ring body with hollow section of thick bamboo earlier, then manual rotation driving lever for in the second lug changes over into the transverse groove, realize locking, locking process complex operation to the thread bush through the retaining member with this.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the locking of retaining member to the thread bush realization, this application provides a change over switch convenient to installation.

The application provides a change over switch convenient to installation adopts following technical scheme:

the utility model provides a change over switch convenient to installation, includes the connecting piece, it has the mounting groove to open on the connecting piece, be equipped with in the mounting groove rather than normal running fit's ring body, be provided with the fixture block on the inside wall of ring body, be equipped with the driving lever on the lateral wall of ring body, it has the confession to open between the inside and outside lateral wall of connecting piece driving lever pivoted rotary tank, its characterized in that: and a reset assembly used for realizing automatic reset to the rotation of the ring body is arranged in the connecting piece.

Through adopting above-mentioned technical scheme, after the personnel inserted hollow section of thick bamboo in the mount pad, loosen the driving lever, reset assembly can realize resetting to the ring body automatically, and the fixture block on the ring body can the automatic card go into the transverse groove in, and then makes things convenient for the retaining member to realize locking to the thread bush.

Optionally, the connecting piece is internally opened have with the mounting groove communicates with each other and is the groove that resets that the circular arc type set up, reset the groove with the coaxial setting of ring body, reset assembly is including setting up shifting block on the ring body lateral wall, the shifting block with it has the pressure spring to reset between a terminal surface in groove to prop, the pressure spring is located the shifting block dorsad one side of direction of rotation when the driving lever resets, be equipped with first guide inclined plane on the fixture block, first guide inclined plane along when the ring body resets, the direction of rotation orientation of ring body the mount pad slope.

Through adopting above-mentioned technical scheme, when operating personnel assembled thread bush and mount pad, the first guide inclined plane of hollow section of thick bamboo tip conflict to this makes the fixture block promote the ring body and rotates, and the ring body drives the shifting block and realizes the extrusion to the pressure spring, and the fixture block slides in vertical inslot. When the clamping block slides to the communication position between the longitudinal groove and the transverse groove, the clamping block can rotate into the transverse groove under the pushing of the pressure spring, so that the automatic locking of the threaded sleeve is realized.

Optionally, the number of the clamping blocks on the inner side wall of the ring body is three, and each clamping block corresponds to one longitudinal groove and one transverse groove.

Through adopting above-mentioned technical scheme, the fixture block is provided with a plurality ofly to this is favorable to improving joint strength and stability between mount pad and the thread bush.

Optionally, a limiting ring is arranged on the inner wall of the ring body, and the limiting ring is located between the fixture block and the mounting seat.

Through adopting above-mentioned technical scheme, when the tip of hollow cylinder was contradicted the spacing ring, the fixture block can be changeed over into the transverse groove just under the effect of pressure spring.

Optionally, the outer side wall of the end portion of the hollow cylinder is provided with three second guide inclined planes, the second guide inclined planes correspond to the first guide inclined planes one by one, the second guide inclined planes are oriented to the limiting ring in the rotating direction of the ring body when the ring body is reset, and the second guide inclined planes extend to the corresponding longitudinal grooves.

Through adopting above-mentioned technical scheme, when the mount pad was matched with the screw thread cover, the first guide inclined plane that the second guide inclined plane contradicted the correspondence to this fixture block can be more smooth and easy the vertical inslot of slip-in, and then made things convenient for operating personnel to insert the ring with hollow section of thick bamboo internally.

Optionally, the inner side wall of the connecting piece is provided with a guide block, the outer side wall of the hollow cylinder is provided with a guide groove along the axial direction of the hollow cylinder, and the guide block is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, guide block and guide way sliding fit play the guide effect to the reinstallation between mount pad and the thread bush, are favorable to reducing simultaneously in the assembling process, and the relative mount pad of thread bush takes place pivoted possibility.

Optionally, the reset assembly includes a first magnet and a second magnet that like poles repel each other, the second magnet is located the mounting groove is relative when the ring body resets, the other end of the ring body rotation direction, the first magnet is located on the shifting block and faces the second magnet.

Through adopting above-mentioned technical scheme, on mount pad and thread bush separated, first magnet is close to and produces the repulsion force to the second magnet, and after loosening the driving lever, the repulsion force promotes first magnet and realizes automatic re-setting.

Optionally, a third magnet is arranged at the other end of the mounting groove opposite to the second magnet, and the third magnet and the first magnet attract each other in an opposite polarity.

