Box-type resistance furnace

By introducing a detachable pull rod and hook system and a sliding plate limiting structure into the box-type resistance furnace, the problems of inconvenient operation and safety hazards after heating are solved, and safe and efficient removal of items is achieved.

CN223663712UActive Publication Date: 2025-12-12SHANGHAI QIFENG TESTING TECH CO LTD
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Patent Information

Application Number
CN202423032639.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-12
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Box-type resistance furnaces are inconvenient for staff to operate and pose safety hazards after heating.

Method used

A box-type resistance furnace was designed. By setting detachable pull rods and hooks on the box body, the pull rods and hooks are connected to pull rings on the tray, which facilitates the tray to slide out of the inner cavity of the box. A sliding plate and limit block are set in the sliding groove to restrict the movement of the sliding plate. Combined with the rollers in the box door to support the movement of the tray, safe and convenient items can be taken out.

Benefits of technology

This technology allows items to be removed without directly inserting them into the cavity, even in high-temperature environments, improving operational efficiency and reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223663712U_ABST
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Abstract

The utility model discloses a box-type resistance furnace, and relates to the technical field of resistance furnaces, the box-type resistance furnace comprises a box body and a box door, the box door is rotatably arranged on the box body, an inner cavity is formed in the box body, a tray is slidably arranged in the inner cavity of the box body, a pull ring is fixedly arranged on the tray, and the pull ring is fixedly connected to the side, close to the box door, of the tray; a pull rod is detachably arranged on the outer side wall of the box body, and a hook is fixedly arranged at one end of the pull rod. After the box door of the box type resistance furnace is opened, the pull rod is taken down from the box body, the pull ring is pulled by the hook by moving the pull rod, the tray can be directly pulled out of the inner cavity of the box body, a worker does not need to stretch into the high-temperature inner cavity to directly push and pull the tray to take articles, operation is convenient, and potential safety hazards are reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of resistance furnace technology, in particular to a box type resistance furnace. BACKGROUND

[0002] The box type resistance furnace is an industrial furnace which uses electric current to heat the electric heating element or heating medium in the furnace to heat workpieces or materials. The resistance furnace is used for heating before metal forging and pressing, metal heat treatment heating, glass ceramic sintering and other heat treatment in the mechanical industry, and other heating purposes.

[0003] The box type resistance furnace comprises a box body and a box door, and the box door is connected to the side of the box body through a rotating shaft. After the workpiece is heated, the worker needs to directly reach into the inner cavity of the box body to take out the workpiece. However, the inner cavity of the resistance furnace is at a high temperature after heating, and the worker is not convenient to operate and there is a safety hazard. SUMMARY

[0004] In order to solve the problem that the worker is not convenient to operate and there is a safety hazard after the box type resistance furnace is heated, the present application provides a box type resistance furnace.

[0005] The box type resistance furnace provided by the present application adopts the following technical scheme:

[0006] The box type resistance furnace comprises a box body and a box door, and the box door is connected to the side of the box body through a rotating shaft. After the workpiece is heated, the worker needs to directly reach into the inner cavity of the box body to take out the workpiece. However, the inner cavity of the resistance furnace is at a high temperature after heating, and the worker is not convenient to operate and there is a safety hazard.

[0007] By adopting the above technical scheme, when the box door of the box type resistance furnace is opened, the pull rod is taken off from the box body, the hook pulls the pull ring by moving the pull rod, and the tray can be directly pulled out of the inner cavity of the box body. The worker does not need to reach into the high-temperature inner cavity to directly push and pull the tray to take out the workpiece, which is convenient to operate and reduces the safety hazard.

[0008] Preferably, a support is fixedly arranged on the outer side wall of the box body, first and second insertion holes are formed in the support, the pull rod is inserted into the first insertion hole, and the end of the hook away from the pull rod is inserted into the second insertion hole.

[0009] By adopting the above technical scheme, the pull rod is inserted into the first insertion hole, and the end of the hook is inserted into the second insertion hole, so that the hook is placed conveniently, the worker can take the pull rod and the hook in time when operating, and the working efficiency is improved.

[0010] Preferably, a support is fixedly arranged on the outer side wall of the box body, first and second insertion holes are formed in the support, the pull rod is inserted into the first insertion hole, and the end of the hook away from the pull rod is inserted into the second insertion hole.

[0011] Through the above technical scheme, the slide plates are arranged on both sides of the tray, and the slide grooves are arranged on the inner walls of the box body, so that when the tray is pushed and pulled, the slide plates drive the tray to move in parallel in the slide grooves, which facilitates the staff to push and pull the tray and improves the work efficiency.

