CN218301949U - Board card pulling assisting device - Google Patents

Abstract

The utility model discloses a board pulling assisting device, which comprises a first piece, a frame, a second piece and a supporting piece, wherein the first piece is suitable for being matched with a board handle and is matched with the frame in a sliding and rotating way; the second part is rotatably assembled on the rack and connected with the first part so as to drive the first part to slide when the second part rotates relative to the rack; the support member is disposed on the rack and adapted to be supported between the rack and a cabinet frame of the instrumentation and control system. The utility model discloses an among the integrated circuit board helps pulls out the device, first can with the cooperation of integrated circuit board handle, it is less to have solved the integrated circuit board handle, the problem that operating personnel is not convenient for to hold. The second piece is used for rotating to drive the first piece to slide, so that an operator cannot touch peripheral equipment by mistake when pulling the card. The supporting piece is arranged to be supported between the rack and a cabinet frame of the instrument control system, so that the board card is pulled out more easily, and the effect of stabilizing the rack is achieved. Through the arrangement, the board card can be conveniently pulled out by an operator, and the working efficiency is improved.

Description

Board card pulling assisting device

Technical Field

The utility model relates to a nuclear power fortune dimension instrument technical field, concretely relates to board helps pulls out device.

Background

Some instrument control systems of nuclear power plants need to use a large number of board cards, and in order to enable the instrument control systems to have good anti-seismic performance and ensure that the board cards are in good contact with the instrument control systems, the board cards in the instrument control systems are very tightly connected with a rack. In addition, because the space on the board card panel is limited, generally, only two smaller handles are arranged for plugging and unplugging the board card. The two handles are arranged on the board card at intervals, the handles are generally columnar protrusions, and annular grooves are formed in the positions where the columnar protrusions are connected with the board card.

During the maintenance of nuclear power plant, need pull out the operation of inserting to above-mentioned instrument control system's integrated circuit board, and because the integrated circuit board is connected comparatively closely with the frame, and the integrated circuit board handle is less, and operating personnel is difficult to effectively hold the integrated circuit board for operating personnel is pulling out the easy slippage of card in-process, and peripheral equipment is touch in the mistake, and has the easy problem of scratch of operating personnel. In addition, because the plate card is in a large number in the instrument control system, an operator needs to perform a large number of plugging operations, and the maintenance work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems: during maintenance of a nuclear power plant, a board card on an instrument control system needs to be pulled out and inserted, and due to the fact that the board card is tightly connected with a rack and a handle of the board card is small, an operator is prone to slipping, mistakenly touching peripheral equipment and scratching when pulling out the board card; meanwhile, the number of the board cards to be pulled out is large, so that the maintenance work efficiency is low.

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides a board card helps pulls out device, the device can pull out the board card comparatively conveniently, promotes operating personnel's work efficiency.

The board pulling assisting device provided by the embodiment of the utility model comprises a first piece, a frame, a second piece and a supporting piece, wherein the first piece is suitable for being matched with the board handle; the first piece is in sliding fit with the rack; the second piece is rotatably assembled on the frame and connected with the first piece to drive the first piece to slide when the second piece rotates relative to the frame; the support piece is arranged on the rack and is suitable for supporting between the rack and a cabinet frame of the instrument control system.

The utility model discloses among the integrated circuit board helps pull out the device, first can with the cooperation of integrated circuit board handle, it is less to have solved the integrated circuit board handle, the problem that operating personnel is not convenient for to hold. The second is connected with the first piece to can drive first piece through rotating and slide, will drive the integrated circuit board and extract from the rack frame of instrument control system when first piece slides, use the second piece to rotate and drive first piece and slide and make operating personnel be difficult to miss when pulling out the card and touch peripheral equipment, also solved the easy scratch problem of operating personnel simultaneously. The supporting piece is arranged to be supported between the rack and a cabinet frame of the instrument control system, so that the board card is pulled out more easily, and the effect of stabilizing the rack is achieved. Through the arrangement, the board card can be conveniently pulled out by an operator, and the working efficiency is improved.

In some embodiments, the second member includes a first end adapted to be forced by an operator, and a connection to the frame on the second member is spaced a greater distance from the first end than the connection to the first member on the second member.

In some embodiments, the second member includes a second end coupled to the first member, and the second member is coupled to the frame at a location between the first end and the second end.

