CN201578495U - Chassis of obstetric table - Google Patents
Chassis of obstetric table Download PDFInfo
- Publication number
- CN201578495U CN201578495U CN2009202920099U CN200920292009U CN201578495U CN 201578495 U CN201578495 U CN 201578495U CN 2009202920099 U CN2009202920099 U CN 2009202920099U CN 200920292009 U CN200920292009 U CN 200920292009U CN 201578495 U CN201578495 U CN 201578495U
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- China
- Prior art keywords
- bar
- universal wheels
- chassis
- pull bar
- swing arm
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model relates to a chassis of an obstetric table, which comprises a chassis body, four universal wheels and locking devices, wherein the chassis body comprises two bottom rods which are oppositely arranged and a transverse rod connected with the two bottom rods, the four universal wheels are respectively installed at the two end parts of the two bottom rods, the locking devices used for locking the two universal wheels on each bottom rod are respectively arranged on each bottom rod, each locking device comprises two top rods, an unlocking component and a pull rod component, the two top rods correspond to the two universal wheels, the unlocking components and the two top rods are connected in a transmission way by the pull rod components, and the locking devices have the states of locking and unlocking. When the locking devices are in the locking state, the two top rods on the bottom rods are tightly abutted with the two universal wheels. When the locking devices are in the unlocking state, the two top rods on the bottom rods are separated from the two universal wheels. In the utility model, the locking of the two universal wheels on the same bottom rod can be finished only by treading once, which is more convenient to operate; and meanwhile, one of the universal wheels on the two bottom rods can be selectively locked, and the selection is also more flexible.
Description
Technical field
This utility model relates to a kind of chassis of obstetric table.
Background technology
In the prior art, generally be provided with universal wheel respectively on four angles on obstetric table chassis, move with convenient described obstetric table, simultaneously on four universal wheels, be respectively arranged with braking mechanism, when pressing down the locking piece of braking mechanism, locking piece is contacted with universal wheel, realize the brake function of universal wheel, obstetric table is finished locking; When unclamping locking piece, locking piece and universal wheel are separated, and remove the function of its brake, and obstetric table can move freely by universal wheel.Yet this brake method need be operated four braking mechanisms on universal wheel respectively, and it is many not only to operate number, in case omit the locking effect that operation can influence obstetric table.
The utility model content
The purpose of this utility model is to provide a kind of chassis that has the obstetric table of locking device.
In order to reach above purpose, the scheme that this utility model adopts is:
A kind of chassis of obstetric table, comprise chassis body, be installed in four universal wheels on the described chassis body, also be provided with locking device on the described chassis body, described chassis body comprises the two foundation bars that are oppositely arranged, the cross bar that connects two described bottom bars, described four universal wheels are installed in two ends of two described bottom bars respectively, be respectively arranged with the locking device that is used for locking simultaneously two universal wheels on this foundation bar on the described bottom bar of each root, described locking device comprises two push rods that are arranged on the described bottom bar, separate lock assembly and rod assembly, two described push rods are corresponding respectively with two universal wheels, the described lock assembly of separating is in transmission connection by described rod assembly mutually with two described push rods, described locking device has lock-out state and released state, when being in the lock state, two push rods on the described bottom bar and two described universal wheels on this foundation bar offset respectively, described two universal wheels that are on this foundation bar are locked, when being in released state, two push rods and two described universal wheels on the described bottom bar are separated, and described two universal wheels that are on this foundation bar are unlocked.
Pass through technique scheme, preferably, described rod assembly comprises first pull bar and second pull bar, and an end of described first pull bar and second pull bar is connected with briquetting respectively, be connected with screw on each described briquetting, described screw offsets with corresponding described push rod.Further preferred each described briquetting is rotatably connected on the described bottom bar, and an end of described first pull bar and second pull bar also rotates with corresponding briquetting and is connected; Simultaneously, described first pull bar and second pull bar are along the length direction setting of bottom bar.
In addition, pass through technique scheme, also can preferably describedly separate lock assembly comprise rotating be arranged on the described bottom bar step on bar, with described cam, first swing arm and second swing arm of stepping on the coaxial setting of bar, described first swing arm is connected with described second pull bar, described second swing arm is connected with described first pull bar, and described first swing arm and second swing arm all offset with described cam.The further preferred described bar of stepping on is provided with pedal unit, and described pedal unit comprises left brake pedal and right brake pedal.
Technique scheme also can be preferably, and described cross bar is connected two described bottom bar middle parts, and the described lock assembly of separating is arranged on described bottom bar middle part.
Because the employing of technique scheme, this utility model compared with prior art has following advantage: locking device of the present utility model is provided with two, locking is positioned at two universal wheels on the same foundation bar respectively, only need trample the locking that once just can finish two universal wheels, operate more convenient; Universal wheel on the two foundation bars is optionally locked one simultaneously, selects also more flexible.
