CN217590624U - Anti-falling light storage inverter shell - Google Patents

Abstract

The utility model discloses a resistant light that falls stores up dc-to-ac converter shell, store up the dc-to-ac converter shell main part including the light, still set up power key, display screen, heat dissipation hole district, prevent falling parts such as mechanism and damper, wherein prevent falling the mechanism and support installation piece, screw thread mounting groove, auxiliary stay bar and a direction installation piece and constitute by resilient gasket, buffer spacer. A resistant light that falls stores up dc-to-ac converter shell, reduce the light through the setting elastic shim and the double buffering of buffer shim and store up the dc-to-ac converter shell main part and fall the ground surface time and strike and store up the dc-to-ac converter and cause the damage to the light storage dc-to-ac converter, the support installation piece that sets up, screw thread mounting groove and a direction installation piece are convenient to prevent falling the mechanism and install the front and back end that the light stored up dc-to-ac converter shell main part, U type conduction piece through setting up, direction erection column and damping spring will shake conduction damping spring and reduce vibrations, thereby weaken vibrations and put up the influence of dc-to-ac converter to the light, bring better use prospect.

Description

Anti-falling light storage inverter shell

Technical Field

The utility model relates to a light stores up dc-to-ac converter technical field specifically is a resistant light that falls stores up inverter housing.

Background

The inverter is a converter for converting DC electric energy (battery, accumulator) into constant-frequency constant-voltage or frequency-modulation voltage-regulation AC (generally 220V,50Hz sine wave), and is composed of inverter bridge, control logic and filter circuit.

In the prior art, a chinese patent document CN202020839441.1 describes a hybrid power supply system based on a household and a UPS, in which an optical storage inverter is disclosed, which has the disadvantage that the existing optical storage inverter housing has the following two problems when being installed and used:

1. the existing light storage inverter shell is easy to cause the light storage inverter to fall down due to accidents in use, and therefore damage is caused.

2. When the existing light storage inverter shell is used, the interior of the light storage inverter is easily affected due to vibration.

In view of the above disadvantages, certain adverse effects are brought to the use process of people, and therefore a drop-resistant light storage inverter shell is provided, so that the problems are overcome.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a resistant light that falls stores up dc-to-ac converter shell possesses and prevents falling and advantages such as shock attenuation, can effectively solve the problem in the background art.

Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a resistant light that falls stores up dc-to-ac converter shell, stores up the dc-to-ac converter shell main part including the light, the center that the surface stored up dc-to-ac converter shell main part upper end was stored up to the light can be dismantled and connect the power key, the one end that the surface stored up dc-to-ac converter shell main part upper end was stored up to the light can be dismantled and connect the display screen, the both ends that the surface stored up dc-to-ac converter shell main part front and back end surface all are seted up and are put the radiating hole region, the equal detachable connection of front and back end surface of light storage dc-to-ac converter shell main part prevents falling the mechanism, the equal fixed connection damper in four corners of light storage dc-to-ac converter shell main part lower extreme surface.

Preferably, a set of prevent falling mechanism and support installation piece, screw thread mounting groove, auxiliary stay bar and No. one guide mounting piece including resilient pad, buffer pad.

Preferably, the bumper pad is located resilient pads's front end surface, support the middle part that the installation piece is located bumper pad front end surface, the screw thread mounting groove is provided with two sets ofly, and is located the both ends that support installation piece front end surface respectively, the auxiliary stay is located the lower extreme of bumper pad front end surface, a direction installation piece is provided with two sets ofly, and is located the both ends of auxiliary stay front end surface respectively.

Preferably, be provided with the fixed glue between elastic support piece and the buffer spacer, the front end surface of elastic support piece passes through the fixed glue and is connected with the rear end fixed surface of buffer spacer, buffer spacer and support are provided with the fixed glue between the installation piece, the front end surface of buffer spacer passes through the fixed glue and is connected with the rear end fixed surface who supports the installation piece, the screw thread mounting groove is seted up at the front end surface that supports the installation piece, be provided with the fixed glue between buffer spacer and the auxiliary stay strip, the front end surface of buffer spacer passes through the fixed glue and is connected with the rear end fixed surface of auxiliary stay strip, be provided with the fixed glue between auxiliary stay strip and the direction installation piece, the front end surface of auxiliary stay strip passes through the fixed glue and is connected with the rear end fixed surface of a direction installation piece.

