CN118367476B - Interlocking mechanism and low-voltage switch cabinet - Google Patents
Interlocking mechanism and low-voltage switch cabinet Download PDFInfo
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- CN118367476B CN118367476B CN202410453544.7A CN202410453544A CN118367476B CN 118367476 B CN118367476 B CN 118367476B CN 202410453544 A CN202410453544 A CN 202410453544A CN 118367476 B CN118367476 B CN 118367476B
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- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 28
- 230000008093 supporting effect Effects 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
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- 230000003044 adaptive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The invention discloses an interlocking mechanism and a low-voltage switch cabinet, which relate to the field of electrical equipment and comprise a cabinet body and a drawer box arranged on the cabinet body, wherein the drawer box is provided with an inserting position and a pulling-out position on the cabinet body, the cabinet body and the drawer box are connected through a self-locking mechanism, and the self-locking mechanism comprises: the lock catch assembly comprises a shaft rod unit which is rotatably arranged on the drawer box, and a clamping block unit is arranged on the shaft rod unit; the locking assembly comprises a first locking column unit which is automatically locked with the locking assembly at the pull-out position of the drawer box and a second locking column unit which is automatically locked with the locking assembly at the insertion position of the drawer box.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an interlocking mechanism and a low-voltage switch cabinet.
Background
The low-voltage switch cabinet is mainly used for a low-voltage power distribution part in an electric power system and is used for reasonably configuring a power supply, wherein the drawer-type low-voltage switch cabinet is of a common switch cabinet type, a plurality of functional units are mainly formed by certain electric elements according to a certain circuit scheme, each functional unit is installed on a cabinet body in a drawable manner like a drawer structure, when the corresponding drawer unit is pulled out, the drawer unit is separated from the corresponding electric plug-in part on the cabinet body, and the drawer unit is in a disconnected state, so that the follow-up maintenance work is facilitated.
The prior Chinese patent publication number is as follows: CN115579774B, the name of this patent is a "low pressure drawer type switch cabinet", and this patent includes "including cabinet body shell", the top fixedly connected with vibration mechanism of cabinet body shell, vibration mechanism's surface cover is equipped with the dust cover, the recess department sliding connection of dust cover lower surface has dust collecting mechanism, the spout has been seted up to cabinet body shell's inner wall, the inside sliding connection of spout has the pull drawer, cabinet body shell's inside fixedly connected with guide duct, the surface of guide duct runs through cabinet body shell and extends to the outside, the top fixedly connected with fan of guide duct, the surface fixedly connected with heat abstractor of guide duct reaches the purpose of dispelling the heat to cabinet body inside.
Corresponding interlocking mechanisms are generally arranged between the cabinet body and the drawer units of the existing drawer type low-voltage switch cabinet, so that limiting and locking of the drawer units and the cabinet body at different positions are achieved, but the existing interlocking mechanisms have the defects that only the end position of the moving stroke of the drawer units can be limited, the drawer units are not separated from the cabinet body, an operator is required to further and independently manually operate the drawer units to lock the drawer units at the positions, an automatic locking effect is not achieved, the condition that the operator forgets to manually lock the drawer units is easy to occur, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide an interlocking mechanism and a low-voltage switch cabinet, which are used for solving the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides an interlocking device, includes the cabinet body and installs the drawer box on the cabinet body, the drawer box has the position of inserting and pulls out the position on the cabinet body, be connected through self-locking mechanism between the cabinet body and the drawer box, self-locking mechanism includes:
The lock catch assembly comprises a shaft rod unit which is rotatably arranged on the drawer box, and a clamping block unit is arranged on the shaft rod unit;
The locking assembly comprises a first locking column unit which is automatically locked with the locking assembly at the drawer box pulling-out position and a second locking column unit which is automatically locked with the locking assembly at the drawer box inserting position.
Preferably, the axis of the shaft unit is parallel to the track line of the drawer box, the shaft unit has a pushing force moving toward the insertion position when the drawer box is pushed in, and the shaft unit has a pulling force moving toward the pulling position when the drawer box is pulled out.
