Isolation operation mechanism of environment-friendly cabinet
By setting the middle plate and panel on the frame of the environmentally friendly cabinet isolation operation mechanism, and adjusting the support point of the output shaft to the appropriate position, the problems of vibration and sound are solved, and the operation sensitivity and large-angle action of the spring are achieved.
Patent Information
- Application Number
- CN202420354666.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The existing environmental protection cabinet isolation operating mechanism will produce large vibrations and sounds during closing operation, and the large angle rotation of the operating spindle will cause the sensitivity of the product to close.
By setting the middle plate and the panel on the frame, and supporting the upper end of the output shaft on the panel and the lower end on the middle plate, the positioning plate is positioned at the positioning column of the middle plate after closing, thereby reducing vibration and sound, and achieving high-angle action and operation sensitivity of the spring.
It greatly reduces vibration and sound, realizes the high-angle action and operation sensitivity of the spring, and improves the closing performance of the product.
Smart Images
Figure CN222562479U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of electrical equipment, and in particular relates to an isolation operating mechanism of an environmental protection cabinet. Background Art
[0002] According to the different forms of energy, the isolation operating mechanism of the environmental protection cabinet can be divided into a manual operating mechanism (CS), a motor operating mechanism (CJ), etc. Among them, the manual operating mechanism structure includes: a frame and an operating device arranged on the frame, the frame includes a bottom plate, a panel arranged above the bottom plate through a column, and the operating device includes two operating spindles arranged at intervals, an elastic energy storage mechanism arranged between the operating spindles, and an output shaft that cooperates with the operating spindles through a linkage mechanism. The elastic energy storage mechanism includes a spring guide rod and a spring arranged outside the spring guide rod. Because the operating mechanism is performing a closing operation, under the action of the spring of the elastic energy storage mechanism, the mechanism will produce large vibrations and noises. Traditionally, in order to reduce vibrations and noises, the spring angle is less than 40 degrees before it acts. At this time, the moving contact and the static contact of the operated circuit breaker are very close, which is easy to produce arcing, and the large angle rotation of the operating spindle leads to poor sensitivity of the product closing. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide an environmental protection cabinet isolation operating mechanism with small product vibration and noise and more sensitive operation.
[0004] To solve the above problems, the technical solution adopted by the utility model includes: a frame and an operating device arranged on the frame, characterized in that: the frame includes a base plate and a panel arranged above the base plate through a first column, the operating device includes two operating spindles arranged at intervals, an elastic energy storage mechanism arranged between the operating spindles and an output shaft linked with the operating spindles through a linkage mechanism, the elastic energy storage mechanism includes a spring guide rod and a spring arranged outside the spring guide rod, the two operating spindles are provided with drive components respectively connected to the two ends of the spring guide rod, the base plate is installed with a middle plate through a second column, the lower end of the output shaft is supported by the middle plate, and the upper end is supported by the panel, the lower end of the output shaft is provided with a positioning plate, the two ends of the positioning plate are provided with first positioning grooves, and the middle plate is provided with a positioning column that is positioned and matched with the first positioning groove.
[0005] The isolation operating mechanism of the environmental protection cabinet is characterized in that: the linkage mechanism includes a first drive plate, a second drive plate and a separation and combination connecting plate, the first drive plate is fixed to the operating main shaft, the second drive plate is fixed to the output shaft, one end of the separation and combination connecting plate is connected to the arc-shaped travel groove of the first drive plate through a connecting pin, and the other end of the separation and combination connecting plate is connected to the end of the second drive plate through a connecting pin.
[0006] The isolation operating mechanism of the environmental protection cabinet is characterized in that copper bushings are provided on the middle plate and the panel, and both ends of the output shaft are supported on the copper bushings through supporting steps respectively.
[0007] The environmental protection cabinet isolation operating mechanism is characterized in that: the driving assembly includes a driving plate, a third column, and a driving shaft, two driving plates are installed on the operating main shaft in a spaced manner, the third column and the driving shaft are installed between the driving plates, and the spring guide rod is connected to the driving shaft through an open shaft groove.
