A sliding protective door suitable for railway machine tools

By designing sliding protective doors with sliding mechanisms and engaging mechanisms on railway machine tools, the problems of inconvenient operation of one-side door opening and unstable door panel closure locking are solved, and convenient operation and stable locking of door panels are achieved.

CN222716769UActive Publication Date: 2025-04-04HEBEI BAOER TECH DEV CO LTD
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Patent Information

Application Number
CN202421443577.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-04
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

When the existing sliding tunnel protective door is used on railway machine tools, the single-sided door opening operation is inconvenient to control, and it is difficult to ensure stability when the door panel is closed and locked.

Method used

A sliding protective door suitable for railway machine tools is designed, using a sliding mechanism and a engaging mechanism. The sliding mechanism uses a cylinder to drive the gear to engage and snap between the L-shaped rack and the spur rack to achieve simultaneous opening and separate control of the door panel. The engaging mechanism ensures the stable locking of the door panel when closed by the coupling of the clamp strip and the spring.

Benefits of technology

The door panel is convenient to open and control simultaneously, improving operational convenience; it ensures stable locking of the door panel when closed, improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of railway machine tool protective doors, and discloses a sliding protective door suitable for railway machine tools, including a door frame, wherein the top of the door frame is slidably connected to a locking mechanism, and the bottom of the door frame is slidably connected to a sliding mechanism; the sliding assembly includes a sliding bar, which is slidably connected to the bottom of the door frame, and there are two sliding bars, the right end of the left sliding bar is fixedly connected to a spur rack, the spur rack is slidably connected to a support rod, and the bottom of the right sliding bar is fixedly connected to an L-shaped rack. The sliding protective door suitable for railway machine tools can conveniently pull open two door panels at the same time through the provided sliding mechanism, thereby facilitating the operation of the door panels, and when it needs to be used alone, the gear can be disengaged from the meshing of the L-shaped rack and the spur rack, so that it is convenient to control it alone when only one side needs to be opened.
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Description

Technical Field

[0001] The utility model relates to the technical field of railway machine tool protection doors, in particular to a sliding protection door suitable for railway machine tools. Background Art

[0002] Sliding protective doors are a special type of door that are often used in areas that need to be moved quickly or isolated, such as hospital radiology departments, laboratories, or other environments that require protection. The design of these doors allows them to slide smoothly along the track for easy operation and maintenance. They are also used on railway machine tools.

[0003] According to a sliding tunnel protection door disclosed in announcement number CN218581455U, the sliding device includes two slide grooves, which are symmetrically opened on the surface of the tunnel wall, a pulley is slidably connected inside the slide groove, a connecting plate is fixedly installed on the surface of the pulley, two grooves are opened on the surface of the tunnel wall, and a motor is fixedly installed on the inner wall of the groove.

[0004] When the sliding tunnel protective door is used on a railway machine tool, although the two protective doors can be moved toward each other to drive the displacement plate to move toward each other inside the long groove, and the two protective doors move toward each other to cover the tunnel entrance, thereby completing the closing operation of the protective door body, it is not convenient to perform corresponding control operations when it is not necessary to open and close the two doors at the same time and only one side needs to be opened. Therefore, this solution needs to be improved. Utility Model Content

[0005] The utility model aims to provide a sliding protective door suitable for railway machine tools to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a sliding protective door suitable for railway machine tools, comprising a door frame, a clamping mechanism is slidably connected to the top of the door frame, and a sliding mechanism is slidably connected to the bottom of the door frame;

[0007] The sliding mechanism comprises a sliding assembly and a locking assembly, wherein the locking assembly is arranged on one side of the sliding assembly;

[0008] The sliding assembly includes a slide bar, which is slidably connected to the bottom of the door frame. There are two slide bars. The right end of the left slide bar is fixedly connected to a spur rack, and a support rod is slidably connected to the inside of the spur rack. The bottom of the right slide bar is fixedly connected to an L-shaped rack, and a gear is meshed between the bottom of the spur rack and the top of the L-shaped rack.

[0009] Preferably, a slide groove is provided at the bottom end of the top end of the door frame, and the surface of the lower slide bar is slidably connected to the inside of the slide groove, so that the lower slide bar can slide under the limit inside the slide groove to support the door panel when it slides.