Preferably, one group of damping mechanism includes supporting shoe shell, anti-skidding gasket, no. two direction installation pieces, U type conducting block, direction erection column and damping spring.

Preferably, the supporting block shells are provided with two groups and are respectively located at two ends of the outer surface of the upper end of the anti-skid gasket, the second guide mounting blocks are provided with four groups and are respectively located at the front end and the rear end of the middle part of the outer surface of the lower ends of the two groups of supporting block shells, the U-shaped conducting block is located on the inner wall of the two groups of supporting block shells, the guide mounting column is located in the center of the inner surfaces of the two ends of the U-shaped conducting block, and the damping spring is located on the outer wall of the guide mounting column.

Preferably, a set of the supporting block shell is welded with another set of supporting block shell, a fixing glue is arranged between the supporting block shell and the anti-skid gasket, the outer surface of the lower end of the supporting block shell is fixedly connected with the outer surface of the upper end of the anti-skid gasket through the fixing glue, a mounting groove is arranged between the supporting block shell and the second guide mounting block, the outer surface of the lower end of the supporting block shell is detachably connected with the outer wall of the second guide mounting block through the mounting groove, the fixing glue is arranged between the anti-skid gasket and the second guide mounting block, the outer surface of the upper end of the anti-skid gasket is fixedly connected with the outer surface of the lower end of the second guide mounting block through the fixing glue, the mounting groove is arranged between the supporting block shell and the U-shaped conducting block, the inner wall of the supporting block shell is detachably connected with the outer wall of the U-shaped conducting block through the mounting groove, the fixing glue is arranged between the U-shaped conducting block and the guide mounting column, the inner surfaces of the two ends of the U-shaped conducting block are fixedly connected with the outer surfaces of the two ends of the guide mounting column through the fixing glue, and the damping spring is compressed and placed between the inner surfaces of the two ends of the U-shaped conducting block.

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

the utility model discloses in, reduce the light through the setting through the elastic shim who sets up and buffer shim's double buffering and store up the dc-to-ac converter shell main part and strike when falling to the ground and store up the dc-to-ac converter and cause the damage to the light storage dc-to-ac converter, the support installation piece of setting, screw thread mounting groove and a direction installation piece will be convenient will prevent falling the mechanism and install the front and back end that the light stored up the dc-to-ac converter shell main part, through the U type conduction piece that sets up, direction erection column and damping spring will shake and conduct damping spring and reduce vibrations to weaken vibrations and store up the inside influence of dc-to-ac converter to the light.

Drawings

Fig. 1 is the utility model relates to a resistant light that falls stores up inverter housing's overall structure schematic diagram.

Fig. 2 is the utility model relates to a structural schematic diagram of falling-proof mechanism in resistant light stores up inverter housing.

Fig. 3 is the utility model relates to a shock-absorbing mechanism's in resistant light that falls stores up inverter housing structural schematic.

Fig. 4 is the utility model relates to a shock-absorbing mechanism's in resistant light that falls stores up inverter housing internal structure schematic diagram.

In the figure: 1. a light storing inverter housing main body; 2. a power key; 3. a display screen; 4. a heat dissipation hole area; 5. an anti-falling mechanism; 6. a damping mechanism; 51. an elastic pad; 52. a cushion pad; 53. supporting the mounting block; 54. a thread mounting groove; 55. auxiliary supporting strips; 56. a first guide mounting block; 61. a support block housing; 62. an anti-slip gasket; 63. a second guide mounting block; 64. a U-shaped conductive block; 65. a guide mounting post; 66. a shock absorbing spring.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 the 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" and "second" 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Detailed description of the preferred embodiment

The present embodiment is an embodiment of a drop-resistant light storing inverter housing.

