CN213783812U

CN213783812U - EM universal extension module applied to PLC and DDC control system

Info

Publication number: CN213783812U
Application number: CN202023027719.4U
Authority: CN
Inventors: 肖文广; 徐天宇
Original assignee: Tianjin Zhongrong Hengrui Technology Co ltd
Current assignee: Tianjin Zhongrong Hengrui Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-23
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a control system equipment technical field just discloses a be applied to general extension module of EM of PLC, DDC control system, which comprises a template, the fixed surface of template is connected with casing down, the last surface swing joint of casing has last casing down, first round hole has been seted up to the template lower surface. This be applied to PLC, general expansion module of EM of control system such as DDC, through setting up the activated carbon plate, the sponge board, the square bar, fixture block and closing plate, use through square bar and fixture block cooperation, activated carbon plate and sponge board can be placed, adsorb dust in to the air through the activated carbon plate, in addition the sponge board blocks dust in to the air, make the dust can not destroy the inside electronic component of extension mill board, thereby improve electronic component's live time, increase the leakproofness of casing and lower card shell through the closing plate, thereby improve expansion module's dustproof effect.

Description

EM universal extension module applied to PLC and DDC control system

Technical Field

The utility model relates to a control system equipment technical field specifically is a be applied to PLC, DDC control system's general extension module of EM.

Background

Generally, a PLC has a main unit, a power module, a CPU, and an I/O module integrated together, and sometimes, since the number of points required for controlling a control object is large and the number of I/O points of the main unit is insufficient, an expansion module needs to be added, or a specific control module, a communication module, an analog module and the like are required in some fields, and these modules are not integrated on the main unit, so that these expansion modules need to be added to meet the control requirements of the system.

Among the prior art, extension module does not carry out effectual dustproof to it when using, leads to the inside destruction electronic component that dust in the air got into extension module to reduce electronic component's live time, and extension module prevents that the ability that falls is relatively poor, falls on the ground as extension module, can make the inside electronic component of extension module damage, thereby makes extension module unable use, influences extension module's practical effect.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a be applied to PLC, the general expansion module of EM of DDC control system, possess and carry out effectual blockking to the dust of air, improve the advantage of expansion module anti-falling ability, it does not carry out effectual dustproof to it when using to have solved expansion module, the inside destruction electronic component that leads to dust in the air to get into expansion module, thereby reduce electronic component's live time, and expansion module can't prevent that the ability that falls is relatively poor, on the ground when expansion module falls, can make the inside electronic component of expansion module damage, thereby make expansion module can't use, influence the problem of expansion module's practical effect.

The utility model provides a following technical scheme: an EM universal expansion module applied to a PLC and DDC control system comprises a template, wherein the surface of the template is fixedly connected with a lower shell, the upper surface of the lower shell is movably connected with an upper shell, the lower surface of the template is provided with a first round hole, the upper surface of the lower shell is provided with a third round hole, the surface of the third round hole is movably connected with a first bolt, the surface of the first bolt is in threaded connection with a hexagon nut, the surface of the first bolt is movably sleeved with a first gasket, the surface of the first gasket is movably connected with the surface of the upper shell, the lower surface of the lower shell is fixedly connected with a round bar, the surface of the round bar is movably connected with a cylinder, the end part of the cylinder is fixedly connected with a square plate, the lower surface of the lower shell is fixedly connected with a damping spring, and the surface of the damping spring is fixedly connected with the upper surface of the, damping spring's surface and the surface swing joint of round bar, damping spring's surface and the surface swing joint of drum, the last fixed surface of going up the casing is connected with the shock attenuation board, the surface of shock attenuation board and the surface swing joint of casing down, the last surface swing joint of square slab has the sponge piece, the square groove has been seted up on the surface of sponge piece, the air vent has been seted up to the upper surface of going up the casing, the last fixed surface of going up the casing is connected with the rubber slab, the inner wall swing joint of going up the casing has the activated carbon board, the lower fixed surface of activated carbon board is connected with the sponge board, the surface of sponge board and the inner wall swing joint of last casing.