Preferably, the clamping block unit comprises a plate block body, wherein the plate block body is provided with a linkage assembly and a clamping limiting assembly, and the clamping limiting assembly is in a locking state of being locked with the clamping locking assembly and is also in an unlocking state of being separated from the clamping locking assembly.
Preferably, the shaft lever unit comprises a shaft lever column body, a track groove is formed in the cylindrical surface of the shaft lever column body, a sliding column fixed with the cabinet body is adaptively and slidably clamped in the groove body of the track groove, and the shaft lever unit can also generate corresponding axial deflection when moving in the axial direction.
Preferably, the first lock cylinder unit and the second lock cylinder unit are of the same type, each of the first lock cylinder unit and the second lock cylinder unit comprises a cylinder, and a protruding piece matched with the clamping and limiting assembly is arranged on the cylinder.
Preferably, the cabinet body is internally fixed with a supporting plate, a concave groove for the shaft rod unit to pass through is formed in the supporting plate, and the first lock column unit is arranged at a position corresponding to the moving track line of the supporting plate and the clamping block unit.
Preferably, the linkage assembly comprises a mounting opening formed in the plate block body, a columnar block fixed with the pole column body is inserted in the mounting opening in an adaptive manner, strip wheel meshing mechanisms are arranged on two sides of the columnar block, and the strip wheel meshing mechanisms receive driving of the columnar block to control state switching of the clamping and limiting assembly.
Preferably, the clamping and limiting assembly comprises a penetrating socket formed in the plate body, a barrier strip is movably mounted in the penetrating socket, and a notch part through which the protruding piece can pass is formed in the barrier strip.
Preferably, a long strip cavity is formed in the wall surface of the penetrating hole, a connecting port communicated with the mounting hole is formed in the cavity wall of the long strip cavity, and the long strip cavity is in plug-in fit with the barrier strip.
Preferably, the interlocking mechanism is arranged on the low-voltage switch cabinet.
According to the interlocking mechanism, the locking component and the locking component are arranged, so that the drawer box can realize the automatic locking function when reaching the end position of the moving stroke, manual operation is not needed to be further carried out for locking, the situation that an operator forgets to manually lock the drawer unit is avoided, the potential safety hazard of the cabinet body during maintenance is reduced, and the overall comprehensive safety of the power distribution cabinet is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of a self-locking mechanism of an interlock mechanism of the present invention at the bottom of a drawer box;
FIG. 2 is a schematic view of the mounting of a carrier plate of an interlock mechanism in a cabinet according to the present invention;
FIG. 3 is a schematic view of a drawer cassette of an interlock mechanism of the present invention in a pulled-out position on a cabinet;
FIG. 4 is a schematic diagram of a latch unit of an interlock mechanism according to the present invention;
FIG. 5 is a schematic illustration of a cross-sectional view of a cylinder of an interlock mechanism of the present invention;
FIG. 6 is a schematic view of a latch unit of an interlock mechanism according to the present invention in a normal state;
FIG. 7 is a schematic view showing a latch unit of an interlock mechanism according to the present invention in an inverted state;
Fig. 8 is a schematic view of a bar of an interlock mechanism according to the present invention.
