CN2610209Y - Self-lock type speed reducing screen trestle rod - Google Patents
Self-lock type speed reducing screen trestle rod Download PDFInfo
- Publication number
- CN2610209Y CN2610209Y CN 03224085 CN03224085U CN2610209Y CN 2610209 Y CN2610209 Y CN 2610209Y CN 03224085 CN03224085 CN 03224085 CN 03224085 U CN03224085 U CN 03224085U CN 2610209 Y CN2610209 Y CN 2610209Y
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- Prior art keywords
- self
- locking
- snap close
- down mechanism
- pin
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- Expired - Lifetime
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Abstract
A self-lock decelerating screen frame rod of the utility model belongs to the device field for projection and watching. The frame rod is composed of a fixing duct and a lifting duct, and the frame rod is provided with a self-lock decelerating mechanism which is composed of a self-lock button and a self-lock fixing piece. The self-lock fixing piece fixes the self-lock button through a pin, and the self-lock button can rotate around the pin. The self-lock button clamps the lifting duct of the frame rod. The frame rod is provided with a lifting knob which comprises a lifting lock button, a positioning seat, a positioning spring and a knob. The utility model is simple in structure, reasonable in design and convenient for usage. The falling speed of the lifting duct can be controlled at will, and the utility model is a frame rod applicable for various screen frames.
Description
Technical field the utility model self-locking deceleration screen mount bar belongs to projection or watches the device or the apparatus field of usefulness, particularly relates to a kind of cradling piece that is used for lifting screen.
The cradling piece that is used for lifting screen that background technique is used now is made up of fixed tube and fall way, fall way inserts in the fixed tube, knob bolts location fall way is set on cradling piece, reaches the purpose of control screen height, but because structure is provided with unreasonable, in fall way falling process, owing to there is not control mechanism, cause falling speed fast, make screen and other parts damages on the fall way, in lifting process, knob bolts causes easily to the cut of pipe and damage simultaneously.
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides a kind of fall way of can controlling to fall speed after rise, prevents to cause screen and pipe to wait other parts damages, self-locking deceleration screen mount bar easy to use.
The content the purpose of this utility model of model utility reaches by following measure, cradling piece is made up of fixed tube and fall way, fall way inserts in the fixed tube, the connection bracket is set on fixed tube, link is set in the fall way upper end to link to each other with the screen upper end, the link that is provided with on screen lower end and the fixed tube links to each other, cradling piece is by the lifting of fall way in fixed tube, make screen open and shrink, cradling piece is provided with self-locking speed-down mechanism, cradling piece passes self-locking speed-down mechanism, self-locking speed-down mechanism has slotted eye by forming from snap close and self-locking fixed block on fixed tube, self-locking speed-down mechanism is fixed on the fixed tube by the self-locking fixed block, fixing by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, can rotate around pin from snap close, when in fixed tube, sliding in the fall way falling process, produce downward power, contact the generation friction with fall way from snap close, reduced the rate of descent of fall way.
The angle that self-locking clip of the present utility model is lived fall way can have influence on the rate of descent of fall way, in self-locking speed-down mechanism, controlling device is set, regulate the self-locking clip and live the angle of fall way, one adjusting screw is set in self-locking speed-down mechanism, the termination of adjusting screw withstands on self-locking and buckles, rotate adjusting screw and make termination jack-up, regulate the angle that the self-locking clip is lived fall way from snap close.
The utility model is provided with controlling device in self-locking speed-down mechanism, regulate the self-locking clip and live the angle of fall way, an adjustable lever is set in self-locking speed-down mechanism, adjustable lever is fixed on self-locking and buckles, rotary regulating lever makes from snap close and rotates, and regulates the angle that the self-locking clip is lived fall way.
The utility model self-locking speed-down mechanism is by forming from snap close and self-locking fixed block, on fixed tube, have two relative slotted eyes, fixing a pair of by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, cradling piece passes between a pair of self-locking is smashed, a pair of self-locking clip is lived the fall way of cradling piece, a pair of from corresponding relative two slotted eyes that on fixed tube, have of snap close, can rotate around pin from snap close.