[0010] Preferably, a sliding cavity is provided at the right end inside the spur rack, the surface of the support rod is slidably connected to the inside of the sliding cavity, and the right end of the support rod is fixedly connected to the inner wall of the right lower slide bar.

[0011] Preferably, the positioning assembly includes a cylinder, which is rotatably connected to the bottom end of the door frame, a first spring is fixedly connected to the inside of the cylinder, a rectangular bar is fixedly connected to the back end of the first spring, a back end of the rectangular bar is rotatably connected to the surface of the door frame, a slider is slidably connected to the inside of the rectangular bar, a pull bar is fixedly connected to the front end of the cylinder, a round plate column is rotatably connected to the surface of the cylinder, a socket is fixedly connected to the front near the middle of the door frame, an L-shaped insertion strip is fixedly connected to the back end of the pull strip, an L-shaped groove is provided inside the socket, one end of the L-shaped insertion strip surface is located in the L-shaped groove, and the slider surface is fixedly connected to one end inside the cylinder.

[0012] Preferably, a rectangular cavity is provided inside the cylinder, and the surface of the rectangular strip is slidably connected to the inside of the rectangular cavity, so that the rectangular strip can slide inside the rectangular cavity, thereby playing an auxiliary supporting role in clamping the L-shaped insert on the card seat.

[0013] Preferably, the locking mechanism includes an upper slide bar, which is slidably connected to the bottom end of the door frame, the bottom of the upper slide bar is fixedly connected to a door panel, the bottom of the door panel is fixedly connected to the top of the bottom slide bar, the front of the door panel is fixedly connected to a socket, the front of the socket is fixedly connected to a handle, there are two handles, the bottom end of the left handle is fixedly connected to a second spring, the bottom end of the second spring is fixedly connected to a T-rod, the top of the T-rod is fixedly connected to a connecting strip, and the right end of the connecting strip is fixedly connected to a clamping strip.

[0014] Preferably, a through hole is provided at the top of the handle, and the surface of the clamping strip is plugged into the inside of the through hole, so that the clamping strip can be clamped inside the handle to close and fix the door panel.

[0015] Compared with the prior art, the utility model provides a sliding protective door suitable for railway machine tools, which has the following beneficial effects:

[0016] 1. The sliding protective door suitable for railway machine tools, through the sliding mechanism, allows the cylinder to drive the gear to move and engage with the L-shaped rack and the spur rack at the same time. When sliding the door, the handle on one side can be pulled to drive the door panels on both sides to move at the same time, so that the two door panels can be opened at the same time, which is convenient for operating the door panels. When it needs to be used alone, the gear can be disengaged from the engagement of the L-shaped rack and the spur rack, so that when only one side of the door needs to be opened, it is convenient to control it alone.

[0017] 2. The sliding protective door suitable for railway machine tools has a locking mechanism. When the door panels are closed and locked, after the two door panels are closed, a locking strip is used to lock the top of the handle. Under the elastic action of the second spring, the locking strip can be prevented from being detached, thereby finally closing and locking the door panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a three-dimensional split cross-sectional view of the sliding assembly of the utility model;

[0021] Figure 3 This is a three-dimensional split cross-sectional view of the clamping assembly of the utility model;

[0022] Figure 4 This is a three-dimensional diagram of the clamping mechanism of the utility model;

[0023] Figure 5 This is a three-dimensional cross-sectional view of the door frame of the utility model;

[0024] Figure 6 for Figure 4 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. door frame; 2. sliding mechanism; 21. sliding assembly; 211. lower slide bar; 212. straight rack; 213. support rod; 214. gear; 215. L-shaped rack; 22. positioning assembly; 221. cylinder; 222. first spring; 223. rectangular bar; 224. slider; 225. round plate column; 226. pull bar; 227. L-shaped insert bar; 228. holder; 3. locking mechanism; 31. upper slide bar; 32. door panel; 33. socket; 34. handle; 35. second spring; 36. T-bar; 37. connecting bar; 38. clamping bar. DETAILED DESCRIPTION

[0026] 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides the following technical solutions:

[0029] Embodiment 1

[0030] Combination Figures 2 to 6 A sliding protective door suitable for railway machine tools comprises a door frame 1, a clamping mechanism 3 is slidably connected to the top of the door frame 1, and a sliding mechanism 2 is slidably connected to the bottom of the door frame 1;