As shown in fig. 1-4, a drop-resistant optical storage inverter housing comprises an optical storage inverter housing main body 1, and an optical storage inverter based on a household and UPS hybrid power supply system, which is referred to in chinese patent No. CN202020839441.1, is a prior art, wherein a power key 2 is detachably connected to the center of the outer surface of the upper end of the optical storage inverter housing main body 1, a display screen 3 is detachably connected to one end of the outer surface of the upper end of the optical storage inverter housing main body 1, heat dissipation hole regions 4 are respectively formed at two ends of the outer surface of the front end and the rear end of the optical storage inverter housing main body 1, a drop-resistant mechanism 5 is detachably connected to the outer surface of the front end and the rear end of the optical storage inverter housing main body 1, and damping mechanisms 6 are fixedly connected to four corners of the outer surface of the lower end of the optical storage inverter housing main body 1.

The anti-falling mechanism 5 comprises an elastic gasket 51, a buffer gasket 52, a supporting and mounting block 53, a thread mounting groove 54, an auxiliary supporting bar 55 and a first guide mounting block 56; the buffer gasket 52 is positioned on the outer surface of the front end of the elastic gasket 51, the support mounting block 53 is positioned in the middle of the outer surface of the front end of the buffer gasket 52, two groups of thread mounting grooves 54 are arranged and are respectively positioned at two ends of the outer surface of the front end of the support mounting block 53, the auxiliary support bar 55 is positioned at the lower end of the outer surface of the front end of the buffer gasket 52, and two groups of first guide mounting blocks 56 are arranged and are respectively positioned at two ends of the outer surface of the front end of the auxiliary support bar 55; a fixing adhesive is arranged between the elastic gasket 51 and the buffer gasket 52, the outer surface of the front end of the elastic gasket 51 is fixedly connected with the outer surface of the rear end of the buffer gasket 52 through the fixing adhesive, the fixing adhesive is arranged between the buffer gasket 52 and the support mounting block 53, the outer surface of the front end of the buffer gasket 52 is fixedly connected with the outer surface of the rear end of the support mounting block 53 through the fixing adhesive, the thread mounting groove 54 is formed in the outer surface of the front end of the support mounting block 53, the fixing adhesive is arranged between the buffer gasket 52 and the auxiliary support bar 55, the outer surface of the front end of the buffer gasket 52 is fixedly connected with the outer surface of the rear end of the auxiliary support bar 55 through the fixing adhesive, the fixing adhesive is arranged between the auxiliary support bar 55 and the first guide mounting block 56, and the outer surface of the front end of the auxiliary support bar 55 is fixedly connected with the outer surface of the rear end of the first guide mounting block 56 through the fixing adhesive; the group of damping mechanisms 6 comprises a supporting block shell 61, an anti-skidding gasket 62, a second guide mounting block 63, a U-shaped guide block 64, a guide mounting column 65 and a damping spring 66; two groups of supporting block shells 61 are arranged and are respectively positioned at two ends of the outer surface of the upper end of the anti-skid gasket 62, four groups of second guide mounting blocks 63 are arranged and are respectively positioned at the front end and the rear end of the middle part of the outer surface of the lower end of the two groups of supporting block shells 61, the U-shaped conducting block 64 is positioned on the inner wall of the two groups of supporting block shells 61, the guide mounting post 65 is positioned in the center of the inner surface of the two ends of the U-shaped conducting block 64, and the damping spring 66 is positioned on the outer wall of the guide mounting post 65; one set of supporting block shell 61 is welded with another set of supporting block shell 61, be provided with the fixed glue between supporting block shell 61 and the anti-skidding gasket 62, the lower extreme surface of supporting block shell 61 passes through the fixed glue and is connected with the upper end surface fixed connection of anti-skidding gasket 62, be provided with the mounting groove between supporting block shell 61 and the second guide mounting piece 63, the lower extreme surface of supporting block shell 61 passes through the mounting groove and can dismantle with the outer wall of No. two guide mounting pieces 63 and be connected, be provided with the fixed glue between anti-skidding gasket 62 and No. two guide mounting pieces 63, the upper end surface of anti-skidding gasket 62 passes through the fixed glue and is connected with the lower extreme surface fixed connection of No. two guide mounting pieces 63, be provided with the mounting groove between supporting block shell 61 and the U type conduction piece 64, the inner wall of supporting block shell 61 passes through the mounting groove and can dismantle with the outer wall of U type conduction piece 64 and be connected, be provided with the fixed glue between U type conduction piece 64 and the guide mounting post 65, the both ends surface fixed connection of both ends of U type conduction piece 64 is placed in the compression of damping spring 66.