Description of drawings
Accompanying drawing 1 is the structural representation on this utility model obstetric table chassis;
Accompanying drawing 2 is the broken away view on this utility model obstetric table chassis;
Accompanying drawing 3 is the released state sketch map of this utility model locking device;
Accompanying drawing 4 is the lock-out state sketch map of this utility model locking device;
The state diagram of swing arm when accompanying drawing 5 is in released state for this utility model;
Accompanying drawing 6 is this utility model A place enlarged drawing;
The state diagram of swing arm when accompanying drawing 7 is in the lock state for this utility model;
Accompanying drawing 8 is this utility model B place enlarged drawing;
Wherein: 1, chassis body; 100, bottom bar; 101, cross bar; 2, universal wheel; 3, left brake pedal; 4, right brake pedal; 5, first pull bar; 6, second pull bar; 7, first swing arm; 8, second swing arm; 9, cam; 10, briquetting; 11, screw; 12, push rod; 13, step on bar.
The specific embodiment
Describe concrete structure of the present utility model below with reference to accompanying drawings in detail:
Shown in accompanying drawing 1,2: a kind of chassis of obstetric table, comprise chassis body 1, be installed in four universal wheels 2 on the chassis body 1, also be provided with locking device on the chassis body 1, chassis body 1 comprises the two foundation bars 100 that are oppositely arranged, the cross bar 101 that connects two foundation bars 100, cross bar 101 is connected two foundation bars, 100 middle parts, four universal wheels 2 are installed in two ends of two foundation bars 100 respectively, are respectively arranged with the locking device that is used for locking simultaneously two universal wheels 2 on this foundation bar 100 on each foundation bar 100.
The locking device of present embodiment comprises two push rods 12 being arranged on the bottom bar 100, be arranged on bottom bar 100 middle parts separate lock assembly and rod assembly, two push rods 12 are corresponding respectively with two universal wheels 2, separate lock assembly and two push rods 12 and are in transmission connection mutually by rod assembly.Locking device has lock-out state and released state, when being in the lock state, two push rods 12 on the bottom bar 100 offset respectively with two universal wheels 2 on this foundation bar 100, two universal wheels 2 that are on this foundation bar 100 are locked, when being in released state, two push rods 12 and two universal wheels 2 on the bottom bar 100 are separated, and two universal wheels 2 that are on this foundation bar 100 are unlocked.
Rod assembly comprises that an end of first pull bar 5 and second pull bar, 6, the first pull bars 5 and second pull bar 6 is connected with briquetting 10 respectively, is connected with screw 11 on each briquetting 10, and screw 11 offsets with corresponding push rod 12.Simultaneously, briquetting 10 is rotatably connected on the bottom bar 100, and an end of first pull bar 5 and second pull bar 6 also rotates with corresponding briquetting 10 and is connected; In addition, first pull bar 5 and second pull bar 6 be along the length direction setting of bottom bar 100, and two push rods 12 and first pull bar 5 and the 6 relative vertical settings of second pull bar.
Present embodiment separate lock assembly comprise rotating be arranged on the bottom bar 100 step on bar 13, with cam 9, first swing arm 7 and second swing arm 8 of stepping on bar 13 coaxial settings, first swing arm 7 is connected with second pull bar 6, second swing arm 8 is connected with first pull bar 5, and first swing arm 7 and second swing arm 8 all offset with cam 9.Operate in for convenience and step on bar 13 and be provided with pedal unit, pedal unit comprises left brake pedal 3 and right brake pedal 4.
Below specifically set forth operational approach of the present utility model:
Under released state, four universal wheels 2 can move freely, and at this moment, separate first swing arm 7 in the lock assembly and second swing arm 8 and are 3 degree angles because of the screens of cam 9, and are shown with reference to accompanying drawing 5.When needs lock universal wheel 2, trample left brake pedal 3, brake pedal 3 operations in a left side are stepped on bar 13 and are rotated, with step on the bar 14 coaxial cams that are connected 9 and also rotate thereupon, first swing arm 7 and second swing arm 8 are opened because of cam 9 rotates, the briquetting 10 that first swing arm, 7 pullings, second pull bar 6,5, two pull bars of second swing arm, 8 pulling first pull bars spur respectively.It is one rectangular-shaped that the briquetting 10 of present embodiment is, and is connected by rotating shaft at the right angle of briquetting 10 one and bottom bar 100.At this moment, two briquettings 10 of two pull bars pulling are converted into laterally moving of pull bar to push rod 12 moving vertically downward by rotating shaft.At this moment, briquetting 10 is by screw 11 extruding push rods 12 downwards, and push rod 12 is offseted with corresponding universal wheel 2, finishes locking, and universal wheel 2 is forbidden moving at this moment, shown in accompanying drawing 4,8.Simultaneously, first swing arm 7 and second swing arm 8 are spent angles because of the Unscrew of cam 9 to being 12, shown in accompanying drawing 7.