Reference numerals illustrate:
1. A cabinet body; 1.1, a bearing plate; 1.2, a concave groove; 2. a drawer box; 3. a latch assembly; 4. a shaft unit; 4.1, a pole body; 4.2, track grooves; 4.21, spiral grooves; 4.22, a first linear groove; 4.23, a second linear groove; 4.3, a sliding column; 5. a clamping block unit; 5.1, plate body; 5.2, a linkage assembly; 5.21, a mounting port; 5.22, columnar blocks; 5.3, a clamping and limiting assembly; 5.31, inserting holes; 5.32, a barrier strip; 5.33, notch portion; 5.34, elongated cavities; 5.35, connecting ports; 5.36, a ramp portion; 5.4, supporting the rod; 6. a latch assembly; 6.1, a first lock cylinder unit; 6.2, a second lock cylinder unit; 7. a column; 8. a projection; 8.1, prismatic bars; 8.2, a bevel portion; 8.3, inserting blind holes; 8.4, springs; 9. a bar wheel engagement mechanism; 9.1, a rack; 9.2, tooth engaging units; 9.21, shaft rod; 9.22, gears; 9.23, bevel gears; 9.24, a chute; 9.25, sliding bar blocks; 9.26, tooth flanks; 10. a handle member; 11. a stop block; 12. a clamping groove.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-8, an interlocking mechanism provided in an embodiment of the present invention includes a cabinet body 1 and a drawer box 2 mounted on the cabinet body 1, wherein the drawer box 2 has an insertion position and a pull-out position on the cabinet body 1, the cabinet body 1 and the drawer box 2 are connected by a self-locking mechanism, and the self-locking mechanism includes:
a latch assembly 3 including a shaft unit 4 rotatably installed on the drawer box 2, the shaft unit 4 being provided with a cartridge unit 5;
a locking assembly 6 comprising a first locking cylinder unit 6.1 which is automatically locked with the locking assembly 3 when the drawer box 2 is in the pulled-out position, and a second locking cylinder unit 6.2 which is automatically locked with the locking assembly 3 when the drawer box 2 is in the inserted position;
Specifically, the first lock column unit 6.1 and the second lock column unit 6.2 are both fixed with the cabinet body 1, the lock catch assembly 3 can synchronously move with the drawer box 2, in the actual use process, for example, when the drawer box 2 is pulled outwards from the cabinet body 1 to a pull-out position, the clamping block unit 5 on the lock catch assembly 3 is clamped with the corresponding first lock column unit 6.1 at this moment, so that the push-pull movement of the drawer box 2 is automatically limited, and in the same way, when the drawer box 2 is pushed inwards from the cabinet body 1 to an insertion position, the clamping block unit 5 on the lock catch assembly 3 is clamped with the corresponding second lock column unit 6.2 at this moment, so that the push-pull movement of the drawer box 2 is automatically limited, under the action of the lock catch assembly 6, the effect of automatic locking can be realized when the drawer box reaches the end-of-travel position, further automatic manual operation is not needed, the condition that an operator forgets to manually lock the drawer unit is avoided, the hidden danger of the cabinet is reduced when the cabinet is overhauled, and the overall safety of the cabinet is improved.
In another embodiment provided by the invention, the axis line of the shaft lever unit 4 is parallel to the track line of the drawer box 2, the shaft lever unit 4 has a pushing force moving towards the inserting position when the drawer box 2 is pushed in, and the shaft lever unit 4 has a pulling force moving towards the pulling position when the drawer box 2 is pulled out;
The shaft rod unit 4 comprises a shaft rod cylinder 4.1, a track groove 4.2 is formed in the cylindrical surface of the shaft rod cylinder 4.1, a sliding column 4.3 fixed with the cabinet body 1 is adaptively and slidably clamped in the groove body of the track groove 4.2, the shaft rod unit 4 can also deflect correspondingly axially when moving in the axial direction, the track groove 4.2 comprises a spiral groove 4.21, the spiral number of turns of the spiral groove 4.21 can be selected to be three-quarter turns and two-thirds turns, the initial angle of the spiral line of the spiral groove 4.21 can be selected to be 50 degrees, 60 degrees and 71 degrees, the two ends of the groove line of the spiral groove 4.21 are respectively connected with a first linear groove 4.22 and a second linear groove 4.23, and the first linear groove 4.22 and the second linear groove 4.23 are parallel to the axial lead of the shaft rod cylinder 4.1;
