CN210095115U - Lifting cabinet and travel switch assembly thereof - Google Patents
Lifting cabinet and travel switch assembly thereof Download PDFInfo
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- CN210095115U CN210095115U CN201920281370.5U CN201920281370U CN210095115U CN 210095115 U CN210095115 U CN 210095115U CN 201920281370 U CN201920281370 U CN 201920281370U CN 210095115 U CN210095115 U CN 210095115U
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Abstract
The utility model discloses a lifting cabinet and travel switch subassembly thereof, include: the special-shaped hollow pipe is provided with a limiting clamping groove along the length direction, and two ends of the special-shaped hollow pipe in the width direction are both of an opening structure. The switch unit comprises a travel plate and a pair of micro switches, the travel plate is suitable for being clamped with the limiting clamping groove, the micro switches are fixedly connected with the travel plate, and the micro switches are all arranged at one side end of the travel plate. The locking unit comprises an end cover assembled with one end of the special-shaped hollow pipe in the width direction, a tension spring arranged between the end cover and the stroke plate, and a limiting bolt in threaded connection with the end cover, wherein one end of the limiting bolt inserted into the special-shaped hollow pipe after penetrating through the end cover is suitable for being abutted against the stroke plate.
Description
Technical Field
The utility model relates to a lift cupboard technical field especially relates to a lift cabinet and travel switch subassembly thereof.
Background
In order to improve space utilization in current house, generally all can set up the wall-mounted cabinet in the wall exceeds, for example the wall-mounted cabinet of kitchen design, called cupboard again, or be the wall-mounted cabinet that is used for placing the article that the rate of utilization is not high or divide the season to use that the sitting room designed, when the fixed eminence that sets up at the wall of wall, though do not influence activity space at ordinary times, nevertheless get from the eminence and get that the thing is very hard to waste time, and set up the wall-mounted cabinet in the low place extravagant space again. At this time, a cabinet capable of being lifted is needed, which not only can save space, but also can enable users with different heights to take out articles conveniently and quickly.
To the cabinet body that can go up and down, the cabinet body is the separation with the elevation structure itself that is used for the elevating cabinet body, make both to connect through the assembly, thereby can drive the rising and the decline of the cabinet body through elevation structure, consequently to elevation structure this moment, also need independent packing at the in-process of transportation commodity circulation itself, this moment, the structure of being convenient for the dismouting of involving relates to not only can improve the convenience of commodity circulation transportation, and can be convenient for overhaul and change part spare part, it has obvious advantage to compare the elevation structure of integrative fixed knot structure. The lifting structure comprises a plurality of frames, wherein the frames are made of profiles, such as aluminum profiles, the profiles are mature, but the volume of the profiles is large, the injection molding connecting pieces are adopted at the connecting parts of the profiles under the condition of convenient assembly, the structure of the connecting pieces is adopted under the condition that the load of a cabinet is heavy, and the deformation of bolt connecting holes in the connecting pieces can occur after the structure runs for a long time, so that the problem that the connecting pieces are loosened is caused.
Secondly, to the in-process that elevation structure drove the cabinet body and goes up and down, need realize through the travel switch structure to the control of cabinet body lifting height, the travel switch subassembly that the mechanism is complicated uses inconveniently to the overall elevation structure that needs the dismouting, consequently, design simple structure just is convenient for carry out the travel switch structure of dismouting with elevation structure and just can satisfy the user demand of cubical switchboard.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a travel switch subassembly to the technical problem of the dismouting of being convenient for of solution structure.
The second purpose of the utility model is to provide a lifting cabinet to solve the convenient efficient technical problem of lifting cabinet dismouting.
The utility model discloses a travel switch subassembly is realized like this:
a travel switch assembly adapted for use with an elevator cabinet, comprising:
the special-shaped hollow pipe is provided with a limiting clamping groove along the length direction, and two ends of the special-shaped hollow pipe in the width direction are both of an open structure;
the switch unit comprises a travel plate and a pair of micro switches, the travel plate is suitable for being clamped with the limiting clamping groove, the micro switches are fixedly connected with the travel plate, and the micro switches are all arranged at one side end of the travel plate; and
the locking unit comprises an end cover assembled with one end of the special-shaped hollow pipe in the width direction, a tension spring arranged between the end cover and the stroke plate, and a limit bolt in threaded connection with the end cover, wherein the limit bolt penetrates through the end cover and then is inserted into one end of the special-shaped hollow pipe and is suitable for being abutted to the stroke plate.