[0031] The sliding mechanism 2 includes a sliding component 21 and a locking component 22, wherein the locking component 22 is disposed on one side of the sliding component 21;

[0032] The sliding assembly 21 includes a sliding bar 211, which is slidably connected to the inside of the bottom end of the door frame 1. There are two sliding bars 211. The right end of the left lower sliding bar 211 is fixedly connected to a spur rack 212, and a support rod 213 is slidably connected inside the spur rack 212. The bottom of the right lower sliding bar 211 is fixedly connected to an L-shaped rack 215, and a gear 214 is meshed and connected between the bottom of the spur rack 212 and the top of the L-shaped rack 215. A sliding groove is provided at the bottom of the top of the door frame 1, and the surface of the sliding bar 211 is slidably connected to the inside of the sliding groove, and a sliding cavity is provided at the right end of the inside of the spur rack 212. The surface of the support rod 213 is slidably connected to the inside of the sliding cavity, and the right end of the support rod 213 is fixedly connected to the inner wall of the right lower sliding bar 211.

[0033] Furthermore, the positioning assembly 22 includes a cylinder 221, which is rotatably connected to the bottom end of the door frame 1, a first spring 222 is fixedly connected to the inside of the cylinder 221, a rectangular bar 223 is fixedly connected to the back end of the first spring 222, a back end of the rectangular bar 223 is rotatably connected to the surface of the door frame 1, a slider 224 is slidably connected to the inside of the rectangular bar 223, a pull bar 226 is fixedly connected to the front end of the cylinder 221, a round plate column 225 is rotatably connected to the surface of the cylinder 221, a holder 228 is fixedly connected to the front of the door frame 1 near the middle, an L-shaped insert 227 is fixedly connected to the back end of the pull bar 226, an L-shaped groove is provided inside the holder 228, one end of the surface of the L-shaped insert 227 is located in the L-shaped groove, and the slider The surface 224 is fixedly connected to one end of the cylinder 221, and a rectangular cavity is provided inside the cylinder 221. The surface of the rectangular bar 223 is slidably connected to the inside of the rectangular cavity, so that the cylinder 221 drives the gear 214 to move and engage with the L-shaped rack 215 and the spur rack 212 at the same time. When sliding the door, the handle 34 on one side can be pulled to drive the door panels 32 on both sides to move at the same time, so that the two door panels 32 can be easily opened at the same time, thereby facilitating the operation of the door panels 32. When it needs to be used alone, the gear 214 can be disengaged from the engagement between the L-shaped rack 215 and the spur rack 212, so that when only one side of the door needs to be opened, it is convenient to control it individually.

[0034] Embodiment 2

[0035] See also Figure 1-6 On the basis of the first embodiment, the locking mechanism 3 further comprises an upper slide bar 31, which is slidably connected to the bottom end of the door frame 1, a door panel 32 is fixedly connected to the bottom of the upper slide bar 31, the bottom of the door panel 32 is fixedly connected to the top of the bottom lower slide bar 211, a socket 33 is fixedly connected to the front of the door panel 32, a handle 34 is fixedly connected to the front of the socket 33, there are two handles 34, a second spring 35 is fixedly connected to the bottom end of the left handle 34, a T-shaped rod 36 is fixedly connected to the bottom end of the second spring 35, a connecting strip 37 is fixedly connected to the top of the T-shaped rod 36, and a clamping strip 38 is fixedly connected to the right end of the connecting strip 37.

[0036] Furthermore, a through hole is opened at the top of the handle 34, and the surface of the clip 38 is inserted into the inside of the through hole. When the door panel 32 is closed and locked, after the two door panels 32 are closed, the clip 38 is inserted into the top of the handle 34, and the elastic action of the second spring 35 can prevent the clip 38 from being detached, so that the door panel 32 can be finally closed and locked.

