CN104863937A - Sleeve assemble structure and lifting upright - Google Patents
Sleeve assemble structure and lifting upright Download PDFInfo
- Publication number
- CN104863937A CN104863937A CN201510190416.9A CN201510190416A CN104863937A CN 104863937 A CN104863937 A CN 104863937A CN 201510190416 A CN201510190416 A CN 201510190416A CN 104863937 A CN104863937 A CN 104863937A
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- Prior art keywords
- sleeve pipe
- sleeve
- slide block
- pipe
- motor
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- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 208000005168 Intussusception Diseases 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a sleeve assemble structure convenient for assembly. The structure comprises a first sleeve, a second sleeve, a first sliding block and a second sliding block, wherein the second sleeve is sleeved by the first sleeve; space is formed between the inner wall of the first sleeve and the outer wall of the second sleeve; the first sliding block sleeves the second sleeve and is fixedly connected with the first sleeve; the second sliding block is arranged between the first sleeve and the second sleeve and is fixed relative to the axial direction of the second sleeve; the second sliding block is matched with the first sleeve in a sliding manner; grooves are formed in the inner wall of the first sleeve; connecting parts are arranged on the first sliding block; clamping parts clamped in the grooves are arranged on the connecting parts; one sides, towards the first sleeve, of the clamping parts are inclined faces; hole-groove structures are arranged on the outer wall of the second sleeve; when the first sliding block slides along the second sleeve to the hole-groove structures, all the connecting parts correspond to the hole-groove structures. The invention also discloses a lifting upright adopting the sleeve assemble structure.
Description
Technical field
The present invention relates to a kind of lifting column, be specifically related to a kind of sleeve-assembled structure and adopt the lifting column of this sleeve-assembled structure.
Background technique
Lifting column is widely used on bed, chair, article that desk equal altitudes is adjustable, and main function is flexible movement load being made straight line by self.
Existing lifting column generally all has the sleeve pipe of some mutual intussusceptions, and lifting column drives mutual movement between sleeve pipe to realize the flexible of lifting column by transmission device.Such as publication number is that the Chinese patent of CN104254264A discloses a kind of lifting column be preferably for Height Adjustable table, this lifting column forms primarily of guide, mandrel unit and motor unit, its guide be exactly by first component, second component, the 3rd parts totally three parts each other intussusception form, motor unit mainly provides power, mandrel unit (being equivalent to transmission device) connect guide and motor unit with by the transmission of power of motor unit to guide and then realize driving guide to stretch.And the Chinese patent that Authorization Notice No. is CN203095510U discloses a kind of lifting column, the guide of this lifting column is then formed by outer tube and interior pipe two parts intussusceptions.But be no matter formed by two parts intussusceptions or by three parts or more parts each other intussusception form, adjacent two parts will certainly produce friction in the process of relative sliding.For reducing friction, therefore just need between adjacent two parts, to arrange slide block so that adjacent two parts relative slidings.
And in prior art, between adjacent two parts, two groups of slide blocks are generally set, one group of slide block is fixedly connected with parts outside, another organizes slide block and be fixedly connected with at interior parts, slide block is fixedly connected with mode and generally adopts and punch on parts with parts outside, so just cause parts outside occurring eyelet impact is attractive in appearance.And generally need mounting base due to the bottom of lifting column, so that transmission device and motor unit are installed on base, to be fixed on base in interior parts one end, like this after installing slide block at interior parts one end mounting base, the other end sidewall, the parts existed outside are difficult to the problem of installing.
In addition, in existing lifting column, be generally connect with transferring power by worm and gear between transmission device and motor unit (being generally motor), the means of fixation of motor unit, exists that cost is high, complex structure, is inconvenient to technical problems such as assembling.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sleeve-assembled structure being convenient to assemble.
