CN216820395U - DCS rack integrated circuit board instrument of choosing - Google Patents
DCS rack integrated circuit board instrument of choosing Download PDFInfo
- Publication number
- CN216820395U CN216820395U CN202122870445.3U CN202122870445U CN216820395U CN 216820395 U CN216820395 U CN 216820395U CN 202122870445 U CN202122870445 U CN 202122870445U CN 216820395 U CN216820395 U CN 216820395U
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- board card
- board
- fixing cylinder
- outer shell
- support rod
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Abstract
The utility model relates to the technical field of maintenance of board cards in a DCS cabinet, and particularly discloses a pulling tool for the board cards of the DCS cabinet, wherein two support legs of a holding rod penetrate through two holes in an outer shell and a notch of the inner shell and are fixed at two holes in the middle of an inner support rod; the tail end of the upper board clamp fixing cylinder penetrates through the upper telescopic spring and then is inserted into an upper end hole of the inner support rod for fixing, and the tail end of the lower board clamp fixing cylinder penetrates through the lower telescopic spring and then is inserted into a lower end hole of the inner support rod for fixing; and respectively processing a handle groove on the same side surface of the upper board clamp fixing cylinder and the lower board clamp fixing cylinder. The board card pulling tool provided by the utility model realizes the single-hand pulling of the board card, can adjust the length of the whole board card pulling tool, and has a wide application range.
Description
Technical Field
The utility model belongs to the technical field of maintenance of board cards in a DCS cabinet, and particularly relates to a board card pulling tool for the DCS cabinet.
Background
DCS (distributed control system) is widely applied to the field of automatic control systems, and adopts a design of multi-layer grading and centralized management. The design characteristics determine that the DCS control system needs to be applied to a large number of board cards and is integrally installed in various cabinets. Most of the board cards are embedded in a DCS cabinet cage, and the bottom of each board card contains a large number of pins, so that each pin of each board card is inserted into a jack of a cabinet back plate when the board card is inserted into the cage; and the integrated circuit board need be directly inserted along the guide rail in the inserting process, and the integrated circuit board is guaranteed to be just coincident with the clamping groove.
In the process of repairing or replacing the board card inside the cabinet, the board card installed in the cabinet needs to be pulled out. According to a large amount of practical feedback of a nuclear power field, due to the fact that the matching degree of the board card and the cage is good, the following difficulties exist in the process of pulling the board card out of the cage:
1. because the handles of the board cards are short, even some board cards have no handle, and only the related fixing screws are used as the pulling devices, the board cards are difficult to pull out from the cage smoothly when being pulled out;
2. when the board card is pulled out, if the matching degree of the board card and the cage is very high, the board card is often pulled out by slightly shaking the board card, so that the board card parts can be damaged;
3. when the board card is pulled out, the arm of a person shakes, so that pins and jacks in the board card are bent, and the pins of the board card are damaged; if the card is pulled out in a live state, the internal short circuit of the card can be caused.
Therefore, a DCS cabinet board pulling tool needs to be designed urgently to solve the problems that the DCS cabinet board pulling process is difficult and even the board is damaged.
Disclosure of Invention
The utility model aims to provide a DCS cabinet board card pulling tool, which realizes the purpose of pulling a DCS cabinet board card by one hand.
The technical scheme of the utility model is as follows:
a DCS cabinet board card pulling tool comprises an inner shell, an inner support rod, an outer shell, a lower board card fixing cylinder, a lower telescopic spring, a holding rod, an upper telescopic spring and an upper board card fixing cylinder;
the inner shell and the outer shell are both rod-shaped structures, and a notch is processed on the front side surface of the inner shell;
the inner shell is positioned above the outer shell, and the size of the inner shell is smaller than that of the outer shell and can be inserted into the outer shell;
an inner support rod is arranged inside the inner shell and the outer shell;
two holes are processed in the middle of the inner support rod, two holes are also processed in the middle of the corresponding outer shell, and two support legs of the holding rod are fixed at the two holes in the middle of the inner support rod after penetrating through the two holes in the outer shell and the opening of the inner shell;
a hole is respectively processed at the upper end and the lower end of the inner support rod;
the upper board card fixing cylinder and the lower board card fixing cylinder are both positioned outside the inner shell and the outer shell, wherein the tail end of the upper board card fixing cylinder penetrates through the upper telescopic spring and then is inserted into an upper end hole of the inner support rod for fixing, and the tail end of the lower board card fixing cylinder penetrates through the lower telescopic spring and then is inserted into a lower end hole of the inner support rod for fixing;
and a handle groove is respectively processed on the same side surface of the upper plate card fixing cylinder and the lower plate card fixing cylinder.