In a preferred embodiment of the present invention, the special-shaped hollow tube includes a bottom plate, a pair of symmetrically disposed U-shaped plates integrally connected to the bottom plate, and a recessed area formed between the pair of U-shaped plates; the limiting clamping groove is positioned in the concave section;
a group of convex wings protruding out of the U-shaped plates are respectively arranged on the opposite side end faces of the pair of U-shaped plates, and the group of convex wings respectively positioned on the pair of U-shaped plates form the limiting clamping grooves; and
and a strip-shaped notch is formed in one side end of the limiting clamping groove, which deviates from the bottom plate, along the length direction of the limiting clamping groove.
In a preferred embodiment of the present invention, the end cap includes a flat end portion adapted to abut against an end portion in the width direction of the shaped hollow tube, and a pair of insertion portions integrally formed with the flat end portion and adapted to be inserted into the shaped hollow tube;
an accommodating section suitable for accommodating the sunken section is formed between the pair of inserting parts, and the sunken section is partially inserted into the accommodating section after the end cover is spliced with the special-shaped hollow pipe;
the insertion part is suitable for being connected with the pipe wall of the special-shaped hollow pipe through a locking nut; and
and a hook part suitable for hooking one end of the tension spring is prefabricated on the flat end part.
The utility model discloses a lifting cabinet realizes like this:
a lift cabinet comprising:
the lifting frame body and the cabinet body are suitable for being connected with the lifting frame body;
the lifting frame body comprises a fixed support, a movable middle support and a lifting driving mechanism, wherein the movable middle support is suitable for longitudinally sliding relative to the fixed support, and the lifting driving mechanism is used for driving the movable support to slide relative to the fixed support; wherein
The fixed support comprises a pair of fixed vertical beams which are oppositely arranged and a pair of fixed cross beams which are oppositely arranged and are respectively connected with the pair of fixed vertical beams; the fixed vertical beams are respectively provided with a travel switch assembly;
the movable support comprises a pair of movable cross beams which are oppositely arranged; the pair of movable cross beams are correspondingly connected with the pair of fixed vertical beams in a sliding way through the pair of slide rail assemblies; a trigger block suitable for contacting the micro switch is arranged on the movable cross beam positioned above the pair of movable cross beams; the cabinet body is connected with the pair of movable cross beams.
In a preferred embodiment of the present invention, the fixed beam includes a base portion and a pair of wing portions integrally formed at both ends of the base portion in the width direction and bent in the same direction with respect to the base portion;
the fixed vertical beam comprises a main part and a pair of wing parts which are integrally arranged on two sides of the length direction of the main part and are bent and formed in the same direction relative to the main part; an n-shaped groove is formed between the pair of wing parts and the base part;
the special-shaped hollow tube of the travel switch assembly is assembled in the n-shaped groove.
In a preferred embodiment of the present invention, the end of the movable beam in the width direction is provided with a bending portion; the bent part is in a vertical structure relative to the body of the movable cross beam;
a connecting plate for fixing the trigger block is integrally arranged on a bent part of the movable cross beam positioned above the pair of movable cross beams;
the sliding rail assembly comprises a movable sliding rail detachably connected with the bending part and a fixed sliding rail adjacent to the movable sliding rail in a sliding manner; the fixed slide rail is detachably connected with the groove wall of the n-shaped groove of the fixed vertical beam.