Another object of the present invention is to provide a kind of lifting column adopting this sleeve-assembled structure.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: sleeve-assembled structure, comprise the first sleeve pipe, second sleeve pipe, first slide block and the second slide block, described second casing pipe sleeve is located in the first sleeve pipe, spacing is had between the inwall of described first sleeve pipe and the outer wall of the second sleeve pipe, described first slide block is ring structure, described first slide block set is located on the second sleeve pipe and also can be slided along the second sleeve pipe axial reciprocating, described first sleeve pipe is fixedly connected with the first slide block, described second slide block is located between the first sleeve pipe and the second sleeve pipe, the axial restraint of relative second sleeve pipe of described second slide block, described second slide block and the first sleeve pipe are slidably matched, described first set inner tube wall is provided with groove, the described first slide block axial direction be provided with towards the side of the second slide block along the first sleeve pipe extends to the joint at groove position place, described joint is provided with the screens portion sticked in groove, described first slide block is sticked in groove by screens portion and realizes being fixedly connected with the first sleeve pipe, described screens portion has plane of inclination towards the side of the first sleeve pipe, or be provided with plane of inclination between one end internal face of the first sleeve pipe and this end end face, axially increasing gradually from joint described plane of inclination to the direction that the first slide block is close to the distance of the second sleeve pipe along the first sleeve pipe, described second sleeve outer wall is provided with hole slot structure, and when described first slide block is positioned at hole slot structure place, described joint is corresponding with hole slot locations of structures.
In the present invention, the first slide block be positioned at hole slot structure place and joint is corresponding with hole slot locations of structures time, joint can bend towards in hole slot structure under external force.This sleeve structure is when assembling: be first installed on the second sleeve pipe by the first slide block and the second slide block, make the position of joint on the first slide block corresponding with the position of hole slot structure on the second sleeve pipe, again by first set pipe box to the second sleeve pipe and the end that is inserted in of the first sleeve pipe is all positioned at the same side of the first slide block with joint, and then the first sleeve pipe is moved relative to making the second sleeve pipe, the first sleeve pipe moved to the first slide block position make the joint on joint to enter in the first sleeve pipe and finally make the screens portion on joint stick in hole slot structure.
As preferably, described hole slot structure is the some mounting holes be located on the second sleeve side walls, and the quantity of described mounting hole is equal with the quantity of joint, the position of described mounting hole and the position one_to_one corresponding of joint.
As preferably, described groove is around the first set inner tube wall annular groove of a week.
As preferably, described second slide block is some long strip slide blocks around being distributed in the second its vicinity, and described second sleeve pipe is equipped with jack at correspondence each long strip slide block position place, and described long strip slide block is provided with the inserting pin stretched in jack.
Simultaneously, present invention also offers a kind of lifting column, comprise base, described base is provided with guide, described guide is socketed to form mutually by least two sleeve pipes, described guide realizes flexible by the relative sliding between adjacent casing, described base being provided with the transmission device for driving guide flexible, having at least between two adjacent casings and adopting aforesaid sleeve structure in described guide.
As preferably, described sleeve structure is made up of interior pipe, middle pipe, outer tube, and described interior pipe is fixedly connected with base, and described middle pipe box is located at outside interior pipe, described outer tube sleeve is located at outside middle pipe, all adopts aforesaid sleeve structure between described middle pipe and interior pipe and between described outer tube and middle pipe.
As preferably, described transmission device comprises and is located at worm gear in base and motor, the output terminal of described motor is provided with worm screw, described worm and wheel engagement, described base comprises end box and bottom, and described motor is placed in end box, and on described bottom, corresponding motor two side position is provided with limiting stopper, described bottom is connected to end box, motor described in described limiting stopper lateral Displacement.
As preferably, described limiting stopper is provided with elastic cushion block, and described elastic cushion block is closely attached on motor side.
As preferably, described elastic cushion block is provided with groove, and described limiting stopper inserts groove and fixes elastic cushion block.
As preferably, described bottom sidewall is provided with trip, and box sidewall of the described end is provided with positioning hole, described trip fastens to positioning hole inner position bottom, described trip top is provided with inclined-plane, and described motor front end is provided with auxiliary briquetting, and described bottom is by auxiliary briquetting clamping motor front end.