[0012] Preferably, the first limiting block is fixedly arranged on the slide plate and located on the side of the slide plate away from the box door, the second limiting block is fixedly arranged in the slide groove and located on the side of the slide groove close to the box door, and the first limiting block and the second limiting block are located on the same horizontal plane.

[0013] Through the above technical scheme, when the slide plate moves in parallel in the slide groove, the first limiting block is driven to move, and when the first limiting block abuts against the second limiting block, the slide plate cannot continue to move, thereby avoiding the slide plate from being pulled out of the slide groove, facilitating the staff to operate safely and reducing hidden dangers.

[0014] Preferably, a plurality of second rollers are arranged on the bottom wall of the slide plate and spaced apart along the moving direction of the slide plate.

[0015] Through the above technical scheme, the plurality of second rollers are arranged on the bottom wall of the slide plate, which facilitates the slide plate to drive the tray to move, facilitates the staff to push and pull the tray, and improves the efficiency.

[0016] Preferably, the box door is rotatably connected with the box body, and the first roller is arranged on the inner wall of the box door and located on the side of the box door close to the tray, and when the box door is opened by rotation, the top of the first roller is flush with the bottom of the tray.

[0017] Through the above technical scheme, the first roller is arranged on the inner wall of the box door and supports the movement of the tray, which facilitates the staff to push and pull the tray to take the heated articles, improves the work efficiency, and reduces the safety hidden danger.

[0018] Preferably, the pull rod is a telescopic rod.

[0019] Through the above technical scheme, the pull rod is telescopic, which facilitates the staff to adjust the pull rod according to the arm length during operation, is convenient to operate, and reduces the safety hidden danger.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. After the box door of the box-type resistance furnace is opened, the pull rod is removed from the box body, the hook is pulled by the pull rod by moving the pull rod, the tray can be directly pulled out of the inner cavity of the box body, the staff does not need to stretch into the high-temperature inner cavity to directly push and pull the tray to take the articles, the operation is convenient, and the safety hidden danger is reduced.

[0022] 2. When the sliding plate moves in the sliding groove by means of the sliding plate, the first limiting block is driven to move, when the first limiting block moves and abuts against the second limiting block, the sliding plate cannot continue to move, avoiding the sliding plate from being taken out of the sliding groove, facilitating safe operation of the staff, and reducing hidden dangers;

[0023] 3. The first roller is installed on the inner wall of the box door, and the first roller supports the movement of the tray, facilitating the staff to push and pull the tray to take the heated items, improving work efficiency, and reducing safety hazards. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the box resistance furnace of the present application;

[0025] Figure 2 It is a schematic diagram of the opening state of the box resistance furnace of the present application;

[0026] Figure 3 It is an explosion view of the opening state of the box resistance furnace of the present application;

[0027] Figure 4 It is a schematic diagram of part of the structure of the box resistance furnace of the present application.

[0028] Reference signs: 1, box body; 2, box door; 3, inner cavity; 4, tray; 5, bracket; 6, pull rod; 7, hook; 8, first jack; 9, second jack; 10, second roller; 11, first roller; 12, sliding plate; 13, sliding groove; 14, first limiting block; 15, second limiting block; 16, pull ring. DETAILED DESCRIPTION

[0029] The following will be described in detail in combination with the accompanying Figures 1-4 The present application is further described in detail.

[0030] The embodiment of the present application discloses a box resistance furnace.

[0031] Referring to Figure 1 , Figure 2 and Figure 3 , a box resistance furnace comprises a box door 2 and a box body 1, the box door 2 is hingedly installed on the box body 1, and the bottom of the box door 2 is rotationally connected with the box body 1.

[0032] An inner cavity 3 is formed in the box body 1, and the inner cavity 3 is provided with an opening close to the box door 2. The tray 4 is slidingly installed in the inner cavity 3 of the box body 1, the sliding plates 12 are fixedly installed on the opposite two side walls of the tray 4, the sliding plates 12 are located close to the inner wall of the box body 1, the sliding grooves 13 are formed in the opposite two side walls of the inner cavity 3 of the box body 1, and the two sliding plates 12 are movably installed in the two sliding grooves 13.

[0033] The tray 4 is provided with a pull ring 16 in the middle of the side wall near one end of the box door 2, a support 5 is fixedly installed on the outer side wall of the box body 1 by bolts, a hook 7 is hung and installed on the support 5, the hook 7 is in a U shape, one end of the hook 7 is fixedly connected with a pull rod 6, and the pull rod 6 is arranged as a telescopic rod, so that the length of the pull rod 6 is adjustable, and it is convenient for the staff to operate.

[0034] First and second insertion holes 8 and 9 are arranged on the support 5 in a horizontal direction, one end of the hook 7 away from the pull rod 6 is inserted into the second insertion hole 9, and the pull rod 6 is inserted into the first insertion hole 8.