In a preferred embodiment of the present invention, the lifting driving mechanism includes a lifting support column disposed between a pair of fixed beams, a screw rod disposed inside the lifting support column and adapted to rotate inside the lifting support column, and a power assembly connected to the screw rod to drive the screw rod to rotate; wherein
An accommodating cavity penetrates through the interior of the lifting support column along the length direction of the lifting support column, and the screw rod is accommodated in the accommodating cavity; and
a pair of symmetrical notches are formed in the lifting support column towards two side ends of the pair of fixed vertical beams respectively along the length direction of the lifting support column; a screw nut is sleeved on the screw rod;
the nut is integrally connected with a pair of sliding tables which are respectively suitable for penetrating through the pair of notches; the pair of sliding tables are fixedly connected with the movable cross beam positioned above the pair of movable cross beams; in the process of forward and/or reverse rotation of the screw rod, the screw drives the movable transverse support to do ascending and/or descending motion along the lifting support column.
In a preferred embodiment of the present invention, the top of the lifting support column is connected to the upper fixed beam of the pair of fixed beams through an upper fixed connection seat; the screw rod penetrates through the upper fixed connecting seat and then is connected with the power assembly;
the bottom of the lifting support column is connected with a fixed cross beam positioned below the pair of fixed cross beams through a lower fixed mounting seat.
In a preferred embodiment of the present invention, the end surface of the lower fixed mount, which is away from the lower fixed beam of the pair of fixed beams, is provided with a pair of rolling bearings adapted to contact the lower movable beam of the pair of movable beams.
In a preferred embodiment of the present invention, the power assembly includes a helical gear connected to one end of the screw rod through a coupling, a worm engaged with the helical gear, and a driving motor connected to the worm;
the driving motor, the helical gear, the coupler and the worm are all accommodated in a motor shell;
the motor casing cover is suitable for being detachably connected with the fixed cross beam positioned above the pair of fixed cross beams.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a lifting cabinet and travel switch subassembly thereof, the mode that links to each other of pegging graft between dysmorphism hollow tube and the switch unit, easy dismounting the extension spring that is equipped with between end cover and the travel board can utilize the extension spring pulling force to realize the relatively fixed between end cover and the travel board. The assembly of the travel switch assembly and the lifting frame body can be realized only by connecting the whole special-shaped hollow pipe with the fixing support of the lifting frame body.
Furthermore, for the lifting frame body, the fixed cross beam and the fixed vertical beam do not need to pass through an additional connecting structure, the wing part of the fixed vertical beam is directly connected with the wing part of the fixed vertical beam through the wing part of the fixed cross beam, so that the direct connection of the sectional materials between the fixed cross beam and the fixed vertical beam can be realized, the assembly is convenient, and the stability and firmness of the use of the whole lifting frame body can be improved for the heavy cabinet body.
Drawings
Fig. 1 is a schematic view of the overall structure of the lifting frame body of the present invention in a first state;
fig. 2 is an explosion structure diagram of the lifting frame body of the utility model;
fig. 3 is a schematic view of the overall structure of the lifting frame body of the present invention in a second state;
fig. 4 is a schematic view of the overall structure of the travel switch assembly at the first viewing angle;
FIG. 5 is a schematic view of the structure of FIG. 4 in the direction A;
FIG. 6 is a schematic view of the structure of FIG. 4 in the direction B;
FIG. 7 is a schematic cross-sectional view of a shaped hollow tube;
fig. 8 is a schematic view of a partial structure of the lifting frame body of the present invention;
fig. 9 is a schematic structural view of a power assembly of the lifting frame body of the present invention;
fig. 10 is a first view structural diagram of the fitting position between the lower mounting fixing base and the lifting support pillar of the lifting frame body according to the present invention;
fig. 11 is a second view structural diagram of the fitting position between the lower mounting fixing base and the lifting support column of the lifting frame body according to the present invention;
fig. 12 is a third view structural diagram of the fitting position between the lower mounting fixing base and the lifting support column of the lifting frame body according to the present invention;
fig. 13 is a schematic view of the overall structure of the lifting cabinet of the present invention;
fig. 14 is a schematic structural view of a second viewing angle of the travel switch assembly of the present invention;
fig. 15 is a first view structural diagram of an end cap of the travel switch assembly of the present invention;
fig. 16 is a second view structural diagram of the end cap of the travel switch assembly according to the present invention.