Further, both ends of the rod column body 4.1 extend out of both ends of the drawer box 2, and one end of the rod column body 4.1, which is close to the extending end of the drawer box 2, is rotatably provided with a handle piece 10;
In the actual use process, when the drawer box 2 needs to be pushed into the insertion position, at this time, a user applies a force to push the handle piece 10 into the cabinet body 1 towards the drawer box 2, at this time, the rod column 4.1 has a pushing force moving towards the insertion position, because the rod column 4.1 is rotatably mounted on the drawer box 2, at this time, the drawer box 2 moves towards the insertion position along with the rod column 4.1 synchronously, and in the moving process, the rod column 4.1 axially rotates under the action of the track groove 4.2 and the slide column 4.3, so that the clamping block unit 5 is driven to overturn in the moving process of the drawer box 2;
In other words, when the latch unit 5 has two states, namely, a normal state when in the pulled-out position and an inverted state when in the inserted position, the latch unit 5 can be automatically locked with the first lock cylinder unit 6.1 only when the latch unit 5 is in the normal state, and similarly, the latch unit 5 can be automatically locked with the second lock cylinder unit 6.2 only when the latch unit 5 is in the inverted state, so that the state switching of the latch unit 5 is realized during the movement of the drawer case 2 between the inserted position and the pulled-out position by providing the track groove 4.2 and the slide post 4.3, and the normal state when the latch unit 5 is docked with the first lock cylinder unit 6.1 and the inverted state when the latch unit 5 is docked with the second lock cylinder unit 6.2 are realized.
In still another embodiment of the present invention, the clamping block unit 5 includes a plate block 5.1, the plate block 5.1 is provided with a linkage assembly 5.2 and a clamping limiting assembly 5.3, a plurality of support rods 5.4 are fixedly penetrated through the plate surface of the plate block 5.1, and the clamping limiting assembly 5.3 has a locking state locked with the locking assembly 6 and an unlocking state capable of being separated from the locking assembly 6;
Further, the linkage assembly 5.2 comprises a mounting opening 5.21 formed in the plate body 5.1, a columnar block 5.22 fixed with the pole column 4.1 is inserted in the mounting opening 5.21 in an adapting manner, the axial lead of the columnar block 5.22 coincides with the axial lead of the pole column 4.1, the cross section of the columnar block 5.22 is rectangular, the column body of the columnar block 5.22 is fixedly provided with stop blocks 11 positioned at two sides of the plate body 5.1, so that the displacement range of the plate body 5.1 in the length direction of the columnar block 5.22 is limited, further, a clamping groove 12 matched with the columnar block 5.22 is formed in the mounting opening 5.21, so that the movement of the columnar block 5.22 in the transverse direction of the mounting opening 5.21 is limited, the two sides of the columnar block 5.22 are respectively provided with a bar wheel meshing mechanism 9, and the bar wheel meshing mechanism 9 receives the driving of the columnar block 5.22 to control the state switching of the clamping assembly 5.3;
The clamping and limiting assembly 5.3 comprises an inserting opening 5.31 formed in the plate body 5.1, a blocking strip 5.32 is movably mounted in the inserting opening 5.31, one side of the blocking strip 5.32 is a slope surface part 5.36, the slope bottom end of the slope surface part 5.36 is positioned at the end part of the blocking strip 5.32, the slope surface part 5.36 can be in sliding contact with the protruding piece 8, a notch part 5.33 through which the protruding piece 8 can pass is formed in the blocking strip 5.32, the clamping and limiting assembly 5.3 is in two states, namely a blocking position and an avoiding position, when the notch part 5.33 is positioned on a moving track line of the protruding piece 8, the protruding piece 8 can pass through the notch part 5.33 at the moment and pass through the blocking strip 5.32, when the notch part 5.33 is positioned at the avoiding position, the clamping and limiting assembly 5.3 is positioned at the avoiding position, the abutting joint between the clamping and limiting assembly 6 does not have a locking effect, and similarly, when the notch part 5.33 deviates from a moving track line of the protruding piece 8, the protruding piece 8 is blocked by the blocking strip 5.32, the blocking and the blocking assembly 5.3 can be in the abutting and limiting positions of the drawer assembly 2;