The outer shell is provided with a locking screw, and after the telescopic lengths of the inner shell and the outer shell are adjusted, the locking screw is used for screwing and fixing.
The tail end of the upper board card fixing cylinder penetrates through the upper telescopic spring and the upper gasket and then is inserted into an upper end hole of the inner support rod for fixing, and the tail end of the lower board card fixing cylinder penetrates through the lower telescopic spring and the lower gasket and then is inserted into a lower end hole of the inner support rod for fixing.
The upper gasket is fixed on the outer wall of the inner shell, and the lower gasket is fixed on the outer wall of the outer shell.
The opening of the front side surface of the inner shell is in an inverted U shape.
The lower board card fixing cylinder and the upper board card fixing cylinder are respectively aligned with two handles of the DCS cabinet board card.
When the DCS cabinet board card is pulled out, the upper handle and the lower handle of the board card are respectively buckled into the handle grooves of the upper board card fixing cylinder and the lower board card fixing cylinder.
An upper fixed baffle is installed at the top end of the inner shell, and a lower fixed baffle is installed at the bottom end of the outer shell.
When the DCS cabinet board card is pulled out, the upper fixing baffle and the lower fixing baffle are arranged in the empty position of the cabinet panel.
When DCS rack board cards are pulled out, the holding rod is pressed inwards, and the lower board card fixing cylinder and the upper board card fixing cylinder drive the board cards to be pulled out outwards.
The utility model has the beneficial effects that:
(1) the board card pulling tool adopts the pressing holding rod to drive the board card to be pulled outwards, so that the board card can be pulled out by one hand;
(2) the board card pulling tool adopts the holding rod to increase the stress area and stress transmission, and realizes easy pulling of the board card;
(3) the board card pulling tool adopts the upper and lower fixed baffle plates to realize stable pulling of the board card;
(4) the board card pulling tool adopts the telescopic spring to realize automatic reset of the board card pulling work;
(5) the board card pulling tool adopts a means of adjusting the insertion length of the inner shell and the outer shell, can adjust the length of the whole board card pulling tool, and has wide application range.
Drawings
FIG. 1 is a right side view of the board card extracting tool;
fig. 2 is a front view of the board card extracting tool;
fig. 3 is a top view of the card extracting tool.
In the figure: 1-fixing a baffle plate; 2-an inner housing; 3-inner support rod; 4-locking screws; 5-an outer shell; 6-lower fixed baffle; 7-a lower plate card fixing cylinder; 8-lower extension spring; 9-lower gasket; 10-holding the rod; 11-upper gasket; 12-upper extension spring; and 13, fixing the cylinder by an upper plate clamp.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
Fig. 1-3 show a DCS cabinet board pulling tool, which comprises an upper fixing baffle 1, an inner housing 2, an inner support rod 3, a locking screw 4, an outer housing 5, a lower fixing baffle 6, a lower board fixing cylinder 7, a lower telescopic spring 8, a lower gasket 9, a holding rod 10, an upper gasket 11, an upper telescopic spring 12 and an upper board fixing cylinder 13.
The inner shell 2 and the outer shell 5 are both in a rod-shaped structure, and an inverted U-shaped opening is processed on the front side surface of the inner shell 2.
The inner shell 2 is positioned above the outer shell 5, and the inner shell 2 is smaller than the outer shell 5 in size and can be inserted into the outer shell 5. The length of the required DCS cabinet board card extracting tool is controlled by controlling the depth of the inner shell 2 inserted into the outer shell 5.
The outer shell 5 is provided with a locking screw 4, and after the telescopic lengths of the inner shell 2 and the outer shell 5 are adjusted, the locking screw 4 is used for screwing and fixing.
