Combined magnetic blow-out switch mounting structure

Abstract

The utility model discloses a combined type magnetic blow-out switch installation structure which comprises a first magnetic blow-out switch and a second magnetic blow-out switch which are arranged in a stacked mode, a static contact piece on the front face of the first magnetic blow-out switch is matched with the second magnetic blow-out switch in an inserted mode, and a locking mechanism is arranged at the joint of the back faces of the first magnetic blow-out switch and the second magnetic blow-out switch. The locking mechanism comprises a first connecting set located on the first magnetic blow-out switch and a second connecting set located on the second magnetic blow-out switch, the first connecting set is provided with a first inserting channel in a penetrating mode in the horizontal direction, and the second connecting set is provided with a second inserting channel in a penetrating mode in the horizontal direction. The first connecting group and the second connecting group are in butt joint to enable the first plug-in mounting channel and the second plug-in mounting channel to form a cylindrical channel which is coaxially arranged, a connecting pin is plugged in the cylindrical channel, one end of the connecting pin is provided with a blocking part, and the other end of the connecting pin is provided with a clamping piece. During installation, only one magnetic blow-out switch needs to be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary switches, in particular to a combined magnetic blow switch installation structure. Background Art

[0002] The magnetic blowout micro switch is a common switch widely used in the operating mechanisms of various electrical equipment such as high-voltage power transmission and transformation, high-speed rail, etc. It is mainly used as a limit switch, and the magnetic blowout micro switch is also an important component of the magnetic blowout auxiliary switch. It is an important component for the accurate transmission of control loop signals. As an important control element for high-voltage switch control and linkage, it plays an extremely important role.

[0003] Chinese patent application number CN202022188895.X discloses a magnetic blow auxiliary switch, which is described in the specification: a magnetic blow microswitch guide wheel drives two magnetic blow microswitches stacked up and down, the upper magnetic blow microswitch is fixed to the upper bracket on both sides by fasteners, and the lower magnetic blow microswitch is fixed to the lower bracket on both sides by fasteners.

[0004] The above patent has the following problems: the two magnetic blow switches are stacked and need to be connected to the two brackets through fasteners respectively. The two brackets have reserved holes respectively. It is necessary to ensure that the spacing between the reserved holes corresponds to the hole positions on the two magnetic blow switches. The processing accuracy requirements are relatively high. If there is a deviation, the hole position reserved for one of the brackets will become useless. The connection between the two magnetic blow switches is just a simple assembly, and a unilateral fixing method is adopted. The connection between the two magnetic blow switches is unstable and easy to shake. Summary of the invention

[0005] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a combined magnetic blow switch installation structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined magnetic blow switch installation structure, comprising a first magnetic blow switch and a second magnetic blow switch stacked up and down, the static contact piece on the front of the first magnetic blow switch is plugged with the second magnetic blow switch, and a locking mechanism is arranged at the back connection of the first magnetic blow switch and the second magnetic blow switch, the locking mechanism comprises a first connection group arranged on the first magnetic blow switch and a second connection group arranged on the second magnetic blow switch, the first connection group is penetrated with a first insertion channel along the horizontal direction, and the second connection group is penetrated with a second insertion channel along the horizontal direction, the first connection group and the second connection group are butted to form a coaxial cylindrical channel, a connecting pin is inserted in the cylindrical channel, one end of the connecting pin is provided with a blocking portion located outside the cylindrical channel, and the other end of the connecting pin extends outside the cylindrical channel, and the end of the connecting pin opposite to the blocking portion is provided with a clamp connected to the first magnetic blow switch and / or the second magnetic blow switch, and the clamp is used to limit the axial movement of the connecting pin.

[0007] As a preferred technical solution of the utility model, the first connection group includes a plurality of first connection blocks arranged at intervals, a first connection groove is formed between two adjacent first connection blocks, and a first connection hole is coaxially arranged on the side wall of each first connection block; the second connection group includes a plurality of second connection grooves corresponding to the first connection blocks, a second connection block is formed between two adjacent second connection grooves, and a second connection hole is coaxially arranged on the side wall of each second connection block; the first connection group and the second connection group are cross-combined so that the plurality of first connection holes and the plurality of second connection holes cooperate to form the cylindrical channel.

