CN216487325U - Damping assembled constant force telescoping device - Google Patents
Damping assembled constant force telescoping device Download PDFInfo
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- CN216487325U CN216487325U CN202123370723.5U CN202123370723U CN216487325U CN 216487325 U CN216487325 U CN 216487325U CN 202123370723 U CN202123370723 U CN 202123370723U CN 216487325 U CN216487325 U CN 216487325U
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Abstract
The utility model discloses a damping assembled constant force telescoping device, which comprises a constant force positioning mechanism, a damping positioning mechanism, a positioning shell component and a main support frame, wherein the positioning shell component comprises a shell and a shell cover arranged on the shell; the damping positioning mechanism comprises a rotary damper, the rotary damper is connected to the upper end of the front part of the shell through a damper positioning support, and the pull rope is connected to the rotary damper in a winding mode and then connected with the main support frame. A damper positioning lug is arranged on the front inner side of the lower part of the shell; the damper positioning support comprises an inverted U-shaped supporting plate, the two sides of the inverted U-shaped supporting plate are connected with third extending plate parts, and the rotary damper is connected in the inverted U-shaped supporting plate. Whole telescoping device assembly is simple, stable in structure, and flexible effectual, the security is high.
Description
Technical Field
The utility model relates to a flexible mechanical structure field, concretely relates to damping assembled constant force telescoping device.
Background
To telescopic bracket or lifting support, generally can use clockwork spring or constant force spring structure, through clockwork spring's forward resilience force itself, reach the balance of the power when the mechanism is flexible to make telescopic structure or lifting structure reach a certain position after, make and be in certain balanced state. However, the volume of the existing clockwork spring is too large, the clockwork spring is inconvenient to use, unbalance is easy to occur, and the rebound force of the clockwork spring is reduced along with the increase of the service time of the clockwork spring because the clockwork spring always belongs to a straightening or contracting state.
Moreover, when a constant force spring or a spiral spring is used, because the elastic force is directly transmitted to the pull rope through the spring, when the constant force spring structure is lifted or stretched, the situation of quick lifting or quick stretching is easy to occur, and the stability is poor when the constant force spring structure is lifted or stretched. And the constant force spring structure for the telescopic bracket or the lifting bracket in the prior art has unstable assembly of the shell structure and complex structure and is difficult to install.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a damping assembled constant force telescoping device, whole telescoping device assembly is simple, stable in structure, and flexible effectual, the security is high.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a damping assembly type constant force telescopic device comprises a constant force positioning mechanism, a damping positioning mechanism, a positioning shell assembly and a main support frame, wherein the positioning shell assembly comprises a shell and a shell cover arranged on the shell;
the damping positioning mechanism comprises a rotary damper, the rotary damper is connected to the upper end of the front part of the shell through a damper positioning support, and the pull rope is connected to the rotary damper in a winding mode and then connected with the main support frame.
Preferably, the shell is a rectangular shell with an opening at the upper part, and the inner side of the left upper end part and the inner side of the right upper end part of the shell are both provided with a first positioning groove;
the cap includes well main board portion, and the both sides of well main board portion link there is the joint board portion, and joint board portion joint is connected with the casing through a set screw behind in first positioning groove.
Preferably, the constant force spring assembly comprises a constant force coil spring and a balance rotating wheel, a first spring positioning shaft rod is arranged in the constant force coil spring, and the end part of the first spring positioning shaft rod is connected with a first shaft rod positioning block;
a second rotating wheel positioning shaft rod is arranged in the balance rotating wheel, a rotating wheel bearing is arranged between the second rotating wheel positioning shaft rod and the balance rotating wheel, and a second shaft rod positioning block is connected to the end portion of the second rotating wheel positioning shaft rod.
Preferably, the left inner side of the lower part of the shell and the right inner side of the lower part of the shell are both provided with spring positioning lugs for positioning the constant force spring assembly;
a first semicircular positioning groove is formed in the front part of the spring positioning lug, and a second semicircular positioning groove is formed in the rear part of the spring positioning lug;
the first shaft rod positioning block and the second shaft rod positioning block are both in a cylindrical block shape;
the first shaft rod positioning block is clamped in the first semicircular positioning groove and then positioned through the first pressing fixing shell;
and the second shaft lever positioning block is clamped in the second semicircular positioning groove and then positioned by the second pressing fixing shell.