The utility model self-locking speed-down mechanism is by forming from snap close and self-locking fixed block, on fixed tube, have corresponding a plurality of slotted eye, fixing a plurality of by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, cradling piece passes between self-locking is smashed, the self-locking clip is lived the fall way of cradling piece, from the corresponding relative slotted eye that on fixed tube, has of snap close, can rotate around pin from snap close.
The utility model self-locking speed-down mechanism is by forming from snap close and self-locking fixed block, fixing by screw pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, one end of screw pin is fixing from snap close, the slotted eye that on the corresponding fixed tube of snap close, has, the other end of screw pin passes the self-locking fixed block, on another termination of screw pin, a knob is set, turning knob makes the self-locking clip live fall way, increased frictional force, reduced the rate of descent of fall way, by from snap close, can regulate the rate of descent of fall way.
The utility model self-locking speed-down mechanism is by forming from snap close and self-locking fixed block, on fixed tube, have corresponding a plurality of slotted eye, fixing a plurality of by screw pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, cradling piece passes between self-locking is smashed, the self-locking clip is lived the fall way of cradling piece, from the corresponding relative slotted eye that has on fixed tube of snap close.
The self-locking of the utility model self-locking speed-down mechanism is buckled friction wheel can be set, and friction wheel is fixed on self-locking by pin and buckles.
Cut and the damage of the utility model in order to prevent fall way, the lifting knob is set on cradling piece, fall way is provided with positioning hole, the lifting knob is by the lifting snap close, positioning seat, retaining spring and knob are formed, the lifting snap close is arranged in the positioning seat, spring housing is on the lifting snap close, knob is installed on the positioning seat, turning knob, the lifting snap close that drives in the positioning seat rotates, the lifting snap close is rotated, positioning seat is fixed on the cradling piece by nut, knob can spur lifting snap close pressure spring, the lifting snap close is moved, break away from the positioning hole on the fall way, the front end of lifting snap close is an arc surfaced, it cooperates with the positioning hole that is provided with on the fall way, by rotating the lifting snap close, the front end arc surfaced of lifting snap close is faced upward or downward, control the location of fall way, rotate the lifting snap close, the front end arc surfaced that makes the lifting snap close down, fall way upwards promotes, the positioning hole lower limb of fall way contacts with the front end cambered surface of lifting snap close, and the active force that makes progress is lifting snap close pressure spring backward, latches in to next positioning hole lifting under the effect of spring and is returned to the origin-location, the top edge of the positioning hole of fall way is stuck on the lifting snap close at this moment, stop fall way to glide, fall way rotates front end arc surfaced that the lifting snap close makes the lifting snap close up when lower slider, the positioning hole top edge of fall way contacts with the front end cambered surface of lifting snap close, and downward active force is with lifting snap close pressure spring backward.
The utility model is simple in structure, and is reasonable in design, and cost is low, easy to use, can arbitrarily control the speed that fall way falls after rise, prevents to cause screen and pipe to wait other parts damages, is a kind of cradling piece that multiple screen mount uses that is fit to.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is side views of accompanying drawing 1.
Accompanying drawing 3 is lifting knob structure schematic representation of the present utility model.
Accompanying drawing 4 is the utility model embodiment schematic representation.
Accompanying drawing 5 is embodiment's schematic representation of the present utility model.
Accompanying drawing 6 is embodiment's schematic representation of the present utility model.
Accompanying drawing 7 is the utility model self-locking speed-down mechanism for implementing example structural representations.