In the figure: the special-shaped hollow tube type electric shock absorber comprises a special-shaped hollow tube 1, a limiting clamping groove 2, a stroke plate 3, a microswitch 4, a tension spring 5, a limiting bolt 6, a bottom plate 7, a U-shaped plate 8, a concave section 9, a convex fin 10, a strip-shaped notch 11, a slot 12, a flat end 13, an insertion part 14, a threaded hole, a hook part 16, a threaded hole, a cabinet body 21, a trigger block 22, a base part 23, a fin part 24, a base part 25, a wing part 26, an n-shaped groove 27, a movable cross beam 28, a bending part 29, a connecting plate 30, a movable slide rail 31, a fixed slide rail 32, a lifting support column 33, a screw rod 34, a notch 35, a nut 36, a sliding table 37, an upper fixed connecting seat 38, a lower fixed mounting seat 39, a rolling bearing 40, a.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example 1:
referring to fig. 1 to 16, the present embodiment provides a travel switch assembly suitable for a lifting cabinet, including: the special-shaped hollow pipe comprises a special-shaped hollow pipe 1, a switch unit and a locking unit.
The special-shaped hollow tube 1 is provided with a limit slot 2 along the length direction, and both ends of the special-shaped hollow tube 1 in the width direction are of open structures; the specific inner cavity of the special-shaped hollow tube 1 is a hollow structure, and the inner cavity of the hollow structure is communicated with the opening structures at the two ends in the width direction.
The switch unit comprises a travel plate 3 which is suitable for being clamped with the limiting clamping groove 2, and a pair of micro switches 4 which are fixedly connected with the travel plate 3, wherein the micro switches 4 are all arranged at one side end of the travel plate 3; here, it should be noted that the fixed connection relationship between the microswitch 4 and the fixing plate may be a bolt connection or an interference fit connection, and this embodiment is not absolutely limited. When the stroke plate 3 is inserted into the special-shaped hollow tube 1, the stroke plate 3 is inserted into the limit slot 2 from the opening structure at the end part of the special-shaped hollow tube 1 in the width direction. In order to enable the stroke plate 3 and the limiting clamping groove 2 to be not easy to loosen after being plugged, a larger gap does not exist between the stroke plate 3 and the limiting clamping groove 2, and the stroke plate and the limiting clamping groove can be in a close fit state.
The locking unit comprises an end cover assembled with one end of the special-shaped hollow pipe 1 in the width direction, a tension spring 5 arranged between the end cover and the stroke plate 3, and a limit bolt 6 in threaded connection with the end cover, wherein one end of the limit bolt 6 inserted into the special-shaped hollow pipe 1 after penetrating through the end cover is suitable for abutting against the stroke plate 3. To stroke board 3 and special-shaped hollow tube 1, the one end of stroke board 3 is fixed with special-shaped hollow tube 1, and the whole of stroke board 3 has just also been fixed for special-shaped hollow tube 1 promptly, through the grafting mode of the close-fitting of stroke board 3 and spacing draw-in groove 2, the problem that here needs to be solved is only stroke board 3 and the fixed problem of the width direction's of special-shaped hollow tube 1 tip.
Specifically, the special-shaped hollow tube 1 comprises a bottom plate 7, a pair of symmetrically arranged U-shaped plates 8 integrally connected with the bottom plate 7, and a concave section 9 formed between the pair of U-shaped plates 8; the limiting clamping groove 2 is positioned in the concave section 9;
a group of convex wings 10 protruding from the U-shaped plates 8 are respectively arranged on the opposite side end faces of the U-shaped plates 8, and the group of convex wings 10 respectively positioned on the U-shaped plates 8 form a limiting clamping groove 2; and one side end of the limiting clamping groove 2 departing from the bottom plate 7 is provided with a strip-shaped notch 11 along the length direction of the limiting clamping groove 2, and the strip-shaped notch 11 is mainly used for the microswitch 4 to stretch out of the strip-shaped notch 11 so as to sense the position of the cabinet body 21 in lifting. It should be further noted that a strip-shaped slot 12 is also formed in one side end of the limiting slot 2 facing the bottom plate 7 along the length direction of the limiting slot 2, and the strip-shaped slot 12 is mainly used for connecting one end of the tension spring 5 of the locking unit with the stroke plate 3 inserted in the limiting slot 2 after penetrating through the strip-shaped slot 12.