The upper fixed baffle 1 is arranged at the top end of the inner shell 2, and the lower fixed baffle 6 is arranged at the bottom end of the outer shell 5. When carrying out the integrated circuit board and pulling out, last fixed stop 1 and lower fixed stop 6 arrange in the rack panel on, guarantee that whole instrument of pulling out can not exist at the integrated circuit board in-process of pulling out and rock.
An inner support rod 3 is arranged inside the inner shell 2 and the outer shell 5. Two holes are processed in the middle of the inner support rod 3, two holes are processed in the middle of the corresponding outer shell 5, and two support legs of the holding rod 10 penetrate through the two holes in the outer shell 5 and the inverted U-shaped opening of the inner shell 2 and are fixed at the two holes in the middle of the inner support rod 3.
A hole is machined in each of the upper and lower ends of the inner support rod 3.
Last integrated circuit board solid fixed cylinder 13 and lower integrated circuit board solid fixed cylinder 7 all be located the outside of interior casing 2 and shell body 5, the tail end of going up integrated circuit board solid fixed cylinder 13 passes and inserts the upper end hole of inner support 3 fixed after last expanding spring 12 and last gasket 11, the tail end of lower integrated circuit board solid fixed cylinder 7 passes and inserts the lower extreme hole of inner support 3 fixed after lower expanding spring 8 and lower gasket 9. The upper gasket 11 is fixed on the outer wall of the inner shell 2, and the lower gasket 9 is fixed on the outer wall of the outer shell 5. The upper gasket 11 and the lower gasket 9 are respectively used as bases of the upper telescopic spring 12 and the lower telescopic spring 8, and the position deviation of the upper telescopic spring 12 and the lower telescopic spring 8 is avoided.
And handle grooves are respectively processed on the right side surfaces of the upper board card fixing cylinder 13 and the lower board card fixing cylinder 7, have the same shape as the upper and lower handles of the board card, and are used for clamping the upper and lower handles of the board card.
The holding rod 10 is pressed by one hand to drive the inner support rod 3 to move inwards, and further drive the upper board card fixing cylinder 13 and the lower board card fixing cylinder 7 which are connected with the upper end and the lower end of the inner support rod 3 to move inwards; because the upper telescopic spring 12 and the lower telescopic spring 8 are arranged at the connecting part of the tail ends of the upper board card fixing cylinder 13 and the lower board card fixing cylinder 7 and the inner support rod 3, when the holding rod 10 is loosened, the holding rod 10, the inner support rod 3, the upper board card fixing cylinder 13 and the lower board card fixing cylinder 7 can restore to the original positions again.
When the DCS cabinet board card is pulled out, firstly, the length between two handles of the DCS cabinet board card is confirmed, then, the locking screws 4 are unscrewed, the insertion length between the inner shell 2 and the outer shell 5 is adjusted, so that the lower board card fixing cylinder 7 and the upper board card fixing cylinder 13 are exactly aligned with the two handles of the DCS board card, then, the locking screws 4 are screwed, and the length of the board card pulling tool is fixed; respectively buckling an upper handle and a lower handle of the board card into handle grooves of an upper board card fixing cylinder 13 and a lower board card fixing cylinder 7, holding the holding rod 10 and the outer shell 5 with one hand, and enabling the upper fixing baffle plate 1 and the lower fixing baffle plate 6 to be arranged in the empty position of the cabinet panel; the holding rod 10 is held by hand with strength, so that the holding rod 10 is pressed inwards, the lower board card fixing cylinder 7 and the upper board card fixing cylinder 13 drive the board cards to be pulled outwards at the moment, the board cards are pulled out quickly and stably for a short time, finally, the holding rod 10 is held by hand to be pulled out along the trend, and then the board cards are taken out from the pulling tool, so that one-time board card pulling work is completed.