It should be noted that the utility model relates to a fall-resistant optical storage inverter housing, which comprises an optical storage inverter housing main body 1, a power key 2, a display screen 3, a heat dissipation hole region 4, a fall-resistant mechanism 5, a damping mechanism 6 and other parts, wherein the fall-resistant mechanism 5 comprises an elastic gasket 51, a buffer gasket 52, a support mounting block 53, a thread mounting groove 54, an auxiliary support bar 55 and a guide mounting block 56, the elastic gasket 51 is arranged as the outermost layer of the fall-resistant mechanism 5, part of the impact received by the optical storage inverter housing main body 1 when falling down to the ground is decomposed by the elastic gasket 51, the buffer gasket 52 is arranged as the second buffer layer, so as to reduce the damage caused when the optical storage inverter housing main body 1 falls down to the lowest possible, thereby ensuring the use of the optical storage inverter housing, the support mounting block 53 and the thread mounting groove 54 are arranged to facilitate the installation of the fall-resistant mechanism 5 on the front and back end outer surfaces of the optical storage inverter housing main body 1, when the support installation piece 53 and the auxiliary support bar 55 that set up will prevent falling mechanism 5 and install in the front and back end of light-storage inverter housing main body 1, avoid setting prevent that falling mechanism 5 shelters from heat dissipation hole region 4, thereby influence a direction installation piece 56 that the radiating effect of light-storage inverter housing main body 1 set up and conveniently will prevent falling mechanism 5 and install the front and back end at light-storage inverter housing main body 1, will prevent falling mechanism 5 and install the front and back end surface at light-storage inverter housing main body 1 through set screw and screw thread mounting groove 54, this shock-absorbing mechanism 6 of resistant light-storage inverter housing who falls is by supporting shoe shell 61, anti-skidding gasket 62, no. two direction installation pieces 63, U type conduction piece 64, direction erection column 65 and damping spring 66 constitute, it conveniently installs damping component under light-storage inverter housing main body 1 through supporting shoe shell 61 that sets up The outer surface of the end, the damping part of the damping mechanism 6 is a U-shaped conductive block 64, a guide mounting post 65 and a damping spring 66, the set U-shaped conductive block 64 can transmit the vibration sensed by the supporting block shell 61 to the damping spring 66 in a solid-solid contact mode, and the damping spring 66 can reduce the vibration through the self-structure effect, thereby weakening the influence of the vibration on the inside of the optical storage inverter, ensuring the use of the optical storage inverter, the set anti-skid gasket 62 is used as an auxiliary part when the optical storage inverter is not mounted on machinery, and avoiding the optical storage inverter from being placed on a plane, the lower end of the optical storage inverter shell body 1 is smooth and slides easily, so that the optical storage inverter falls on the ground, and the set second guide mounting block 63 is convenient for mounting the anti-skid gasket 62 on the outer surfaces of the lower ends of the two sets of supporting block shells 61.

Detailed description of the invention

The present embodiment is an embodiment of a drop-resistant mechanism for use on a drop-resistant light-storing inverter housing.