More specifically, the end cap includes a flat end portion 13 adapted to abut against one end portion in the width direction of the shaped hollow tube 1, and a pair of insertion portions 14 integrally formed with the flat end portion 13 and adapted to be inserted into the shaped hollow tube 1; an accommodating section suitable for accommodating the concave section 9 is formed between the pair of insertion parts 14, and after the end cover is inserted into the special-shaped hollow tube 1, the concave section 9 is partially inserted into the accommodating section. The insertion part 14 is suitable for being connected with the pipe wall of the special-shaped hollow pipe 1 through a locking nut, and therefore threaded holes 15 suitable for the locking nut to penetrate through are correspondingly formed in the insertion part 14 and the pipe wall of the special-shaped hollow pipe 1; and a hook portion 16 adapted to hook one end of the tension spring 5 is prefabricated on the flat end portion 13. Here, the hooks at the two ends of the tension spring 5 are respectively hooked on the flat end 13 of the end cover and the side end face of the stroke plate 3 away from the microswitch 4, i.e. the position between the stroke plate 3 and the end cover is fixed by fixing the tension spring 5. And the end cover is fixed with the pipe wall of the special-shaped hollow pipe 1 through the insertion part 14. And here is equipped with the screw hole 17 that is used for limit bolt 6 to pass on the flat end portion 13 of end cover, limit bolt 6's effect lies in the little adjustment of adjustment micro-gap switch 4 for the position in the special-shaped hollow tube 1, limit bolt 6 inserts the one end in the special-shaped hollow tube 1 after passing the end cover and is suitable for butt stroke board 3, and the extension spring 5 itself between stroke board 3 and the flat end portion 13 has the expansion space, so, limit bolt 6 here combines extension spring 5 can be to the adjustment in the little scope of the position between stroke board 3 and the end cover, and micro-gap switch 4 is the fixed connection relation with stroke board 3 between, so, also adjusted micro-gap switch 4's position, micro-gap switch 4's position adjustable has also improved the use precision after the elevation structure of holistic cubical switchboard is assembled.
Example 2:
referring to fig. 1 to 16, on the basis of the travel switch assembly of embodiment 1, the present embodiment provides a lifting cabinet, which includes a lifting frame body and a cabinet body 21 adapted to be connected to the lifting frame body. The lifting frame body comprises a fixed support, a movable middle support and a lifting driving mechanism, wherein the movable middle support is suitable for longitudinally sliding relative to the fixed support, and the lifting driving mechanism is used for driving the movable support to slide relative to the fixed support.
In detail, the fixed support comprises a pair of fixed vertical beams which are oppositely arranged, and a pair of fixed cross beams which are oppositely arranged and are respectively connected with the pair of fixed vertical beams; a travel switch assembly described in embodiment 1 is provided on each of the pair of fixed vertical beams. In an alternative embodiment, the pair of fixed cross members are in a vertically distributed relationship with the pair of fixed vertical beams, respectively, and optionally, the pair of fixed cross members are connected with both ends of the fixed vertical beams, respectively, so that the pair of fixed vertical beams and the pair of fixed cross members form a rectangular structure.
In further detail, the movable bracket includes a pair of movable cross members 28 disposed opposite to each other; the pair of movable cross beams 28 are correspondingly connected with the pair of fixed vertical beams in a sliding way through the pair of slide rail assemblies; a trigger block 22 suitable for contacting the micro switch 4 is arranged on the movable cross beam 28 positioned above the pair of movable cross beams 28; the cabinet 21 is connected to a pair of movable cross members 28.