[0008] The environmental protection cabinet isolation operating mechanism is characterized in that a tile-shaped composite shaft sleeve is provided in the open shaft groove of the spring guide rod.
[0009] The environmental protection cabinet isolation operating mechanism is characterized in that the spring guide rod is composed of an outer spring guide rod and an inner spring guide rod which is telescopically arranged inside the outer spring guide rod.
[0010] The isolation operating mechanism of the environmental protection cabinet is characterized in that: second positioning grooves for positioning and cooperating with the first column are provided at both ends of the driving plate.
[0011] The advantages of the environmental protection cabinet isolation operating mechanism structure of the utility model are as follows: by supporting the upper end of the output shaft on the panel of the frame and the lower end on the middle plate of the frame, and after closing the switch, the positioning plate at the lower end of the output shaft will be positioned on the positioning column of the middle plate, thereby greatly reducing vibration and noise, and thus achieving large angle (such as 65°-75°) movement of the spring and sensitivity of operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0013] Figure 1 A front structural diagram of the isolation operating mechanism of the environmental protection cabinet of the utility model;
[0014] Figure 2 A schematic diagram of the back structure of the isolation operating mechanism of the environmental protection cabinet of the utility model;
[0015] Figure 3 A cross-sectional view of the isolation operating mechanism of the environmental protection cabinet of the utility model;
[0016] Figure 4 A schematic structural diagram of the elastic energy storage mechanism of the utility model. DETAILED DESCRIPTION
[0017] like Figures 1 to 4As shown, the isolation operating mechanism of the environmental protection cabinet of the utility model includes a frame 1 and an operating device 2 arranged on the frame 1. The frame 1 includes a bottom plate 3 and a panel 5 arranged above the bottom plate 3 through a first column 4. The operating device 2 includes two operating spindles 6 spaced apart between the bottom plate 3 and the panel 5, an elastic energy storage mechanism 7 arranged between the two operating spindles 6, and an output shaft 9 linked with the operating spindles 6 through a linkage mechanism 8. The elastic energy storage mechanism 7 includes a spring guide rod 10 and a spring 11 arranged outside the spring guide rod 10. The two operating spindles 6 are provided with a driving assembly 12 respectively connected to the two ends of the spring guide rod 10. The bottom plate 3 is mounted with a middle plate 14 through four second columns 13. The lower end of the output shaft 9 is supported on the middle plate 14, and the upper end of the output shaft 9 is supported on the panel 5. A positioning plate 15 is provided at the lower end of the output shaft 9. First positioning grooves 16 are provided at both ends of the positioning plate 15. A positioning column 17 is provided on the middle plate 14 to cooperate with the first positioning groove 16. When the mechanism is closed, the first positioning groove 16 of the positioning plate 15 is positioned on the positioning column 17.
[0018] Preferably, the linkage mechanism 8 includes a first drive plate 18, a second drive plate 19 and a separation and combination connecting plate 20. The first drive plate 18 is fixed to the operating spindle 6, the second drive plate 19 is fixed to the output shaft 9, one end of the separation and combination connecting plate 20 is connected to the arc travel groove 22 of the first drive plate 18 through a connecting pin 21, and the other end of the separation and combination connecting plate 20 is connected to the end of the second drive plate 19 by a connecting pin 21. After assembly, the linkage mechanism 8 forms a structure similar to an elbow joint, and the linkage between the two is achieved through operation. The above-mentioned linkage mechanism 8 has the advantages of simple structure, stability and reliability.
[0019] Preferably, copper sleeves 23 are provided on the middle plate 14 and the panel 5, and both ends of the output shaft 9 are supported on the copper sleeves 23 through support steps 24. The above structure can improve the wear resistance and stability of the support.
[0020] Preferably, the driving assembly 12 comprises a driving plate 25, a third column 26, and a driving shaft 27. Two driving plates 25 are installed on the operating spindle 6 in an interval manner, the third column 26 and the driving shaft 27 are installed between the driving plates 25, and the spring guide rod 10 is connected to the driving shaft 2 through an open shaft groove 28. The driving assembly 12 has the advantages of simple structure, stability and reliability.