Accompanying drawing 8 is the utility model self-locking speed-down mechanism for implementing example structural representations.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, shown in the accompanying drawing 2, the utility model is the cradling piece on the support that uses of projection or the screen of watching usefulness, cradling piece is made up of fixed tube 3 and fall way 4, fall way inserts in the fixed tube, fall way can slide up and down in fixed tube, cradling piece is provided with self-locking speed-down mechanism, cradling piece passes self-locking speed-down mechanism, self-locking speed-down mechanism is made up of from snap close 1 and self-locking fixed block 2 a pair of, on fixed tube, have two relative slotted eyes, self-locking speed-down mechanism is fixed on the fixed tube, fixing by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, tension spring is arranged on pin, can rotate around pin from snap close, a pair of from corresponding relative two slotted eyes that on fixed tube, have of snap close, a pair of self-locking clip is lived the fall way of cradling piece, when in fixed tube, sliding in the fall way falling process, produce downward power, make a pair of self-locking clip live fall way, increased frictional force, reduced the rate of descent of fall way, by a pair of from snap close, can regulate the rate of descent of fall way, in self-locking speed-down mechanism, controlling device is set, regulate the angle that the self-locking clip is lived fall way, one adjusting screw 5 is set in self-locking speed-down mechanism, the termination of adjusting screw withstands on self-locking and buckles, and rotates adjusting screw and makes termination jack-up from snap close, regulates the angle that the self-locking clip is lived fall way.The lifting knob is set on cradling piece, fall way is provided with positioning hole 6, the lifting knob is by lifting snap close 7, positioning seat 8, retaining spring 9 and knob 10 are formed, the lifting snap close is arranged in the positioning seat, retaining spring is enclosed within on the lifting snap close, and knob is installed on the positioning seat, and positioning seat is fixed on the cradling piece, turning knob, the lifting snap close that drives in the positioning seat rotates, and the front end of lifting snap close is an arc surfaced, and it cooperates with the positioning hole that is provided with on the fall way, the lifting snap close is moved, break away from the positioning hole on the fall way.
As shown in Figure 3, lifting knob of the present utility model is by lifting snap close 7, positioning seat 8, retaining spring 9 and knob 10 are formed, fall way is provided with positioning hole, and the lifting snap close is arranged in the positioning seat, and retaining spring is enclosed within on the lifting snap close, knob is installed on the positioning seat, positioning seat is fixed on by nut on the fixed tube 3 of cradling piece, turning knob, and the lifting snap close that drives in the positioning seat rotates, the lifting snap close is rotated, the front end of lifting snap close is an arc surfaced, and it cooperates with the positioning hole that is provided with on the fall way, by rotating the lifting snap close, the front end arc surfaced of lifting snap close is faced upward or downward, control the location of fall way.
As shown in Figure 4, the utility model cradling piece is made up of fixed tube 3 and fall way 4, fall way inserts in the fixed tube, on fixed tube, be provided with and connect bracket 11, in the fall way upper end link being set links to each other with screen 12 upper ends, the link that is provided with on screen lower end and the fixed tube links to each other, cradling piece is by the lifting of fall way in fixed tube, make screen open and shrink, cradling piece is provided with pinch roller reducing gear 14, and the pinch roller reducing gear is made up of handle and pinch roller, when sliding in fixed tube in the fall way falling process, depress handle, increased frictional force, reduced the rate of descent of fall way, lifting knob 13 has been set on cradling piece, fall way is provided with positioning hole, the front end of lifting snap close is an arc surfaced, and it cooperates with the positioning hole that is provided with on the fall way, by rotating the lifting snap close, the front end arc surfaced of lifting snap close is faced upward or downward, control the location of fall way.
As shown in Figure 5, the utility model cradling piece is made up of fixed tube 3 and fall way 4, fall way inserts in the fixed tube, fall way can slide up and down in fixed tube, cradling piece is provided with self-locking speed-down mechanism, cradling piece passes self-locking speed-down mechanism, self-locking speed-down mechanism is by forming from snap close 1 and self-locking fixed block 2, on fixed tube, have a slotted eye, self-locking speed-down mechanism is fixed on the fixed tube, on the self-locking fixed block of self-locking speed-down mechanism, fix one from snap close, tension spring is arranged on pin, can rotate around pin from snap close by pin, one adjusting screw 5 is set in self-locking speed-down mechanism, the termination of adjusting screw withstands on self-locking and buckles, and rotates adjusting screw and makes termination jack-up from snap close, regulates the angle that the self-locking clip is lived fall way.