In order to facilitate the disassembly and assembly of the fixed cross beam and the fixed vertical beam and avoid the need of an additional connecting joint between the fixed cross beam and the fixed vertical beam, the fixed cross beam of the embodiment comprises a base part 23 and a pair of fin parts 24 which are integrally arranged at two ends of the base part 23 in the width direction and are bent and formed in the same direction relative to the base part 23; the fixed vertical beam comprises a main part 25 and a pair of wing parts 26 which are integrally arranged at two sides of the length direction of the main part 25 and are bent and formed in the same direction relative to the main part 25; n-shaped grooves 27 are formed between the pair of wing parts 26 and the base part 25; the shaped hollow tube 1 of the travel switch assembly is fitted in the n-shaped groove 27. Here, the wing part 24 of the fixed cross beam and the wing part 26 of the fixed vertical beam are directly connected through the locking nut, so that the fixed cross beam and the fixed vertical beam can be assembled and fixed. The special-shaped hollow tube 1 can be connected with the side surface of the wing part 26 facing the n-shaped groove 27 through a nut, so that the special-shaped hollow tube 1 is convenient to disassemble and assemble.
More specifically, the movable cross member 28 has a bent portion 29 at its end in the width direction; the bending part 29 is in a vertical structure relative to the body of the movable beam 28; the bent portion 29 of the movable cross member 28 located above the pair of movable cross members 28 is integrally provided with a connecting plate 30 for fixing the trigger block 22. The pair of micro switches 4 of the travel switch assembly of the present embodiment senses the position of the cabinet 21 by sensing the trigger block 22.
The slide rail assembly comprises a movable slide rail 31 detachably connected with the bending part 29 and a fixed slide rail 32 adjacent to the movable slide rail 31 in a sliding manner, the movable slide rail 31 can slide relative to the fixed slide rail 32, and the movable slide rail 31 and the fixed slide rail 32 are of a slide rail structure widely used in the prior art; the fixed slide 32 is removably associated with the walls of the Π -shaped recess 27 of the fixed vertical beam (and the sides of the wing portions 26 facing into the Π -shaped recess 27) using, for example, but not limited to, a nut arrangement.
More specifically, the lifting driving mechanism comprises a lifting support column 33 arranged between the pair of fixed cross beams, a screw rod 34 arranged inside the lifting support column 33 and suitable for rotating inside the lifting support column 33, and a power assembly connected with the screw rod 34 to drive the screw rod 34 to rotate; a containing cavity penetrates through the interior of the lifting support column 33 along the length direction of the lifting support column 33, and the screw rod 34 is contained in the containing cavity; a pair of symmetrical notches 35 are respectively formed in the lifting support column 33 towards two side ends of the pair of fixed vertical beams along the length direction of the lifting support column 33; a screw nut 36 is sleeved on the screw rod 34; the nut 36 is integrally connected with a pair of sliding tables 37 respectively suitable for passing through the pair of notches 35; the pair of sliding tables 37 are fixedly connected with the movable cross beam 28 positioned above the pair of movable cross beams 28 in the forward and/or reverse rotation process of the screw rod 34, and the screw nut 36 drives the movable transverse support to do ascending and/or descending motion along the ascending and descending support column 33. The sliding table 37 may be directly connected to the movable cross beam 28, or may be connected to the movable cross beam 28 by another connecting structure.
The top of the lifting support column 33 is connected with the fixed cross beam above the pair of fixed cross beams through an upper fixed connection seat 38; the screw rod 34 passes through the upper fixed connecting seat 38 and then is connected with the power assembly; the bottom of the lifting support column 33 is connected to the lower one of the pair of fixed beams by a lower fixed mount 39. This allows the elevating support column 33 to be detachably assembled with the fixed bracket.
In order to avoid the resistance of the lifting support column 33 to the movable cross member 28 during the longitudinal lifting movement of the movable cross member 28 relative to the fixed cross member, the end surface of the lower fixed mount 39 remote from the lower fixed cross member of the pair of fixed cross members is optionally provided with a pair of rolling bearings 40 adapted to contact the lower movable cross member 28 of the pair of movable cross members 28, where the fixed cross member is tangential to the rolling direction of the rolling bearings 40. The rolling bearing 40 is protruded from the end face of the lifting support column 33 facing the movable beam 28, so that the movable beam 28 does not directly contact with the lifting support column 33 during lifting, but only directly contacts with the rolling bearing 40, and thus, the design of the rolling bearing 40 avoids the lifting resistance of the lifting support column 33 to the movable beam 28.