In the actual use process, the columnar blocks 5.22 and the rod columns 4.1 always synchronously move in the same direction, taking the drawer box 2 moving from the pull-out position to the insertion position as an example, when the drawer box 2 approaches to the insertion position, the clamping block units 5 are in an inverted state, as the drawer box 2 continues to advance, the corresponding second lock column units 6.2 are already stretched into the penetrating holes 5.31, the clamping limit assemblies 5.3 are still in the avoiding positions, the end parts of the support rods 5.4 are in contact with the wall surfaces of the back sides of the cabinet body 1, as the drawer box 2 continues to advance, namely the rod columns 4.1 are further pushed to the insertion position, at the moment, under the supporting action of the support rods 5.4, the plate block 5.1 does not move towards the insertion position any more, the columnar blocks 5.22 still move towards the insertion position, at the moment, and the relative opposite movement between the plate block 5.1 and the columnar blocks 5.22 occurs, namely the distance between the rod columns 4.1 and the plate block 5.1 is shortened, and the clamping limit wheel assemblies 5.3 are switched to the blocking position from the blocking position under the action of the bar engagement mechanism 9;
Similarly, when the drawer box 2 moves from the insertion position to the pull-out position, the column block 5.22 has a force towards the pull-out position under the action of the outward pulling of the rod column body 4.1, and the blocking limiting assembly 5.3 is in the blocking position, so that the position of the plate block 5.1 cannot move towards the pull-out position, but the blocking limiting assembly 5.3 is switched from the blocking position to the avoiding position under the action of the driving of the bar wheel meshing mechanism 9 during the movement of the column block 5.22 towards the pull-out position, so that the drawer box 2 is limited at the position, and the drawer box 2 can move towards the pull-out position.
In still another embodiment of the present invention, the first lock cylinder unit 6.1 and the second lock cylinder unit 6.2 are of the same structure, each of which includes a cylinder 7, on the cylinder 7, a protrusion 8 matched with the blocking component 5.3 is installed, specifically, the axis of the cylinder 7 after installation is parallel to the horizontal plane, the protrusion 8 may be selected to be a prism rod 8.1 on the side of the cylinder 7, further, the axis of the prism rod 8.1 is perpendicular to the axis of the cylinder 7, when the prism rod 8.1 corresponds to the strip of the blocking strip 5.32, the blocking component 5.3 is in the blocking position, and when the prism rod 8.1 corresponds to the notch 5.33 of the blocking strip 5.32, the blocking component 5.3 is in the avoiding position.
According to the invention, in a further embodiment, the extending end of the prismatic rod 8.1 is provided with the inclined surface part 8.2, the side surface of the cylinder 7 is provided with the insertion blind hole 8.3 for the adaptive insertion of the prismatic rod 8.1, the insertion blind hole 8.3 is connected with the prismatic rod 8.1 through the spring 8.4, under the normal state, the lower edge of the inclined surface part 8.2 is flush with the orifice of the insertion blind hole 8.3, the inclined surface part 8.2 can be extruded by the barrier strip 5.32 to enable the prismatic rod 8.1 to be completely retracted into the insertion blind hole 8.3, and the inclined surface part 8.2 always inclines towards the direction of opposite movement with the drawer box 2;
in actual use, as the drawer box 2 approaches the inclined surface part 8.2, when the near inclined surface part 8.2 is pushed by the barrier strip 5.32, the prism rod 8.1 is completely retracted into the insertion blind hole 8.3, so that after the barrier strip 5.32 passes over the prism rod 8.1, the prism rod 8.1 is restored to the initial extending state under the action of the spring 8.4, and the barrier strip 5.32 can not generate acting force on the inclined surface part 8.2 of the prism rod 8.1 any more, so that the blocking limiting component 5.3 at the blocking position can be limited;
that is, when the latch unit 6 is docked with the blocking assembly 5.3, no matter the blocking assembly 5.3 is in the blocking position or the avoiding position, the latch unit 6 can pass through the through-socket 5.1, and the normal movement of the board block 5.1 towards the insertion position is not affected.