[0008] As a preferred technical solution of the present utility model, the first connection group and the second connection group are cross-combined to form a rectangular block.

[0009] As a preferred technical solution of the utility model, a notch is provided at one end of the connecting pin relative to the blocking portion, the clamping member has a socket corresponding to the notch and the clamping member is located on both sides of the socket to form a clamping portion, and the backs of the first magnetic blow switch and the second magnetic blow switch are respectively provided with clamping holes that cooperate with the clamping portion.

[0010] As a preferred technical solution of the utility model, the first magnetic blow switch includes a shell, a push rod assembly arranged on the shell, a moving contact piece and a stationary contact piece arranged in the shell, a guide rod linked to the push rod assembly for driving the moving contact piece and the stationary contact piece to close, and a reset spring arranged in the shell for pushing the guide rod back to cause the moving contact piece and the stationary contact piece to disconnect, a guide hole for the guide rod to pass through is respectively provided at the upper and lower ends of the shell, and a slot for the stationary contact piece to be inserted is provided in the second magnetic blow switch.

[0011] As a preferred technical solution of the utility model, no push rod assembly is installed on the second magnetic blow switch, the second magnetic blow switch has the same remaining structure as the first magnetic blow switch, and the guide rod of the second magnetic blow switch is coaxially arranged with the guide rod of the first magnetic blow switch.

[0012] As a preferred technical solution of the utility model, a stopper is provided on the inner wall of the slot, and a positioning portion is provided on the side wall of the stationary contact piece and is limitedly located below the stopper.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the front side of the first magnetic blow switch cooperates with the slot of the second magnetic blow switch through the static contact piece, the back sides of the first magnetic blow switch and the second magnetic blow switch are connected through a locking mechanism, the back sides are cross-combined through the first connection group and the second connection group to form a cylindrical channel, the connecting pin is inserted into the cylindrical channel, the blocking part of the connecting pin is located outside the cylindrical channel, the other end of the connecting pin is fixed to the first magnetic blow switch and the second magnetic blow switch through a clip, the front and back sides of the two magnetic blow switches are connected and fixed, and the connection is stable and reliable relative to one side, and only one of the magnetic blow switches needs to be connected to the bracket hole position, and there is no need to connect the two magnetic blow switches, thereby avoiding the situation where the double hole positions do not correspond in the subsequent process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the front side of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the back side of the utility model;

[0016] Figure 3 yes Figure 2 Enlarged view of part A;

[0017] Figure 4 It is a structural schematic diagram of the first magnetic blow switch of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the second magnetic blow switch of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connecting pin and the clamping member in the utility model;

[0020] Figure 7 yes Figure 1 Enlarged view of part B.

[0021] Figure numerals: 1. first magnetic blow switch; 2. second magnetic blow switch; 3. first connection group; 4. second connection group; 5. first insertion channel; 6. second insertion channel; 7. connecting pin; 8. blocking part; 9. clamping piece; 10. first connecting block; 11. first connecting groove; 12. first connecting hole; 13. second connecting block; 14. second connecting groove; 15. second connecting hole; 16. notch; 17. socket; 18. clamping part; 19. clamping hole; 20. housing; 21. push rod assembly; 22. moving contact piece; 23. stationary contact piece; 24. guide rod; 25. reset spring; 26. guide hole; 27. slot; 28. block; 29. ​​positioning part. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0023] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 7 The combined magnetic blow switch installation structure shown in the figure comprises a first magnetic blow switch 1 and a second magnetic blow switch 2 stacked up and down, the static contact piece 23 on the front of the first magnetic blow switch 1 is plugged into the second magnetic blow switch 2, and a locking mechanism is provided at the back connection of the first magnetic blow switch 1 and the second magnetic blow switch 2, the locking mechanism comprises a first connection group 3 provided on the first magnetic blow switch 1 and a second connection group 4 provided on the second magnetic blow switch 2, the first connection group 3 is provided with a first plug-in channel 5 along the horizontal direction, and the second connection group 4 is provided with a first plug-in channel 5 along the water direction. A second insertion channel 6 is provided through the horizontal direction, and the first connection group 3 and the second connection group 4 are connected to form a coaxial cylindrical channel. A connecting pin 7 is inserted in the cylindrical channel, and one end of the connecting pin 7 is provided with a blocking portion 8 located outside the cylindrical channel, and the other end of the connecting pin 7 extends outside the cylindrical channel. The end of the connecting pin 7 opposite to the blocking portion 8 is provided with a clamping member 9 connected to the first magnetic blow switch 1 and / or the second magnetic blow switch 2, and the clamping member 9 is used to limit the axial movement of the connecting pin 7.

