CN216957869U

CN216957869U - Auxiliary contact structure of vacuum on-load tap-changer connecting wire with firm connection

Info

Publication number: CN216957869U
Application number: CN202123225888.3U
Authority: CN
Inventors: 卫兆华; 王兴; 林邹; 向光亮; 毛作军
Original assignee: Zunyi Changdian Switch Co ltd
Current assignee: Zunyi Changdian Switch Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-12
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an auxiliary contact structure of a firmly connected vacuum on-load tap-changer connecting wire, which relates to the field of auxiliary contacts and comprises a device body, wherein the top and the bottom of the front surface of the device body are symmetrically in threaded connection with first bolts, one side of the two first bolts, which is opposite to each other, is provided with a connector, the back surface of the connector is provided with a protection block, the center of the front surface of the protection block is provided with an assembly groove, the left side and the right side of the assembly groove are symmetrically provided with mounting blocks, the top and the bottom of the front surface of the two mounting blocks are symmetrically in threaded connection with second bolts, the center of one side of the two mounting blocks, which is opposite to each other, is symmetrically provided with empty grooves, the top and the bottom of inner cavities of the two empty grooves are symmetrically and fixedly connected with fixed blocks, and the side edges of the fixed blocks are provided with movable grooves. The auxiliary contact structure of the vacuum on-load tap-changer connecting wire is firm in connection, and damage to the body due to shaking can be effectively reduced.

Description

Auxiliary contact structure of vacuum on-load tap-changer connecting wire with firm connection

Technical Field

The utility model relates to the field of auxiliary contacts, in particular to an auxiliary contact structure of a vacuum on-load tap-changer connecting wire with firm connection.

Background

The switch connector is a connector which plays roles of switching and short-circuit in a printed circuit board, and the conventional auxiliary contact for the switch connector has a single structural effect, cannot protect an internal structure and cannot firmly fix a connecting line.

Therefore, it is necessary to provide an auxiliary contact structure for a vacuum on-load tap-changer connection line with a reliable connection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an auxiliary contact structure of a vacuum on-load tap-changer connecting wire with firm connection, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an auxiliary contact structure of a vacuum on-load tap-changer connecting wire with firm connection comprises a device body, wherein the front top and the bottom of the device body are symmetrically in threaded connection with first bolts, one side of the two first bolts opposite to each other is provided with a connector, the back of the connector is provided with a protective block, the front center of the protective block is provided with an assembly groove, the left side and the right side of the assembly groove are symmetrically provided with mounting blocks, the front top and the bottom of the two mounting blocks are symmetrically in threaded connection with second bolts, the center of one side of the two mounting blocks opposite to each other is symmetrically provided with empty grooves, the top and the bottom of the inner cavities of the two empty grooves are symmetrically and fixedly connected with fixed blocks, the side edges of the fixed blocks are provided with movable grooves, the inner cavities of the movable grooves are fixedly connected with first springs, the side edges of the first springs are fixedly connected with ejector blocks, and the back of the ejector blocks are provided with cable grooves, the cable groove is characterized in that sliding grooves are symmetrically formed in the top and the bottom of the cable groove, two sliding groove inner cavities are symmetrically and fixedly connected with second springs at the opposite sides, mounting grooves are symmetrically formed in the left side and the right side of each second spring, a third bolt is arranged at one end of each mounting groove, a moving block is in threaded connection with the front face of each third bolt, a connecting column is arranged at one end of each moving block, and a clamping block is fixedly connected with one end of each connecting column.

Preferably, the interface is arranged in the center of the front surface of the device body, and the protection block is sleeved on the back surface of the device body through the assembling groove.

Preferably, one opposite side of the two mounting blocks is symmetrically and fixedly connected to the centers of the left side and the right side of the protection block.