Preferably, a second gasket is movably sleeved on the surface of the first bolt, the surface of the second gasket is movably connected with the surface of the lower shell, and the surface of the second gasket is movably connected with the surface of the hexagon nut.

Preferably, the lower surface of the upper shell is movably connected with a sealing plate, the lower surface of the sealing plate is movably connected with the upper surface of the lower shell, a second round hole is formed in the upper surface of the sealing plate, and the inner wall of the second round hole is movably connected with the surface of the first bolt.

Preferably, the end of the round rod is fixedly connected with a limiting block, and the surface of the limiting block is movably connected with the inner wall of the cylinder.

Preferably, the surface of the sponge block is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a second bolt, the lower surface of the square plate is provided with a through hole, the inner wall of the through hole is movably connected with the surface of the second bolt, a third gasket is movably sleeved on the surface of the second bolt, and the surface of the third gasket is movably connected with the lower surface of the square plate.

Preferably, the inner wall of the upper shell is fixedly connected with a square rod, a clamping groove is formed in the surface of the square rod, a clamping block is fixedly connected to the surface of the activated carbon plate, the surface of the clamping block is movably connected with the surface of the clamping groove, and the surface of the square rod is movably connected with the surface of the activated carbon plate.

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

1. this be applied to PLC, general expansion module of EM of control system such as DDC, through setting up the activated carbon plate, the sponge board, the square bar, fixture block and closing plate, use through square bar and fixture block cooperation, activated carbon plate and sponge board can be placed, adsorb dust in to the air through the activated carbon plate, in addition the sponge board blocks dust in to the air, make the dust can not destroy the inside electronic component of extension mill board, thereby improve electronic component's live time, increase the leakproofness of casing and lower card shell through the closing plate, thereby improve expansion module's dustproof effect.

2. This be applied to PLC, general extension module of EM of control system such as DDC, through setting up the spring, the sponge board, rubber slab and shock attenuation board, through the sponge board, the use of shock attenuation board and rubber slab is protected the extension template, the injury that makes the extension template drop and receive on the ground reduces, at the elasticity through shock attenuation spring, the shaking force that slows down the extension template and receive when the extension template drops on the ground, thereby avoid the inside electronic component of extension module to damage, make extension module can normal use, avoid influencing extension module's practical effect.

Drawings

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

FIG. 2 is a schematic right sectional view of the structure of FIG. 1 of the present invention;

FIG. 3 is a schematic cross-sectional view of the cylinder of FIG. 1 according to the present invention;

fig. 4 is a schematic cross-sectional view of the second threaded rod of the structure of fig. 1.

In the figure: 1. a template; 2. an upper housing; 3. a lower housing; 4. a sealing plate; 5. a first circular hole; 6. a second circular hole; 7. a third circular hole; 8. a first bolt; 9. a hexagonal nut; 10. a second gasket; 11. a round bar; 12. a cylinder; 13. a limiting block; 14. a damping spring; 15. a square plate; 16. a damper plate; 17. a rubber plate; 18. a sponge block; 19. a square groove; 20. a threaded hole; 21. a second bolt; 22. a third gasket; 23. a square bar; 24. a card slot; 25. a clamping block; 26. An activated carbon plate; 27. a sponge plate; 28. a vent hole; 29. a first gasket; 30. and a through hole.

