Multifunctional explosion-proof electric power cabinet
By introducing a double locking structure and shock-absorbing components into the power cabinet, the problems of the cabinet door being difficult to close tightly and lacking buffer in explosive environments are solved, thus achieving safety protection and equipment protection in extreme situations.
Patent Information
- Application Number
- CN202520259913.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-19
AI Technical Summary
In explosive gas or dust environments, the locking mechanism of the cabinet door is simple and difficult to keep tightly closed, leading to leakage of explosive energy. In addition, the lack of an effective buffer structure can cause damage to the structure and equipment, and even secondary injuries.
It adopts a dual locking structure and shock absorption components, including a locking component and a shock absorption component. The locking component achieves dual locking of the cabinet door through a guide rod, a threaded component and a locking block. The shock absorption component provides cushioning through a protective shell, shock absorption springs and rubber pads, forming a cavity structure to absorb the energy of an explosion.
In the event of an explosion, it effectively prevents the cabinet door from being blown open, reduces the impact of the explosion on the power cabinet, minimizes structural damage and equipment damage, protects personnel safety, and provides multiple layers of protection.
Smart Images

Figure CN223583571U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power cabinet technical field, concretely is a multifunctional explosion -proof power cabinet. BACKGROUND
[0002] Power cabinet divides power distribution cabinet and lighting distribution cabinet, measurement cabinet etc., is the last stage equipment of distribution system, and power cabinet installs switch device, measuring instrument, protective electric appliance and auxiliary equipment and numerous equipment in it. Power cabinet widely uses in each big power company, photovoltaic power plant, thermal power plant, hydroelectric power plant etc. in the country, and power cabinet is common.
[0003] The reference patent (publication number: CN220368300U; disclosure date: 2024-01-19) discloses a multifunctional explosion -proof power cabinet, including base, the upper end fixed mounting of base has the cabinet body, the left end and the right end lower part of cabinet body are provided with a plurality of heat dissipation holes, the front end of cabinet body is movably installed with cabinet door through the hinge, the upper end of cabinet body is provided with dust screen, the lower end of dust screen is fixedly installed with heat dissipation fan, the rear end upper portion and lower portion of cabinet door are provided with fixed plate, two fixed plates are jointly fixedly installed with drive mechanism, the outer surface of drive mechanism is movably installed with dust collection mechanism, the front end of cabinet door is fixedly installed with controller, the drive mechanism includes motor, the output end of motor is fixedly installed with threaded rod.
[0004] Based on the above patent, in some specific environments, such as chemical industry, mining or oil and gas exploitation, etc. places, power cabinet may face the threat of explosive gas or dust, once explosion occurs, the consequences are often extremely serious, however, the locking mechanism between the cabinet door and the power cabinet body is often relatively simple, it is difficult to keep the cabinet door closed in extreme conditions such as explosion, leading to the easy leakage of explosion energy, threatening the surrounding environment and personnel, and the power cabinet lacks effective buffer structure, when internal explosion occurs, the shock wave and vibration generated by explosion will directly act on the power cabinet shell and internal equipment, causing serious structural damage and equipment damage, and even causing secondary injury, therefore, the utility model provides a multifunctional explosion -proof power cabinet. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a multifunctional explosion -proof power cabinet, which solves the problem that the locking mechanism between the cabinet door and the power cabinet body is often relatively simple, it is difficult to keep the cabinet door closed in extreme conditions such as explosion, leading to the easy leakage of explosion energy, threatening the surrounding environment and personnel, and the power cabinet lacks effective buffer structure, when internal explosion occurs, the shock wave and vibration generated by explosion will directly act on the power cabinet shell and internal equipment, causing serious structural damage and equipment damage, and even causing secondary injury.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme to realize: a multifunctional explosion -proof power cabinet, including power cabinet main part, be provided with the protection mechanism for power cabinet equipment on the power cabinet main part, and the protection mechanism includes:
[0007] Locking assembly, the front end of the power cabinet main part is provided with the cabinet door that is rotatably connected through the rotating shaft, the inside of the cabinet door is provided with the guide rod that is connected through the drive assembly, the inside of the cabinet door is provided with the first sliding slot, the inside of the first sliding slot is provided with the connecting rod that is connected through the screw assembly, the both ends of the connecting rod are fixed with locking block, the upper end of the power cabinet main part is fixed with two groups of fixed rods, the inside of the fixed rod is provided with the clamping groove, one side of the cabinet door is provided with the installation assembly for locking,
[0008] Damping assembly, including the protection shell that the elastic assembly is connected to the inner wall of the power cabinet main part, the inner wall of the cabinet door is fixed with rubber pad.