In an alternative embodiment, the power assembly adopted in the present embodiment includes a bevel gear 41 connected to one end of the screw 34 through a coupling 42, a worm 44 engaged with the bevel gear 41, and a driving motor 45 connected to the worm 44; the driving motor 45, the bevel gear 41, the coupler 42 and the worm 44 are all accommodated in a motor shell 46, so that the appearance attractiveness of the lifting frame body is improved; the motor housing 46 is adapted to be removably connected to the upper fixed beam of the pair of fixed beams. During the operation of the driving motor 45, the worm 44 rotates, and due to the meshing connection relationship between the bevel gear 41 and the worm 44, the bevel gear 41 rotates, at this time, the screw rod 34 rotates synchronously with the bevel gear 41, and the screw 36 drives the sliding table 37 to perform the lifting movement relative to the axial direction of the screw rod 34 during the rotation of the screw rod 34. In the moving process of the sliding table 37, due to the connection relationship between the sliding table 37 and the movable cross beam 28, the movable cross beam 28 makes longitudinal lifting movement relative to the screw rod 34, and the movable cross beam 28 drives the cabinet body 21 to make longitudinal lifting movement relative to the fixed support to realize the height adjustment of the cabinet body 21.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A travel switch assembly adapted for use with a lift cabinet, comprising:
the special-shaped hollow pipe is provided with a limiting clamping groove along the length direction, and two ends of the special-shaped hollow pipe in the width direction are both of an open structure;
the switch unit comprises a travel plate and a pair of micro switches, the travel plate is suitable for being clamped with the limiting clamping groove, the micro switches are fixedly connected with the travel plate, and the micro switches are all arranged at one side end of the travel plate; and
the locking unit comprises an end cover assembled with one end of the special-shaped hollow pipe in the width direction, a tension spring arranged between the end cover and the stroke plate, and a limit bolt in threaded connection with the end cover, wherein the limit bolt penetrates through the end cover and then is inserted into one end of the special-shaped hollow pipe and is suitable for being abutted to the stroke plate.
2. The travel switch assembly of claim 1, wherein the contoured hollow tube comprises a base plate, a pair of symmetrically disposed U-shaped plates integrally connected to the base plate, and a recessed region formed between the pair of U-shaped plates; the limiting clamping groove is positioned in the concave section;
a group of convex wings protruding out of the U-shaped plates are respectively arranged on the opposite side end faces of the pair of U-shaped plates, and the group of convex wings respectively positioned on the pair of U-shaped plates form the limiting clamping grooves; and
and a strip-shaped notch is formed in one side end of the limiting clamping groove, which deviates from the bottom plate, along the length direction of the limiting clamping groove.
3. The travel switch assembly of claim 2, wherein the end cap includes a flat end portion adapted to abut one end portion in a width direction of the shaped hollow tube, and a pair of insertion portions integrally formed with the flat end portion and adapted to be inserted into the shaped hollow tube;
an accommodating section suitable for accommodating the sunken section is formed between the pair of inserting parts, and the sunken section is partially inserted into the accommodating section after the end cover is spliced with the special-shaped hollow pipe;
the insertion part is suitable for being connected with the pipe wall of the special-shaped hollow pipe through a locking nut; and
and a hook part suitable for hooking one end of the tension spring is prefabricated on the flat end part.
4. A lift cabinet, comprising: the lifting frame body and the cabinet body are suitable for being connected with the lifting frame body;
the lifting frame body comprises a fixed support, a movable middle support and a lifting driving mechanism, wherein the movable middle support is suitable for longitudinally sliding relative to the fixed support, and the lifting driving mechanism is used for driving the movable support to slide relative to the fixed support; wherein
The fixed support comprises a pair of fixed vertical beams which are oppositely arranged and a pair of fixed cross beams which are oppositely arranged and are respectively connected with the pair of fixed vertical beams; a travel switch assembly according to any one of claims 1 to 3 is respectively arranged on the pair of fixed vertical beams;
the movable support comprises a pair of movable cross beams which are oppositely arranged; the pair of movable cross beams are correspondingly connected with the pair of fixed vertical beams in a sliding way through the pair of slide rail assemblies; a trigger block suitable for contacting the micro switch is arranged on the movable cross beam positioned above the pair of movable cross beams; the cabinet body is connected with the pair of movable cross beams.