As shown in fig. 1-2, an anti-falling mechanism 5 for use on a drop-resistant optical storage inverter housing, the anti-falling mechanism 5 includes an elastic pad 51, a buffer pad 52 supports an installation block 53, a thread installation groove 54, an auxiliary support bar 55 and a guide installation block 56, the buffer pad 52 is located on the front end outer surface of the elastic pad 51, the support installation block 53 is located in the middle of the front end outer surface of the buffer pad 52, the thread installation groove 54 is provided with two sets of support installation blocks, and is located on both ends of the front end outer surface of the support installation block 53, the auxiliary support bar 55 is located on the lower end of the front end outer surface of the buffer pad 52, the first guide installation block 56 is provided with two sets of support installation blocks, and is located on both ends of the front end outer surface of the auxiliary support bar 55, a fixing glue is provided between the elastic pad 51 and the buffer pad 52, the front end outer surface of the elastic pad 51 is fixedly connected with the rear end outer surface of the buffer pad 52 through a fixing glue, the front end outer surface of the buffer pad 52 is provided with the auxiliary support installation block 52 through a fixing glue, the rear end fixing glue is provided between the front end outer surface of the buffer pad 52 and the auxiliary support installation block 55, and the auxiliary support installation block are provided with the auxiliary support installation block 55 through a fixing glue, and the auxiliary support mounting block 55, and the auxiliary support block 55.

Detailed description of the preferred embodiment

The present embodiment is an embodiment of a shock absorbing mechanism for a crash-resistant light storing inverter housing.

As shown in fig. 1 and 3-4, a shock absorbing mechanism 6 for a drop-resistant photo-storage inverter housing, wherein a group of shock absorbing mechanisms 6 comprises a supporting block housing 61, an anti-skid gasket 62, a second guide mounting block 63, a U-shaped conductive block 64, guide mounting posts 65 and shock absorbing springs 66, the supporting block housing 61 is provided with two groups and is respectively positioned at two ends of the outer surface of the upper end of the anti-skid gasket 62, the second guide mounting block 63 is provided with four groups and is respectively positioned at the front end and the rear end of the middle part of the outer surface of the lower end of the two groups of supporting block housings 61, the U-shaped conductive block 64 is positioned on the inner wall of the two groups of supporting block housings 61, the guide mounting posts 65 are positioned at the center of the inner surfaces of the two ends of the U-shaped conductive block 64, the shock absorbing springs 66 are positioned on the outer wall of the guide mounting posts 65, one group of supporting block housings 61 is welded with the other group of supporting block housings 61, and fixing glue is arranged between the supporting block housings 61 and the anti-skid gasket 62, the outer surface of the lower end of the supporting block shell 61 is fixedly connected with the outer surface of the upper end of the anti-skidding gasket 62 through fixing glue, a mounting groove is arranged between the supporting block shell 61 and the second guide mounting block 63, the outer surface of the lower end of the supporting block shell 61 is detachably connected with the outer wall of the second guide mounting block 63 through the mounting groove, the fixing glue is arranged between the anti-skidding gasket 62 and the second guide mounting block 63, the outer surface of the upper end of the anti-skidding gasket 62 is fixedly connected with the outer surface of the lower end of the second guide mounting block 63 through the fixing glue, the mounting groove is arranged between the supporting block shell 61 and the U-shaped conducting block 64, the inner wall of the supporting block shell 61 is detachably connected with the outer wall of the U-shaped conducting block 64 through the mounting groove, the fixing glue is arranged between the U-shaped conducting block 64 and the guide mounting column 65, and the inner surfaces of two ends of the U-shaped conducting block 64 are fixedly connected with the outer surfaces of two ends of the guide mounting column 65 through the fixing glue, a damper spring 66 is placed in compression between the inner surfaces of the ends of the U-shaped conductive block 64.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a resistant light that falls stores up inverter housing, stores up inverter housing main part (1) including light, its characterized in that: the light stores up the center of inverter housing main part (1) upper end surface and can dismantle connection power key (2), the light stores up the one end of inverter housing main part (1) upper end surface and can dismantle and connect display screen (3), the both ends of light storage inverter housing main part (1) front and back end surface are all seted up and are put heat dissipation hole region (4), the light stores up all can dismantle the connection of front and back end surface of inverter housing main part (1) and prevent falling mechanism (5), the equal fixed connection damper in four corners (6) of light storage inverter housing main part (1) lower extreme surface.

