Central control bolt system

Abstract

The utility model relates to the technical field of central control plug pins, in particular to a central control plug pin system which comprises a central control plug pin body, a rotating shaft is arranged in the central control plug pin body, a gear is sleeved outside the rotating shaft, through holes are formed in the left side and the right side of the central control plug pin body, and heaven and earth hooks penetrating through the through holes are arranged on the left side and the right side of the central control plug pin body. Connecting pieces located in the center control bolt body are arranged on one sides of the two heaven and earth hooks, limiting sliding grooves are formed in the connecting pieces, and limiting sliding rods which penetrate through the limiting sliding grooves and are movably connected with the limiting sliding grooves are arranged on the left side and the right side in the center control bolt body. Toothed plate pieces located at the upper end and the lower end of the gear and connected with the gear in a meshed mode are arranged on one sides of the two connecting pieces, a shifting rod is arranged above the rotating shaft, and an extending block is fixedly arranged on the front end face of the shifting rod. The center control bolt can be conveniently replaced through the deflector rod, the internal structure is simple, and the problem that the follow-up replacement cost is high is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of central control bolt, especially to central control bolt system. BACKGROUND

[0002] The central control bolt is a control device for the upper bolt and the lower bolt in the security door, and the upper bolt or the lower bolt is retracted / extended into the security door by swinging the turning rod in the central control bolt. The central control bolt is a control device for the upper bolt and the lower bolt in the security door, and the upper bolt and the lower bolt are retracted / extended into the security door by swinging the turning handle in the central control bolt. The central control bolt on the market will inevitably have the phenomenon that the bolt is not pulled back into the security door. When the lower bolt of the security door is not pulled back into the security door and the security door is turned, the bolt will collide with the lower door frame, and even the longer lower bolt will collide / scratch the ground, affecting the appearance of the door frame and the ground.

[0003] The existing central control bolt has a complex combination of internal parts. If replacement is needed, the entire central control bolt needs to be replaced, and the turning rod will be damaged after long-term use, affecting subsequent use. Therefore, the existing central control bolt needs to be replaced as a whole, and the turning rod cannot be replaced alone, which wastes costs.

[0004] Therefore, in view of the above problems that the existing central control bolt has a complex combination of internal parts, replacement is needed, the entire central control bolt needs to be replaced, and the turning rod will be damaged after long-term use, affecting subsequent use, the existing central control bolt needs to be replaced as a whole, and the turning rod cannot be replaced alone, which wastes costs, a central control bolt with a turning rod that can be easily replaced and a relatively simple internal structure can be designed to prevent the problem of high subsequent replacement costs. SUMMARY

[0005] In order to overcome the problem that the existing central control bolt has a complex combination of internal parts, replacement is needed, the entire central control bolt needs to be replaced, and the turning rod will be damaged after long-term use, affecting subsequent use, the existing central control bolt needs to be replaced as a whole, and the turning rod cannot be replaced alone, which wastes costs.

[0006] The utility model discloses a technical scheme for: central control bolt system, including central control bolt body, the inside of central control bolt body is provided with the pivot, the outside of pivot is sleeved with gear, the left and right sides of central control bolt body are all seted up and pass through the hole, the left and right sides of central control bolt body are all seted up and pass through the hole with the ground hook, one side of two ground hooks is all seted up and is located the connecting piece in the inside of central control bolt body, the inside of connecting piece is seted up and is limited the sliding slot, the left and right sides in the inside of central control bolt body are all seted up and are limited the sliding rod of sliding slot and the movable joint of penetration, one side of two connecting pieces is all seted up and is located the toothed plate piece on the upper and lower ends of gear and is connected with the meshing, the top of pivot is provided with the lever, the front end surface of lever is fixed and is provided with the extension block, the lower end surface of extension block is fixed and is provided with the sleeve block of sleeveing in the outside of pivot, the inside of sleeve block is provided with the insertion, the protrusion in the inside of plug rod slot.

[0007] Preferably, the hollow bolt body is rotated by rotating the lever, the part connected with the pivot at one end of the lever drives the pivot to rotate, when the pivot rotates, the external gear starts to rotate, the toothed plate pieces connected with the gear at both ends are displaced in the opposite direction, the toothed plate pieces drive the connecting pieces on one side to displace, the ground hooks on one side of the two connecting pieces are moved in the opposite direction, so that they are expanded to both sides.

[0008] Preferably, the front end surface of the central control bolt body is provided with a mounting plate, mounting holes are formed on the left and right sides of the upper and lower ends of the mounting plate.

[0009] Preferably, a limiting slot is formed on the front end surface of the mounting plate, and the lever penetrates through the limiting slot and the mounting plate.

[0010] Preferably, limiting blocks are arranged on the left and right sides of the rear end surface of the mounting plate.

[0011] Preferably, a shaft coupling is arranged inside the central control bolt body below the pivot.

[0012] Preferably, an elastic rod is arranged at one end of the lever inside the limiting slot, and a spring is sleeved outside the elastic rod.

[0013] Preferably, a slot is arranged inside the sleeve block, and the pivot is inserted into the slot.

[0014] The utility model discloses the beneficial effect:

[0015] The hollow bolt body is rotated by rotating the lever, the part connected with the pivot at one end of the lever drives the pivot to rotate, when the pivot rotates, the external gear starts to rotate, the toothed plate pieces connected with the gear at both ends are displaced in the opposite direction, the toothed plate pieces drive the connecting pieces on one side to displace, the ground hooks on one side of the two connecting pieces are moved in the opposite direction, so that they are expanded to both sides.

[0016] The extension block is sleeved on the outside of the rotating shaft through the sleeving block on the lower end surface of the extension block, so that the rotating shaft is inserted into the insertion slot for fixation, and meanwhile the protrusion in the insertion slot is inserted into the insertion rod slot formed on the upper end surface of the rotating shaft for fixation, so that the installation of the poking rod is completed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt.

[0018] Figure 2 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt.

[0019] Figure 3 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt.

[0020] Figure 4 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt. Figure 3 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt.

[0021] Figure 5 A middle control bolt body is shown in the three-dimensional structure schematic view of the middle control bolt.

[0022] Reference signs: 1, middle control bolt body; 2, mounting plate; 3, mounting hole; 4, limiting slot; 5, poking rod; 6, ceiling and floor hook; 7, limiting block; 8, extension block; 9, limiting sliding slot; 10, limiting sliding rod; 11, connecting piece; 12, toothed plate piece; 13, rotating shaft; 14, gear; 15, insertion rod slot; 16, sleeving block; 17, insertion slot; 18, protrusion. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with the drawings and examples.

[0024] Please refer to Figures 1-5The utility model provides a kind of embodiment: central control latch system, including central control latch body 1, the inside of central control latch body 1 is provided with shaft 13, the outside of shaft 13 is sleeved with gear 14, the left and right sides of central control latch body 1 are all provided with through hole, the left and right sides of central control latch body 1 are all provided with ground hook 6 and are penetrated with through hole, the side of two ground hooks 6 is all provided with the connecting piece 11 located in the inside of central control latch body 1, the inside of connecting piece 11 is provided with limit sliding slot 9, the left and right sides in the inside of central control latch body 1 are all provided with the limit sliding rod 10 and are penetrated with limit sliding slot 9 and movably connected, the side of two connecting pieces 11 is all provided with the toothed plate piece 12 located in the upper and lower ends of gear 14 and is meshed with it, the above of shaft 13 is provided with the lever 5, the front end surface of lever 5 is fixedly provided with extension block 8, the lower end surface of extension block 8 is fixedly provided with the sleeve block 16 of sleeveing in the outside of shaft 13, the inside of sleeve block 16 is provided with insertion, the projection 18 in the inside of plug rod slot 15.

[0025] Please refer to Figures 1-2 In the embodiment, the front end surface of central control latch body 1 is provided with mounting plate 2, the left and right sides of the upper and lower ends of mounting plate 2 are all provided with mounting hole 3, the front end surface of mounting plate 2 is provided with limit slot 4, lever 5 is penetrated with mounting plate 2 through limit slot 4, the left and right sides of the rear end surface of mounting plate 2 are all provided with limit block 7, central control latch body 1 is through the lever 5 is stirred, when the lever 5 is turned to one end, the part of the lever 5 one end and the shaft 13 connected will drive shaft 13 to rotate, then when shaft 13 rotates, the gear 14 outside will start to rotate, then the toothed plate piece 12 meshed with the both ends of gear 14 will move in opposite directions, then the toothed plate piece 12 will drive the connecting piece 11 on one side to move, the limit sliding rod 10 connected in the inside of connecting piece 11 will move in limit sliding slot 9, the ground hook 6 on the side of two connecting pieces 11 will move in opposite directions, so that it can be expanded to both sides.

[0026] Please refer to Figures 3-5 In the embodiment, the below of shaft 13 is provided with the shaft coupling in the inside of central control latch body 1, one end of lever 5 is provided with the elastic rod in the inside of limit slot 4, the outside of elastic rod is sleeved with spring, the inside of sleeve block 16 is provided with plug groove 17, shaft 13 is inserted into plug groove 17, lever 5 is sleeved in the outside of shaft 13 through the sleeve block 16 of the lower end surface of extension block 8, so that shaft 13 is inserted into plug groove 17 and fixed, the installation of lever 5 can be completed, while the projection 18 in the inside of plug groove 17 is inserted into the plug rod slot 15 opened in the upper end surface of shaft 13 and fixed.

[0027] When working, the central control bolt body 1 is turned by the turning lever 5, so that when the turning lever 5 is turned to one end, the part connected with the rotating shaft 13 will drive the rotating shaft 13 to rotate, and when the rotating shaft 13 rotates, the external gear 14 will start to rotate, and the two ends of the gear 14 will drive the toothed plate 12 to move in the opposite direction, and the toothed plate 12 will drive the connecting piece 11 on one side to move, and the limiting slide rod 10 connected inside the connecting piece 11 will move in the limiting slide groove 9, and the heaven and earth hooks 6 on the two connecting pieces 11 will move in the opposite direction, so that they can be expanded to both sides; the turning lever 5 is sleeved on the outside of the rotating shaft 13 through the sleeve block 16 on the lower end surface of the extension block 8, so that the rotating shaft 13 is inserted into the insertion slot 17 for fixation, and the protrusion 18 in the insertion slot 17 is inserted into the insertion rod slot 15 on the upper end surface of the rotating shaft 13 for fixation, so that the installation of the turning lever 5 is completed.

[0028] Through the above steps, the turning lever 5 is sleeved on the outside of the rotating shaft 13 through the sleeve block 16 on the lower end surface of the extension block 8, so that the rotating shaft 13 is inserted into the insertion slot 17 for fixation, and the protrusion 18 in the insertion slot 17 is inserted into the insertion rod slot 15 on the upper end surface of the rotating shaft 13 for fixation, so that the installation of the turning lever 5 is completed. The existing central control bolt has a complex combination of parts, and if it needs to be replaced, the entire central control bolt needs to be replaced, and the turning lever 5 will be damaged after long-term use, affecting subsequent use. Therefore, the existing one needs to be replaced as a whole, and the turning lever 5 cannot be replaced alone, which wastes cost.

Claims

1. A central locking system comprising a central locking body (1), characterized in that: The inside of the central control bolt body (1) is provided with a rotating shaft (13), the outside of the rotating shaft (13) is sleeved with a gear (14), the left and right sides of the central control bolt body (1) are both provided with a through hole, the left and right sides of the central control bolt body (1) are both provided with a ceiling hook (6) penetrating the through hole, one side of the two ceiling hooks (6) is provided with a connecting piece (11) located in the inside of the central control bolt body (1), the inside of the connecting piece (11) is provided with a limiting sliding groove (9), the left and right sides of the inside of the central control bolt body (1) are both provided with a limiting sliding rod (10) penetrating and movably connected with the limiting sliding groove (9), one side of the two connecting pieces (11) is provided with a toothed plate piece (12) located at the upper and lower ends of the gear (14) and movably connected with the gear (14), the upper side of the rotating shaft (13) is provided with a lever (5), the front end surface of the lever (5) is fixedly provided with an extension block (8), the lower end surface of the extension block (8) is fixedly provided with a sleeving block (16) sleeved outside the rotating shaft (13), the inside of the sleeving block (16) is provided with an insertion, and the inside of the insertion rod slot (15) is provided with a protrusion (18).

2. The master key system of claim 1, wherein: The front end surface of the central control bolt body (1) is provided with a mounting plate (2), the left and right sides of the upper and lower ends of the mounting plate (2) are both provided with a mounting hole (3).

3. The master key system of claim 2, wherein: The front end surface of the mounting plate (2) is provided with a limiting groove (4), and the lever (5) penetrates the limiting groove (4) and is connected with the mounting plate (2).

4. The master key system of claim 2, wherein: The left and right sides of the rear end surface of the mounting plate (2) are both provided with a limiting block (7).

5. The master key system of claim 1, wherein: The lower side of the rotating shaft (13) is provided with a shaft coupling located in the inside of the central control bolt body (1).

6. The master key system of claim 1, wherein: One end of the lever (5) is provided with an elastic rod located in the inside of the limiting groove (4), and the outside of the elastic rod is sleeved with a spring.

7. The master key system of claim 1, wherein: The inside of the sleeving block (16) is provided with a slot (17), and the rotating shaft (13) is inserted into the slot (17).

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