Fire-fighting escape clamp

Abstract

The utility model discloses a fire-fighting escape clamp which comprises a rotating rod, a first clamp rod is installed on one side of the rotating rod, a second clamp rod is installed on the other side of the rotating rod, one end of the first clamp rod and one end of the second clamp rod are both connected with clamp handles, handles are arranged on the outer side walls of the clamp handles, the top end of the first clamp rod and the top end of the second clamp rod are connected with clamp heads, and the clamp heads are connected with the rotating rod. Two extension plates are symmetrically fixed to the middle of the top end of the tong head, and two tool bits are symmetrically installed at the top ends of the extension plates. The utility model has the beneficial effects that through the design of the plier handle and the handle, when a user slides down, the problem that the bracket tightly holds the plier handle and slips out of the hand can be effectively avoided in cooperation with the design of the handle, the use stability of an escaper is ensured, the safety of the user is ensured, and meanwhile, through the design of the tool bit, the safety of the escaper is ensured. The device is simple in structure and convenient to use, blocked soft objects can be sheared, by means of the design of the hammer head, a window can be rapidly broken open, and the practicability of the device during escape is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fire escape pliers, and particularly relates to a fire escape plier. Background Art

[0002] In current high-rise buildings, elevators cannot be used in case of a fire, and it is a common practice to escape through the safety escape stairs.

[0003] Chinese Patent with the patent number CN201810897105.X discloses a fire escape plier, which includes an arc cam, a flower wheel, a shaft, a plier handle, a connecting block, a safety pin, a compression spring, a support piece, a pin, a snap ring retainer, bolts and nuts, etc. When a fire breaks out in a high-rise building, the escape personnel hold the lower part of the present invention with their left and right hands respectively, use the device of the present invention to actively bite a new type of fire escape track, and finally the escape personnel lift their feet and slide down along the track by their own gravity, and finally escape safely. The beneficial effects of the present invention are: a wide range of production materials, few components and low production cost, which can improve the escape speed and prevent the occurrence of stampede accidents, and provide a safe escape method for the personnel at the fire scene.

[0004] The fire escape plier described in the above patent uses its own gravity to slide down along a specific track, so as to quickly and safely escape from the fire scene. Although the above method can assist the escape personnel to escape from the fire scene, when the floor is relatively high or the laid track is relatively inclined, it is easy to slip and let go when the escape personnel grab the plier handle and fall. The anti-slip degree of the plier handle is not enough, resulting in low safety when the device is used. At the same time, the device only has a sliding escape device, and various emergencies before sliding escape, such as the window cannot be opened, affect the use of the sliding function of the device and delay the escape time. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] The technical problem to be solved by the utility model is to provide a fire escape plier that can not only prevent slipping but also be convenient to deal with various emergencies in view of the current situation of the prior art.

[0007] (2) Technical Solutions

[0008] The present utility model is achieved through the following technical solutions: The present utility model provides a fire escape clamp, which includes a rotating rod. On one side of the rotating rod, a first clamping rod is installed, and on the other side of the rotating rod, a second clamping rod is installed. One end of each of the first clamping rod and the second clamping rod is connected to a clamping handle. A handle is provided on the outer side wall of the clamping handle. The tops of the first clamping rod and the second clamping rod are connected to a clamping head. In the middle of the top of the clamping head, two extension plates are symmetrically fixed. On the top of the extension plates, two cutter heads are symmetrically installed. On the upper end of one side wall of the clamping head, two hammer heads are symmetrically installed.

[0009] Further, a fixing groove is formed on one side wall of one of the extension plates. A chain is arranged in the fixing groove. One end of the chain is connected to a mounting head. A fixing hole is formed on one side wall of the other extension plate.

[0010] By adopting the above technical solutions, the design of the fixing hole, the fixing groove, the chain and the mounting head realizes the fixing and limiting of the top of the clamping head, and ensures the stability of the top when the device works.

[0011] Further, a rotating shaft is installed at the lower end of one of the clamping handles, and a threaded rod is installed at the lower end of the other clamping handle. A limiting rod is arranged on the rotating shaft. A clamping plate is arranged at one end of the limiting rod. A locking nut is installed on the threaded rod outside the clamping plate. An anti-slip block is fixed outside the locking nut.

[0012] By adopting the above technical solutions, the clamping handle realizes the extension of the first clamping rod and the second clamping rod, realizes the control of the opening and closing of the clamping head, and the first clamping rod and the second clamping rod cooperate to respectively fix the two parts of the clamping head.

