CN209374935U - A kind of low pressure fixed switching cabinet of circuit board screwless installation - Google Patents
A kind of low pressure fixed switching cabinet of circuit board screwless installation Download PDFInfo
- Publication number
- CN209374935U CN209374935U CN201920446430.4U CN201920446430U CN209374935U CN 209374935 U CN209374935 U CN 209374935U CN 201920446430 U CN201920446430 U CN 201920446430U CN 209374935 U CN209374935 U CN 209374935U
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- circuit board
- push rod
- slide bar
- hole
- low pressure
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Abstract
The utility model relates to technical field of electric equipment, specially a kind of low pressure fixed switching cabinet of circuit board screwless installation, including cabinet body, the inner sidewall of cabinet body offers mounting groove, circuit board is plugged in mounting groove, clamping device is socketed with outside slide bar, clamping device includes active box, L-type clamping plate, push rod, holddown spring and limit plate, movable chamber is opened up inside active box, and active box is through offering through-hole, push rod one end is fixedly connected with limit plate, the push rod other end extends through through-hole and holddown spring and connect with L-type Boards wall, and active box is through opening up the pilot hole to match with slide bar, slide bar passes through pilot hole and is fixedly connected with cabinet body.The utility model structure is simple, is installed by installation clamping device instead of traditional screw, and it adapts to the circuit board of different specifications, fixed effect is strong, installation easy to disassemble, has certain practicability.
Description
Technical field
The utility model relates to technical field of electric equipment, specially a kind of low pressure of circuit board screwless installation is fixed
Switchgear.
Background technique
Circuit board inside existing low pressure fixed switching cabinet generallys use screw and is fixedly mounted inside housings, screw
Fixed mode connection reliability is high, while also having very high positioning accuracy.But in this way, when circuit is asked
When topic needs repairing or replaces circuit board, the disassembly of screw is very troublesome, generally requires to take a substantial amount of time, causes circuit
The maintenance or replacement inefficiency of plate；And be easy to that the problem of screw is lost occurs in disassembly, and screw is once losing
Circuit board can not be reinstalled.
There are deficiencies below for existing technology:
1. the circuit board under the prior art inside low pressure fixed switching cabinet generallys use screw and is fixedly mounted in shell
Portion, such mounting means disassembly very trouble are time-consuming and laborious.
Summary of the invention
The purpose of this utility model is to provide a kind of low pressure fixed switching cabinets of circuit board screwless installation, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of low pressure of circuit board screwless installation
Fixed switching cabinet, including cabinet body, the inner sidewall of the cabinet body offer mounting groove, are plugged with circuit board in the mounting groove,
The both ends of mounting groove are fixedly installed with slide bar, and clamping device is socketed with outside the slide bar, and the clamping device includes activity
Case, L-type clamping plate, push rod, holddown spring and limit plate open up movable chamber inside the active box, and run through before and after active box
The through-hole that multiple groups match with push rod is offered, the holddown spring is placed on and through-hole opposite position, described push rod one end
It is fixedly connected with limit plate, the push rod other end extends through through-hole and holddown spring and connect with L-type Boards wall, and activity
Case passes through pilot hole and is fixedly connected with cabinet body through the pilot hole to match with slide bar, the slide bar is opened up.
Preferably, the holddown spring installs restraining position ring block far from one end of limit plate, and the stop collar is fixed with push rod
Connection, and the diameter of stop collar should be greater than the diameter of through-hole.
Preferably, one end fixed installation and its integrally formed fixture block of the L-type clamping plate far from push rod, and circuit board
Upper end opens up the limiting slot to match with fixture block, and the fixture block is plugged in limiting slot.
Preferably, two groups of retention beads are symmetrical arranged on the slide bar, the retention bead and slide bar are integrally formed, and are led
It is recessed with the guide groove to match with retention bead outward to hole.
Preferably, the limit plate is fixedly connected with handle far from one end of push rod, and the handle outer surface offers anti-
Sliding line.
Compared with prior art, the utility model has the beneficial effects that
1. a guiding can be played the role of to active box by installation slide bar.It, can be to pressure by installing push rod
Tight spring plays the role of a guiding.By setting retention bead, the effect for carrying out left and right limit can be played to active box,
So that active box can only move up and down on slide bar.