[0025] The first connection group 3 includes a plurality of first connection blocks 10 arranged at intervals, a first connection groove 11 is formed between two adjacent first connection blocks 10, and a first connection hole 12 is coaxially arranged on the side wall of each of the first connection blocks 10. The second connection group 4 includes a plurality of second connection grooves 14 corresponding to the first connection blocks 10, a second connection block 13 is formed between two adjacent second connection grooves 14, and a second connection hole 15 is coaxially arranged on the side wall of each of the second connection blocks 13. The first connection group 3 and the second connection group 4 are cross-combined so that the plurality of first connection holes 12 and the plurality of second connection holes 15 cooperate to form the cylindrical channel, and the first connection group 3 and the second connection group 4 are cross-combined to form a rectangular block.

[0026] A notch 16 is provided at one end of the connecting pin 7 opposite to the blocking portion 8, the clamping member 9 has a socket 17 corresponding to the notch 16, and the clamping member 9 is located on both sides of the socket 17 to form a clamping portion 18, and the backs of the first magnetic blow switch 1 and the second magnetic blow switch 2 are respectively provided with clamping holes 19 that cooperate with the clamping portion 18.

[0027] The first magnetic blow switch 1 includes a shell 20, a push rod assembly 21 arranged on the shell 20, a moving contact piece 22 and a stationary contact piece 23 arranged in the shell 20, a guide rod 24 linked to the push rod assembly 21 for driving the moving contact piece 22 and the stationary contact piece 23 to close, and a reset spring 25 arranged in the shell 20 for pushing the guide rod 24 back to cause the moving contact piece 22 and the stationary contact piece 23 to disconnect. The upper and lower ends of the shell 20 are respectively provided with a guide hole 26 for the guide rod 24 to pass through. The second magnetic blow switch 2 is provided with a slot 27 for the stationary contact piece 23 to be inserted. The basic functions and principles of the first magnetic blow switch 1 and the second magnetic blow switch 2 in this embodiment are prior art and are not elaborated in detail in this application.

[0028] The push rod assembly 21 is not installed on the second magnetic blow switch 2. The second magnetic blow switch 2 has the same other structures as the first magnetic blow switch 1. The guide rod 24 of the second magnetic blow switch 2 is coaxially arranged with the guide rod 24 of the first magnetic blow switch 1.

[0029] A stopper 28 is disposed on the inner wall of the slot 27 , and a positioning portion 29 is disposed on the side wall of the stationary contact piece 23 , which is limitedly located below the stopper 28 . The stationary contact piece 23 can be deformed and pressed into the slot 27 until the positioning portion 29 is stuck below the stopper 28 .

[0030] Working principle: The front of the first magnetic blow switch 1 cooperates with the slot 27 of the second magnetic blow switch 2 through the static contact piece 23, and the backs of the first magnetic blow switch 1 and the second magnetic blow switch 2 are connected through a locking mechanism. The backs are cross-combined through the first connection group 3 and the second connection group 4 to form a cylindrical channel. The connecting pin 7 is inserted into the cylindrical channel, and the blocking part 8 of the connecting pin 7 is located outside the cylindrical channel. The other end of the connecting pin 7 is fixed to the first magnetic blow switch 1 and the second magnetic blow switch 2 through a clamp 9. The front and back sides of the two magnetic blow switches are connected. Compared with one side, the connection is stable and reliable. It is only necessary to connect one of the magnetic blow switches to the bracket hole position, and there is no need to connect the two magnetic blow switches to avoid the subsequent situation where the double holes do not correspond (only a hole needs to be drilled on a bracket for installing the magnetic blow switch).