Through adopting above-mentioned technical scheme, the opposite sex attraction between third magnet and the first magnet can assist the shifting block to realize automatic re-setting, is favorable to reducing the shifting block and receives the influence of frictional force, leads to the incomplete possibility that resets.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a person inserts the hollow cylinder into the mounting seat, the driving lever is released, the reset assembly can automatically reset the ring body, and the fixture block on the ring body can be automatically clamped into the transverse groove, so that the locking piece can conveniently lock the threaded sleeve;

2. when operating personnel assembled the thread bush with the mount pad, hollow section of thick bamboo tip was contradicted first guide inclined plane to this makes the fixture block promote the ring body and rotates, and the ring body drives the shifting block and realizes the extrusion to the pressure spring, and the fixture block slides in vertical inslot. When the fixture block slides to the communication position between the longitudinal groove and the transverse groove, the fixture block can automatically rotate in the transverse groove under the pushing of the pressure spring, so that the automatic locking of the thread sleeve is realized;

3. when the mounting seat and the threaded sleeve are separated, the first magnet approaches to the second magnet and generates a repulsive force, and after the deflector rod is loosened, the repulsive force pushes the first magnet to realize automatic reset.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is an exploded view showing the connection relationship among the connecting member, the mounting seat and the hollow cylinder in example 1 of the present application;

FIG. 3 is an exploded view of the connection between the connector, the mounting socket and the hollow cylinder according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a reset assembly in embodiment 2 of the present application.

Description of reference numerals:

1. a mounting seat; 2. a connecting member; 21. mounting grooves; 22. rotating the groove; 23. a reset groove; 3. a hollow cylinder; 31. a transverse slot; 32. a longitudinal slot; 4. a ring body; 5. a clamping block; 6. a deflector rod; 71. shifting blocks; 72. a pressure spring; 8. a first guide ramp; 9. a second guide ramp; 10. a limiting ring; 11. a guide block; 12. a guide groove; 131. a first magnet; 132. a second magnet; 133. a third magnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, a related art provides a multi-gear change-over switch mounting member including a mounting base 1, a threaded sleeve, a connecting member 2 and a locking member; the thread bush comprises a hollow cylinder 3, a longitudinal groove 32 and a transverse groove 31 are formed in the hollow cylinder 3, the longitudinal groove 32 is parallel to the axis direction of the hollow cylinder 3, and the transverse groove 31 is perpendicular to the axis direction of the hollow cylinder 3.

The embodiment of the application discloses change-over switch convenient to installation.

Example 1

Referring to fig. 2 and 3, the change-over switch convenient to install comprises a connecting piece 2 bolted to an installation seat 1, wherein one side of the connecting piece 2 opposite to the installation seat 1 is provided with an installation groove 21, and a ring body 4 in rotary fit with the installation groove 21 is arranged in the installation groove 21.

The inner wall of the ring body 4 is integrally formed with a clamping block 5, the outer side wall of the ring body 4 is integrally formed with a deflector rod 6, and a rotary groove 22 for the deflector rod 6 to rotate is formed between the inner side wall and the outer side wall of the connecting piece 2.

The fixture block 5 is circumferentially arranged on the inner side wall of the ring body 4, each fixture block 5 corresponds to one longitudinal groove 32 and one transverse groove 31, and a plurality of fixture blocks 5 are arranged, so that the connection strength and the stability between the mounting seat 1 and the threaded sleeve are improved.

Referring to fig. 2 and 3, when leaving the factory, the fixture block 5 is located in the transverse groove 31, and in order to install the mounting base 1 on the equipment, the mounting base 1 and the threaded sleeve need to be detached.

The operator pulls the lever 6, and the lever 6 drives the ring 4 to rotate, so that the latch 5 rotates from the transverse slot 31 into the longitudinal slot 32. The threaded sleeve is then moved in the direction of its own axis, the latch 5 being disengaged from the hollow cylinder 3 through the longitudinal slot 32.

The inner side wall of the connecting piece 2 is integrally formed with a guide block 11, the outer side wall of the hollow cylinder 3 is provided with a guide groove 12 along the axial direction, and the guide block 11 is in sliding fit with the guide groove 12.

The guide block 11 is in sliding fit with the guide groove 12, plays a role in guiding the reinstallation between the mounting seat 1 and the threaded sleeve, and is beneficial to reducing the possibility that the threaded sleeve rotates relative to the mounting seat 1 in the assembling process.

Referring to fig. 2 and 3, in order to facilitate the reconnection of the mounting base 1 and the threaded sleeve, a reset assembly for automatically resetting the rotation of the ring body 4 is arranged in the connecting piece 2.

Referring to fig. 2 and 3, a reset groove 23 communicated with the mounting groove 21 is formed in one side of the connecting piece 2 opposite to the mounting seat 1, and the reset groove 23 is arranged in an arc shape and is coaxial with the ring body 4.