Beneficial effect:
After the present invention adopts technique scheme, the first slide block is sticked in the groove of first set inner tube wall by the screens portion on joint and realizes being fixedly connected with the first sleeve pipe, without the need to realizing the first slide block and the first sleeve pipe is fixed by punching at the first sleeve side walls; By arranging hole slot structure on the second sleeve outer wall, coordinated the assembling realizing sleeve structure with joint by hole slot structure, even if also can assemble easily and fast when miscellaneous part is installed in the second sleeve upper end portion.
Accompanying drawing explanation
Fig. 1 be in the embodiment of the present invention one first sleeve pipe be connected with the first slide block after structural representation;
Fig. 2 is the partial structurtes schematic diagram of the first sleeve pipe in the embodiment of the present invention one;
Fig. 3 is the structural representation of the first slide block in the embodiment of the present invention one;
Fig. 4 be in the embodiment of the present invention one second sleeve pipe be connected with the second slide block after structural representation;
Fig. 5 is the structural representation of the second sleeve pipe in the embodiment of the present invention one;
Fig. 6 is the structural representation of the second slide block in the embodiment of the present invention one;
Fig. 7 is the structural representation of the embodiment of the present invention one middle sleeve structure when assembling;
Fig. 8 is the partial sectional view I of the embodiment of the present invention one middle sleeve structure when assembling;
Fig. 9 is the partial sectional view II of the embodiment of the present invention one middle sleeve structure when assembling;
Figure 10 is the partial sectional view III of the embodiment of the present invention one middle sleeve structure when assembling;
Figure 11 is the partial sectional view of the embodiment of the present invention two middle sleeve structure when assembling;
Figure 12 is the sectional view of lifting column in the embodiment of the present invention three;
Figure 13 is the confined explosion's structural drawing in the embodiment of the present invention three;
Figure 14 is the worm's eye view of base in the embodiment of the present invention three;
Figure 15 is the A-A sectional view of Figure 14;
Figure 16 is the cooperating structure schematic diagram of motor and bottom in the present invention;
Figure 17 is the enlarged view at B place in Figure 16.
Embodiment
Embodiment one:
This sleeve structure of preferred embodiment being depicted as sleeve-assembled structure of the present invention as Fig. 1 to 7 comprises the first sleeve pipe 21, second sleeve pipe 22, first slide block 23 and the second slide block, first sleeve pipe 21 and the second sleeve pipe 22 are straight tube structure and are circular tube structure, first slide block 23 is circular ring, second slide block is four long strip slide blocks 24, and one end that this sleeve structure is specially adapted to the second sleeve pipe is provided with miscellaneous part and the first slide block 23 is situations between these parts and the second slide block.
Second sleeve pipe 22 is sheathed in the first sleeve pipe 21, and there is spacing between the outer wall of the inwall of the first sleeve pipe 21 and the second sleeve pipe 22, first slide block 23 is also sheathed on the second sleeve pipe 22, first slide block 23 is fixed on one end of the first sleeve pipe 21, first sleeve pipe 21 is provided with groove 211 on the inwall at this end place, first slide block 23 is provided with four joints 231 extended to the first sleeve pipe 21 inside along the axial direction of the first sleeve pipe 21 towards the side of the first sleeve pipe 21, four joints 231 are at the first slide block 23, each joint 231 prolongs and all extends the first sleeve pipe 21 interior grooves 211 position place, and joint 231 is provided with the screens portion 232 sticked in groove 211 in this position, first slide block 23 is sticked in groove 211 by screens portion 232 and realizes being fixedly connected with the first sleeve pipe 21.