In some embodiments, the first member includes a first locking post and a second locking post, and each of the first locking post and the second locking post has a bayonet adapted to mate with the annular groove of the card handle.

In some embodiments, the first lock cylinder and the second lock cylinder are both inverted L-shaped, and the bayonet is disposed on a shorter side of the first lock cylinder and the second lock cylinder.

In some embodiments, the first locking column, the second locking column and the support member are arranged on the rack in a collinear manner, and an avoidance notch is formed in the support member, is opposite to the bayonet and is suitable for the board card handle to pass through.

In some embodiments, the second member includes a first handle coupled to the first lock cylinder, a second handle coupled to the second lock cylinder, and a linkage coupled between the first handle and the second handle.

In some embodiments, the frame is provided with a limiting structure, and the limiting structure is suitable for limiting the rotation amplitude of the second piece.

In some embodiments, the card pulling aid includes an elastic member, and the elastic member is disposed between the second member and the rack and adapted to drive the second member to return.

In some embodiments, a portion of the support for contacting a cabinet frame of the instrumentation and control system is provided with a resilient material.

Drawings

Fig. 1 is a schematic view of the overall structure of the board card pulling assisting device according to the embodiment of the present invention.

Fig. 2 is an exploded view of the board card pulling assisting device according to the embodiment of the present invention.

Fig. 3 is an exploded view of the board card pulling assisting device according to the embodiment of the present invention.

Reference numerals are as follows:

100. a first piece; 11. a first lock cylinder; 12. a second lock cylinder; 13. a bayonet; 2. a frame; 21. a limiting hole; 300. a second piece; 31. a first handle; 32. a second handle; 33. a first end; 34. a second end; 35. a limit pin; 36. a connecting rod; 4. a support member; 41. avoiding the notch; 5. a first pin; 6. a second pin; 7. a third pin; 8. and a clamp spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the board card pulling assisting device according to the embodiment of the present invention includes a first piece 100, a frame 2, a second piece 300 and a supporting piece.

The first member 100 is adapted to engage with a snap handle, the first member 100 being slidably mounted to the housing 2. As shown in fig. 1 and 2, the first piece 100 is matched with the handle of the board card to fix the handle, so that the problem that the handle of the board card is small and difficult to hold is solved. First 100 can be through the mode sliding assembly of slider spout on frame 2, can drive the integrated circuit board and remove when first 100 slides for frame 2, and then extracts the integrated circuit board.

The second member 300 is rotatably mounted to the frame 2, and the second member 300 is connected to the first member 100 to slide the first member 100 when the second member 300 rotates relative to the frame 2. As shown in fig. 1 and 2, the second member 300 may be handle-shaped and may be rotatably coupled to the frame 2 by a first pin 5. The first member 100 may be rotatably connected to the second member 300 by a second pin 6, which when the second member 300 rotates relative to the frame 2, will cause the first member 100 to slide on the frame 2. The second piece 300 is arranged to drive the first piece 100 to move, so that an operator can pull out the board card more conveniently and is not easy to touch peripheral equipment by mistake or scratch.

In other embodiments, the first member 100 and the second member 300 may be connected by a chain.

The support 4 is arranged on the rack 2 and is adapted to be braced between the rack 2 and a cabinet frame of the instrument control system. As shown in fig. 1 and 2, the support member 4 may be rod-shaped, and the support member 4 may be provided with two, and one end of the support member 4 is connected to the rack 2, and the other end of the support member abuts against the rack frame of the instrument control system at the working time, so as to provide a reaction force for pulling out the board card, and meanwhile, the support member is arranged to play a role in stabilizing the rack 2, so that an operator can more stably pull out the board card.

In other embodiments, the number of supports 4 may also be 4, 6, etc.

The utility model discloses among the integrated circuit board helps pull out the device, first can with the cooperation of integrated circuit board handle, it is less to have solved the integrated circuit board handle, the problem that operating personnel is not convenient for to hold. The second is connected with the first piece to can drive first piece through rotating and slide, will drive the integrated circuit board and extract from the rack frame of instrument control system when first piece slides, use the second piece to rotate and drive first piece and slide and make operating personnel be difficult to the mistake and touch peripheral equipment when pulling out the card, also solved the easy scratch problem of operating personnel simultaneously. Set up support piece and prop between the rack frame of frame and instrument control system, provide reaction force for pulling out the integrated circuit board for the integrated circuit board is pulled out more conveniently, still plays the effect of stabilizing the frame simultaneously. Through the arrangement, the board card can be conveniently pulled out by an operator, and the working efficiency is improved.