As shown in Figure 6, the utility model cradling piece is made up of fixed tube 3 and fall way 4, cradling piece is provided with self-locking speed-down mechanism, cradling piece passes self-locking speed-down mechanism, self-locking speed-down mechanism is made up of from snap close 1 and self-locking fixed block 2 a pair of, on fixed tube, have two relative slotted eyes, fixing by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, can rotate around pin from snap close, self-locking is buckled friction wheel is set, friction wheel is fixed on self-locking by pin and buckles, corresponding relative two slotted eyes that on fixed tube, have of the friction wheel that a pair of self-locking is buckled, the friction wheel that a pair of self-locking is buckled is clamped the fall way of cradling piece, and an adjusting screw 5 is set in self-locking speed-down mechanism, regulates the angle that the self-locking clip is lived fall way.
As shown in Figure 7, the utility model self-locking speed-down mechanism is by forming from snap close 1 and self-locking fixed block 2, on fixed tube, have slotted eye, self-locking speed-down mechanism is fixed on the fixed tube, fixing by screw pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, one screw is arranged on the self-locking fixed block, buckled screw pin in self-locking, the screw pin that self-locking is buckled cooperates with screw, one end of screw pin is fixing from snap close, the slotted eye that has on the corresponding fixed tube of snap close, the other end of screw pin passes the self-locking fixed block, on another termination of screw pin a knob is set.
As shown in Figure 8, the utility model self-locking speed-down mechanism is by forming from snap close 1 and self-locking fixed block 2, on fixed tube, have slotted eye, self-locking speed-down mechanism is fixed on the fixed tube, fixing by screw pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, one screw is arranged on the self-locking fixed block, buckled screw pin in self-locking, the screw pin that self-locking is buckled cooperates with screw, and an end of screw pin is fixing from snap close, the slotted eye that has on the corresponding fixed tube of snap close, the other end of screw pin passes the self-locking fixed block, on another termination of screw pin a knob is set, self-locking is buckled by the fixing pinch roller of pin, and the pinch roller correspondence the slotted eye on the fixed tube.
Claims (9)
1, a kind of self-locking deceleration screen mount bar, cradling piece is made up of fixed tube and fall way, fall way inserts in the fixed tube, it is characterized in that cradling piece is provided with self-locking speed-down mechanism, cradling piece passes self-locking speed-down mechanism, and self-locking speed-down mechanism is by forming from snap close and self-locking fixed block, on fixed tube, have slotted eye, self-locking speed-down mechanism is fixed on the fixed tube by the self-locking fixed block, and is fixing from snap close by pin on the self-locking fixed block of self-locking speed-down mechanism, can rotate around pin from snap close.
2, self-locking deceleration screen mount bar according to claim 1, it is characterized in that on fixed tube, having corresponding a plurality of slotted eye, fixing a plurality of by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, cradling piece passes between self-locking is smashed, the self-locking clip is lived the fall way of cradling piece, from the corresponding slotted eye that has on fixed tube of snap close.
3, self-locking deceleration screen mount bar according to claim 1, it is characterized in that on fixed tube, having two relative slotted eyes, fixing a pair of by pin on the self-locking fixed block of self-locking speed-down mechanism from snap close, cradling piece passes between a pair of self-locking is smashed, a pair of self-locking clip is lived the fall way of cradling piece, and is a pair of from corresponding relative two slotted eyes that have on fixed tube of snap close.
4, self-locking deceleration screen mount bar according to claim 1, it is characterized in that on the self-locking fixed block of self-locking speed-down mechanism fixing from snap close by screw pin, one screw is arranged on the self-locking fixed block, buckled screw pin in self-locking, the screw pin that self-locking is buckled cooperates with screw, one end of screw pin is fixing from snap close, and the other end of screw pin passes the self-locking fixed block, on another termination of screw pin a knob is set.