Preferably, the first pressing fixing shell comprises a first arc-shaped shell plate part and first extension plate parts connected to two sides of the first arc-shaped shell plate part, and the first extension plate parts are connected with the spring positioning protruding blocks through screws.
Preferably, the second compresses tightly the set casing and includes second arc shell plate portion and connect the second extension board portion in second arc shell plate portion both sides, and the second extends the board portion and passes through the screw and be connected with spring positioning lug.
Preferably, a damper positioning lug is arranged on the front inner side of the lower part of the shell;
the damper positioning bracket comprises an inverted U-shaped supporting plate, third extending plate parts are connected to two sides of the inverted U-shaped supporting plate, and the rotary damper is connected into the inverted U-shaped supporting plate;
the rotary damper comprises a damping concave wheel and a damping gear assembly arranged in the damping concave wheel, and the pull rope is wound in a groove of the damping concave wheel.
Preferably, the main support frame comprises a base and a main support rod connected to the base, a first blind hole is formed in the upper end face of the main support rod, a positioning cap is spirally connected in the first blind hole, a pull rope positioning support rod is arranged in the first blind hole below the positioning cap, a support rod notch is formed in the main support rod at the rear side of the pull rope positioning support rod, and the pull rope penetrates through the support rod notch and then is connected with the pull rope positioning support rod.
Preferably, the primary struts are decagonally prism-shaped rods; the middle part of the rear end face of the shell is provided with a shell notch, the cross section of the shell notch is in an isosceles trapezoid shape, and the shell notch is clamped on three edge faces of the main supporting rod.
The beneficial effects of the utility model are that:
among the above-mentioned damping assembled constant force telescoping device, be provided with the constant force positioning mechanism that can conveniently assemble, the both ends of constant force positioning mechanism are fixed a position through connecting at the axostylus axostyle locating piece, are provided with the location shell subassembly of novel structure simultaneously, and the cap in the location shell subassembly is the design of pull formula, has guaranteed promptly under the circumstances of simple to operate nature, has still improved the seal. The shell of the positioning shell component is provided with the bump, so that the positioning and connecting constant-force positioning mechanism can be more conveniently positioned and connected. The utility model discloses in be provided with damping positioning mechanism, the stay cord passes through damping positioning mechanism's buffering, when the constant force telescoping device stretches out and draws back, can more reliable and stable carry out flexible location. The whole telescopic device is simple to assemble, stable in structure, good in lifting or telescopic effect and high in safety.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a partially exploded view of a damping fabricated constant force retractor.
Fig. 2 is an exploded view of the whole structure of the damping assembly type constant force telescopic device.
Detailed Description
The utility model provides a damping assembled constant force telescoping device, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings:
with reference to fig. 1 and 2, a damping assembly type constant force telescopic device includes a constant force positioning mechanism 1, a damping positioning mechanism 2, a positioning shell assembly 3 and a main support frame 4. The positioning shell assembly 3 comprises a shell 31 and a shell cover 32 arranged on the shell 31, the constant force positioning mechanism 1 comprises a constant force spring assembly 11 and a pull rope 12 connected to the constant force spring assembly 11, and the end part of the constant force spring assembly 11 is connected with the side part of the shell 31 through a first pressing assembly.
The damping positioning mechanism 2 comprises a rotary damper 21, the rotary damper 21 is connected to the upper end of the front part of the shell 31 through a damper positioning bracket 22, and the pull rope 12 is wound on the rotary damper 21 and then connected with the main support frame 4.
The housing 31 is a rectangular case with an upper opening, and the inner side of the upper left end and the inner side of the upper right end of the housing 31 are both provided with a first positioning groove 33.
The shell cover 32 includes well mainboard portion 321, and the both sides of well mainboard portion 321 even have joint board portion 322, and joint board portion 322 joint is connected with shell 32 through first set screw in first positioning groove 33 back.