[0009] Preferably, the drive assembly includes the hand wheel rod that is connected through the inside of the front end surface of the cabinet door, the outer wall of the hand wheel rod is fixed with the first bevel gear, the guide rod is connected through the inside in the vertical direction of the cabinet door, the guide rod is rotatably connected with the cabinet door, the one end of the guide rod close to the first bevel gear is fixed with the second bevel gear, the first bevel gear and the second bevel gear are engagedly connected.
[0010] Preferably, the screw assembly includes the screw rod that is fixed on the upper and lower ends of the guide rod, the connecting rod is located in the inside of the first sliding slot, and the connecting rod is screwly connected with the screw rod.
[0011] Preferably, the inside of the cabinet door is provided with the second sliding slot on the both sides of the first sliding slot, the locking block is located in the inside of the second sliding slot, and the locking block is slidably connected with the second sliding slot.
[0012] Preferably, the installation assembly includes the mounting block that is fixed on one side of the cabinet door, the outer wall of the mounting block is provided with the mounting groove, one side of the power cabinet main part is provided with the connecting shaft, the outer wall of the connecting shaft is rotatably connected with the mounting rod, and the center end of the mounting rod is provided with the locking bolt.
[0013] Preferably, the elastic assembly includes the damping spring that is fixedly connected to the inner wall of the power cabinet main part, the protection shell is fixedly connected to the other end of the damping spring, the inner ring of the damping spring is provided with the damping support rod, one end of the damping support rod is fixedly connected with the inner wall of the power cabinet main part, the inner wall of the power cabinet main part is provided with four groups of positioning rods, and the positioning rod is slidably connected with the protection shell.
[0014] Beneficial effects
[0015] The utility model provides a multifunctional explosion -proof power cabinet. Compared with prior art, the utility model has the following beneficial effects:
[0016] One, the utility model discloses when the screw rod is rotated, the connecting rod is lifted in the inside of the first sliding groove through the screw rod, and the locking block is lifted in the inside of the second sliding groove through the linkage of the connecting rod, ensure that when the cabinet door is closed with the power cabinet main body, the locking block and the clamping groove in the inside of the upper end fixed link of the power cabinet main body are clamped, realize the locking of the upper and lower sides of the cabinet door, then when the cabinet door is closed, the locking of the upper and lower sides of the cabinet door is locked through the locking block and the clamping groove, and the mounting block of one side of the cabinet door is attached to the side wall of the power cabinet main body, then the mounting rod is rotated downward through the connecting shaft, makes the mounting rod clamping on the mounting groove on the mounting block, finally rotates the locking bolt and connects with the power cabinet main body, realizes the locking of the opening side of the cabinet door, strengthens the structural stability between the cabinet door and the main body, forms double locking structure, can effectively prevent the cabinet door from being rushed open due to explosion pressure under extreme conditions such as explosion, thereby protecting the safety of the staff.