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. 1-4, an EM universal expansion module applied to a PLC and DDC control system includes a template 1, a lower housing 3 fixedly connected to a surface of the template 1, an upper housing 2 movably connected to an upper surface of the lower housing 3, a first circular hole 5 formed in a lower surface of the template 1, a third circular hole 7 formed in an upper surface of the lower housing 3, a first bolt 8 movably connected to a surface of the third circular hole 7, a hexagon nut 9 connected to a surface of the first bolt 8, a first gasket 29 movably sleeved on a surface of the first bolt 8, a second gasket 10 movably sleeved on a surface of the first bolt 8, a surface of the second gasket 10 movably connected to a surface of the lower housing 3, a surface of the second gasket 10 movably connected to a surface of the hexagon nut 9, the second gasket 10 preventing the hexagon nut 9 from directly contacting the lower housing 3, thereby avoiding abrasion caused by direct contact between the hexagon nut 9 and the lower shell 3, thereby improving the service life of the hexagon nut 9, the lower surface of the upper shell 2 is movably connected with the sealing plate 4, the lower surface of the sealing plate 4 is movably connected with the upper surface of the lower shell 3, the upper surface of the sealing plate 4 is provided with the second round hole 6, the inner wall of the second round hole 6 is movably connected with the surface of the first bolt 8, the sealing performance between the upper shell 2 and the lower shell 3 is increased through the sealing plate 4, thereby improving the dustproof effect of the expansion module, the lower surface of the lower shell 3 is fixedly connected with the round rod 11, the surface of the round rod 11 is movably connected with the cylinder 12, the end part of the round rod 11 is fixedly connected with the limiting block 13, the surface of the limiting block 13 is movably connected with the inner wall of the cylinder 12, the limiting block 13 is used for avoiding the round rod 11 from separating from the cylinder 12, thereby facilitating the damping of the expansion module, the end part of the cylinder 12 is fixedly connected with the square plate 15, the lower surface of the lower shell 3 is fixedly connected with a damping spring 14, the surface of the damping spring 14 is fixedly connected with the upper surface of a square plate 15, the surface of the damping spring 14 is movably connected with the surface of a round rod 11, the surface of the damping spring 14 is movably connected with the surface of a cylinder 12, the upper surface of the upper shell 2 is fixedly connected with a damping plate 16, the surface of the damping plate 16 is movably connected with the surface of the lower shell 3, the upper surface of the square plate 15 is movably connected with a sponge block 18, the surface of the sponge block 18 is provided with a square groove 19, the surface of the sponge block 18 is provided with a threaded hole 20, the inner wall of the threaded hole 20 is in threaded connection with a second bolt 21, the lower surface of the square plate 15 is provided with a through hole 30, the inner wall of the through hole 30 is movably connected with the surface of the second bolt 21, the surface of the second bolt 21 is movably sleeved with a third gasket 22, the surface of the third gasket 22 is movably connected with the lower surface of the square plate 15, through the fixed sponge piece 18 of second bolt 21, avoid sponge piece 18 to drop, thereby avoid unable to carry out the shock attenuation to expansion module, go up casing 2's upper surface and seted up air vent 28, the last fixed surface of going up casing 2 is connected with rubber slab 17, the inner wall swing joint of going up casing 2 has activated carbon plate 26, activated carbon plate 26's lower fixed surface is connected with sponge slab 27, sponge slab 27's surface and last casing 2's inner wall swing joint, go up casing 2's inner wall fixedly connected with square bar 23, draw-in groove 24 has been seted up on square bar 23's surface, activated carbon plate 26's fixed surface is connected with fixture block 25, fixture block 25's surface and the surface swing joint of draw-in groove 24, the surface of square bar 23 and activated carbon plate 26's surface swing joint, use through draw-in groove 24 and fixture block 25 cooperation, be used for placing activated carbon plate 26, thereby can prevent dust to expansion module.