[0013] Further, both the fixing groove and the fixing hole are formed on the extension plate. The chain is screwed to the fixing groove and the mounting head.

[0014] By adopting the above technical solutions, the fixing groove realizes the installation and fixing of the chain, and the mounting head realizes the connection between the fixing holes.

[0015] Further, the rotating shaft is screwed to the first clamping handle, the threaded rod is screwed to the clamping handle, and the limiting rod is rotatably connected to the rotating shaft.

[0016] By adopting the above technical solutions, the rotating shaft realizes the installation of the limiting rod, which facilitates the rotation of the limiting rod, and the threaded rod realizes the fixing of the other end of the limiting rod.

[0017] Further, the clamping plate is welded to the limiting rod, the clamping plate is inserted into the threaded rod, and the locking nut is screwed onto the threaded rod.

[0018] By adopting the above technical solution, the design of the clamping plate realizes the fixation of the position of the limiting rod. Cooperating with the locking nut and the anti-slip block to rotate and squeeze the clamping plate can effectively prevent the two pliers handles from closing, ensuring the stability of the pliers head on the track.

[0019] Furthermore, both the first pliers rod and the second pliers rod are rotatably connected to the rotating rod. The pliers head is of a two semi-circular ring structure. The pliers head is welded to the first pliers rod and the second pliers rod, and the handle is screw-connected to the pliers handle.

[0020] By adopting the above technical solution, the design of the pliers head enables the device to be used on the laid track. Using its own gravity, the escape pliers slide down along a specific track, so as to quickly and safely escape from the fire scene. The pliers head is an opening and closing structure, which is convenient for adjustment and installation according to the situation. The design of the handle can effectively prevent the bracket from slipping off when tightly holding the pliers handle, ensuring the safety of the escapee during use.

[0021] Furthermore, the hammer head is screw-connected to the pliers head, the extension plate is screw-connected to the pliers head, and the cutter head is screw-connected to the extension plate.

[0022] By adopting the above technical solution, in case of emergency, the window is likely to be deformed and unable to be opened. Cooperating with the design of the hammer head, it is convenient to break the glass for escape. The extension plate realizes the installation and fixation of the cutter head. In case of fire, the cutter head can be used to cut the soft items hindering escape, avoiding the lack of tool assistance in critical situations and ensuring the flexible use of the device.

[0023] (III) Beneficial effects

[0024] The utility model has the following beneficial effects compared with the prior art:

[0025] To solve the problem that the existing fire escape pliers use their own gravity to slide down along a specific track, so as to quickly and safely escape from the fire scene. Although the above method can assist the escape personnel to escape from the fire scene, when on a higher floor or when the laid track is relatively inclined, it is easy to have the problem of slipping and dropping the hand when the escape personnel go upstairs to grab the pliers handle and then fall. The anti-slip degree of the pliers handle is not enough, resulting in low safety when the device is used. At the same time, the device only has a sliding escape device, and various emergencies before sliding escape, such as the window cannot be opened, affect the use of the sliding function of the device and delay the escape time. The utility model through the design of the pliers handle and the handle, when the user slides down, in cooperation with the design of the handle, can effectively avoid the problem of slipping and dropping the hand when the bracket tightly holds the pliers handle, ensuring the stability of the escapee when using and the safety of the user. At the same time, in cooperation with the design of the knife head, it can cut the blocking soft items, and by borrowing the design of the hammer head, it can quickly break open the window, ensuring the practicability of the device during escape. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of a fire escape pliers according to the present utility model;

[0027] Figure 2 is a rear view of a limit rod, a clamping plate and a locking nut in a fire escape pliers according to the present utility model.

[0028] The reference numerals are explained as follows:

[0029] 1, fixing hole; 2, extension plate; 3, pliers head; 4, first pliers rod; 5, pliers handle; 6, handle; 7, rotating shaft; 8, knife head; 9, fixing groove; 10, hammer head; 11, chain; 12, mounting head; 13, rotating rod; 14, second pliers rod; 15, limit rod; 16, threaded rod; 17, locking nut; 18, anti-slip block; 19, clamping plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0031] As Figure 1 - Figure 2As shown in the figure, a fire escape clamp in this embodiment includes a rotating rod 13. One side of the rotating rod 13 is provided with a first clamping rod 4, and the other side of the rotating rod 13 is provided with a second clamping rod 14. One end of the first clamping rod 4 and the second clamping rod 14 are both connected with a clamping handle 5. The clamping handle 5 realizes the extension of the first clamping rod 4 and the second clamping rod 14, and realizes the control of the opening and closing of the clamping head 3. The first clamping rod 4 cooperates with the second clamping rod 14 to realize the separate fixation of the two parts of the clamping head 3. A handle 6 is arranged on the outer side wall of the clamping handle 5. The design of the handle 6 can effectively avoid the problem of slipping off the hand when the bracket tightly holds the clamping handle 5, ensuring the safety of the escapee during use. The top ends of the first clamping rod 4 and the second clamping rod 14 are connected with a clamping head 3. The design of the clamping head 3 realizes the use of the device on the laid track, and uses the self-gravity of the escape clamp to slide down along a specific track, so as to quickly and safely escape from the fire scene. The clamping head 3 is an opening and closing structure, which is convenient for adjustment and installation according to the situation. Two extension plates 2 are symmetrically fixed in the middle of the top end of the clamping head 3. Two cutter heads 8 are symmetrically installed at the top ends of the extension plates 2. Two hammers 10 are symmetrically installed at the upper end of one side wall of the clamping head 3. In case of emergency, the window is prone to deformation and cannot be opened. With the design of the hammers 10, it is convenient to break the glass for escape. The extension plates 2 realize the installation and fixation of the cutter heads 8. During a fire, the cutter heads 8 can be used to cut soft items that hinder escape, avoiding the lack of tool assistance in a crisis situation and ensuring the flexible use of the device.

[0032] As Figure 1 - Figure 2 shown, in this embodiment, a fixing groove 9 is opened on one side wall of one of the extension plates 2. A chain 11 is arranged in the fixing groove 9. One end of the chain 11 is connected with a mounting head 12. A fixing hole 1 is opened on one side wall of the other extension plate 2. The designs of the fixing hole 1, the fixing groove 9, the chain 11 and the mounting head 12 realize the fixing and limiting of the top end of the clamping head 3, ensuring the stability of the top end of the device during operation. A rotating shaft 7 is installed at the lower end of one of the clamping handles 5, and a threaded rod 16 is installed at the lower end of the other clamping handle 5. A limiting rod 15 is arranged on the rotating shaft 7. A clamping plate 19 is arranged at one end of the limiting rod 15. A locking nut 17 is installed on the threaded rod 16 outside the clamping plate 19. An anti-slip block 18 is fixed outside the locking nut 17. The clamping handle 5 realizes the extension of the first clamping rod 4 and the second clamping rod 14, and realizes the control of the opening and closing of the clamping head 3. The first clamping rod 4 cooperates with the second clamping rod 14 to realize the separate fixation of the two parts of the clamping head 3.

[0033] As Figure 1 - Figure 2As shown, in this embodiment, the fixing groove 9 and the fixing hole 1 are both formed on the extension plate 2. The chain 11 is screwed to the fixing groove 9 and the mounting head 12. The fixing groove 9 realizes the installation and fixation of the chain 11, and the mounting head 12 realizes the connection between the fixing holes 1. The rotating shaft 7 is screwed to the pliers handle 5, the threaded rod 16 is screwed to the pliers handle 5, and the limiting rod 15 is rotatably connected to the rotating shaft 7. The rotating shaft 7 realizes the installation of the limiting rod 15, facilitating the rotation of the limiting rod 15. The threaded rod 16 realizes the fixation of the other end of the limiting rod 15. The clamping plate 19 is welded to the limiting rod 15, the clamping plate 19 is inserted into the threaded rod 16, and the locking nut 17 is screwed onto the threaded rod 16. The design of the clamping plate 19 realizes the fixation of the position of the limiting rod 15. With the cooperation of the locking nut 17 and the anti-slip block 18 to rotate and squeeze the clamping plate 19, it can effectively prevent the two pliers handles 5 from closing, ensuring the stability of the pliers head 3 on the track.

[0034] As Figure 1 - Figure 2 shown, in this embodiment, the first pliers rod 4 and the second pliers rod 14 are both rotatably connected to the rotating rod 13. The pliers head 3 is of a two semi-circular ring structure. The pliers head 3 is welded to the first pliers rod 4 and the second pliers rod 14. The handle 6 is screwed to the pliers handle 5. The design of the pliers head 3 realizes the use of the device on the arranged track, and uses the self-weight to make the escape pliers slide down along a specific track, so as to quickly and safely escape from the fire scene. The pliers head 3 is an opening and closing structure, facilitating adjustment and installation according to the situation. The design of the handle 6 can effectively prevent the bracket from slipping off when tightly holding the pliers handle 5, ensuring the safety of the escapee during use. The hammer head 10 is screwed to the pliers head 3, the extension plate 2 is screwed to the pliers head 3, and the knife head 8 is screwed to the extension plate 2. In case of an emergency, the window is prone to deformation and cannot be opened. With the cooperation of the design of the hammer head 10, it is convenient to break the glass for escape. The extension plate 2 realizes the installation and fixation of the knife head 8. During a fire, the knife head 8 can be used to cut soft items that hinder escape, avoiding the lack of tool assistance in a crisis situation and ensuring the flexible use of the device.

[0035] The specific implementation process of this embodiment is as follows: When using the device, the pliers head 3 needs to be installed on the laid track. Open the two pliers handles 5, rotate the limit rod 15 on the rotating shaft 7, so that the clamping plate 19 of the limit rod 15 is clamped on the threaded rod 16, and rotate the locking nut 17 to fix the clamping plate 19. Then, install the mounting head 12 of the chain 11 in the fixing hole 1 to fix between the two pliers heads 3, ensuring the stable fixation of the device. The escape personnel can quickly and safely escape from the fire scene by grasping the handle 6 of the escape pliers and sliding down along the specific track by their own gravity. The design of the handle 6 can prevent the user from slipping and losing the grip during use. In case of special situations, the knife head 8 can be used to cut through soft items, or in case the window cannot be opened, the hammer head 10 can be used to break the glass, ensuring the flexibility of the device during escape.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fire escape pliers, characterized in that: The utility model comprises a rotating rod (13), a clamp rod 1 (4) is installed on one side of the rotating rod (13), a clamp rod 2 (14) is installed on the other side of the rotating rod (13), one end of the clamp rod 1 (4) and the clamp rod 2 (14) are connected to a clamp handle (5), a handle (6) is arranged on the outer wall of the clamp handle (5), the top end of the clamp rod 1 (4) and the clamp rod 2 (14) are connected to a clamp head (3), two extension plates (2) are symmetrically fixed in the middle of the top end of the clamp head (3), two knife heads (8) are symmetrically installed on the top end of the extension plate (2), and two hammer heads (10) are symmetrically installed on the upper end of one side wall of the clamp head (3).

2. A fire escape pliers according to claim 1, characterized in that: A fixing groove (9) is provided on one side wall of one of the extension plates (2), a chain (11) is arranged in the fixing groove (9), one end of the chain (11) is connected to a mounting head (12), and a fixing hole (1) is provided on one side wall of the other extension plate (2).

3. A fire escape pliers according to claim 1, characterized in that: A rotating shaft (7) is mounted on the lower end of one of the clamp handles (5), and a threaded rod (16) is mounted on the lower end of the other clamp handle (5). A limit rod (15) is arranged on the rotating shaft (7), and a clamping plate (19) is arranged on one end of the limit rod (15). A locking nut (17) is mounted on the outer side of the clamping plate (19) and located on the threaded rod (16). An anti-sliding block (18) is fixed on the outer side of the locking nut (17).

4. A fire escape pliers according to claim 2, characterized in that: The fixing groove (9) and the fixing hole (1) are both formed on the extension plate (2), and the chain (11) is connected to the fixing groove (9) and the mounting head (12) by screws.

5. The fire escape pliers according to claim 3, characterized in that: The rotating shaft (7) is connected to the clamp handle (5) by a screw, the threaded rod (16) is connected to the clamp handle (5) by a screw, and the limiting rod (15) is rotatably connected to the rotating shaft (7).

6. A fire escape pliers according to claim 3, characterized in that: The clamping plate (19) is welded to the limiting rod (15), the clamping plate (19) is plugged into the threaded rod (16), and the locking nut (17) is screwed to the threaded rod (16).

7. The fire escape pliers according to claim 1, characterized in that: The clamp rod 1 (4) and the clamp rod 2 (14) are both rotatably connected to the rotating rod (13); the clamp head (3) is a two-semicircular ring structure; the clamp head (3) is welded to the clamp rod 1 (4) and the clamp rod 2 (14); and the handle (6) is screw-connected to the clamp handle (5).

8. The fire escape pliers according to claim 1, characterized in that: The hammer head (10) is screw-connected to the pliers head (3), the extension plate (2) is screw-connected to the pliers head (3), and the cutter head (8) is screw-connected to the extension plate (2).

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