Four long strip slide blocks 24 are fixed on the outer side wall of second sleeve pipe 22 one end, and four long strip slide block 24 symmetrical rings are around being distributed in the second sleeve pipe 22 around, second sleeve pipe 22 is equipped with jack 222 at correspondence each long strip slide block 24 position place, long strip slide block 24 is provided with the inserting pin 241 stretched in jack 222, and long strip slide block 24 is inserted in jack 222 by inserting pin 241 and realizes being fixedly mounted on the second sleeve pipe 22.When the first sleeve pipe 21 is enclosed within the second sleeve pipe 22, four long strip slide blocks 24 are between the first sleeve pipe 21 and the second sleeve pipe 22, and each long strip slide block 24 outer surface is equipped with protruding draw runner 242, the inwall of the first sleeve pipe 21 extends each being provided with of correspondence along the first sleeve pipe 21 axis and runs through the chute 212 at the first sleeve pipe 21 two ends, long strip slide block 24 coordinates realization and the first sleeve pipe 21 to be slidably matched by draw runner 242 and chute 212, when relative second sleeve pipe 22 of first sleeve pipe 21 moves axially, draw runner 242 relatively chute 212 slides; And the bearing of trend of joint 231 is towards the position at four long strip slide block 24 places on the first slide block 23.
In the present embodiment, screens portion 232 has plane of inclination 233 towards the side of the first sleeve pipe 21 inwall, when the first sleeve pipe 21 is enclosed within the second sleeve pipe 22, this plane of inclination 233 is positioned at joint 231 one end near long strip slide block 24, and increasing gradually along the distance of this plane of inclination 233 to the second sleeve pipe 22 axially close to the first slide block 23 from long strip slide block 24 direction of the first sleeve pipe 21, and the minimum range L of this plane of inclination 233 to the second sleeve pipe 22
minbe less than distance D, the ultimate range L between the first sleeve pipe 21 inwall and the second sleeve pipe 22 outer wall
maxbe greater than the distance D between the first sleeve pipe 21 inwall and the second sleeve pipe 22 outer wall.Second sleeve pipe 22 outer wall is provided with hole slot structure, in the present embodiment, hole slot structure is be located at four mounting holes 221 on the second sleeve pipe 22 sidewall, the distributing position of four mounting holes 221 is corresponding with the distributing position of four joints 231, namely, after the first slide block 23 moves to hole slot structure position place, four joints 231 screens portion 232 especially on four joints 231 is just just to four mounting holes 221.
This sleeve structure is when assembling, first the first slide block 23 and the second slide block are installed on the second sleeve pipe 22, make four mounting hole 221 one_to_one corresponding on the position in the screens portion 232 especially on four joints 231 of joint 231 on the first slide block 23 and the second sleeve pipe 22; At one end be set to the second sleeve pipe 22 by the first sleeve pipe 21 from the second slide block of the second sleeve pipe 22 again, now the end that is inserted in of the first sleeve pipe is all positioned at the same side of the first slide block 23 with joint 231; And then mobile first sleeve pipe 21 makes it close to the first slide block 23 position, in the process, as shown in FIG. 7 and 8, a part for the plane of inclination 233 on joint 231 enters in the first sleeve pipe 21; Then mobile first sleeve pipe 21 is continued, four joints 231 be subject to the first sleeve pipe 21 constraint, bend towards in four mounting holes 221 under the active force of the first sleeve pipe 21, because four joints 231 bend towards in four mounting holes 221, therefore when the first sleeve pipe 21 continues mobile, four joints 231 can all enter in the first sleeve pipe 21 easily, as shown in Figure 9, now screens portion 232 is against on the inwall of the first sleeve pipe 21; Along with the continuation of the first sleeve pipe 21 is moved, after groove 211 moves to position, screens portion 232, as shown in Figure 10, joint 231 rebounds, and takes advantage of a situation and stick in groove 211 in screens portion 232.
In the present embodiment, groove 211 is that can certainly make the form of four sulculuses, each sulculus holds a screens portion 232 around the first sleeve pipe 21 inwall annular groove of a week; Plane of inclination 233 adopts plane, also can be arranged to arc-shaped concave or arc convex; First sleeve pipe 21, second sleeve pipe 22 adopts pipe, also can adopt the non-rotating tubular construction such as square tube, elliptical tube.
