Secondary safety isolation device for terminal strip

Abstract

The utility model discloses a secondary safety isolation device for a terminal strip, and relates to the technical field of terminal strips. The secondary safety isolation device for the terminal strip comprises a base, a clamping plate is arranged on the upper surface of the base in an inserted mode, inserting rods are arranged on the two sides of the base in an inserted mode, a baffle is fixedly installed at one end of each inserting rod, a reset spring is arranged on the surface of each inserting rod in a surrounding mode, and one end of each inserting rod is connected with one side of the clamping plate in an inserted mode. Then the balls on the insertion rods are separated from the clamping plates, then the clamping plates are separated from the base, the terminal flat cables needing to be clamped are clamped into the semicircular grooves, then the clamping plates are clamped into the base, then the reset springs reset the insertion rods on the baffles, and then the buffer springs reset the balls on the piston blocks. And the balls are clamped into the insertion holes in one sides of the clamping plates, so that the balls are conveniently positioned, subsequent isolation operation is facilitated, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal blocks, in particular to a secondary safety isolation device for terminal blocks. Background Art

[0002] Terminal block means an insulating component that carries multiple or multiple groups of mutually insulated terminal components and is used to fix the support. The function of the terminal block is to connect the lines of the equipment inside the screen and the equipment outside the screen, and play the role of signal (current and voltage) transmission. With the terminal block, the wiring is beautiful and the maintenance is convenient. When connecting long-distance lines, it is mainly reliable, and the construction and maintenance are convenient. The existing patent is a secondary safety isolation device for terminal blocks. The patent publication number is CN209029772U, which includes a reel drum, a reel fixing part and a reel. The reel drum is provided with a spring shaft, and the reel is rolled on the spring shaft. The fixed end of the reel is fixedly connected to the spring shaft, and the free end of the reel passes through. The reel drum is clamped in the reel fixing part; a "V"-shaped clamping groove is provided in the reel fixing part along the length direction of the reel fixing part, one end of the clamping groove forms a reel inlet on the side wall of one side of the reel fixing part, and the other end of the clamping groove is closed by the side wall of the other side of the reel fixing part to form a clamping cavity; after the free end of the reel passes through the reel drum, it passes through the reel inlet into the reel fixing part and is clamped in the clamping cavity; so as to solve the problems of safety, efficiency and waste of resources caused by the traditional secondary safety isolation measure of using insulating tape for bonding isolation.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: it is inconvenient to position and seal them in actual applications, which affects the subsequent isolation problem. Therefore, we propose a secondary safety isolation device for terminal blocks to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a secondary safety isolation device for a terminal block, which solves the problem that it is inconvenient to position and seal the terminal block, thereby affecting subsequent isolation.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a secondary safety isolation device for a terminal block, comprising a base, a card plate is inserted on the upper surface of the base, plug rods are inserted on both sides of the base, a baffle is fixedly installed on one end of the plug rod, a reset spring is arranged around the surface of the plug rod, one end of the plug rod is plugged into one side of the card plate, a circular hole is opened at one end of the plug rod, a buffer spring is fixedly installed on the inner wall of the circular hole, a piston block is fixedly installed on one end of the buffer spring, and a ball is inlaid on one side of the piston block.

[0006] The inner top wall of the card plate is provided with a groove, a shock-absorbing spring is fixedly installed on the inner top wall of the groove, a clamping strip is fixedly installed on the bottom of the shock-absorbing spring, and limit strips are fixedly installed on both sides of the bottom of the clamping strip, and the surface of the limit strip is provided with anti-slip grooves.

[0007] Preferably, one end of the return spring is fixedly connected to one side of the base, and the other end of the return spring is fixedly connected to one side of the baffle.

[0008] Preferably, a pull ring is rotatably connected to the baffle plate via a rotating shaft, and the surface of the pull ring is provided with anti-slip grooves.

[0009] Preferably, the base is provided with a through hole for the insertion rod to pass through, and the inner wall of the through hole is slidably connected to the surface of the insertion rod, one side of the card plate is provided with a socket for the insertion rod to be inserted, and the inner wall of the socket is inserted into the surface of the insertion rod, and the ball is located inside the socket.

[0010] Preferably, semicircular grooves are provided on both sides of the bottom of the card plate, a card slot is provided on the inner bottom wall of the base, and the card slot and the semicircular groove form a circular hole.

[0011] Preferably, the four corners of the bottom of the clamping plate are fixedly mounted with limiting rods, the bottom of the limiting rods are inserted into the inner bottom wall of the base, and the inner bottom wall of the base is provided with limiting holes for the limiting rods to pass through.