[0017] Second, the utility model discloses that the protective shell is arranged in the power cabinet and cooperates with the power cabinet main body to form a cavity structure, and the protective shell is subjected to certain damping and buffering effect in the inner wall of the power cabinet main body through the damping spring and the damping strut, and the rubber pad on the inner wall of the cabinet door is used to provide internal buffering effect when the interior explodes, so that a certain buffering space is provided for the interior explosion, the cavity can absorb part of explosion energy when the interior explodes, reduces the impact force of the explosion on the outside of the power cabinet, can absorb and disperse the vibration and impact generated by the explosion, reduces the damage of the explosion to the structure of the power cabinet, thereby reducing the secondary injury risk caused by the explosion, provides multiple protection for the equipment in the power cabinet, effectively isolates and alleviates the direct impact of the explosion on the internal equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is whole structure schematic diagram of the utility model;
[0019] Figure 2 It is power cabinet main body expansion structure schematic diagram of the utility model;
[0020] Figure 3 It is protective shell connecting structure schematic diagram of the utility model;
[0021] Figure 4 It is cabinet door inside connecting structure schematic diagram of the utility model.
[0022] In the figure: 1, the power cabinet main body; 2, the cabinet door; 201, the guide rod; 202, the hand wheel rod; 203, the first bevel gear; 204, the second bevel gear; 3, the screw rod; 301, the first sliding groove; 302, the connecting rod; 303, the second sliding groove; 304, the locking block; 4, the mounting block; 401, the mounting groove; 5, the rubber pad; 6, the fixed rod; 601, the clamping groove; 7, the connecting shaft; 701, the mounting rod; 702, the locking pin; 8, the damping spring; 801, the damping support rod; 802, the protective shell; 803, the positioning rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a multifunctional explosion-proof power cabinet, including power cabinet main body 1, power cabinet main body 1 is provided with the protective mechanism for power cabinet equipment, protective mechanism includes:
[0025] Locking assembly, including the front end of power cabinet main body 1 is provided with the cabinet door 2 connected by rotating shaft rotation, the inside of cabinet door 2 is provided with the guide rod 201 connected by drive assembly, the inside of cabinet door 2 is opened with first sliding groove 301, the inside of first sliding groove 301 is provided with the connecting rod 302 connected by screw component, the both ends of connecting rod 302 are fixed with locking block 304, the upper end of power cabinet main body 1 is fixed with two groups of fixed rod 6, the inside of fixed rod 6 is opened with clamping groove 601, one side of cabinet door 2 is provided with mounting assembly for locking;
[0026] Damping assembly, including the protective shell 802 connected by elastic component in the inner wall of power cabinet main body 1, the inner wall of cabinet door 2 is fixed with rubber pad 5.
[0027] In preferred embodiments, drive assembly includes the hand wheel rod 202 connected by penetrating inside front end face of cabinet door 2, the outer wall of hand wheel rod 202 is fixed with first bevel gear 203, guide rod 201 is located in the vertical direction of cabinet door 2 and is connected by penetrating inside, guide rod 201 is rotationally connected with cabinet door 2, the end of guide rod 201 close to first bevel gear 203 is fixed with second bevel gear 204, first bevel gear 203 and second bevel gear 204 are meshingly connected, the guide rod 201 provided is rotated under the drive of first bevel gear 203 and second bevel gear 204 in hand wheel rod 202, so as to drive screw rod 3 on the upper end of guide rod 201 to rotate.
[0028] In the preferred implementation, the threaded assembly includes a threaded rod 3 fixed at both ends of the guide rod 201, a connecting rod 302 located inside the first sliding groove 301, and the connecting rod 302 is in threaded connection with the threaded rod 3, the inside of the cabinet door 2 is provided with a second sliding groove 303 on both sides of the first sliding groove 301, and a locking block 304 is located inside the second sliding groove 303 and is in sliding connection with the second sliding groove 303. When the threaded rod 3 rotates, the connecting rod 302 rises and falls in the first sliding groove 301 through the threaded rod 3, and the locking block 304 rises and falls in the second sliding groove 303 through the linkage of the connecting rod 302, ensuring that when the cabinet door 2 is closed with the power cabinet body 1, the locking block 304 and the clamping groove 601 inside the upper end fixed rod 6 of the power cabinet body 1 are clamped, realizing the locking of both sides of the cabinet door 2, which can effectively prevent the cabinet door 2 from being blown open in extreme conditions such as explosion, thereby protecting the safety of personnel.