5, self-locking deceleration screen mount bar according to claim 1, it is characterized in that on the self-locking fixed block of self-locking speed-down mechanism fixing from snap close by screw pin, one screw is arranged on the self-locking fixed block, buckled screw pin in self-locking, the screw pin that self-locking is buckled cooperates with screw, and an end of screw pin is fixing from snap close, and the other end of screw pin passes the self-locking fixed block, on another termination of screw pin a knob is set, self-locking is buckled by the fixing pinch roller of pin.
6, self-locking deceleration screen mount bar according to claim 1, it is characterized in that on cradling piece, being provided with the lifting knob, fall way is provided with positioning hole, and the lifting knob is by lifting snap close, positioning seat, retaining spring and knob are formed, the lifting snap close is arranged in the positioning seat, and retaining spring is enclosed within on the lifting snap close, and knob is installed on the positioning seat, positioning seat is fixed on the cradling piece by nut, and the front end of lifting snap close is an arc surfaced.
7, self-locking deceleration screen mount bar according to claim 1 is characterized in that being provided with the connection bracket on fixed tube, link is set in fall way upper end links to each other with the screen upper end, and the link that is provided with on screen lower end and the fixed tube links to each other.
8, self-locking deceleration screen mount bar according to claim 1 is characterized in that in self-locking speed-down mechanism controlling device being set, and an adjusting screw is set in self-locking speed-down mechanism, and the termination of adjusting screw withstands on self-locking and buckles.
9, self-locking deceleration screen mount bar according to claim 1, it is characterized in that in self-locking speed-down mechanism, controlling device being set, one adjustable lever is set in self-locking speed-down mechanism, adjustable lever is fixed on self-locking and buckles, on the self-locking fixed block of self-locking speed-down mechanism a groove is arranged, adjustable lever passes the groove on the self-locking fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224085 CN2610209Y (en) | 2003-03-07 | 2003-03-07 | Self-lock type speed reducing screen trestle rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224085 CN2610209Y (en) | 2003-03-07 | 2003-03-07 | Self-lock type speed reducing screen trestle rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2610209Y true CN2610209Y (en) | 2004-04-07 |
Family
ID=34163182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03224085 Expired - Lifetime CN2610209Y (en) | 2003-03-07 | 2003-03-07 | Self-lock type speed reducing screen trestle rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2610209Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161804A (en) * | 2011-12-09 | 2013-06-19 | 上海德尔格医疗器械有限公司 | Telescopic support |
| CN107588272A (en) * | 2017-10-14 | 2018-01-16 | 江苏恒润波纹管有限公司 | A kind of fixing device of additional reinforcement connection bellows |
| CN108567469A (en) * | 2018-03-29 | 2018-09-25 | 安徽工程大学 | A kind of Minimally Invasive Surgery equipment |
| WO2021184926A1 (en) * | 2020-03-20 | 2021-09-23 | 深圳光峰科技股份有限公司 | Display device adjustment apparatus and projection device |
-
2003
- 2003-03-07 CN CN 03224085 patent/CN2610209Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161804A (en) * | 2011-12-09 | 2013-06-19 | 上海德尔格医疗器械有限公司 | Telescopic support |
| CN107588272A (en) * | 2017-10-14 | 2018-01-16 | 江苏恒润波纹管有限公司 | A kind of fixing device of additional reinforcement connection bellows |
| CN107588272B (en) * | 2017-10-14 | 2023-01-10 | 江苏恒润波纹管有限公司 | Fixing device for assisting in reinforcing and connecting corrugated pipe |
| CN108567469A (en) * | 2018-03-29 | 2018-09-25 | 安徽工程大学 | A kind of Minimally Invasive Surgery equipment |
| WO2021184926A1 (en) * | 2020-03-20 | 2021-09-23 | 深圳光峰科技股份有限公司 | Display device adjustment apparatus and projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130307 Granted publication date: 20040407 |