[0012] Preferably, the piston block is adapted to the circular hole, and the surface of the piston block is slidably connected to the inner wall of the circular hole, and a circular hole for the ball to pass through is opened at one end of the insertion rod. Beneficial Effects

[0013] The utility model provides a secondary safety isolation device for a terminal block. Compared with the prior art, it has the following beneficial effects:

[0014] The secondary safety isolation device for the terminal block is provided by pulling out the insertion rod on the baffle plate, then separating the ball on the insertion rod from the clamping plate, then separating the clamping plate from the base, then clamping the terminal row wire to be clamped into the interior of the semicircular groove, then clamping the clamping plate into the interior of the base, then resetting the insertion rod on the baffle plate by a reset spring, then resetting the ball on the piston block by a buffer spring, so that the ball is clamped into the insertion hole on one side of the clamping plate, thereby facilitating the positioning operation, facilitating the subsequent isolation operation, facilitating the subsequent use, and improving the use efficiency of the device.

[0015] At the same time, the clamping strip is reset by the shock-absorbing spring, and then the limit strip is reset, so as to facilitate the positioning and clamping operation of the terminal wire, prevent it from loosening during subsequent use, and facilitate subsequent use. At the same time, the setting of the limit rod facilitates the positioning operation of the clamping plate and the base, prevents subsequent loosening, and improves the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the card board of the utility model from the first perspective.

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the card board of the utility model from a second viewing angle.

[0019] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the plug rod of the utility model.

[0020] Figure 5 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle.

[0021] In the figure: 1. base; 2. clamping plate; 3. plug rod; 4. baffle; 5. reset spring; 6. buffer spring; 7. piston block; 8. ball; 9. shock-absorbing spring; 10. clamping strip; 11. limit strip; 12. pull ring; 13. limit rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a secondary safety isolation device for a terminal block, comprising a base 1, a card plate 2 is inserted on the upper surface of the base 1, plug rods 3 are inserted on both sides of the base 1, a baffle 4 is fixedly installed on one end of the plug rod 3, a reset spring 5 is arranged around the surface of the plug rod 3, one end of the plug rod 3 is plugged with one side of the card plate 2, a circular hole is opened at one end of the plug rod 3, a buffer spring 6 is fixedly installed on the inner wall of the circular hole, a piston block 7 is fixedly installed on one end of the buffer spring 6, and a ball 8 is inlaid on one side of the piston block 7.

[0024] Pull out the insertion rod 3 on the baffle 4, then separate the ball 8 on the insertion rod 3 from the card plate 2, then separate the card plate 2 from the base 1, then insert the terminal cable to be connected into the interior of the semicircular groove, then insert the card plate 2 into the interior of the base 1, then the reset spring 5 resets the insertion rod 3 on the baffle 4, then the buffer spring 6 resets the ball 8 on the piston block 7, so that the ball 8 is inserted into the socket on one side of the card plate 2, so as to facilitate the positioning operation, facilitate the subsequent isolation operation, facilitate the subsequent use, and improve the use efficiency of the device.

[0025] A groove is provided on the inner top wall of the card plate 2, a shock absorbing spring 9 is fixedly installed on the inner top wall of the groove, a clamping strip 10 is fixedly installed on the bottom of the shock absorbing spring 9, and limiting strips 11 are fixedly installed on both sides of the bottom of the clamping strip 10, and the surface of the limiting strip 11 is provided with anti-slip grooves.

[0026] The shock-absorbing spring 9 resets the clamping strip 10 and then resets the limiting strip 11, so as to facilitate the positioning and clamping operation of the terminal wire, prevent it from loosening during subsequent use, and facilitate subsequent use. At the same time, the setting of the limiting rod 13 facilitates the positioning operation of the clamping plate 2 and the base 1, prevents subsequent loosening, and improves the stability of the device during use.

[0027] See also Figure 1 , Figure 5 One end of the return spring 5 is fixedly connected to one side of the base 1 , and the other end of the return spring 5 is fixedly connected to one side of the baffle 4 .

[0028] The reset spring 5 is provided to facilitate the positioning operation during use, thereby facilitating subsequent use and improving the use efficiency of the isolation device.

[0029] See also Figure 1 , Figure 5 A pull ring 12 is rotatably connected to the baffle plate 4 via a rotating shaft, and the surface of the pull ring 12 is provided with anti-slip grooves.

[0030] The pull ring 12 is provided to facilitate the pulling operation on the baffle 4 during use, thereby facilitating the operation of subsequent staff and improving the convenience of use of the device.

[0031] See also Figure 1 , Figure 5 A through hole is provided on the base 1 for the insertion rod 3 to pass through, and the inner wall of the through hole is slidably connected to the surface of the insertion rod 3. A socket is provided on one side of the card plate 2 for the insertion of the insertion rod 3, and the inner wall of the socket is plugged into the surface of the insertion rod 3. The ball 8 is located inside the socket.

[0032] The insertion rod 3 is provided to facilitate the insertion operation during use, and the provision of the ball 8 also achieves the effect of facilitating its positioning, thereby facilitating subsequent use.