The reset assembly comprises a shifting block 71 which is integrally formed on the outer side wall of the ring body 4, the shifting block 71 moves in the reset groove 23 along the arc direction of the shifting block, a pressure spring 72 is supported between the shifting block 71 and one end face of the reset groove 23, and the pressure spring 72 is positioned on one side of the shifting block 71, which faces away from the shifting rod 6 in the reset direction.

When the mounting base 1 and the threaded sleeve are disassembled, an operator manually rotates the shifting lever 6, the shifting lever 6 drives the ring body 4 to rotate, and the ring body 4 drives the shifting block 71 to move, so that the compression spring 72 is compressed.

After the mounting base 1 and the threaded sleeve are separated, an operator loosens the shifting lever 6, and the pressure spring 72 pushes the ring body 4 to rotate through the shifting block 71, so that the automatic resetting of the ring body 4 is realized.

Referring to fig. 2 and 3, the first guiding inclined surface 8 is integrally formed on the latch 5, and when the first guiding inclined surface 8 is restored along the ring body 4, the rotating direction of the ring body 4 is inclined towards the mounting seat 1.

During the installation, operating personnel directly inserts hollow cylinder 3 to the ring body 4 in, and fixture block 5 takes place to rotate under the conflict effect of hollow cylinder 3 tip to first guide inclined plane 8 to make shifting block 71 realize the compression to pressure spring 72 once more through ring body 4.

The fixture block 5 slides into the longitudinal groove 32 on the outer side wall of the hollow cylinder 3, and when the fixture block 5 slides to the communication position between the longitudinal groove 32 and the transverse groove 31, the fixture block 5 rotates into the transverse groove 31 under the reaction of the pressure spring 72, so that the connection between the mounting seat 1 and the threaded sleeve is realized.

Through the setting of above-mentioned reset assembly, when realizing the installation to mount pad 1 and thread bush, need not the workman and manually stir driving lever 6 to this convenience that is favorable to improving the thread bush installation.

Referring to fig. 2 and 3, a limiting ring 10 is coaxially and integrally formed on the inner side wall of the ring body 4, and the limiting ring 10 is located between the fixture block 5 and the mounting seat 1. When the end of the hollow cylinder 3 abuts against the limiting ring 10, the fixture block 5 can just rotate into the transverse groove 31, which is beneficial to positioning the fixture block 5 at the position rotating into the transverse groove 31.

Referring to fig. 2 and 3, in order to enable the hollow cylinder 3 to be inserted into the ring body 4, the hollow cylinder 3 can more smoothly push the fixture block 5 to rotate, three second guiding inclined planes 9 are integrally formed on the outer side wall of the end portion of the hollow cylinder 3, and the second guiding inclined planes 9 correspond to the first guiding inclined planes 8 one to one.

When the second guiding inclined surface 9 is restored along the ring body 4, the rotating direction of the ring body 4 is inclined towards the limiting ring 10, and the second guiding inclined surface 9 extends into the corresponding longitudinal groove 32. When the fixture block 5 is installed, the second guiding inclined surface 9 abuts against the corresponding first guiding inclined surface 8, so that the fixture block 5 can rotate more smoothly and slide into the corresponding longitudinal groove 32.

The implementation principle of the embodiment 1 is as follows: when operating personnel assembled thread bush and mount pad 1, operating personnel inserted hollow cylinder 3 in the ring body 4, and the first guide inclined plane 8 of contradicting on hollow cylinder 3 tip was first guide inclined plane 8, and then made fixture block 5 promote the ring body 4 and taken place to rotate, and the extrusion has been realized to the pressure spring 72 through shifting block 71 to ring body 4, and fixture block 5 can the cunning to vertical inslot 32 simultaneously. When the terminal surface of hollow cylinder 3 contradicts spacing ring 10, fixture block 5 moves to the intercommunication department of longitudinal groove 32 and transverse groove 31, and under the thrust effect of pressure spring 72, fixture block 5 can rotate just to the transverse groove 31 in to this need not the manual work and stirs driving lever 6, and driving lever 6 can realize automatically that the assembly of reseing and realizing mount pad 1 and thread bush, convenient operation.

Example 2

Referring to fig. 2 and 4, the difference between the embodiment and embodiment 1 is that the restoring component includes a first magnet 131 and a second magnet 132 with like poles repelling each other, when the second magnet 132 is adhered to the mounting groove 21 and is restored relative to the ring body 4, the other end of the ring body 4 in the rotation direction is adhered, and the first magnet 131 is adhered to one side of the dial 71 facing the second magnet 132.

When the operator separates the mounting base 1 from the threaded sleeve, the first magnet 131 approaches the second magnet 132 to generate an opposing force. When the person releases the lever 6, the repulsive force between the first magnet 131 and the second magnet 132 pushes the first magnet 131 to reset.

There may be some friction between the dial 71 and the mounting slot 21 that may cause the dial 71 to not fully reset. Therefore, the third magnet 133 is adhered to the other end of the mounting groove 21 opposite to the second magnet 132, and the third magnet 133 and the first magnet 131 are attracted in opposite polarities.

The opposite attraction force between the third magnet 133 and the first magnet 131 can assist the shifting block 71 to realize automatic reset, and ensure that the shifting block 71 is completely reset.

The implementation principle of the embodiment 2 is as follows: when operating personnel assembled thread bush and mount pad 1, operating personnel inserted hollow cylinder 3 in the ring body 4, and the first guide inclined plane 8 of contradicting on hollow cylinder 3 tip was first guide inclined plane 8, and then made fixture block 5 promote ring body 4 and take place to rotate, and ring body 4 drives first magnet 131 and is close to second magnet 132, and fixture block 5 can the sliding to vertical inslot 32 simultaneously. When the end face of the hollow cylinder 3 abuts against the limiting ring 10, the fixture block 5 moves to the communication position between the longitudinal groove 32 and the transverse groove 31, under the action of the repulsive force between the first magnet 131 and the second magnet 132 and the attractive force between the first magnet 131 and the third magnet 133, the fixture block 5 can just rotate into the transverse groove 31, so that the shifting lever 6 does not need to be manually shifted, the shifting lever 6 can automatically reset and the assembly of the mounting seat 1 and the threaded sleeve is realized, and the operation is convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a change over switch convenient to installation, includes connecting piece (2), it has mounting groove (21) to open on connecting piece (2), be equipped with in mounting groove (21) rather than normal running fit's ring body (4), be provided with fixture block (5) on the inside wall of ring body (4), be equipped with driving lever (6) on the lateral wall of ring body (4), it has the confession to open between the inside and outside lateral wall of connecting piece (2) driving lever (6) pivoted rotary tank (22), its characterized in that: and a reset assembly used for realizing automatic reset to the rotation of the ring body (4) is arranged in the connecting piece (2).

2. The transfer switch of claim 1, wherein: connecting piece (2) internal open have with mounting groove (21) communicate with each other and be reset groove (23) that the circular arc type set up, reset groove (23) with ring body (4) coaxial setting, reset assembly is including setting up shifting block (71) on ring body (4) lateral wall, shifting block (71) with it has pressure spring (72) to prop between the terminal surface of reset groove (23), pressure spring (72) are located shifting block (71) dorsad when driving lever (6) reset one side of direction of rotation, be equipped with first guide inclined plane (8) on fixture block (5), first guide inclined plane (8) along when ring body (4) reset, the direction of rotation of ring body (4) is towards mount pad (1) slope.

3. The transfer switch of claim 2, wherein: the clamping blocks (5) are circumferentially arranged on the inner side wall of the ring body (4), and each clamping block (5) is provided with a longitudinal groove (32) and a transverse groove (31) correspondingly.

4. The transfer switch of claim 3, wherein: the inner wall of the ring body (4) is provided with a limiting ring (10), and the limiting ring (10) is located between the fixture block (5) and the mounting seat (1).

5. The transfer switch of claim 4, wherein: be equipped with three second guide inclined plane (9) on the lateral wall of hollow cylinder (3) tip, second guide inclined plane (9) with first guide inclined plane (8) one-to-one, second guide inclined plane (9) along when ring body (4) reset, the direction of rotation orientation of ring body (4) spacing ring (10) slope, second guide inclined plane (9) extend to the correspondence in vertical groove (32).

6. The transfer switch of claim 5, wherein: be provided with guide block (11) on the inside wall of connecting piece (2), open along its axial on the lateral wall of hollow cylinder (3) has guide way (12), guide block (11) with guide way (12) sliding fit.

7. The transfer switch of claim 2, wherein: the resetting component comprises a first magnet (131) and a second magnet (132) which are repelled by the same poles, the second magnet (132) is located at the other end of the rotation direction of the ring body (4) when the installation groove (21) is reset relative to the ring body (4), and the first magnet (131) is located on the shifting block (71) and faces the second magnet (132).

8. The transfer switch of claim 7, wherein: and a third magnet (133) is arranged at the other end of the mounting groove (21) opposite to the second magnet (132), and the third magnet (133) and the first magnet (131) are attracted in opposite directions.