Embodiment two:
Structure is basic identical with embodiment one, and be with the difference of embodiment one, as shown in figure 11, plane of inclination 233 is arranged between first sleeve pipe 21 one end inwall and this end end face.
Embodiment three:
Lifting column, comprise base 1, base 1 is provided with guide, this guide is socketed to form mutually by least two sleeve pipes, guide realizes flexible by the relative sliding between adjacent casing in three sleeve pipes, base 1 is provided with the transmission device for driving guide flexible.
In this embodiment, guide is made up of interior pipe 25, middle pipe 26 and outer tube 27, and interior pipe 25 is fixedly mounted on base 1, is firmly connected, is connected by interior pipe with base 1 by reinforcing part for ease of interior pipe 25 with between base 1.Middle pipe 26 is sheathed on outside interior pipe 25, and outer tube 27 is sheathed on outside middle pipe 26, the linkage structure between middle pipe 26 and interior pipe 25 and the sleeve-assembled structure of the linkage structure between outer tube 27 and middle pipe 26 all as described in embodiment one.
Concrete, as shown in figure 12, in linkage structure between middle pipe 26 and interior pipe 25, the bottom of middle pipe 26 is provided with smooth block 29, the top outer wall of interior pipe 25 is provided with 4 slim slide blocks 28, interior pipe 25 is equivalent to the second sleeve pipe in embodiment one, middle pipe 26 is equivalent to the first sleeve pipe in embodiment one, smooth block 29 is equivalent to the first slide block in embodiment one, slim slide block 28 is equivalent to the second slide block in embodiment one, and the Placement between interior pipe 25, middle pipe 26, smooth block 29, slim slide block 28 is identical with embodiment two with embodiment one.Equally, in linkage structure between outer tube and middle pipe, the bottom of outer tube 27 is also provided with smooth block 29, the top outer wall of middle pipe 26 is provided with 4 slim slide blocks 28, outer tube is equivalent to the first sleeve pipe in embodiment one and embodiment two, middle pipe is equivalent to the second sleeve pipe in embodiment one and embodiment two, smooth block 29 is equivalent to the first slide block in embodiment one and embodiment two, slim slide block 28 is equivalent to the second slide block in embodiment one and embodiment two, outer tube 27, middle pipe 26, smooth block 29, Placement between slim slide block 28 is also identical with embodiment two with embodiment one.
In this embodiment, transmission device comprises motor 4, worm gear 6, first axle 71, second axle 72, screw mandrel 73, one-level link 74, secondary link 75 and three grades of links 76 and forms.Motor 4 and worm gear 6 are all located in base 1, and as shown in Figure 13 to 17, base 1 is fastened by end box 11 and bottom 12 and forms, and motor 4 is placed in end box 11, and the end box 11 of the present embodiment base 1 has cavity 10, can hold motor 4, the output terminal of motor 4 is provided with worm screw, worm and wheel 6 engages, motor 4 rotates and drives worm gear 6 to rotate, first axle 71, second axle 72 is hollow mandrel, first axle 71 is placed in interior pipe 25, first axle 71 is fixedly connected with worm gear 6, worm gear 6 rotates drive first axle 71 and rotates, second axle 72 is sheathed in the first axle 71, first axle 71 inwall is provided with along the axially extended spline of the first axle 71, second axle 72 is provided with the spline part 721 coordinated with spline, second axle 72 coordinates relative first axle 71 to move axially by spline part 721 and spline, one-level link 74 is fixed in the first axle 71, one-level link 74 center is provided with tapped axis hole, the outer side surface of the second axle 72 is provided with outside thread, second axle 72 is through axis hole and one-level link 74 screw-thread fit, secondary link 75 is arranged on middle pipe 26, second axle 72 top is provided with contiguous block 722, contiguous block 722 location and installation is in secondary link 75 and can secondary link 75 axial rotation relatively, contiguous block 722 is provided with tapped hole, screw mandrel 73 be set in the tapped hole on contiguous block 722 with contiguous block 722 screw-thread fit, the bottom of screw mandrel 73 is stretched in the second axle 72, the top of screw mandrel 73 is fixedly connected with outer tube 27 by three grades of links 76, in this structure, first axle 71, second axle 72, screw mandrel 73 is coaxial.