[0021] Preferably, a tile-shaped composite shaft sleeve 30 is provided in the open shaft groove 28 of the spring guide rod 10 to improve the wear resistance and stability of the connection.
[0022] Preferably, the spring guide rod 10 is composed of an outer spring guide rod 101 and an inner spring guide rod 102 which is telescopically arranged in the outer spring guide rod 101. The spring guide rod 10 is made telescopic, so that the compression and reset of the spring 11 are easier.
[0023] Preferably, the two ends of the driving plate 25 are provided with second positioning grooves 29 which are positioned and matched with the first column 4. When the mechanism is closed, the second positioning grooves 29 of the driving plate 25 are positioned at the first column 4 to further improve the stability of the mechanism, thereby further reducing vibration and sound.
[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. An environmental protection cabinet isolation operating mechanism, comprising a frame (1) and an operating device (2) arranged on the frame (1), characterized in that: The frame (1) comprises a bottom plate (3), a panel (5) arranged above the bottom plate (3) via a first column (4), the operating device (2) comprises two operating spindles (6) arranged at intervals, an elastic energy storage mechanism (7) arranged between the operating spindles (6), and an output shaft (9) linked to the operating spindles (6) via a linkage mechanism (8), the elastic energy storage mechanism (7) comprising a spring guide rod (10) and a spring (11) arranged outside the spring guide rod (10), the two operating spindles (6) being arranged at intervals between the two operating spindles (6), an elastic energy storage mechanism (7) arranged between the operating spindles (6), and an output shaft (9) linked to the operating spindles (6) via a linkage mechanism (8), the elastic energy storage mechanism (7) comprising a spring guide rod (10) and a spring (11) arranged outside the spring guide rod (10), A driving assembly (12) is provided on the shaft (6) and is respectively connected to both ends of the spring guide rod (10); a middle plate (14) is installed on the bottom plate (3) via a second column (13); the lower end of the output shaft (9) is supported on the middle plate (14) and the upper end is supported on the panel (5); a positioning plate (15) is provided at the lower end of the output shaft (9); first positioning grooves (16) are provided at both ends of the positioning plate (15); and a positioning column (17) is provided on the middle plate (14) and is positioned and matched with the first positioning groove (16).
2. The environmental protection cabinet isolation operating mechanism according to claim 1, characterized in that: The linkage mechanism (8) comprises a first drive plate (18), a second drive plate (19) and a separation and connection plate (20); the first drive plate (18) is fixed to the operating spindle (6); the second drive plate (19) is fixed to the output shaft (9); one end of the separation and connection plate (20) is connected to the arc-shaped travel groove (22) of the first drive plate (18) via a connecting pin (21); and the other end of the separation and connection plate (20) is connected to the end of the second drive plate (19) via a connecting pin (21).
3. The environmental protection cabinet isolation operating mechanism according to claim 1, characterized in that: Copper shaft sleeves (23) are provided on the middle plate (14) and the face plate (5), and both ends of the output shaft (9) are supported on the copper shaft sleeves (23) via support steps (24) respectively.
4. The environmental protection cabinet isolation operating mechanism according to claim 1, characterized in that: The driving assembly (12) comprises a driving plate (25), a third column (26), and a driving shaft (27); two driving plates (25) are installed on the operating spindle (6) in an interval manner; the third column (26) and the driving shaft (27) are installed between the driving plates (25); and the spring guide rod (10) is connected to the driving shaft (27) via an open shaft groove (28).
5. The environmental protection cabinet isolation operating mechanism according to claim 4, characterized in that: A tile-shaped composite shaft sleeve (30) is provided in the open shaft groove (28) of the spring guide rod (10).
6. The environmental protection cabinet isolation operating mechanism according to claim 4, characterized in that: The spring guide rod (10) is composed of an outer spring guide rod (101) and an inner spring guide rod (102) which is telescopically arranged inside the outer spring guide rod (101).
7. The environmental protection cabinet isolation operating mechanism according to claim 4, characterized in that: Two ends of the driving plate (25) are provided with second positioning grooves (29) which are positioned to cooperate with the first upright column (4).