According to still another embodiment of the invention, a supporting plate 1.1 is fixed in the cabinet body 1, the plate surface of the supporting plate 1.1 is vertical to the horizontal plane, the plate surface of the supporting plate 1.1 is parallel to the back side surface of the cabinet body, a concave groove 1.2 for the shaft rod unit 4 to pass through is formed in the supporting plate 1.1, the first lock column unit 6.1 is installed at a position corresponding to a moving track line of the supporting plate 1.1 and the fixture block unit 5, specifically, the first lock column unit 6.1 is installed at a position corresponding to a moving track line when the supporting plate 1.1 and the fixture block unit 5 are in a normal state, so that the supporting plate is convenient to be in butt joint with the fixture block unit 5 in the normal state, and the second lock column unit 6.3 is located at a position corresponding to the moving track line when the fixture block unit 5 is in an inverted state.
According to the invention, in a further embodiment, a strip cavity 5.34 is formed on the wall surface of the penetrating opening 5.31, a connecting opening 5.35 communicated with the mounting opening 5.21 is formed on the cavity wall of the strip cavity 5.34, the strip cavity 5.34 is in plug-in fit with a baffle strip 5.32, the strip wheel meshing mechanism 9 comprises a rack 9.1 positioned in the strip cavity 5.34, one end of the rack 9.1 is fixed with the baffle strip 5.32, the strip wheel meshing mechanism 9 further comprises tooth meshing units 9.2 which are positioned at two sides of a columnar block 5.22 and are in rotationally symmetrical distribution, the two tooth meshing units 9.2 are respectively a first tooth meshing unit and a second tooth meshing unit, the tooth meshing units 9.2 comprise a shaft rod 9.21 of which the end part extends into the strip cavity 5.34 through the connecting opening 5.35, a gear 9.22 fixed with the shaft rod 9.21 is meshed with the rack 9.1, a bevel gear 9.23 is fixed on the shaft rod 9.21, the tooth meshing units 9.2 also comprise a slide groove 9.24 positioned at the side of the columnar block 5.22 and can be meshed with the slide groove 9.25.25 in the slide groove 9.25, and the slide groove 9.25 is capable of being separated from the slide groove 9.25 in the direction of the slide groove 9.25, and the slide groove 9.25 is capable of being meshed with the slide groove 9.25;
In actual use, when the columnar block 5.22 moves axially, the slide bar 9.25 is meshed with the rack 9.1 through the gear 9.22 under the meshing transmission action of the tooth surface part 9.26 and the bevel gear 9.23, so that the corresponding position between the notch part 5.33 on the barrier bar 5.32 and the prismatic rod 8.1 is changed, and the barrier position and the avoiding position of the clamping block unit 5 are switched.
According to still another embodiment of the invention, the interlocking mechanism is arranged on the low-voltage switch cabinet, when the drawer box 2 is pulled outwards to the pulling-out position, the clamping block unit 5 is in a normal state, the clamping block unit 5 is automatically locked with the first locking column unit 6.1 at the pulling-out position, so that the position of the drawer box 2 at the pulling-out position is automatically locked, when the drawer box 2 is pushed into the inserting position from the pulling-out position, the clamping block unit 5 is in an inverted state, and the clamping block unit 5 is automatically locked with the second locking column unit 6.2 at the pulling-out position, so that the position of the drawer box 2 at the inserting position is automatically locked.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides an interlocking device, includes cabinet body (1) and installs drawer box (2) on cabinet body (1), its characterized in that, drawer box (2) have on cabinet body (1) and insert the position and pull out the position, be connected through self-locking device between cabinet body (1) and drawer box (2), self-locking device includes:
The locking assembly (3) comprises a shaft rod unit (4) rotatably installed on the drawer box (2), and a clamping block unit (5) is arranged on the shaft rod unit (4);
the locking assembly (6) comprises a first locking column unit (6.1) which is automatically locked with the locking assembly (3) at the pull-out position of the drawer box (2), and a second locking column unit (6.2) which is automatically locked with the locking assembly (3) at the insertion position of the drawer box (2);
The shaft rod unit (4) comprises a shaft rod column body (4.1), a track groove (4.2) is formed in the cylindrical surface of the shaft rod column body (4.1), a sliding column (4.3) fixed with the cabinet body (1) is adaptively and slidably clamped in the groove body of the track groove (4.2), and the shaft rod unit (4) can also generate corresponding axial deflection when moving in the axial direction;
The clamping block unit (5) comprises a plate block body (5.1), a linkage assembly (5.2) and a clamping limit assembly (5.3) are arranged on the plate block body (5.1), the clamping limit assembly (5.3) is in a locking state of being locked with the clamping lock assembly (6), and the clamping block unit is also in an unlocking state of being separated from the clamping lock assembly (6).
