Stainless steel outer cover locking mechanism for escape push lever

Abstract

The utility model relates to the technical field of escape push levers, in particular to a stainless steel outer cover locking mechanism for an escape push lever, which comprises a bottom shell, stainless steel outer covers are covered at two ends of the bottom shell, fixing columns are embedded in the stainless steel outer covers, two locking screws are arranged on the surfaces of the stainless steel outer covers, and the locking screws are connected with the bottom shell. Pushing and pressing mechanisms are arranged at the two ends of the interior of the bottom shell and used for pulling the stainless steel outer cover to be buckled. One side of the pushing and pressing mechanism is connected with a clamping fastening mechanism, and the clamping fastening mechanism is located in the bottom shell and used for locking the pushing and pressing mechanism in the bottom shell. The stainless steel outer cover is fixed through the locking screws and the fixing columns, the problem that an existing stainless steel outer cover needs to be externally fixed during installation is solved, and the attractiveness degree of the stainless steel outer cover during installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of escape push rods, in particular to a stainless steel outer cover locking mechanism for an escape push rod. Background Technique

[0002] An escape push rod is a device installed on an escape door. It can prevent unauthorized entry of external personnel into the interior and allow internal personnel to evacuate in case of an emergency. The stainless steel outer cover is one of the accessories of the escape push rod.

[0003] Currently, the existing escape push rods fix the stainless steel outer cover using bolts, and the fixed bolts are all arranged outside, which will cause the stainless steel outer cover to be not aesthetically pleasing after installation, thus bringing great trouble to people's use. Content of the Utility Model

[0004] The purpose of the utility model is to provide a stainless steel outer cover locking mechanism for an escape push rod to solve the problem that the stainless steel outer cover is fixed outside using bolts and is not aesthetically pleasing after installation as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A stainless steel outer cover locking mechanism for an escape push rod, including a bottom shell, both ends of the bottom shell are covered with a stainless steel outer cover, and fixing columns are embedded inside the stainless steel outer cover. Two locking screw rods are arranged on the surface of the stainless steel outer cover, and the locking screw rods are used for fixing the stainless steel outer cover; Push-pressing mechanisms are arranged at both ends inside the bottom shell, and the push-pressing mechanisms are used for pulling the stainless steel outer cover for buckling; One side of the push-pressing mechanism is connected with a clamping and fastening mechanism, and the clamping and fastening mechanism is located inside the bottom shell, and the clamping and fastening mechanism is used for locking the push-pressing mechanism inside the bottom shell.

[0006] Preferably, the push-pressing mechanism includes a base, a pushing frame, a return spring, a connecting rod, a pressing seat and a connecting arm. There are two groups of bases, and the two groups of bases are installed at both ends of the bottom shell, and the adjacent bases are hinged to each other through a connecting arm. A lock core is rotatably connected to the surface of the base, and a toggle rod is movably connected to one side of the lock core on the surface of the base, and the toggle rod is used for toggling the lock core to rotate to unlock after being pushed by the push-pressing mechanism.

[0007] Preferably, pushing frames are hinged to the surfaces of the bases, and arc-shaped installation grooves are formed on the surfaces of the pushing frames. When the stainless steel outer cover is inserted into the end of the bottom shell, the fixing column is buckled with the arc-shaped installation groove.

[0008] Preferably, a connecting rod is hinged to the surface of the pushing frame through a hinge shaft, a return spring is sleeved on the hinge shaft of the connecting rod and the pushing frame, one end of the return spring is fixedly connected to the surface of the connecting rod, and the other end of the return spring is fixedly connected to the surface of the pushing frame.

[0009] Preferably, the top end of the connecting rod is hinged with a pressing seat, and after the push rod is covered, the pressing seat and the surface of the push rod are buckled with each other.

[0010] Preferably, the clamping and fastening mechanism is composed of a clamping mounting piece, a fixing bolt and a clamping fastening piece, and the clamping mounting piece is mounted on the surface of the bottom shell.

[0011] Preferably, a fixing bolt is arranged on one side of the clamping mounting piece, two clamping fastening pieces are threadedly connected to the surface of the clamping mounting piece, and one end of the clamping fastening piece penetrates through the clamping mounting piece and is threadedly connected with the fixing bolt.

[0012] Compared with the prior art, the beneficial effect of the present utility model is that when the stainless steel outer cover locking mechanism for the escape push rod is implemented, the clamping and fastening mechanism and the pushing mechanism are installed inside the bottom shell, and then the stainless steel outer covers are assembled at both ends of the bottom shell. During assembly, the stainless steel outer covers are snapped in from top to bottom. After being snapped in, the fixing columns inside the stainless steel outer covers will be stuck inside the arc-shaped installation grooves. At this time, the spring of the return spring will push the arc-shaped installation groove on the surface of the pushing frame to buckle with the fixing column, and then by rotating the locking screw outward, the threaded connection between the locking screw and the fixing column will tighten the stainless steel outer cover, thereby fixing the stainless steel outer cover at the end of the bottom shell. After that, the push rod is covered to complete the assembly. The present utility model fixes the stainless steel outer cover through the locking screw and the fixing column, solves the problem that the existing stainless steel outer cover needs external fixing during installation, and improves the aesthetic degree during the installation of the stainless steel outer cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional external structure schematic diagram of the present utility model;

[0014] Figure 2 is a three-dimensional cross-sectional structure schematic diagram of the present utility model;

[0015] Figure 3 is a partial cross-sectional enlarged structure schematic diagram of the present utility model;

[0016] Figure 4 is an exploded structure schematic diagram of the present utility model;

[0017] Figure 5 is a partial exploded structure schematic diagram of the present utility model.

[0018] In the figure: 1. Bottom shell; 2. Stainless steel outer cover; 3. Push rod; 4. Fixed column; 5. Locking screw; 6. Clamping and fastening mechanism; 61. Clamping mounting piece; 62. Fixed bolt; 63. Clamping fastening piece; 7. Pushing mechanism; 70. Base; 71. Pushing frame; 711. Arc-shaped mounting groove; 72. Return spring; 73. Connecting rod; 74. Pressing seat; 75. Connecting arm; 8. Lock core; 81. Pushing rod. Detailed implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0020] The structure of a stainless steel outer cover locking mechanism for an escape push rod provided by the present invention is as Figure 1 and Figure 4 shown, including a bottom shell 1. The two ends of the bottom shell 1 are covered with a stainless steel outer cover 2, and a fixed column 4 is embedded inside the stainless steel outer cover 2. Two locking screws 5 are arranged on the surface of the stainless steel outer cover 2, and the locking screws 5 are used for fixing the stainless steel outer cover 2; pushing mechanisms 7 are arranged at both ends inside the bottom shell 1, and the pushing mechanisms 7 are used for pulling the stainless steel outer cover 2 to be buckled; a clamping and fastening mechanism 6 is connected to one side of the pushing mechanism 7, and the clamping and fastening mechanism 6 is located inside the bottom shell 1. The clamping and fastening mechanism 6 is used for locking the pushing mechanism 7 inside the bottom shell 1. The clamping and fastening mechanism 6 is composed of a clamping mounting piece 61, a fixed bolt 62 and a clamping fastening piece 63. The clamping mounting piece 61 is installed on the surface of the bottom shell 1. A fixed bolt 62 is arranged on one side of the clamping mounting piece 61. Two clamping fastening pieces 63 are threadedly connected to the surface of the clamping mounting piece 61, and one end of the clamping fastening piece 63 penetrates through the clamping mounting piece 61 and is threadedly connected to the fixed bolt 62.

[0021] During implementation, the clamping and fastening mechanism 6 and the pushing mechanism 7 are installed inside the bottom shell 1, and then the stainless steel outer covers 2 are assembled at both ends of the bottom shell 1.

[0022] Furthermore, asFigure 2 , Figure 3 as well as Figure 5 As shown, the pushing mechanism 7 includes a base 70, a pushing frame 71, a return spring 72, a connecting rod 73, a pressure seat 74 and a connecting arm 75. The base 70 is provided with two groups, and the two groups of bases 70 are installed at both ends of the bottom shell 1, and the adjacent bases 70 are hinged to each other through the connecting arm 75. The surface of the base 70 is rotatably connected to the lock cylinder 8, and one side of the lock cylinder 8 on the surface of the base 70 is movably connected to a lever 81. The lever 81 is used to rotate the lock cylinder 8 to unlock after being pushed by the pushing mechanism 7. The surface of the base 70 is hinged with the pushing frame 71, and the pushing frame 71 An arc-shaped mounting groove 711 is provided on the surface, and when the stainless steel outer cover 2 is inserted into the end of the bottom shell 1, the fixing column 4 and the arc-shaped mounting groove 711 are interlocked with each other, and the surface of the pushing frame 71 is hinged with a connecting rod 73 through a hinge shaft, and a return spring 72 is mounted on the hinge shaft of the connecting rod 73 and the pushing frame 71, and one end of the return spring 72 is fixedly connected to the surface of the connecting rod 73, and the other end of the return spring 72 is fixedly connected to the surface of the pushing frame 71, and a pressure seat 74 is hinged on the top end of the connecting rod 73, and after the push rod 3 is closed, the pressure seat 74 and the surface of the push rod 3 are interlocked.

[0023] During implementation, the stainless steel outer cover 2 is inserted from top to bottom. After insertion, the fixing column 4 inside the stainless steel outer cover 2 will be stuck in the arc-shaped installation groove 711. At this time, the spring of the reset spring 72 will push the arc-shaped installation groove 711 on the surface of the pushing frame 71 to engage with the fixing column 4.

[0024] Working principle: when in use, first install the locking fastening mechanism 6 and the pushing mechanism 7 inside the bottom shell 1, and then assemble the stainless steel outer cover 2 at both ends of the bottom shell 1. When assembling, the stainless steel outer cover 2 is inserted from top to bottom. After insertion, the fixing column 4 inside the stainless steel outer cover 2 will be stuck in the arc-shaped mounting groove 711. At this time, the spring of the reset spring 72 will push the arc-shaped mounting groove 711 on the surface of the pushing frame 71 to engage with the fixing column 4, and then by rotating the locking screw 5 outward, the locking screw 5 and the fixing column 4 are threadedly connected to tighten the stainless steel outer cover 2, thereby fixing the stainless steel outer cover 2 to the end of the bottom shell 1, and then the push rod 3 is covered to complete the assembly. The utility model fixes the stainless steel outer cover 2 by the locking screw 5 and the fixing column 4, solves the problem that the existing stainless steel outer cover needs to be fixed externally during installation, and improves the aesthetics of the stainless steel outer cover during installation.

[0025] When the escape push rod is implemented, the push rod 3 is pressed, and the push rod 3 presses down the pressure seat 74. After the pressure seat 74 is pressed, it drives the movement of the connecting rod 73. Then the elastic force of the return spring 72 drives the push frame 71 to slide, thereby pushing the lever 81 to move the lock cylinder 8 to unlock.

[0026] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A stainless steel outer cover locking mechanism for an escape push bar, comprising a bottom shell (1), characterized in that: The two ends of the bottom shell (1) are covered with stainless steel outer covers (2), and the interior of the stainless steel outer covers (2) is inlaid with fixing columns (4), and the surface of the stainless steel outer covers (2) is provided with two locking screws (5), and the locking screws (5) are used to fix the stainless steel outer covers (2); both ends of the interior of the bottom shell (1) are provided with pushing mechanisms (7), and the pushing mechanisms (7) are used to pull the stainless steel outer covers (2) to buckle; one side of the pushing mechanism (7) is connected to a locking fastening mechanism (6), and the locking fastening mechanism (6) is located inside the bottom shell (1), and the locking fastening mechanism (6) is used to lock the pushing mechanism (7) inside the bottom shell (1).

2. The stainless steel outer cover locking mechanism for an escape push bar according to claim 1, characterized in that: The pushing mechanism (7) comprises a base (70), a pushing frame (71), a return spring (72), a connecting rod (73), a pressure seat (74) and a connecting arm (75). The base (70) is provided with two groups, the two groups of bases (70) are installed at two ends of the bottom shell (1), and adjacent bases (70) are hinged to each other through the connecting arm (75). The surface of the base (70) is rotatably connected to a lock core (8), and one side of the lock core (8) on the surface of the base (70) is movably connected to a lever (81). After being pushed by the pushing mechanism (7), the lever (81) is used to rotate the lock core (8) to realize unlocking.

3. The stainless steel outer cover locking mechanism for an escape push bar according to claim 2, characterized in that: The surface of the base (70) is hinged with a push frame (71), and the surface of the push frame (71) is provided with an arc-shaped installation groove (711), and when the stainless steel outer cover (2) is inserted into the end of the bottom shell (1), the fixing column (4) and the arc-shaped installation groove (711) are mutually buckled.

4. The stainless steel outer cover locking mechanism for an escape push bar according to claim 3, characterized in that: The surface of the pushing frame (71) is hinged with a connecting rod (73) via a hinge shaft, and a return spring (72) is sleeved on the hinge shaft of the connecting rod (73) and the pushing frame (71), and one end of the return spring (72) is fixedly connected to the surface of the connecting rod (73), while the other end of the return spring (72) is fixedly connected to the surface of the pushing frame (71).

5. The stainless steel outer cover locking mechanism for an escape push bar according to claim 4, characterized in that: The top end of the connecting rod (73) is hinged with a pressure seat (74), and after the push rod (3) is covered, the pressure seat (74) and the surface of the push rod (3) are mutually buckled.

6. The stainless steel outer cover locking mechanism for an escape push bar according to claim 1, characterized in that: The positioning and fastening mechanism (6) is composed of a positioning and mounting plate (61), a fixing bolt (62) and a positioning and fastening plate (63); the positioning and mounting plate (61) is mounted on the surface of the bottom shell (1).

7. A stainless steel outer cover locking mechanism for an escape push bar according to claim 6, characterized in that: A fixing bolt (62) is provided on one side of the locking installation piece (61), two locking fastening pieces (63) are threadedly connected to the surface of the locking installation piece (61), and one end of the locking fastening piece (63) passes through the locking installation piece (61) and is threadedly connected to the fixing bolt (62).

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