2. A drop-resistant light storing inverter housing as defined in claim 1, wherein: the anti-falling mechanism (5) comprises an elastic gasket (51), a buffer gasket (52), a supporting and mounting block (53), a thread mounting groove (54), an auxiliary supporting bar (55) and a first guide mounting block (56).

3. A drop-resistant light storing inverter housing as defined in claim 2, wherein: buffer shim (52) are located the front end surface of resilient pad (51), support installation piece (53) and be located the middle part of buffer shim (52) front end surface, screw thread mounting groove (54) are provided with two sets ofly, and are located the both ends that support installation piece (53) front end surface respectively, auxiliary stay bar (55) are located the lower extreme of buffer shim (52) front end surface, a direction installation piece (56) are provided with two sets ofly, and are located the both ends of auxiliary stay bar (55) front end surface respectively.

4. A crash-tolerant light-storing inverter housing according to claim 3, wherein: be provided with the fixed glue between elastic pad (51) and buffer spacer (52), the front end surface of elastic pad (51) is through the fixed glue rear end surface fixed connection with buffer spacer (52), buffer spacer (52) and support and be provided with the fixed glue between installation piece (53), the front end surface of buffer spacer (52) is through the fixed glue rear end surface fixed connection with support installation piece (53), screw thread mounting groove (54) are seted up at the front end surface that supports installation piece (53), be provided with the fixed glue between buffer spacer (52) and auxiliary support bar (55), the front end surface of buffer spacer (52) is through the fixed glue rear end surface fixed connection with auxiliary support bar (55), be provided with the fixed glue between auxiliary support bar (55) and a direction installation piece (56), the front end surface of auxiliary support bar (55) is through the fixed glue rear end surface fixed connection with a direction installation piece (56).

5. A drop-resistant light storing inverter housing as defined in claim 1, wherein: and the group of damping mechanisms (6) comprises a supporting block shell (61), an anti-skidding gasket (62), a second guide mounting block (63), a U-shaped guide block (64), a guide mounting column (65) and a damping spring (66).

6. A drop-resistant light storing inverter housing as claimed in claim 5, wherein: the supporting block shell (61) is provided with two sets of, and is located the both ends of anti-skidding gasket (62) upper end surface respectively, no. two direction installation pieces (63) are provided with four sets of, and are located the front and back end in two sets of supporting block shell (61) lower extreme surface middle parts respectively, U type conduction piece (64) are located the inner wall of two sets of supporting block shell (61), direction erection column (65) are located the center of U type conduction piece (64) both ends internal surface, damping spring (66) are located the outer wall of direction erection column (65).

7. A drop-resistant light storing inverter housing as claimed in claim 6, wherein: the anti-skidding damping device is characterized in that one group of supporting block shells (61) are welded with the other group of supporting block shells (61), fixing glue is arranged between the supporting block shells (61) and the anti-skidding gaskets (62), the outer surfaces of the lower ends of the supporting block shells (61) are fixedly connected with the outer surfaces of the upper ends of the anti-skidding gaskets (62) through the fixing glue, a mounting groove is formed between the supporting block shells (61) and the second guide mounting block (63), the outer surfaces of the lower ends of the supporting block shells (61) are detachably connected with the outer walls of the second guide mounting block (63) through the mounting groove, the fixing glue is arranged between the anti-skidding gaskets (62) and the second guide mounting block (63), the outer surfaces of the upper ends of the anti-skidding gaskets (62) are detachably connected with the outer surfaces of the lower ends of the second guide mounting block (63) through the fixing glue, the mounting groove is formed between the supporting block shells (61) and the U-type conducting block (64), the inner walls of the supporting block shells (61) are detachably connected with the outer walls of the U-type conducting blocks (64) through the mounting groove, fixing glue is arranged between the U-type conducting block shells (64) and the guide mounting columns (65), and the inner surfaces of the two ends of the U-type conducting blocks (64) are connected with the inner surfaces of the two ends of the U-type conducting blocks (64), and the two compression springs (64), and the two ends of the two compression springs (64) through the two ends of the two fixing glue.

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