In this embodiment, because transmission device produces rotary motion transferring power by the first axle 71, second axle 72, screw mandrel 73, can expect, this motion also can make the motor in base produce identical movement tendency, when the situation that motor is effectively unfixing in base, especially under motor lateral does not have confined situation, motor may be connected axle center around turbine and worm assembly with spindle gear and rotate, and produces deflect so just result in motor in real work in base.Therefore, in this embodiment, as shown in Figure 13 to 17, on bottom 12, corresponding motor 4 liang of side positions are provided with limiting stopper 121, and bottom 12 is connected to end box 11, motor 4 described in limiting stopper 121 lateral Displacement.At the bottom 12 of base 1, limiting stopper 121 is set, utilize limiting stopper 121 lateral Displacement motor 4, solve motor beat problem, during concrete enforcement, on bottom 12, corresponding motor 4 liang of side positions are provided with limiting stopper 121, and in order to avoid hard between motor with limiting stopper 121 contacts, limiting stopper 121 is provided with elastic cushion block 3, elastic cushion block 3 is closely attached on motor 4 side, and the shape of elastic cushion block 3 can adjust according to motor shape.The setting of elastic cushion block 3 can well protect motor, and reduces vibrating noise.Elastic cushion block 3 can rubber or silica gel material be made.During assembling elastic cushion block 3, can arrange groove 21 on elastic cushion block 3, limiting stopper 121 inserts groove 31 and fixes elastic cushion block 3, or adopts the mode of quadric injection mould, is directly injected on limiting stopper 121 by elastic cushion block 3.For different motor types and motor installation requirement, organize limiting stopper along motor shaft to arranging, the present embodiment is provided with two groups of limiting stoppers 121 more, often organizes limiting stopper 121 and comprises two limiting stoppers 121 being positioned at the motor left and right sides.Bottom 12 adopts plastic material, and limiting stopper 121 can directly molding and forming on bottom 12, in order to improve limiting stopper 121 intensity, can inject stiffening rib 123 in limiting stopper 121 side, preventing limiting stopper 121 to be out of shape.
When motor is installed, first load in the cavity 10 of end box 11, in the transmission device engagement process of motor output end and actuator, need operator to adjust motor angle, so that motor can with the transmission device reliable fit of actuator, and the end box 11 of the present embodiment has larger space, convenient operation personnel adjust mounting position of motor, after adjusting position, cover bottom 12, motor 4 both sides are spacing by limiting stopper 121, effectively prevent motor from operationally producing beat, so both reduce the assembling difficulty of motor, the stability during operation of motor can be ensured again.In order to make motor fixing reliable, the present embodiment is also provided with auxiliary briquetting 5 in motor 4 front end, and bottom 12 is by auxiliary briquetting 5 clamping motor 4 front end; Concrete, motor 4 front end is a Steel Support 41, Steel Support is provided with outstanding positioning block, auxiliary briquetting 5 is provided with corresponding locating slot, auxiliary briquetting 5 is assembled on Steel Support 41, positioning block inserts in locating slot, utilizes bottom 12 to compress auxiliary briquetting 5, motor 4 in the vertical direction is fixed further.
End box 11 and the bottom 12 of the base of the present embodiment adopt floating connection, concrete, arrange trip 122 at bottom 12 sidewall, end box 11 sidewall corresponding position arranges positioning hole 111, and trip 122 fastens to positioning hole 111 inner position bottom 12, and trip 122 top is provided with inclined-plane 124, due to the existence on inclined-plane 124, end box 11 is allowed to have certain flying height, the vibration produced during machine operation, can be offset by fluctuating of end box 11, avoid motor oscillating to be directly delivered on end box 11.The sidewall of end box 11 is provided with the tapped hole 110 of in-flanges, this tapped hole 110 is generally used for the framework connecting supporting desktop, in the prior art, end box 11 inner space is less, and there is the stop of electric machine spacing structure, for avoiding interfering, the in-flanges of tapped hole can not do length, and the connection of framework and end box is unreliable.At the bottom of the present embodiment, box 11 inner space is larger, and do not have structural member to stop, the in-flanges of tapped hole 110 can lengthen, the interference with the structural member in end box need not be worried, like this, just increase screw thread effective length, longer set screw can be selected, make the connection of framework and end box more firm.In general, box inner space, the end increases, and is conducive to heat radiation, may there is resonant cavity problem, but have above-mentioned tapped hole 110 to exist, chamber of usually can not empathizing, for better solving this problem, can arrange perforate targetedly on end box 11 sidewall.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with this those skilled in the art and should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in embodiment above.Any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.
Claims (10)
1. sleeve-assembled structure, comprise the first sleeve pipe (21), second sleeve pipe (22), first slide block (23) and the second slide block, described second sleeve pipe (22) is sheathed in the first sleeve pipe (21), spacing is had between the inwall of described first sleeve pipe (21) and the outer wall of the second sleeve pipe (22), described first slide block (23) is ring structure, described first slide block (23) is sheathed on the second sleeve pipe (22) and above also can slides along the second sleeve pipe (22) axial reciprocating, described first sleeve pipe (21) is fixedly connected with the first slide block (23), described second slide block is located between the first sleeve pipe (21) and the second sleeve pipe (22), the axial restraint of relative second sleeve pipe (22) of described second slide block, described second slide block and the first sleeve pipe (21) are slidably matched, it is characterized in that: described first sleeve pipe (21) inwall is provided with groove (211), described first slide block (23) axial direction be provided with towards the side of the second slide block along the first sleeve pipe (21) extends to the joint (231) at groove (211) position place, described joint (231) is provided with the screens portion (232) sticked in groove (211), described first slide block (23) is sticked in groove (211) by screens portion (232) and realizes being fixedly connected with the first sleeve pipe (21), described screens portion (232) is provided with plane of inclination (233) towards the side of the first sleeve pipe (21) or is provided with plane of inclination (233) between the first sleeve pipe (21) one end internal face and this end end face, described second sleeve pipe (22) outer wall is provided with hole slot structure, and when described first slide block (23) is in hole slot structure place, all joints (231) are corresponding with the position of hole slot structure.
2. sleeve-assembled structure according to claim 1, it is characterized in that: described hole slot structure is for being located at the some mounting holes (221) on the second sleeve pipe (22) sidewall, the quantity of described mounting hole (221) is equal with the quantity of joint (231), the position of described mounting hole (221) and the position one_to_one corresponding of joint (231).
3. sleeve-assembled structure according to claim 1, is characterized in that: described groove (211) is around the first sleeve pipe (21) the inwall annular groove of a week.
4. sleeve-assembled structure according to claim 1, it is characterized in that: described second slide block is some around being distributed in the second sleeve pipe (22) long strip slide block (24) around, described second sleeve pipe (22) is equipped with jack (222) at correspondence each long strip slide block (24) position place, and described long strip slide block (24) is provided with the inserting pin (241) stretched in jack (222).
5. lifting column, comprise base (1), (1) is provided with guide to described base, described guide is socketed to form mutually by least two sleeve pipes, described guide realizes flexible by the relative sliding between adjacent casing, described base (1) being provided with the transmission device for driving guide flexible, it is characterized in that: have at least in described guide adopt between two adjacent casings as arbitrary in Claims 1-4 as described in sleeve-assembled.
6. lifting column according to claim 5, it is characterized in that: described guide is made up of interior pipe, middle pipe, outer tube, described interior pipe is fixedly connected with base (1), described middle pipe box is located at outside interior pipe, described outer tube sleeve is located at outside middle pipe, all adopt between described middle pipe and interior pipe and between described outer tube and middle pipe as arbitrary in Claims 1-4 as described in sleeve-assembled.