[0029] In the preferred implementation, the mounting assembly includes a mounting block 4 fixed on one side of the cabinet door 2, the outer wall of the mounting block 4 is provided with a mounting groove 401, one side of the power cabinet body 1 is provided with a connecting shaft 7, the outer wall of the connecting shaft 7 is rotatably connected with a mounting rod 701, and the center end of the mounting rod 701 is provided with a locking bolt 702. When the cabinet door 2 is closed and locked on both sides by the locking block 304 and the clamping groove 601, the mounting block 4 on one side of the cabinet door 2 is attached to the side wall of the power cabinet body 1, then the mounting rod 701 is rotated downward through the connecting shaft 7, so that the mounting rod 701 is clamped on the mounting groove 401 on the mounting block 4, and finally the locking bolt 702 is rotated to connect with the power cabinet body 1, realizing the locking of the opening side of the cabinet door 2. It provides additional locking force for the opening side of the cabinet door 2, and further enhances the explosion-proof performance.
[0030] In the preferred embodiment, the elastic assembly includes a damping spring 8 fixedly connected to the inner wall of the power cabinet body 1, a protective shell 802 fixedly connected to the other end of the damping spring 8, a damping support rod 801 provided in the inner ring of the damping spring 8, one end of the damping support rod 801 fixedly connected to the inner wall of the power cabinet body 1, four sets of positioning rods 803 provided on the inner wall of the power cabinet body 1, the positioning rods 803 in sliding connection with the protective shell 802, the protective shell 802 cooperates with the power cabinet body 1 to form a cavity structure inside the power cabinet, and the protective shell 802 is subjected to certain damping and buffering effect in the inner wall of the power cabinet body 1 through the damping spring 8 and the damping support rod 801, and the rubber pad 5 on the inner wall of the cabinet door 2 is used to provide internal buffering effect when an internal explosion occurs, thereby providing a certain buffering space for the internal explosion, absorbing part of the explosion energy when an internal explosion occurs, reducing the impact force of the explosion on the outside of the power cabinet, absorbing and dispersing the vibration and impact generated by the explosion, reducing the damage of the explosion to the structure of the power cabinet, thereby reducing the risk of secondary injury caused by the explosion, providing multiple protection for the equipment inside the power cabinet, effectively isolating and reducing the direct impact of the explosion on the internal equipment, and the protective shell 802 slides through the positioning rods 803 to ensure the stability of the protective shell 802 during buffering compression.
[0031] Meanwhile, the contents not described in detail in the specification are all prior art known to those skilled in the art.
[0032] When the cabinet door 2 is closed, the guide rod 201 is rotated under the drive of the hand wheel rod 202 through the first bevel gear 203 and the second bevel gear 204, thereby rotating the screw rod 3 at the upper end of the guide rod 201, the connecting rod 302 is lifted in the first sliding groove 301 through the screw rod 3, the locking block 304 is lifted in the second sliding groove 303 through the linkage of the connecting rod 302, and when the cabinet door 2 is closed, the locking block 304 is clamped in the clamping groove 601 in the fixed rod 6 at the upper end of the power cabinet body 1, thereby locking the upper and lower sides of the cabinet door 2, which can effectively prevent the cabinet door 2 from being blown open in extreme conditions such as explosion, and then the mounting block 4 on one side of the cabinet door 2 is attached to the side wall of the power cabinet body 1 when the upper and lower sides of the cabinet door 2 are locked through the locking block 304 and the clamping groove 601, then the mounting rod 701 is rotated downward through the connecting shaft 7, so that the mounting rod 701 is clamped in the mounting groove 401 on the mounting block 4, and finally the locking bolt 702 is connected to the power cabinet body 1, thereby locking the opening side of the cabinet door 2, providing additional locking force for the opening side of the cabinet door 2, and further enhancing the explosion-proof performance.