In some embodiments, second member 300 includes a first end 33, first end 33 is adapted to be forced by an operator, and the connection of second member 300 to frame 2 is spaced a greater distance from first end 33 than the connection of second member 300 to first member 100.

As shown in fig. 1 and 2, the second member 300 may be handle-shaped and include a first end 33, the first end 33 being adapted to be grasped and applied by an operator. The distance from the first pin 5 to the first end 33 is greater than the distance from the second pin 6, so that the second member 300 forms a labor-saving lever, and an operator can pull out the board card with small force.

In some embodiments, second member 300 includes a second end 34, second end 34 is coupled to first member 100, and the location on second member 300 where it is coupled to frame 2 is between first end 33 and second end 34.

As shown in fig. 1 and 2, the position of the second member 300 far from the first end 33 is the second end 34, the second end 34 is rotatably connected with the first member 100 through the second pin 6, the distance from the first pin 5 to the first end 33 is greater than that of the second pin 6, and the first pin 5 is located between the second pin 6 and the first end 33, so that the second member 300 forms a labor-saving lever, and an operator can press the first end 33 of the second member 300 with a small force and pull out a board.

In other embodiments it is also possible to have the second pin 6 between the first pin 5 and the first end 33, where the operator needs to pull the card by pulling on the first end 33 of the second member 300.

In some embodiments, the first piece 100 comprises a first lock cylinder 11 and a second lock cylinder 12, wherein the first lock cylinder 11 and the second lock cylinder 12 are provided with bayonets 13, and the bayonets 13 are adapted to be matched with an annular groove of the board handle.

As shown in fig. 1, 2 and 3, the first lock cylinder 11 and the second lock cylinder 12 are spaced on the frame 2, and the spacing between the first lock cylinder 11 and the second lock cylinder 12 is consistent with the spacing between the two handles on the board card. All be equipped with bayonet socket 13 on 11 and the second lock posts 12 of first lock, bayonet socket 13 can block into the ring channel on the integrated circuit board handle in, play and carry out the effect fixed to the integrated circuit board, the integrated circuit board is difficult to the slippage at the in-process of extracting.

In some embodiments, the first lock cylinder 11 and the second lock cylinder 12 are both in an inverted L shape, and the bayonet 13 is disposed on a shorter side of the first lock cylinder 11 and the second lock cylinder 12.

As shown in fig. 1 and 2, the first lock cylinder 11 and the second lock cylinder 12 are both in an inverted L shape, one end of the long side of the first lock cylinder 11 and the one end of the long side of the second lock cylinder 12 are connected with the second piece 300, and the bayonet 13 is arranged on the short side. The above arrangement makes the fixing of the first member 100 to the panel-fastening handle more firm.

In some embodiments, the first lock cylinder 11, the second lock cylinder 12 and the support member 4 are arranged in a collinear manner on the frame 2, and the support member 4 is provided with an avoidance notch 41, and the avoidance notch 41 is opposite to the bayonet 13 and is suitable for the board card handle to pass through.

As shown in fig. 1, fig. 2, and fig. 3, the first lock cylinder 11, the second lock cylinder 12, and the support member 4 are arranged collinearly on the rack 2, so that the size of the whole board card pulling assisting device is small, and the board card pulling assisting device can be more suitable for a narrow space in an instrument control system cabinet. When the device is used, the rack 2 slides along the board card, the bayonet 13 is arranged to face the position of the handle when the rack slides, the avoidance notch 41 is arranged to avoid the board card handle, so that the board card handle slides into the bayonet 13, and the board card is fixed.

In some embodiments, second member 300 includes a first handle 31, a second handle 32, and a linkage 36, first handle 31 being coupled to first lock cylinder 11, second handle 32 being coupled to second lock cylinder 12, and linkage 36 being coupled between first handle 31 and second handle 32.