7. the lifting column according to claim 5 or 6, it is characterized in that: described transmission device comprises and is located at worm gear (6) in base (1) and motor (4), the output terminal of described motor (4) is provided with worm screw, described worm and wheel (6) engages, described base (1) comprises end box (11) and bottom (12), described motor (4) is placed in end box (11), upper corresponding motor (4) two side position of described bottom (12) is provided with limiting stopper (121), described bottom (12) is connected to end box (11), motor (4) described in described limiting stopper (121) lateral Displacement.
8. lifting column according to claim 7, is characterized in that: described limiting stopper (121) is provided with elastic cushion block (3), and described elastic cushion block (3) is closely attached on motor (4) side.
9. lifting column according to claim 8, is characterized in that: described elastic cushion block (3) is provided with groove (31), and described limiting stopper (121) inserts the fixing elastic cushion block (3) of groove (31).
10. lifting column according to claim 7, it is characterized in that: described bottom (12) sidewall is provided with trip (122), box (11) sidewall of the described end is provided with positioning hole (111), described trip (122) fastens to positioning hole (111) inner position bottom (12), described trip top is provided with inclined-plane (124), described motor front end is provided with auxiliary briquetting (5), and described bottom (12) is by auxiliary briquetting (5) clamping motor (4) front end.
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| CN201510190416.9A CN104863937B (en) | 2015-04-21 | 2015-04-21 | Sleeve-assembled structure and lifting column |
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| CN104863937B CN104863937B (en) | 2017-10-24 |
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| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
| CN105661897A (en) * | 2016-02-03 | 2016-06-15 | 常州市凯迪电器有限公司 | Decoration sleeve and linear drive with decoration sleeve for height-adjustable office table |
| CN106239150A (en) * | 2016-09-30 | 2016-12-21 | 常州信息职业技术学院 | A kind of inner tube and the assembling special plane of middle pipe |
| CN107420506A (en) * | 2017-08-04 | 2017-12-01 | 宁波海仕凯驱动科技有限公司 | A kind of lifting column |
| CN107680856A (en) * | 2017-10-31 | 2018-02-09 | 商洛市虎之翼科技有限公司 | A kind of afterbody switch |
| CN108569415A (en) * | 2017-06-14 | 2018-09-25 | 中国国际海运集装箱(集团)股份有限公司 | Height measuring device and connecting bridge with the device |
| CN108801797A (en) * | 2017-04-27 | 2018-11-13 | 天津台信检测技术有限公司 | The resistance to pressuring oil pipe pressure resistance of automobile and explosion bulge test device |
| CN110897335A (en) * | 2019-11-22 | 2020-03-24 | 绍兴市耐特驱动科技有限公司 | Lifting upright post |
| CN111084487A (en) * | 2019-12-27 | 2020-05-01 | 浙江捷昌线性驱动科技股份有限公司 | Lifting upright column for lifting table and lifting table |
| CN113790198A (en) * | 2021-11-16 | 2021-12-14 | 常州市凯迪电器股份有限公司 | Sliding structure, mounting method, and actuator |
| CN114931787A (en) * | 2022-06-17 | 2022-08-23 | 安徽东旭大别山农业科技有限公司 | Filter equipment in tea-oil camellia production vegetable oil process |
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| CN107680856A (en) * | 2017-10-31 | 2018-02-09 | 商洛市虎之翼科技有限公司 | A kind of afterbody switch |
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| CN111084487A (en) * | 2019-12-27 | 2020-05-01 | 浙江捷昌线性驱动科技股份有限公司 | Lifting upright column for lifting table and lifting table |
| CN113790198A (en) * | 2021-11-16 | 2021-12-14 | 常州市凯迪电器股份有限公司 | Sliding structure, mounting method, and actuator |
| CN114931787A (en) * | 2022-06-17 | 2022-08-23 | 安徽东旭大别山农业科技有限公司 | Filter equipment in tea-oil camellia production vegetable oil process |
| CN114931787B (en) * | 2022-06-17 | 2023-11-14 | 安徽东旭大别山农业科技有限公司 | Filter equipment in oil tea production vegetable oil process |
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