The constant force spring assembly 11 includes a constant force coil spring 111 and a balance wheel 112, a first spring positioning shaft 113 is disposed in the constant force coil spring 111, and a first shaft positioning block 114 is connected to an end of the first spring positioning shaft 113.
A second wheel positioning shaft 115 is arranged in the balance wheel 112, a wheel bearing is arranged between the second wheel positioning shaft 115 and the balance wheel 112, and a second shaft positioning block 116 is connected to an end of the second wheel positioning shaft 115.
The left inner side of the lower portion and the right inner side of the lower portion of the housing 31 are provided with spring positioning projections 311 for positioning the constant force spring assembly 11.
A first semicircular positioning groove 312 is provided on the front portion of the spring positioning projection 311, and a second semicircular positioning groove 313 is provided on the rear portion of the spring positioning projection 311.
The first shaft rod positioning block 114 and the second shaft rod positioning block 116 are both in a cylindrical block shape; after the first shaft rod positioning block 114 is clamped in the first semicircular positioning groove 312, the first shaft rod positioning block is positioned by the first pressing fixing shell 314; the second shaft rod positioning block 116 is clamped in the second semicircular positioning groove 313 and then positioned by the second pressing fixing shell 315.
The first pressing fixing shell 314 includes a first arc-shaped shell plate portion and a first extension plate portion connected to both sides of the first arc-shaped shell plate portion, and the first extension plate portion is connected to the spring positioning protrusion 311 through a screw. The second pressing fixing case 315 includes a second arc-shaped case plate portion and a second extension plate portion connected to both sides of the second arc-shaped case plate portion, and the second extension plate portion is connected to the spring positioning protrusion 311 through a screw.
A damper positioning lug 34 is arranged on the front inner side of the lower part of the shell 31; the damper positioning bracket 22 includes an inverted U-shaped supporting plate, both sides of the inverted U-shaped supporting plate are connected with third extension plate portions, and the rotary damper 21 is connected in the inverted U-shaped supporting plate. The rotary damper 21 comprises a damping concave wheel and a damping gear assembly arranged in the damping concave wheel, and the pull rope 12 is wound in a groove of the damping concave wheel.
The main support frame 4 comprises a base 41 and a main support rod 42 connected to the base 41, a first blind hole 43 is formed in the upper end face of the main support rod 42, a positioning cap 44 is spirally connected in the first blind hole 43, a pull rope positioning support rod 45 is arranged in the first blind hole 43 below the positioning cap 44, a support rod notch 46 is formed in the main support rod at the rear side of the pull rope positioning support rod 45, and the pull rope 12 is connected with the pull rope positioning support rod 45 after passing through the support rod notch 46.
The primary struts 42 are decagonally prism-shaped rods; casing notch 47 has been seted up at the middle part of the rear end face of casing 31, and casing notch 47's cross section is isosceles trapezoid shape, and casing notch 47 joint is on the three faceted pebble of main tributary pole 42.
Example 2
Among the above-mentioned damping assembled constant force telescoping device, be provided with the constant force positioning mechanism that can conveniently assemble, the both ends of constant force positioning mechanism are fixed a position through connecting at the axostylus axostyle locating piece, are provided with the location shell subassembly of novel structure simultaneously, and the cap in the location shell subassembly is the design of pull formula, has guaranteed promptly under the circumstances of simple to operate nature, has still improved the seal. The shell of the positioning shell component is provided with the bump, so that the positioning and connecting constant-force positioning mechanism can be more conveniently positioned and connected. The utility model discloses in be provided with damping positioning mechanism, the stay cord passes through damping positioning mechanism's buffering, when the constant force telescoping device stretches out and draws back, can more reliable and stable carry out flexible location. The whole telescopic device is simple to assemble, stable in structure, good in lifting or telescopic effect and high in safety.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (9)
1. A damping assembly type constant force telescopic device is characterized by comprising a constant force positioning mechanism, a damping positioning mechanism, a positioning shell assembly and a main support frame, wherein the positioning shell assembly comprises a shell and a shell cover arranged on the shell;
the damping positioning mechanism comprises a rotary damper, the rotary damper is connected to the upper end of the front part of the shell through a damper positioning support, and the pull rope is connected to the rotary damper in a winding mode and then connected with the main support frame.