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A combined magnetic blow switch installation structure, comprising a first magnetic blow switch (1) and a second magnetic blow switch (2) stacked up and down, wherein a static contact piece (23) on the front of the first magnetic blow switch (1) is plugged into and matched with the second magnetic blow switch (2), characterized in that: A locking mechanism is provided at the back connection of the first magnetic blow switch (1) and the second magnetic blow switch (2), the locking mechanism comprising a first connection group (3) provided on the first magnetic blow switch (1) and a second connection group (4) provided on the second magnetic blow switch (2), the first connection group (3) being provided with a first insertion channel (5) penetrating in the horizontal direction, the second connection group (4) being provided with a second insertion channel (6) penetrating in the horizontal direction, the first connection group (3) and the second connection group (4) being connected so that the first connection group (3) and the second connection group (4) are locked. The insertion channel (5) and the second insertion channel (6) form a coaxially arranged cylindrical channel, a connecting pin (7) is inserted in the cylindrical channel, one end of the connecting pin (7) is provided with a blocking portion (8) located outside the cylindrical channel, the other end of the connecting pin (7) extends outside the cylindrical channel, and the end of the connecting pin (7) opposite to the blocking portion (8) is provided with a clamping member (9) connected to the first magnetic blow switch (1) and / or the second magnetic blow switch (2), and the clamping member (9) is used to limit the axial movement of the connecting pin (7).

2. The combined magnetic blow switch installation structure according to claim 1 is characterized in that: The first connection group (3) comprises a plurality of first connection blocks (10) arranged at intervals, a first connection groove (11) is formed between two adjacent first connection blocks (10), and a first connection hole (12) is coaxially arranged on the side wall of each first connection block (10); the second connection group (4) comprises a plurality of second connection grooves (14) corresponding to the first connection blocks (10), a second connection block (13) is formed between two adjacent second connection grooves (14), and a second connection hole (15) is coaxially arranged on the side wall of each second connection block (13); the first connection group (3) and the second connection group (4) are cross-combined so that the plurality of first connection holes (12) and the plurality of second connection holes (15) cooperate to form the cylindrical channel.

3. The combined magnetic blow switch installation structure according to claim 1 or 2, characterized in that: The first connection group (3) and the second connection group (4) are cross-combined to form a rectangular block.

4. The combined magnetic blow switch installation structure according to claim 1 is characterized in that: A notch (16) is provided at one end of the connecting pin (7) opposite to the blocking portion (8); the clamping member (9) has a socket (17) corresponding to the notch (16); and the clamping member (9) is located on both sides of the socket (17) to form a clamping portion (18); and the backs of the first magnetic blow switch (1) and the second magnetic blow switch (2) are respectively provided with clamping holes (19) that cooperate with the clamping portion (18).

5. The combined magnetic blow switch installation structure according to claim 1 is characterized in that: The first magnetic blow switch (1) comprises a housing (20), a push rod assembly (21) arranged on the housing (20), a moving contact piece (22) and a stationary contact piece (23) arranged in the housing (20), a guide rod (24) linked to the push rod assembly (21) for driving the moving contact piece (22) and the stationary contact piece (23) to close, and a return spring (25) arranged in the housing (20) for pushing the guide rod (24) back to a position to disconnect the moving contact piece (22) and the stationary contact piece (23), the upper and lower ends of the housing (20) are respectively provided with a guide hole (26) for the guide rod (24) to pass through, and the second magnetic blow switch (2) is provided with a slot (27) for the stationary contact piece (23) to be inserted.

6. The combined magnetic blow switch installation structure according to claim 5, characterized in that: The push rod assembly (21) is not installed on the second magnetic blow switch (2); the second magnetic blow switch (2) has the same remaining structure as the first magnetic blow switch (1); and the guide rod (24) of the second magnetic blow switch (2) is coaxially arranged with the guide rod (24) of the first magnetic blow switch (1).

7. The combined magnetic blow switch installation structure according to claim 6, characterized in that: The inner wall of the slot (27) is provided with a stopper (28), and the side wall of the stationary contact piece (23) is provided with a positioning portion (29) which is limitedly located below the stopper (28).

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