[0037] In actual operation, when this device is used, when the protective door is used, when the two door panels 32 need to be pulled open at the same time, the pull bar 226 drives the cylinder 221 to move, and drives the slider 224 to slide inside the rectangular bar 223, and when the pull bar 226 moves, the L-shaped insert bar 227 moves to the inside of the card seat 228, so that the cylinder 221 drives the gear 214 to move and engage with the L-shaped rack 215 and the spur rack 212 at the same time, and then when the door is pushed and pulled, the handle 34 on one side can be pulled to drive the door panels 32 on both sides to move at the same time, so that the two door panels 32 can be pulled open at the same time, so that the door panels 32 can be operated conveniently, and when it needs to be used alone, the gear 214 can be disengaged from the engagement between the L-shaped rack 215 and the spur rack 212, so that it can be controlled separately;

[0038] In addition, when closing and locking the door panels 32, after the two door panels 32 are closed, the clip 38 is clipped into the top of the handle 34, and the elastic action of the second spring 35 can prevent the clip 38 from being detached, so that the door panels 32 can be finally closed and locked.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A sliding protective door suitable for a railway machine tool, comprising a door frame (1), characterized in that: The top end of the door frame (1) is internally slidably connected to a locking mechanism (3), and the bottom end of the door frame (1) is internally slidably connected to a sliding mechanism (2); The sliding mechanism (2) comprises a sliding component (21) and a locking component (22), wherein the locking component (22) is arranged on one side of the sliding component (21); The sliding assembly (21) comprises a lower slide bar (211), and the lower slide bar (211) is slidably connected to the inside of the bottom end of the door frame (1). There are two lower slide bars (211), and the right end of the left lower slide bar (211) is fixedly connected to a spur rack (212), and the spur rack (212) is slidably connected to a support rod (213) inside, and the bottom of the right lower slide bar (211) is fixedly connected to an L-shaped rack (215), and a gear (214) is meshedly connected between the bottom of the spur rack (212) and the top of the L-shaped rack (215).

2. The sliding protective door suitable for railway machine tools according to claim 1, characterized in that: A slide groove is provided at the bottom end of the top end of the door frame (1), and the surface of the lower slide bar (211) is slidably connected to the inside of the slide groove.

3. The sliding protective door suitable for railway machine tools according to claim 1, characterized in that: A sliding cavity is provided at the right end of the inner part of the spur rack (212); the surface of the support rod (213) is slidably connected to the inner part of the sliding cavity; and the right end of the support rod (213) is fixedly connected to the inner wall of the right lower slide bar (211).

4. The sliding protective door suitable for railway machine tools according to claim 1, characterized in that: The locking assembly (22) comprises a cylinder (221), the cylinder (221) is rotatably connected to the inside of the bottom end of the door frame (1), a first spring (222) is fixedly connected to the inside of the cylinder (221), a rectangular bar (223) is fixedly connected to the back end of the first spring (222), a back end of the rectangular bar (223) is rotatably connected to the surface of the door frame (1), a slider (224) is slidably connected to the inside of the rectangular bar (223), and the cylinder (221) A pull bar (226) is fixedly connected to one end of the front side, a round plate column (225) is rotatably connected to the surface of the cylinder (221), a holder (228) is fixedly connected to the front side of the door frame (1) near the middle, an L-shaped inserting bar (227) is fixedly connected to one end of the back side of the pull bar (226), an L-shaped groove is provided inside the holder (228), one end of the surface of the L-shaped inserting bar (227) is located in the L-shaped groove, and the surface of the slider (224) is fixedly connected to one end inside the cylinder (221).

5. The sliding protective door suitable for railway machine tools according to claim 4, characterized in that: A rectangular cavity is provided inside the cylinder (221), and the surface of the rectangular strip (223) is slidably connected to the inside of the rectangular cavity.

6. The sliding protective door suitable for railway machine tools according to claim 1, characterized in that: The locking mechanism (3) comprises an upper slide bar (31), the upper slide bar (31) is slidably connected to the bottom end inside the door frame (1), the bottom of the upper slide bar (31) is fixedly connected to a door panel (32), the bottom of the door panel (32) is fixedly connected to the top of the bottom lower slide bar (211), the front of the door panel (32) is fixedly connected to a socket (33), the front of the socket (33) is fixedly connected to a handle (34), there are two handles (34), the bottom end of the left handle (34) is fixedly connected to a second spring (35), the bottom end of the second spring (35) is fixedly connected to a T-shaped rod (36), the top of the T-shaped rod (36) is fixedly connected to a connecting strip (37), and the right end of the connecting strip (37) is fixedly connected to a clamping strip (38).

7. The sliding protective door suitable for railway machine tools according to claim 6, characterized in that: A through hole is provided on the top of the handle (34), and the surface of the clamping strip (38) is plugged into the inside of the through hole.

Citation Information

Patent Citations

  • Sliding type tunnel protective door

    CN218581455U