2. The damping assembly type constant-force telescopic device as claimed in claim 1, wherein the housing is a rectangular housing with an upper opening, and the inner sides of the left upper end part and the right upper end part of the housing are provided with first positioning grooves;
the cap includes well main board portion, and the both sides of well main board portion link there is the joint board portion, and joint board portion joint is connected with the casing through a set screw behind in first positioning groove.
3. The damping assembly type constant force expansion device according to claim 2, wherein the constant force spring assembly comprises a constant force coil spring and a balance rotating wheel, a first spring positioning shaft rod is arranged in the constant force coil spring, and a first shaft rod positioning block is connected with the end part of the first spring positioning shaft rod;
a second rotating wheel positioning shaft rod is arranged in the balance rotating wheel, a rotating wheel bearing is arranged between the second rotating wheel positioning shaft rod and the balance rotating wheel, and a second shaft rod positioning block is connected to the end portion of the second rotating wheel positioning shaft rod.
4. The damping assembly type constant force telescopic device according to claim 3, wherein the left inner side of the lower part of the shell and the right inner side of the lower part of the shell are provided with spring positioning lugs for positioning the constant force spring assembly;
a first semicircular positioning groove is formed in the front part of the spring positioning lug, and a second semicircular positioning groove is formed in the rear part of the spring positioning lug;
the first shaft rod positioning block and the second shaft rod positioning block are both in a cylindrical block shape, and the first pressing assembly comprises a first pressing fixing shell and a second pressing fixing shell;
the first shaft rod positioning block is clamped in the first semicircular positioning groove and then positioned through the first pressing fixing shell;
and the second shaft lever positioning block is clamped in the second semicircular positioning groove and then positioned by the second pressing fixing shell.
5. The damping assembled constant force telescoping device of claim 4, wherein the first hold-down stationary housing comprises a first arc-shaped housing plate portion and a first extension plate portion connected to both sides of the first arc-shaped housing plate portion, and the first extension plate portion is connected to the spring positioning protrusion through a screw.
6. The damped assembled constant force expansion device of claim 4, wherein said second compression set shell comprises a second arc-shaped shell plate portion and a second extension plate portion connected to both sides of said second arc-shaped shell plate portion, said second extension plate portion is connected to said spring positioning protrusion by means of screws.
7. The damping assembly type constant force telescopic device according to claim 1, wherein a damper positioning lug is arranged on the front inner side of the lower part of the shell;
the damper positioning support comprises an inverted U-shaped supporting plate, third extending plate parts are connected to two sides of the inverted U-shaped supporting plate, and the rotary damper is connected into the inverted U-shaped supporting plate;
the rotary damper comprises a damping concave wheel and a damping gear assembly arranged in the damping concave wheel, and the pull rope is wound in a groove of the damping concave wheel.
8. The damping assembly type constant-force telescopic device as claimed in claim 1, wherein the main support frame comprises a base and a main support rod connected to the base, a first blind hole is formed in an upper end surface of the main support rod, a positioning cap is spirally connected in the first blind hole, a pull rope positioning support rod is arranged in the first blind hole below the positioning cap, a support rod notch is formed in the main support rod at the rear side of the pull rope positioning support rod, and the pull rope penetrates through the support rod notch and then is connected with the pull rope positioning support rod.
9. The damped fabricated constant force retractor device of claim 8 wherein said primary struts are decagonally prism shaped rods; the casing notch has been seted up at the middle part of the rear end face of casing, and the transversal isosceles trapezoid shape of personally submitting of casing notch, casing notch joint are on the three faceted pebble of main tributary pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370723.5U CN216487325U (en) | 2021-12-29 | 2021-12-29 | Damping assembled constant force telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370723.5U CN216487325U (en) | 2021-12-29 | 2021-12-29 | Damping assembled constant force telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487325U true CN216487325U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123370723.5U Active CN216487325U (en) | 2021-12-29 | 2021-12-29 | Damping assembled constant force telescoping device |
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| Country | Link |
|---|---|
| CN (1) | CN216487325U (en) |
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2021
- 2021-12-29 CN CN202123370723.5U patent/CN216487325U/en active Active
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