[0033] See also Figure 1-Figure 3 Both sides of the bottom of the card plate 2 are provided with semicircular grooves, the inner bottom wall of the base 1 is provided with a card slot, and the card slot and the semicircular groove form a circular hole.

[0034] The semicircular groove is provided to facilitate the clamping effect and the subsequent positioning operation, thereby facilitating the subsequent use.

[0035] See also Figure 2 , Figure 3 The four corners of the bottom of the card plate 2 are fixedly installed with limit rods 13, the bottom of the limit rod 13 is inserted into the inner bottom wall of the base 1, and the inner bottom wall of the base 1 is provided with a limit hole for the limit rod 13 to pass through.

[0036] The limit rod 13 is provided to facilitate the insertion and limiting operation during use, so as to facilitate subsequent use, thereby improving the use stability of the device.

[0037] See also Figure 4 The piston block 7 is adapted to the circular hole, and the surface of the piston block 7 is slidably connected to the inner wall of the circular hole. A circular hole for the ball 8 to pass through is opened at one end of the insertion rod 3.

[0038] The piston block 7 is adapted to the circular hole, which facilitates subsequent positioning and moving operations during use, thereby facilitating subsequent use.

[0039] When working, the plug rod 3 on the baffle plate 4 is pulled out, and then the ball 8 on the plug rod 3 is separated from the card plate 2, and then the card plate 2 is separated from the base 1, and then the terminal line to be connected is inserted into the interior of the semicircular groove, and then the card plate 2 is inserted into the interior of the base 1, and then the reset spring 5 resets the plug rod 3 on the baffle plate 4, and then the buffer spring 6 resets the ball 8 on the piston block 7, so that the ball 8 is inserted into the jack on one side of the card plate 2, so as to facilitate the positioning operation thereof, facilitate the subsequent isolation operation, facilitate the subsequent use, and improve the use efficiency of the device, the shock-absorbing spring 9 resets the card strip 10, and then resets the limit strip 11, so as to facilitate the positioning and clamping operation of the terminal line, prevent it from loosening during subsequent use, and facilitate subsequent use. At the same time, the setting of the limit rod 13 facilitates the positioning operation of the card plate 2 and the base 1, prevents subsequent loosening, and improves the stability of the device when in use.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A secondary safety isolation device for a terminal block, comprising a base (1), characterized in that: A card plate (2) is inserted into the upper surface of the base (1), and an insertion rod (3) is inserted into both sides of the base (1), a baffle (4) is fixedly mounted on one end of the insertion rod (3), a return spring (5) is arranged around the surface of the insertion rod (3), one end of the insertion rod (3) is plugged into one side of the card plate (2), a circular hole is opened at one end of the insertion rod (3), a buffer spring (6) is fixedly mounted on the inner wall of the circular hole, a piston block (7) is fixedly mounted on one end of the buffer spring (6), and a ball (8) is inlaid on one side of the piston block (7); The inner top wall of the clamping plate (2) is provided with a groove, a damping spring (9) is fixedly mounted on the inner top wall of the groove, a clamping strip (10) is fixedly mounted on the bottom of the damping spring (9), and limit strips (11) are fixedly mounted on both sides of the bottom of the clamping strip (10), and the surface of the limit strip (11) is provided with anti-slip grooves.

2. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: One end of the return spring (5) is fixedly connected to one side of the base (1), and the other end of the return spring (5) is fixedly connected to one side of the baffle (4).

3. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: A pull ring (12) is rotatably connected to the baffle plate (4) via a rotating shaft, and a surface of the pull ring (12) is provided with anti-slip grooves.

4. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: The base (1) is provided with a through hole for the insertion rod (3) to pass through, and the inner wall of the through hole is slidably connected to the surface of the insertion rod (3); one side of the clamping plate (2) is provided with a plug hole for the insertion rod (3) to be plugged in, and the inner wall of the plug hole is plugged in to the surface of the insertion rod (3); and the ball (8) is located inside the plug hole.

5. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: Semicircular grooves are provided on both sides of the bottom of the clamping plate (2), and a clamping groove is provided on the inner bottom wall of the base (1), and the clamping groove and the semicircular groove form a circular hole.

6. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: Limiting rods (13) are fixedly mounted at the four corners of the bottom of the clamping plate (2), the bottom of the limiting rod (13) is inserted into the inner bottom wall of the base (1), and the inner bottom wall of the base (1) is provided with a limiting hole for the limiting rod (13) to pass through.

7. A secondary safety isolation device for a terminal block according to claim 1, characterized in that: The piston block (7) is adapted to the circular hole, and the surface of the piston block (7) is slidably connected to the inner wall of the circular hole. A circular hole for the ball (8) to pass through is provided at one end of the insertion rod (3).

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