Same, when trampling right brake pedal 4, right brake pedal 4 operations are stepped on bar 13 and are rotated, drive and step on the bar 14 coaxial cams that are connected 9 and also rotate thereupon, make win swing arm 7 and second swing arm 8 rotate closed because of cam 9, the pulling force to first pull bar 5 is recalled in pulling force, second swing arm 8 that first swing arm 7 is recalled second pull bar 6, two briquettings 10 that pull bar spurs respectively, the extruding that briquetting 10 is removed push rod 12 by screw 11.On push rod 12, need be provided with reposition element, as back-moving spring.After briquetting 10 was cancelled extruding to push rod 12, push rod 12 was separated with corresponding universal wheel 2 under the effect of reposition element, unlocks, and four universal wheels 2 can be free movable, and are shown with reference to accompanying drawing 3,6.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of being done according to this utility model spirit change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (8)
1. the chassis of an obstetric table, it is characterized in that: comprise chassis body, be installed in four universal wheels on the described chassis body, also be provided with locking device on the described chassis body, described chassis body comprises the two foundation bars that are oppositely arranged, the cross bar that connects two described bottom bars, described four universal wheels are installed in two ends of two described bottom bars respectively, be respectively arranged with the locking device that is used for locking simultaneously two universal wheels on this foundation bar on the described bottom bar of each root, described locking device comprises two push rods that are arranged on the described bottom bar, separate lock assembly and rod assembly, two described push rods are corresponding respectively with two universal wheels, the described lock assembly of separating is in transmission connection by described rod assembly mutually with two described push rods, described locking device has lock-out state and released state, when being in the lock state, two push rods on the described bottom bar and two described universal wheels on this foundation bar offset respectively, described two universal wheels that are on this foundation bar are locked, when being in released state, two push rods and two described universal wheels on the described bottom bar are separated, and described two universal wheels that are on this foundation bar are unlocked.
2. the chassis of a kind of obstetric table according to claim 1, it is characterized in that: described rod assembly comprises first pull bar and second pull bar, one end of described first pull bar and second pull bar is connected with briquetting respectively, be connected with screw on each described briquetting, described screw offsets with corresponding described push rod.
3. the chassis of a kind of obstetric table according to claim 2, it is characterized in that: each described briquetting is rotatably connected on the described bottom bar, and an end of described first pull bar and second pull bar also rotates with corresponding briquetting and is connected.
4. the chassis of a kind of obstetric table according to claim 2, it is characterized in that: described first pull bar and second pull bar are along the length direction setting of bottom bar.
5. the chassis of a kind of obstetric table according to claim 1 and 2, it is characterized in that: described separate lock assembly comprise rotating be arranged on the described bottom bar step on bar, with described cam, first swing arm and second swing arm of stepping on the coaxial setting of bar, described first swing arm is connected with described second pull bar, described second swing arm is connected with described first pull bar, and described first swing arm and second swing arm all offset with described cam.
6. the chassis of a kind of obstetric table according to claim 5, it is characterized in that: the described bar of stepping on is provided with pedal unit, and described pedal unit comprises left brake pedal and right brake pedal.
7. the chassis of a kind of obstetric table according to claim 1 is characterized in that: described cross bar is connected two described bottom bars middle parts.
8. follow the chassis according to the described a kind of obstetric table of claim 1, it is characterized in that: the described lock assembly of separating is arranged on described bottom bar middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202920099U CN201578495U (en) | 2009-12-07 | 2009-12-07 | Chassis of obstetric table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202920099U CN201578495U (en) | 2009-12-07 | 2009-12-07 | Chassis of obstetric table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201578495U true CN201578495U (en) | 2010-09-15 |
Family
ID=42720487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202920099U Expired - Lifetime CN201578495U (en) | 2009-12-07 | 2009-12-07 | Chassis of obstetric table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201578495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802875A (en) * | 2014-01-27 | 2014-05-21 | 太仓市康辉科技发展有限公司 | Leg separating mechanism of cart chassis |
-
2009
- 2009-12-07 CN CN2009202920099U patent/CN201578495U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802875A (en) * | 2014-01-27 | 2014-05-21 | 太仓市康辉科技发展有限公司 | Leg separating mechanism of cart chassis |
| CN103802875B (en) * | 2014-01-27 | 2016-01-20 | 太仓市康辉科技发展有限公司 | A kind of leg-separating mechanism of go-cart chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |