Adjustable elevator release rod

Abstract

The utility model discloses a prying head which comprises a telescopic rod and a prying head installed at the outer end of the telescopic rod, the telescopic rod is of a two-section structure and comprises a hollow rod and a pull rod movably inserted into the tail of the hollow rod, a positioning pin is inserted into the tail of the hollow rod in a threaded mode, the inner end of the positioning pin abuts against the pull rod, and a handle is fixed at the outer end of the pull rod. A clamping connector is machined and formed in the prying head, two sets of side plates are formed on the two sides of the clamping connector, storage grooves are machined and formed in the side plates, an adjustable clamping mechanism is further installed on the hollow rod, and the adjustable clamping mechanism comprises an adjusting cylinder, an arc-shaped pressing plate, a floating column, a reset spring, a transmission rod and a clamping block. Two groups of embedded openings are symmetrically formed in the surface of the hollow rod, a threaded groove is formed in the tail of the hollow rod, and the adjusting cylinder is arranged on the threaded groove in a threaded mode. The length of the elevator release rod can be adjusted according to needs, and clamping can be adjusted according to actual use.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator accessories, in particular to an adjustable elevator release rod. Background Art

[0002] The elevator release lever is part of the elevator safety system and is used to release the elevator in an emergency and open the elevator doors so that passengers can exit the elevator safely. It is usually a rod-shaped device located on the control panel or next to the emergency call button inside the elevator car. When an emergency occurs, such as the elevator stops at the wrong floor or a malfunction occurs, the elevator release lever can be used by passengers to initiate the elevator's emergency release procedure. Generally, the elevator release lever needs to be pulled or pushed. The specific operation method may vary depending on the elevator manufacturer. By operating the elevator release lever, passengers can trigger the elevator's emergency brake system, stop the elevator's operation, and open the elevator door at the appropriate time. In this way, passengers can exit the elevator, usually through the rescue door at the top of the elevator if they are trapped, or through the elevator door opening to the adjacent floor. The elevator release lever is an important safety device that ensures that passengers can evacuate safely in the event of an elevator malfunction or emergency. However, the use of the elevator release lever should be performed by professionally trained personnel or maintenance personnel to ensure correct operation and avoid potential risks.

[0003] However, the existing elevator release rod has the following problems during use: the pry head at the end of the release rod is usually equipped with a snap-fit ​​interface. During the process of adjusting the force applied to the release rod, the snap-fit ​​interface and the contact position of the elevator component will generate a force, which may cause the snap-fit ​​interface to be worn for a long time and thus affect the normal use of the elevator release rod. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. Utility Model Content

[0004] The utility model aims to provide an adjustable elevator release rod, which solves the technical problem that a pry head at the end of the release rod is usually equipped with a snap-fit ​​interface. During the process of adjusting the force applied to the release rod, a force is generated at the contact position between the snap-fit ​​interface and the elevator component, which may cause the snap-fit ​​interface to be worn for a long time and thus affect the normal use of the elevator release rod.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable elevator release rod, comprising a telescopic rod and a prying head installed at the outer end of the telescopic rod, the telescopic rod is a two-section structure and comprises a hollow rod and a pull rod movably inserted into the tail of the hollow rod, a positioning pin is threadedly inserted into the tail of the hollow rod, the inner end of the positioning pin abuts against the pull rod, a handle is fixed to the outer end of the pull rod, a clamping interface is machined on the prying head, two sets of side panels are formed on both sides of the clamping interface, a storage groove is machined inside the side panel, and an adjustable clamping mechanism is also installed on the hollow rod. The adjustable clamping mechanism includes an adjusting cylinder, an arc-shaped pressure plate, a floating column, a reset spring, a transmission rod and a clamping block. The surface of the hollow rod is symmetrically provided with two groups of embedded openings and the tail is processed with a threaded groove. The adjusting cylinder is threadedly arranged on the threaded groove. The arc-shaped pressure plate is divided into two groups and is symmetrically arranged in the two groups of embedded openings. The inner end of the arc-shaped pressure plate is connected to the floating column. The two groups of floating columns are both located in the hollow rod and are connected to the reset spring therebetween. The floating column is connected to the transmission rod. The end of the transmission rod is connected to the clamping block. The clamping block is located in the receiving groove.

[0006] As a preferred embodiment of the utility model, a threaded cavity is formed inside the adjusting cylinder and the overall structure is cylindrical, the inner diameter of the left end of the threaded cavity is larger than the inner diameter of the right end, and two groups of balls are symmetrically installed on the inner wall of the threaded cavity.

[0007] As a preferred embodiment of the present invention, the thickness of the left end of the arc-shaped pressure plate is greater than the thickness of the right end.

[0008] As a preferred embodiment of the present invention, the transmission rod includes a cross bar and an inclined rod fixed to the left end of the cross bar, and the inclined rod is connected to the clamping block.

[0009] As a preferred embodiment of the present invention, the clamping block is in a block-shaped structure and the inner end width is smaller than the outer end width. The inner end of the clamping block is machined to have an anti-skid groove, and the anti-skid groove is distributed in a corrugated shape.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. This solution improves the existing elevator release rod structure. An adjustable clamping mechanism is provided on the release rod. When the engaging interface of the pry head cannot be used normally due to wear, the user adjusts the clamping head inward through the adjustable clamping mechanism to ensure the fit between the engaging interface of the pry head and the contact part of the elevator component, thereby ensuring the normal use of the elevator release rod.

[0012] 2. The elevator release rod designed in this solution can be adjusted in length as needed, and can be adjusted and clamped according to actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the utility model;

[0014] Figure 2 This is the internal structure diagram of the hollow rod of the utility model;

[0015] Figure 3 This is a structural diagram of the clamping block described in the utility model.

[0016] In the figure: 1. pry head; 2. hollow rod; 3. pull rod; 4. positioning pin; 5. handle; 6. snap-fit ​​interface; 7. side panel; 8. storage slot; 9. adjustment cylinder; 10. arc-shaped pressure plate; 11. floating column; 12. return spring; 13. transmission rod; 14. clamping block; 15. embedded opening; 16. threaded groove; 17. threaded cavity; 18. ball bearing; 19. cross bar; 20. diagonal bar; 21. anti-slip groove. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: an adjustable elevator release rod, comprising a telescopic rod and a prying head 1 installed at the outer end of the telescopic rod, the telescopic rod is a two-stage structure and comprises a hollow rod 2 and a pull rod 3 movably inserted into the tail of the hollow rod 2, a positioning pin 4 is inserted into the tail of the hollow rod 2, the inner end of the positioning pin 4 conflicts with the pull rod 3, a handle 5 is fixed to the outer end of the pull rod 3, a clamping interface 6 is machined and formed on the prying head 1, two groups of side panels 7 are formed on both sides of the clamping interface 6, and a storage groove 8 is machined and formed inside the side panel 7, and an adjustable clamping mechanism is also installed on the hollow rod 2, and the adjustable clamping mechanism includes an adjusting cylinder 9, an arc-shaped The pressure plate 10, the floating column 11, the reset spring 12, the transmission rod 13 and the clamping block 14, the surface of the hollow rod 2 is symmetrically provided with two groups of embedded openings 15 and the tail is processed with a threaded groove 16, the adjusting tube 9 is threadedly arranged on the threaded groove 16, the arc-shaped pressure plate 10 is divided into two groups and is symmetrically arranged in the two groups of embedded openings 15, the inner end of the arc-shaped pressure plate 10 is connected to the floating column 11, the two groups of floating columns 11 are both located in the hollow rod 2 and are connected to the reset spring 12, the floating column 11 is connected to the transmission rod 13, the end of the transmission rod 13 is connected to the clamping block 14, and the clamping block 14 is located in the receiving groove 8.

[0019] Further improvement, such as Figure 2 As shown: a threaded cavity 17 is formed inside the adjusting cylinder 9 and the overall structure is cylindrical. The inner diameter of the left end of the threaded cavity 17 is larger than the inner diameter of the right end. Two groups of balls 18 are symmetrically installed on the inner wall of the threaded cavity 17. The position of the clamping block 14 can be adjusted by the lateral movement of the adjusting cylinder 9.

[0020] Further improvement, such as Figure 2 As shown: the thickness of the left end of the arc pressure plate 10 is greater than that of the right end. When the adjustment tube 9 rotates onto the arc pressure plate 10, the arc pressure plate 10 moves inward and drives the floating column 11 to connect the clamping block 14 to extend from the receiving groove 8, thereby achieving the clamping purpose.

[0021] Further improvement, such as Figure 2 As shown, the transmission rod 13 includes a cross bar 19 and an inclined rod 20 fixed to the left end of the cross bar 19. The inclined rod 20 is connected to the clamping block 14 to achieve the purpose of transmission and adjust the position of the clamping block 14.

[0022] Specifically, the clamping block 14 has a block-shaped structure and the inner end width is smaller than the outer end width. The inner end of the clamping block 14 is processed to have an anti-skid groove 21, and the anti-skid groove 21 is distributed in a corrugated shape. The clamping block 14 can supplement the clamping effect of the pry head 1.

[0023] During use: When the engagement interface 6 of the pry head 1 of the utility model is affected by wear and tear, the user can move the adjustment tube 9 to the left, so that the ball 18 inside the adjustment tube 9 acts on the arc pressure plate 10, and the arc pressure plate 10 drives the floating column 11 to move inward and drives the transmission rod 13 to move inward, thereby extending the clamping block 14 from the storage groove 8, thereby achieving the purpose of supplementing the clamping effect of the engagement interface 6 and ensuring the normal use of the release rod. In addition, by adjusting the position of the pull rod 3 from the hollow rod 2, the length of the release rod can be adjusted.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable elevator release lever, Features: The invention comprises a telescopic rod and a prying head (1) installed at the outer end of the telescopic rod, wherein the telescopic rod is a two-stage structure and comprises a hollow rod (2) and a pull rod (3) movably inserted into the tail of the hollow rod (2), a positioning pin (4) is threadedly inserted into the tail of the hollow rod (2), the inner end of the positioning pin (4) is in conflict with the pull rod (3), and a handle (5) is fixed to the outer end of the pull rod (3), and a clamping interface (6) is machined and formed on the prying head (1), two groups of side plates (7) are formed on both sides of the clamping interface (6), and a storage groove (8) is machined and formed inside the side plate (7), and an adjustable clamping mechanism is also installed on the hollow rod (2), and the adjustable clamping mechanism comprises an adjusting cylinder (9), an arc-shaped pressure plate (10), a floating column (11), a composite The hollow rod (2) is provided with a reset spring (12), a transmission rod (13) and a clamping block (14). The surface of the hollow rod (2) is symmetrically provided with two groups of embedded openings (15) and the tail is processed with a thread groove (16). The adjusting tube (9) is threadedly arranged on the thread groove (16). The arc pressure plate (10) is divided into two groups and symmetrically arranged in the two groups of embedded openings (15). The inner end of the arc pressure plate (10) is connected to the floating column (11). The two groups of floating columns (11) are both located in the hollow rod (2) and are connected to the reset spring (12). The floating column (11) is connected to the transmission rod (13). The end of the transmission rod (13) is connected to the clamping block (14). The clamping block (14) is located in the receiving groove (8).

2. An adjustable elevator release lever according to claim 1, Features: The adjusting cylinder (9) has a threaded cavity (17) formed inside and is in a cylindrical structure as a whole. The inner diameter of the left end of the threaded cavity (17) is larger than the inner diameter of the right end. Two groups of balls (18) are symmetrically mounted on the inner wall of the threaded cavity (17).

3. An adjustable elevator release lever according to claim 1, Features: The thickness of the left end of the arc-shaped pressure plate (10) is greater than the thickness of the right end.

4. An adjustable elevator release lever according to claim 1, Features: The transmission rod (13) comprises a cross bar (19) and an inclined rod (20) fixed to the left end of the cross bar (19), and the inclined rod (20) is connected to the clamping block (14).

5. An adjustable elevator release lever according to claim 4, Features: The clamping block (14) has a block-shaped structure and the inner end width is smaller than the outer end width. The inner end of the clamping block (14) is machined to have an anti-slip groove (21), and the anti-slip groove (21) is distributed in a corrugated shape.

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