5. The lift cabinet of claim 4, wherein the fixed beam includes a base and a pair of wings integrally formed at both ends of the base in a width direction and bent in a same direction with respect to the base;
the fixed vertical beam comprises a main part and a pair of wing parts which are integrally arranged on two sides of the length direction of the main part and are bent and formed in the same direction relative to the main part; an n-shaped groove is formed between the pair of wing parts and the base part;
the special-shaped hollow tube of the travel switch assembly is assembled in the n-shaped groove.
6. The lifting cabinet according to claim 5, wherein a bending part is provided at an end of the movable beam in the width direction; the bent part is in a vertical structure relative to the body of the movable cross beam;
a connecting plate for fixing the trigger block is integrally arranged on a bent part of the movable cross beam positioned above the pair of movable cross beams;
the sliding rail assembly comprises a movable sliding rail detachably connected with the bending part and a fixed sliding rail adjacent to the movable sliding rail in a sliding manner; the fixed slide rail is detachably connected with the groove wall of the n-shaped groove of the fixed vertical beam.
7. The lift cabinet of claim 4, wherein the lift drive mechanism comprises a lift support column disposed between the pair of fixed cross beams, a lead screw disposed inside the lift support column and adapted to rotate inside the lift support column, and a power assembly connected to the lead screw to drive the lead screw to rotate; wherein
An accommodating cavity penetrates through the interior of the lifting support column along the length direction of the lifting support column, and the screw rod is accommodated in the accommodating cavity; and
a pair of symmetrical notches are formed in the lifting support column towards two side ends of the pair of fixed vertical beams respectively along the length direction of the lifting support column; a screw nut is sleeved on the screw rod;
the nut is integrally connected with a pair of sliding tables which are respectively suitable for penetrating through the pair of notches; the pair of sliding tables are fixedly connected with the movable cross beam positioned above the pair of movable cross beams; in the process of forward and/or reverse rotation of the screw rod, the screw drives the movable transverse support to do ascending and/or descending motion along the lifting support column.
8. The lift cabinet of claim 7, wherein the top of the lift support column is connected to the upper fixed cross member of the pair of fixed cross members by an upper fixed connection mount; the screw rod penetrates through the upper fixed connecting seat and then is connected with the power assembly;
the bottom of the lifting support column is connected with a fixed cross beam positioned below the pair of fixed cross beams through a lower fixed mounting seat.
9. A lifting cabinet according to claim 8, characterized in that the end face of the lower fixed mounting seat remote from the lower one of the pair of fixed cross-members is provided with a pair of rolling bearings adapted to contact the lower one of the pair of movable cross-members.
10. The lifting cabinet according to any of claims 7 or 8, characterized in that the power assembly comprises a bevel gear connected with one end of the screw rod through a coupler, a worm engaged with the bevel gear, and a driving motor connected with the worm;
the driving motor, the helical gear, the coupler and the worm are all accommodated in a motor shell;
the motor casing cover is suitable for being detachably connected with the fixed cross beam positioned above the pair of fixed cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281370.5U CN210095115U (en) | 2019-03-06 | 2019-03-06 | Lifting cabinet and travel switch assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281370.5U CN210095115U (en) | 2019-03-06 | 2019-03-06 | Lifting cabinet and travel switch assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210095115U true CN210095115U (en) | 2020-02-21 |
Family
ID=69532628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920281370.5U Active CN210095115U (en) | 2019-03-06 | 2019-03-06 | Lifting cabinet and travel switch assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210095115U (en) |
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2019
- 2019-03-06 CN CN201920281370.5U patent/CN210095115U/en active Active
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