Preferably, the fixed block has four, two fixed blocks are a set of, every group the fixed block is mutually away from one side symmetrical fixed connection that one side was carried on the back in two dead slots inner chambers, first spring has four, two first springs are a set of, every group the first spring is mutually away from one side symmetrical fixed connection that one side was carried on the back in every group fixed block inner chamber, the inclined plane has been seted up in the front of kicking block, kicking block swing joint is in the inner chamber of assembly groove.

Preferably, the cable groove is arranged in the center of the back of the protection block, the two sliding grooves are symmetrically arranged at the top and the bottom of the back of the protection block, and the mounting grooves are symmetrically arranged at the left side and the right side of the top and the bottom of the back of the protection block.

Preferably, the number of the moving blocks is two, the front sides of the two moving blocks are symmetrically and movably connected in the inner cavities of the two sliding grooves, one side of each of the two second springs opposite to each other is symmetrically and fixedly connected to one side of each of the two moving blocks opposite to each other, the connecting columns are two, one side of each of the two connecting columns opposite to each other is symmetrically and fixedly connected to one side of each of the two moving blocks opposite to each other, the third bolt is matched with the mounting groove in size, a groove is formed in the center of the inner cavity of the cable groove, the number of the clamping blocks is two, and the clamping blocks are symmetrically and movably connected in the inner cavities of the grooves.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this connect firm vacuum to have auxiliary contact structure of tapping switch connecting wire of carrying, through the assembly groove that sets up, make the back of device body can block into the inner chamber to the protection piece, through the second bolt that sets up, can fix the dead slot on the installation face, in order to play the effect with the installation of device body, through the first spring that sets up, after the back of device body gets into the inner chamber to the assembly groove, can push up four kicking blocks to the left and right sides of device body, make it can fix in the inner chamber of protection piece, when producing and rocking, the kicking block also can be withstood it, make its reduction rock.

2. This connect firm vacuum on-load tap-changer connecting wire's auxiliary contact structure can drive the spliced pole through the movable block that removes the setting and remove in the inner chamber of recess to this drives two clamp splices and removes, after removing the position with connecting wire size looks adaptation, screws up the third bolt, can accomplish the fixed of clamp splice, and the second spring can push up the movable block to the inner chamber in cable groove simultaneously for the clamp splice can press from both sides the connecting wire tightly constantly.

Drawings

FIG. 1 is a schematic structural view of the front face of the present invention;

FIG. 2 is a schematic view of the left mounting block of the present invention;

FIG. 3 is a schematic view of the back of the protective block of the present invention;

fig. 4 is an enlarged view of the utility model at a in fig. 3.

In the figure: 1. a device body; 2. a first bolt; 3. an interface; 4. a protection block; 5. assembling a groove; 6. Mounting blocks; 7. a second bolt; 8. an empty groove; 9. a fixed block; 10. a movable groove; 11. a first spring; 12. a top block; 13. a cable trough; 14. a chute; 15. a second spring; 16. mounting grooves; 17. a third bolt; 18. a moving block; 19. a groove; 20. connecting columns; 21. and (5) clamping blocks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained by combining the specific embodiments.

As shown in fig. 1-4, an auxiliary contact structure of a firmly connected vacuum on-load tap-changer connecting wire comprises a device body 1, wherein the top and the bottom of the front surface of the device body 1 are symmetrically and threadedly connected with first bolts 2, one side of the two first bolts 2 opposite to each other is provided with a connector 3, the back surface of the connector 3 is provided with a protective block 4, the center of the front surface of the protective block 4 is provided with an assembly groove 5, the connector 3 is arranged in the center of the front surface of the device body 1, the protective block 4 is sleeved on the back surface of the device body 1 through the assembly groove 5, the left and the right sides of the assembly groove 5 are symmetrically provided with mounting blocks 6, one side of the two mounting blocks 6 opposite to each other is symmetrically and fixedly connected in the centers of the left and the right sides of the protective block 4, the top and the bottom of the front surfaces of the two mounting blocks 6 are symmetrically and threadedly connected with second bolts 7, the center of one side of the two mounting blocks 6 opposite to each other is symmetrically provided with a hollow groove 8, the top and the bottom of the inner cavities of the two empty grooves 8 are symmetrically and fixedly connected with fixed blocks 9, the side edges of the fixed blocks 9 are provided with movable grooves 10, the inner cavity of each movable groove 10 is fixedly connected with a first spring 11, the side edge of each first spring 11 is fixedly connected with a top block 12, the number of the fixed blocks 9 is four, two fixed blocks 9 are in one group, one side of each group of fixed blocks 9, which is opposite to each other, is symmetrically and fixedly connected to one side of each group of fixed blocks 9, which is opposite to each other, the front surface of each top block 12 is provided with an inclined surface, the back surface of each top block 12 is provided with a cable groove 13, the top and the bottom of each cable groove 13 are symmetrically provided with sliding grooves 14, one side of the two sliding grooves 14, which is opposite to each other, is symmetrically and fixedly connected with second springs 15, the left and right sides of the two second springs 15 are symmetrically provided with mounting grooves 16, the cable groove 13 is arranged in the center of the back of the protection block 4, the two sliding grooves 14 are symmetrically arranged at the top and the bottom of the back of the protection block 4, the mounting grooves 16 are symmetrically arranged at the left and right sides of the top and the bottom of the back of the protection block 4, one end of the mounting groove 16 is provided with a third bolt 17, the front of the third bolt 17 is in threaded connection with a moving block 18, one end of the moving block 18 is provided with a connecting column 20, one end of the connecting column 20 is fixedly connected with a clamping block 21, the number of the moving blocks 18 is two, the front of the two moving blocks 18 are symmetrically and movably connected in the inner cavities of the two sliding grooves 14, one side opposite to the two second springs 15 is symmetrically and fixedly connected to one side opposite to the front of the two moving blocks 18, the two connecting columns 20 are symmetrically and fixedly connected to one side opposite to the front of the two moving blocks 18, the third bolt 17 is matched with the size of the mounting groove 16, and the center of the inner cavity of the cable groove 13 is provided with a groove 19, the two clamping blocks 21 are symmetrically and movably connected in the inner cavity of the groove 19, the back surface of the device body 1 can be clamped into the inner cavity of the protection block 4 through the arranged assembly groove 5, the empty groove 8 can be fixed on the installation surface through the arranged second bolt 7 so as to achieve the effect of installing the device body 1, the four jacking blocks 12 can be jacked towards the left side and the right side of the device body 1 after the back surface of the device body 1 enters the inner cavity of the assembly groove 5 through the arranged first spring 11 so as to be fixed in the inner cavity of the protection block 4, when shaking occurs, the jacking blocks 12 can also jack the jacking blocks, so that shaking is reduced, the connecting column 20 can be driven to move in the inner cavity of the groove 19 through moving the arranged moving block 18, so that the two clamping blocks 21 are driven to move, and after the connecting column is moved to the position matched with the size of the connecting line, the third bolt 17 is screwed tightly, namely, the fixing of the clamping block 21 can be completed, and the second spring 15 can push the moving block 18 to the inner cavity of the cable groove 13, so that the clamping block 21 can clamp the connecting line at any time.

It should be noted that the utility model is an auxiliary contact structure of a vacuum on-load tap-changer connecting line which is firmly connected, when in use, the back of the device body 1 is clamped into the inner cavity of the protection block 4 through the assembly groove 5, when the device body 1 completely enters the inner cavity of the protection block 4, the first spring 11 will push the top block 12 to the left and right sides of the device body 1, so that the back of the device body 1 can be fixed in the inner cavity of the assembly groove 5, the connecting wire of the device body 1 is taken out from the cable groove 13, the third bolt 17 is loosened, the second spring 15 drives the moving block 18 to jack the center of the cable groove 13, thereby driving the two clamping blocks 21 to clamp the outer wall of the connecting line, screwing the third bolt 17, fixing the movable block 18, the installation of the apparatus body 1 can be completed by installing the installation block 6 on the installation surface by the second bolt 7.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connect firm vacuum on-load tap-changer connecting wire's auxiliary contact structure, includes device body (1), its characterized in that: the device is characterized in that the front top and the bottom of the device body (1) are symmetrically in threaded connection with first bolts (2), one side of each of the two first bolts (2) opposite to each other is provided with an interface (3), the back of the interface (3) is provided with a protection block (4), the front center of the protection block (4) is provided with an assembly groove (5), the left side and the right side of the assembly groove (5) are symmetrically provided with installation blocks (6), the front top and the bottom of the two installation blocks (6) are symmetrically in threaded connection with second bolts (7), the center of one side of each of the two installation blocks (6) opposite to each other is symmetrically provided with a hollow groove (8), the top and the bottom of the inner cavity of the two hollow grooves (8) are symmetrically and fixedly connected with fixed blocks (9), the side of each fixed block (9) is provided with a movable groove (10), and the inner cavity of each movable groove (10) is fixedly connected with a first spring (11), the side fixedly connected with kicking block (12) of first spring (11), the back of kicking block (12) is provided with cable groove (13), the top and the bottom symmetry of cable groove (13) are provided with spout (14), two one side symmetry fixedly connected with second spring (15) that spout (14) inner chamber was carried on the back mutually, two the left and right sides symmetry of second spring (15) is provided with mounting groove (16), the one end of mounting groove (16) is provided with third bolt (17), the front threaded connection of third bolt (17) has movable block (18), the one end of movable block (18) is provided with spliced pole (20), the one end fixedly connected with clamp splice (21) of spliced pole (20).

2. The auxiliary contact structure of claim 1, wherein the auxiliary contact structure is characterized in that: the interface (3) is arranged in the center of the front surface of the device body (1), and the protection block (4) is sleeved on the back surface of the device body (1) through the assembling groove (5).

3. The auxiliary contact structure of claim 1, wherein the auxiliary contact structure is characterized in that: and one opposite side of the two mounting blocks (6) is symmetrically and fixedly connected in the middle of the left side and the right side of the protection block (4).

4. The auxiliary contact structure of claim 1, wherein the auxiliary contact structure is characterized in that: fixed block (9) have four, two of fixed block (9) are a set of, every group fixed block (9) one side symmetry fixed connection that backs on the back mutually in two dead slots (8) one side that the inner chamber was carried on the back mutually, first spring (11) have four, two of first spring (11) are a set of, every group one side symmetry fixed connection that first spring (11) carried on the back mutually is in the one side that every fixed block (9) inner chamber was carried on the back mutually, the front of kicking block (12) is seted up and is had the inclined plane, kicking block (12) swing joint is in the inner chamber of assembly groove (5).

5. The auxiliary contact structure of claim 1, wherein the auxiliary contact structure is characterized in that: the centre at protection piece (4) back is seted up in cable groove (13), two top and bottom at the protection piece (4) back are seted up to spout (14) symmetry, the left and right sides at protection piece (4) back top and bottom is seted up to mounting groove (16) symmetry.

6. The auxiliary contact structure of claim 1, wherein the auxiliary contact structure is characterized in that: the movable blocks (18) are two, the front surfaces of the two movable blocks (18) are symmetrically and movably connected into inner cavities of the two sliding grooves (14), one side, opposite to the second springs (15), of each second spring is symmetrically and fixedly connected to one side, opposite to the front surfaces of the two movable blocks (18), the connecting columns (20) are two, one side, opposite to the back surfaces of the connecting columns (20), of each connecting column is symmetrically and fixedly connected to one side, opposite to the front surfaces of the two movable blocks (18), the third bolts (17) are matched with the mounting grooves (16) in size, grooves (19) are formed in the center of the inner cavity of the cable groove (13), the clamping blocks (21) are two, and the clamping blocks (21) are symmetrically and movably connected into the inner cavities of the grooves (19).