2. An interlocking mechanism according to claim 1, wherein the axis of the shaft unit (4) is parallel to the trajectory of the drawer box (2), the shaft unit (4) having a push-in force moving towards the insertion position when the drawer box (2) is pushed in, the shaft unit (4) having a pull-out force moving towards the pull-out position when the drawer box (2) is pulled out.
3. An interlocking mechanism according to claim 2, characterized in that the first (6.1) and second (6.2) lock cylinder units are of identical construction, each comprising a cylinder (7), the cylinder (7) being fitted with a projection (8) cooperating with a catch assembly (5.3).
4. An interlocking mechanism according to claim 3, wherein a supporting plate (1.1) is fixed in the cabinet body (1), a concave groove (1.2) for the shaft lever unit (4) to pass through is formed in the supporting plate (1.1), and the first lock cylinder unit (6.1) is installed at a position corresponding to a moving track line of the supporting plate (1.1) and the fixture block unit (5).
5. An interlocking mechanism according to claim 4, characterized in that the linkage assembly (5.2) comprises a mounting opening (5.21) formed in the plate body (5.1), a columnar block (5.22) fixed with the pole column (4.1) is inserted in the mounting opening (5.21) in a matching way, two sides of the columnar block (5.22) are provided with strip wheel meshing mechanisms (9), and the strip wheel meshing mechanisms (9) receive the driving of the columnar block (5.22) to control the state switching of the clamping assembly (5.3).
6. An interlocking mechanism according to claim 5, wherein the limiting component (5.3) comprises a penetrating opening (5.31) formed in the plate body (5.1), a blocking strip (5.32) is movably mounted in the penetrating opening (5.31), and a notch (5.33) through which the protruding piece (8) can pass is formed in the blocking strip (5.32).
7. The interlocking mechanism according to claim 6, wherein a long strip cavity (5.34) is formed on the wall surface of the penetrating hole (5.31), a connecting port (5.35) communicated with the mounting hole (5.21) is formed on the cavity wall of the long strip cavity (5.34), and the long strip cavity (5.34) is in plug-in fit with the barrier strip (5.32).
8. A low voltage switchgear comprising an interlocking mechanism as claimed in any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410453544.7A CN118367476B (en) | 2024-04-16 | 2024-04-16 | Interlocking mechanism and low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410453544.7A CN118367476B (en) | 2024-04-16 | 2024-04-16 | Interlocking mechanism and low-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
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| CN118367476A CN118367476A (en) | 2024-07-19 |
| CN118367476B true CN118367476B (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410453544.7A Active CN118367476B (en) | 2024-04-16 | 2024-04-16 | Interlocking mechanism and low-voltage switch cabinet |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5944397A (en) * | 1997-10-16 | 1999-08-31 | Saginaw Control & Engineering, Inc. | Multi-door electrical equipment enclosure with mechanical door interlock |
| CN109950904A (en) * | 2019-04-18 | 2019-06-28 | 湖南建能集团股份有限公司 | A kind of 10KV prepared auto restart is electrical and mechanical interlocks |
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| CN118367476A (en) | 2024-07-19 |
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