As shown in fig. 1 and 2, the first handle 31 and the second handle 32 are spaced apart from each other on the frame 2 and correspond to the first lock cylinder 11 and the second lock cylinder 12, respectively. A connecting rod 36 is arranged between the first handle 31 and the second handle 32, the connecting rod 36 is connected with the first handle 31 and the second handle 32 through the third pin 7, and the connecting rod 36 is arranged so that the first handle 31 and the second handle 32 can move in the same direction when an operator operates the second member 300. Two handles atress of integrated circuit board are more even, are difficult to appear because of the integrated circuit board deformation damage scheduling problem that the integrated circuit board handle atress inequality leads to.

In some embodiments, the frame 2 is provided with a limiting structure adapted to limit the rotation amplitude of the second member 300. As shown in fig. 1 and 2, the frame 2 is provided with a limiting hole 21, a limiting pin 35 is mounted at a corresponding position on the second member 300, and when the second member 300 rotates relative to the frame 2, the limiting pin 35 slides in the limiting hole 21. The limiting hole 21 and the limiting pin are fixed to form the limiting structure, the limiting structure is arranged to limit the distance of the board card pulled out of the cabinet frame, and the use is more convenient.

In other embodiments, the limiting hole can be arranged on the second piece, and correspondingly, a limiting pin is arranged on the machine frame.

In some embodiments, the card pulling aid comprises an elastic member, which is disposed between the second member 300 and the frame 2 and is adapted to drive the second member 300 to return.

As shown in fig. 2, a clamp spring 8 can be installed between the second member 300 and the frame 2, when the second member 300 moves downward, the board card can be pulled out, the clamp spring 8 is compressed, and after the board card is pulled out, the second member 300 is restored to the original position under the elastic force action of the clamp spring 8 to prepare for pulling out the board card next time.

In other embodiments, the elastic member may also be a tension spring, in particular, a tension spring may be connected between the second end 34 of the second member 300 and the chassis 2.

In some embodiments, the portion of the support 4 that is used to contact the enclosure frame of the instrumentation and control system is provided with a resilient material.

The elastic piece arranged on the support piece 4 can achieve the effects of preventing skidding and scratching the cabinet frame.

In other embodiments, the support 4 is also rounded to avoid scratching the cabinet frame.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A card pull-out assisting device is characterized by comprising:

a first piece adapted to mate with the paddle handle;

a frame, the first piece being slidably coupled to the frame;

a second member rotatably mounted to the frame and coupled to the first member to slidably move the first member when the second member is rotated relative to the frame;

and the supporting piece is arranged on the rack and is suitable for supporting between the rack and a cabinet frame of the instrument control system.

2. A card pull-aid device as recited in claim 1, wherein the second member includes a first end adapted to be urged by an operator, and wherein a connection of the second member to the frame is spaced a greater distance from the first end than a connection of the second member to the first member.

3. A card pull-aid device as defined in claim 2, wherein the second member includes a second end, the second end being connected to the first member, and the second member being connected to the frame at a location between the first end and the second end.

4. A card pull-aid device according to claim 1, wherein the first member comprises a first lock cylinder and a second lock cylinder, each of the first lock cylinder and the second lock cylinder having a bayonet adapted to mate with the annular groove of the card handle.

5. A board card pull-out assisting device according to claim 4, wherein the first lock cylinder and the second lock cylinder are both of an inverted L shape, and the bayonet is arranged on a shorter side of the first lock cylinder and the second lock cylinder.

6. A board card pulling assisting device according to claim 5, wherein the first lock cylinder, the second lock cylinder and the support member are arranged collinearly on the rack, and an avoiding notch is formed in the support member, and the avoiding notch is opposite to the bayonet and is suitable for the board card handle to pass through.

7. A board card pull-out assisting device according to claim 4, wherein the second member includes a first handle, a second handle and a connecting rod, the first handle is connected with the first lock cylinder, the second handle is connected with the second lock cylinder, and the connecting rod is connected between the first handle and the second handle.

8. A board card pull-out aid according to claim 1, wherein a limiting structure is provided on the frame, the limiting structure being adapted to limit the rotation amplitude of the second member.

9. A card pull-aid device according to claim 1, comprising a resilient member disposed between the second member and the housing and adapted to drive the second member to return.

10. A card pull-out aid according to any one of claims 1-9, wherein the portion of the support member adapted to contact a cabinet frame of the instrument control system is provided with a resilient material.

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