2. the utility model structure is simple, installed by installation clamping device instead of traditional screw, and it can be fitted
The circuit board of different specifications is answered, fixed effect is strong, installation easy to disassemble, has certain practicability.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that circuit board is installed figure；
Fig. 3 is the non-installation diagram of circuit board；
Fig. 4 is the explosive view of clamping device in the utility model；
In figure: cabinet body 1, mounting groove 11, clamping device 2, active box 3, movable chamber 31, through-hole 32, pilot hole 33, L-type folder
Plate 4, fixture block 41, push rod 5, stop collar 51, holddown spring 6, limit plate 7, handle 71, slide bar 8, retention bead 81, circuit board 9,
Limiting slot 91.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of low pressure of circuit board screwless installation
Fixed switching cabinet, including cabinet body 1, the inner sidewall of cabinet body 1 offer mounting groove 11, and circuit board 9 is plugged in mounting groove 11, peace
The both ends of tankage 11 are fixedly installed with slide bar 8, which is welding.By installing slide bar 8, active box 3 can be risen
The effect being oriented to one.Clamping device 2 is socketed with outside slide bar 8, clamping device 2 includes active box 3, L-type clamping plate 4, push rod
5, holddown spring 6 and limit plate 7.By installing clamping device 2, circuit board 9 can be further fixed.
As shown in figure 4, active box 3 is to be formed by two small box by screw association.In this way, can be in order to pushing away
The installation of the inside of bar 5 and holddown spring 6.Movable chamber 31 is opened up inside active box 3, and is run through before and after active box 3 and offered three
The through-hole 32 that group matches with push rod 5, holddown spring 6 are placed in movable chamber 3, and corresponding with through-hole 32.5 one end of push rod with
Limit plate 7 is fixedly connected, which is to be spirally connected.5 other end of push rod extends through through-hole 32 and holddown spring 6 and and L
Type clamping plate 4 is fixedly connected, which is to be spirally connected.And active box 3 is slided through the pilot hole 33 to match with slide bar 8 is opened up
Bar 8 passes through pilot hole 33 and is fixedly connected with cabinet body 1.The fixed form is welding.It, can be to compression bullet by installing push rod 5
Spring 6 plays the role of a guiding.
As shown in figure 4, holddown spring 6 installs restraining position ring block 51, stop collar 51 and push rod 5 one far from one end of limit plate 7
It is body formed, and the diameter of stop collar 51 should be greater than the diameter of through-hole 32.Stop collar 51 is located at the middle part of push rod 5, it is to compression bullet
Spring 6 plays the role of a limit.
As shown in Fig. 2, L-type clamping plate 4 is fixedly mounted far from one end of push rod 5 and its integrally formed fixture block 41, and circuit
The upper end of plate 9 opens up the limiting slot 91 to match with fixture block 41, and fixture block 41 is plugged in limiting slot 91.Matched by the way that fixture block 41 is arranged
It closes limiting slot 91 to move, a limit can be played the role of to circuit board 9, so that fixed effect is more preferably.
As shown in figure 3, being symmetrical arranged two groups of retention beads 81 on slide bar 8, retention bead 81 and slide bar 8 are integrally formed, and
Pilot hole 33 is recessed with the guide groove to match with retention bead 81 outward.It, can be to active box 3 by the way that retention bead 81 is arranged
The effect for carrying out left and right limit is played, so that active box 3 can only move up and down on slide bar 8.
As shown in figure 4, limit plate 7 is fixedly connected with handle 71 far from one end of push rod 5,71 outer surface of handle offers anti-
Sliding line.