[0033] The protective shell 802 is arranged in the power cabinet and cooperates with the power cabinet body 1 to form a cavity structure, and the protective shell 802 is damped and buffered by the damping spring 8 and the damping support rod 801 on the inner wall of the power cabinet body 1, and the rubber pad 5 on the inner wall of the cabinet door 2 is used to provide internal buffering when the internal explosion occurs, and a certain buffering space is provided for the internal explosion, when the internal explosion occurs, the cavity can absorb part of the explosion energy, reduce the impact force of the explosion on the outside of the power cabinet, can absorb and disperse the vibration and impact generated by the explosion, reduce the damage of the explosion to the structure of the power cabinet.
[0034] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multifunctional explosion-proof power cabinet comprising a power cabinet main body (1), characterized in that: The power cabinet body (1) is provided with a protection mechanism for the power cabinet equipment, and the protection mechanism comprises: A locking assembly is arranged on the front end of the power cabinet body (1) and comprises a cabinet door (2) which is rotatably connected through a rotating shaft, an guide rod (201) which is connected through a driving assembly is arranged in the cabinet door (2), a first sliding groove (301) is arranged in the cabinet door (2), a connecting rod (302) which is connected through a screw assembly is arranged in the first sliding groove (301), lock blocks (304) are fixedly arranged at the two ends of the connecting rod (302), two groups of fixing rods (6) are fixedly arranged at the upper end of the power cabinet body (1), a clamping groove (601) is arranged in the fixing rod (6), and a mounting assembly for locking is arranged on one side of the cabinet door (2). A damping assembly comprises a protection shell (802) which is connected through an elastic assembly and is arranged on the inner wall of the power cabinet body (1), and a rubber pad (5) is fixedly arranged on the inner wall of the cabinet door (2).
2. The multifunctional explosion-proof power cabinet according to claim 1, characterized in that: The driving assembly comprises a hand wheel rod (202) which is connected through a guide rod (201) and is arranged in the cabinet door (2), a first bevel gear (203) is fixedly arranged on the outer wall of the hand wheel rod (202), the guide rod (201) is arranged in the vertical direction of the cabinet door (2) and is connected through a guide rod (201), the guide rod (201) is rotatably connected with the cabinet door (2), a second bevel gear (204) is fixedly arranged at the end of the guide rod (201) which is close to the first bevel gear (203), and the first bevel gear (203) and the second bevel gear (204) are meshingly connected.
3. The multi-functional explosion-proof power cabinet according to claim 1, characterized in that: The screw assembly comprises a screw rod (3) which is fixedly arranged at the upper and lower ends of the guide rod (201), and the connecting rod (302) is arranged in the first sliding groove (301) and is screwedly connected with the screw rod (3).
4. The multi-functional explosion-proof power cabinet according to claim 1, characterized in that: Second sliding grooves (303) are arranged in the cabinet door (2) and are located on the two sides of the first sliding groove (301), the lock blocks (304) are arranged in the second sliding grooves (303) and are slidably connected with the second sliding grooves (303).
5. The multi-functional explosion-proof power cabinet according to claim 1, characterized in that: The mounting assembly comprises a mounting block (4) which is fixedly arranged on one side of the cabinet door (2), a mounting groove (401) is arranged on the outer wall of the mounting block (4), a connecting shaft (7) is arranged on one side of the power cabinet body (1), an installation rod (701) is rotatably connected to the outer wall of the connecting shaft (7), and a locking bolt (702) is arranged at the center end of the installation rod (701).
6. The multi-functional explosion-proof power cabinet according to claim 1, characterized in that: The elastic assembly comprises a damping spring (8) which is fixedly connected to the inner wall of the power cabinet body (1), the protection shell (802) is fixedly connected to the other end of the damping spring (8), a damping support rod (801) is arranged in the inner ring of the damping spring (8), one end of the damping support rod (801) is fixedly connected to the inner wall of the power cabinet body (1), four positioning rods (803) are arranged on the inner wall of the power cabinet body (1), and the positioning rods (803) are slidably connected with the protection shell (802).
Citation Information
Patent Citations
Multifunctional explosion-proof electric power cabinet
CN220368300U