The theory of operation, through draw-in groove 24 and fixture block 25, place activated carbon plate 26 and sponge board 27, cooperation through activated carbon plate 26 and sponge board 27, it is dustproof to advance the shape to the expansion module, in the cooperation through first bolt 8 and hexagon nut 9, it links together last casing 2 and lower casing 3 to rotate hexagon nut 9, place sponge piece 18 at fixture block 25's upper surface, link together sponge piece 18 and fixture block 25 through second bolt 21, elasticity through damping spring 14, thereby protect the expansion module, avoid the expansion module to break.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be applied to PLC, general extension module of EM of DDC control system, includes template (1), its characterized in that: the surface of the template (1) is fixedly connected with a lower shell (3), the upper surface of the lower shell (3) is movably connected with an upper shell (2), the lower surface of the template (1) is provided with a first round hole (5), the upper surface of the lower shell (3) is provided with a third round hole (7), the surface of the third round hole (7) is movably connected with a first bolt (8), the surface of the first bolt (8) is in threaded connection with a hexagon nut (9), the surface of the first bolt (8) is movably sleeved with a first gasket (29), the surface of the first gasket (29) is movably connected with the surface of the upper shell (2), the lower surface of the lower shell (3) is fixedly connected with a round rod (11), the surface of the round rod (11) is movably connected with a cylinder (12), and the end of the cylinder (12) is fixedly connected with a square plate (15), the damping device is characterized in that a damping spring (14) is fixedly connected to the lower surface of the lower shell (3), the surface of the damping spring (14) is fixedly connected with the upper surface of a square plate (15), the surface of the damping spring (14) is movably connected with the surface of a round rod (11), the surface of the damping spring (14) is movably connected with the surface of a cylinder (12), the upper surface of the upper shell (2) is fixedly connected with a damping plate (16), the surface of the damping plate (16) is movably connected with the surface of the lower shell (3), the upper surface of the square plate (15) is movably connected with a sponge block (18), a square groove (19) is formed in the surface of the sponge block (18), an air vent (28) is formed in the upper surface of the upper shell (2), a rubber plate (17) is fixedly connected with the upper surface of the upper shell (2), and an activated carbon plate (26) is movably connected with the inner wall of the upper shell (2), the lower surface of the activated carbon plate (26) is fixedly connected with a sponge plate (27), and the surface of the sponge plate (27) is movably connected with the inner wall of the upper shell (2).

2. The EM universal expansion module applied to the PLC and DDC control system according to claim 1, wherein: a second gasket (10) is movably sleeved on the surface of the first bolt (8), the surface of the second gasket (10) is movably connected with the surface of the lower shell (3), and the surface of the second gasket (10) is movably connected with the surface of the hexagonal nut (9).

3. The EM universal expansion module applied to the PLC and DDC control system according to claim 1, wherein: the lower surface of the upper shell (2) is movably connected with a sealing plate (4), the lower surface of the sealing plate (4) is movably connected with the upper surface of the lower shell (3), a second round hole (6) is formed in the upper surface of the sealing plate (4), and the inner wall of the second round hole (6) is movably connected with the surface of the first bolt (8).

4. The EM universal expansion module applied to the PLC and DDC control system according to claim 1, wherein: the end part of the round rod (11) is fixedly connected with a limiting block (13), and the surface of the limiting block (13) is movably connected with the inner wall of the cylinder (12).

5. The EM universal expansion module applied to the PLC and DDC control system according to claim 1, wherein: the surface of the sponge block (18) is provided with a threaded hole (20), the inner wall of the threaded hole (20) is in threaded connection with a second bolt (21), the lower surface of the square plate (15) is provided with a through hole (30), the inner wall of the through hole (30) is movably connected with the surface of the second bolt (21), the surface of the second bolt (21) is movably sleeved with a third gasket (22), and the surface of the third gasket (22) is movably connected with the lower surface of the square plate (15).

6. The EM universal expansion module applied to the PLC and DDC control system according to claim 1, wherein: go up inner wall fixedly connected with square bar (23) of casing (2), draw-in groove (24) have been seted up on the surface of square bar (23), the fixed surface of active carbon board (26) is connected with fixture block (25), the surface swing joint of the surface of fixture block (25) and draw-in groove (24), the surface swing joint of square bar (23) and active carbon board (26).