[0035] The first limiting block 14 is fixedly installed on the top wall of each sliding plate 12 by bolts, and is located on the side of the sliding plate 12 away from the inner wall of the box door 2. The second limiting block 15 is fixedly installed on the top wall of each sliding groove 13 of the box body 1 by bolts, and is located on the side of the sliding groove 13 close to the inner wall of the box door 2, and the first limiting block 14 is flush with the second limiting block 15.

[0036] When the tray 4 moves, the tray 4 drives the sliding plate 12 to slide in the sliding groove 13, the sliding plate 12 drives the first limiting block 14 to move, and when the first limiting block 14 moves and abuts against the second limiting block 15, the first limiting block 14 and the second limiting block 15 can limit the sliding plate 12, so as to avoid the sliding plate 12 from separating out of the sliding groove 13.

[0037] Referring to Figure 3 and Figure 4 A plurality of second rollers 10 are rotatably installed on the bottom wall of each sliding plate 12 at equal intervals along the length direction of the sliding plate 12, and the second rollers 10 roll on the bottom wall of the sliding groove 13, so as to facilitate the movement of the tray 4. A plurality of first rollers 11 are rotatably installed on the inner wall of the box door 2, and the top ends of the first rollers 11 are flush with the bottom end of the tray 4 when the box door 2 is opened.

[0038] The implementation principle of the box type resistance furnace in the embodiment is as follows: when the box type resistance furnace is completed, the box door 2 is opened, the pull rod 6 and the hook 7 are taken off from the support 5, the hook 7 is hooked on the pull ring 16, the tray 4 is pulled out of the inner cavity 3 of the box body 1 through the pull rod 6, the tray 4 drives the sliding plate 12 to slide in the sliding groove 13, and the second rollers 10 at the bottom of the sliding plate 12 facilitate the sliding plate 12 to slide out of the inner cavity 3 of the box body 1. When part of the tray 4 slides out of the inner cavity 3 of the box body 1, the first rollers 11 abut against the bottom wall of the tray 4, so as to further facilitate the sliding of the tray 4. The tray 4 moves out of the inner cavity 3 of the box body 1, so as to facilitate the staff to put the articles on the tray 4, especially when the articles are taken at high temperature, which is more convenient, improves the work efficiency, and reduces the safety hidden danger.

[0039] The above merely describes optional embodiments of the present disclosure, and is not intended to limit the present disclosure. The present disclosure can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A box resistance furnace comprising a box body (1) and a box door (2), the box door (2) being rotatably arranged on the box body (1), characterized in that: The box (1) is formed with an inner cavity (3), the box (1) is slidably arranged in the inner cavity (3), a tray (4) is fixedly arranged on the tray (4), a pull ring (16) is fixedly connected to the tray (4) near the box door (2), a pull rod (6) is detachably arranged on the outer wall of the box (1), and a hook (7) is fixedly arranged at one end of the pull rod (6).

2. A box-type resistance furnace according to claim 1, characterized in that: The box (1) is formed with an inner cavity (3), the box (1) is slidably arranged in the inner cavity (3), a tray (4) is fixedly arranged on the tray (4), a pull ring (16) is fixedly connected to the tray (4) near the box door (2), a pull rod (6) is detachably arranged on the outer wall of the box (1), and a hook (7) is fixedly arranged at one end of the pull rod (6).

3. A box-type resistance furnace according to claim 1, characterized in that: The tray (4) is fixedly provided with a sliding plate (12) on both sides, and the box (1) is provided with a sliding groove (13) on the opposite two side walls in the inner cavity (3), and the sliding plate (12) is slidably arranged in the sliding groove (13) in the horizontal direction.

4. A box resistance furnace according to claim 3, characterized in that: The sliding plate (12) is fixedly provided with a first limiting block (14), the first limiting block (14) is located on the side of the sliding plate (12) away from the box door (2), the box (1) is fixedly provided with a second limiting block (15) in the sliding groove (13), the second limiting block (15) is located on the side of the sliding groove (13) close to the box door (2), and the first limiting block (14) and the second limiting block (15) are located on the same horizontal plane.

5. A box resistance furnace according to claim 3, characterized in that: The bottom wall of the sliding plate (12) is rotatably provided with a plurality of second rollers (10) in the moving direction of the sliding plate (12).

6. A box-type resistance furnace according to claim 1, characterized in that: The box door (2) is rotatably connected with the box (1), the first roller (11) is arranged on the inner wall of the box door (2), and the first roller (11) is located on the side of the box door (2) close to the tray (4).

7. A box resistance furnace according to claim 1, characterized in that: The pull rod (6) is a telescopic rod.