Claims (10)
1. The utility model provides a DCS rack integrated circuit board instrument of choosing which characterized in that: comprises an inner shell (2), an inner support rod (3), an outer shell (5), a lower plate card fixing cylinder (7), a lower extension spring (8), a holding rod (10), an upper extension spring (12) and an upper plate card fixing cylinder (13);
the inner shell (2) and the outer shell (5) are both rod-shaped structures, and the front side surface of the inner shell (2) is processed with a notch;
the inner shell (2) is positioned above the outer shell (5), and the size of the inner shell (2) is smaller than that of the outer shell (5) and can be inserted into the outer shell (5);
an inner support rod (3) is arranged inside the inner shell (2) and the outer shell (5);
two holes are processed in the middle of the inner support rod (3), two holes are also processed in the middle of the corresponding outer shell (5), and two support legs of the holding rod (10) are fixed in the two holes in the middle of the inner support rod (3) after penetrating through the two holes in the outer shell (5) and the opening of the inner shell (2);
a hole is respectively processed at the upper end and the lower end of the inner support rod (3);
the upper board card fixing cylinder (13) and the lower board card fixing cylinder (7) are both positioned outside the inner shell (2) and the outer shell (5), wherein the tail end of the upper board card fixing cylinder (13) penetrates through the upper telescopic spring (12) and then is inserted into an upper end hole of the inner support rod (3) for fixing, and the tail end of the lower board card fixing cylinder (7) penetrates through the lower telescopic spring (8) and then is inserted into a lower end hole of the inner support rod (3) for fixing;
and a handle groove is respectively processed on the same side surface of the upper plate card fixing cylinder (13) and the lower plate card fixing cylinder (7).
2. The DCS cabinet board pulling tool of claim 1, wherein: the outer shell (5) is provided with a locking screw (4), and after the telescopic lengths of the inner shell (2) and the outer shell (5) are adjusted, the locking screw (4) is used for screwing and fixing.
3. The DCS cabinet board pulling tool of claim 1, wherein: the tail end of the upper board card fixing cylinder (13) penetrates through the upper telescopic spring (12) and the upper gasket (11) and then is inserted into an upper end hole of the inner support rod (3) for fixing, and the tail end of the lower board card fixing cylinder (7) penetrates through the lower telescopic spring (8) and the lower gasket (9) and then is inserted into a lower end hole of the inner support rod (3) for fixing.
4. The DCS cabinet board card extracting tool of claim 3, wherein: the upper gasket (11) is fixed on the outer wall of the inner shell (2), and the lower gasket (9) is fixed on the outer wall of the outer shell (5).
5. The DCS cabinet board pulling tool of claim 1, wherein: the opening of the front side surface of the inner shell (2) is in an inverted U shape.
6. The DCS cabinet board pulling tool of claim 1, wherein: and the lower board card fixing cylinder (7) and the upper board card fixing cylinder (13) are respectively aligned with two handles of the DCS cabinet board card.
7. The DCS cabinet board pulling tool of claim 1, wherein: when the DCS cabinet board card is pulled out, an upper handle and a lower handle of the board card are respectively buckled into handle grooves of an upper board card fixing cylinder (13) and a lower board card fixing cylinder (7).
8. The DCS cabinet board pulling tool of claim 1, wherein: an upper fixed baffle (1) is installed at the top end of the inner shell (2), and a lower fixed baffle (6) is installed at the bottom end of the outer shell (5).
9. The DCS cabinet board pulling tool of claim 8, wherein: when the DCS cabinet board card is pulled out, the upper fixing baffle (1) and the lower fixing baffle (6) are arranged in the empty position of the cabinet panel.
10. The DCS cabinet board pulling tool of claim 1, wherein: when DCS rack board cards are pulled out, the holding rod (10) is pressed inwards, so that the lower board card fixing cylinder (7) and the upper board card fixing cylinder (13) drive the board cards to be pulled out outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870445.3U CN216820395U (en) | 2021-11-22 | 2021-11-22 | DCS rack integrated circuit board instrument of choosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122870445.3U CN216820395U (en) | 2021-11-22 | 2021-11-22 | DCS rack integrated circuit board instrument of choosing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216820395U true CN216820395U (en) | 2022-06-24 |
Family
ID=82049928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122870445.3U Active CN216820395U (en) | 2021-11-22 | 2021-11-22 | DCS rack integrated circuit board instrument of choosing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216820395U (en) |
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2021
- 2021-11-22 CN CN202122870445.3U patent/CN216820395U/en active Active
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