Working principle: when using the product, clamping device 2 is moved upwards up to meets circuit to be mounted i.e. first
Then circuit board 9 is plugged in mounting groove 11 by the height of plate 9, clamping device 2 is then being moved to downwards circuit board 9 just
At this moment top holds handle 71 again and is pulled outwardly limit plate 7, and limit plate 7 drives and moves outside three push rods 5, so that L-type be driven to press from both sides
Plate 4 it is whole it is outer move, until fixture block 41 is just plugged in limiting slot 91, then handle 71 is slowly unclamped, at this moment due to stop collar 51
Holddown spring 6 is squeezed, promotes holddown spring 6 to generate a screen resilience during handle 71 unclamps, thus by L-type
Clamping plate 4 is tightly bonded with circuit board 9, achieve the effect that one it is fixed.This product can pass through installation folder compared with the prior art first
Tight device 2 is installed instead of traditional screw, secondly, it adapts to the circuit board 9 of different specifications, fixed effect is strong, and
Structure is simple, convenient for operation, has certain practicability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of low pressure fixed switching cabinet of circuit board screwless installation, including cabinet body (1), it is characterised in that: the cabinet body
(1) inner sidewall offers mounting groove (11), is plugged with circuit board (9) in the mounting groove (11), the both ends of mounting groove (11)
It is fixedly installed with slide bar (8), is socketed with clamping device (2) outside the slide bar (8), the clamping device (2) includes activity
Case (3), L-type clamping plate (4), push rod (5), holddown spring (6) and limit plate (7), the active box (3) is internal to open up movable chamber
(31), and before and after active box (3) run through and offer the through-hole (32) that multiple groups match with push rod (5), the holddown spring (6) is put
Set with through-hole (32) opposite position, described push rod (5) one end is fixedly connected with limit plate (7), push rod (5) other end difference
It is fixedly connected through through-hole (32) and holddown spring (6) and with L-type clamping plate (4), and active box (3) is through opening up and slide bar
(8) pilot hole (33) to match, the slide bar (8) pass through pilot hole (33) and are fixedly connected with cabinet body (1).
2. a kind of low pressure fixed switching cabinet of circuit board screwless installation according to claim 1, it is characterised in that: institute
One end installation restraining position ring block (51) of holddown spring (6) far from limit plate (7) is stated, the stop collar (51) and push rod (5) are fixed
Connection, and the diameter of stop collar (51) should be greater than the diameter of through-hole (32).
3. a kind of low pressure fixed switching cabinet of circuit board screwless installation according to claim 1, it is characterised in that: institute
State L-type clamping plate (4) one end fixed installation and its integrally formed fixture block (41) far from push rod (5), and the upper end of circuit board (9)
The limiting slot (91) to match with fixture block (41) is opened up, the fixture block (41) is plugged in limiting slot (91).
4. a kind of low pressure fixed switching cabinet of circuit board screwless installation according to claim 1, it is characterised in that: institute
It states and is symmetrical arranged two groups of retention beads (81) on slide bar (8), the retention bead (81) and slide bar (8) are integrally formed, and are oriented to
Hole (33) is recessed with the guide groove to match with retention bead (81) outward.
5. a kind of low pressure fixed switching cabinet of circuit board screwless installation according to claim 1, it is characterised in that: institute
It states limit plate (7) to be fixedly connected with handle (71) far from the one end of push rod (5), handle (71) outer surface offers anti-skidding
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446430.4U CN209374935U (en) | 2019-04-03 | 2019-04-03 | A kind of low pressure fixed switching cabinet of circuit board screwless installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446430.4U CN209374935U (en) | 2019-04-03 | 2019-04-03 | A kind of low pressure fixed switching cabinet of circuit board screwless installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374935U true CN209374935U (en) | 2019-09-10 |
Family
ID=67824591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920446430.4U Active CN209374935U (en) | 2019-04-03 | 2019-04-03 | A kind of low pressure fixed switching cabinet of circuit board screwless installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071675A (en) * | 2020-07-29 | 2020-12-11 | 煤炭科学技术研究院有限公司 | Switch for explosion-proof box and fixed mounting structure thereof |
-
2019
- 2019-04-03 CN CN201920446430.4U patent/CN209374935U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071675A (en) * | 2020-07-29 | 2020-12-11 | 煤炭科学技术研究院有限公司 | Switch for explosion-proof box and fixed mounting structure thereof |
| CN112071675B (en) * | 2020-07-29 | 2023-05-12 | 煤炭科学技术研究院有限公司 | Switch for explosion-proof box and fixed mounting structure thereof |
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