CN210034153U - Pressing-rotating type multi-position hinge mechanism - Google Patents
Pressing-rotating type multi-position hinge mechanism Download PDFInfo
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- CN210034153U CN210034153U CN201920771332.8U CN201920771332U CN210034153U CN 210034153 U CN210034153 U CN 210034153U CN 201920771332 U CN201920771332 U CN 201920771332U CN 210034153 U CN210034153 U CN 210034153U
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Abstract
The utility model relates to a press rotary multi-clamping hinge mechanism, including setting gradually through rivet and through rivet riveted enclosing cover A, the cam, inner cup A, inner cup B, enclosing cover B, the mark dish, the positioning disk, the hand wheel, enclosing cover A, enclosing cover B rivet into the outer lid through the rivet, be used for leaning on the spring fixture block of cam, positioning disk periphery interval sets up a plurality of location notches, the hand wheel cover is established outside the positioning disk, the hand wheel inboard is provided with the fixture block with location notch complex, the hand wheel periphery sets up pointer portion in fixture block department, the periphery interval sets up a plurality of angle marks on the mark dish, each angle mark corresponds a location notch, the cam is the disk-like, set up a concave part on the cam, the concave part sets up the position and corresponds with the position that pointer portion locates; the notch is established to inner cup A, inner cup B periphery, and cam fixed mounting is in mark sleeve rear end, and cam sleeve front end is fixed with hand wheel connection, and cam sleeve front end cover is equipped with the pressure spring, and this stable in structure is reliable, reasonable in design, and it is convenient to adjust.
Description
Technical Field
The invention relates to a pressing-rotating type multi-clamping-position hinge mechanism.
Background
The double ladder is used as a common climbing tool in life of people, and meanwhile, the traditional double ladder has certain hidden danger. Adopt the activity hinge to connect among the traditional double ladder, when the double ladder opened certain angle, one kind does not have any fixed mode, takes place to skid easily for staff on the double ladder has great danger, and another kind is that fixed mode is complicated, reduces work efficiency. Therefore, the multi-clamping hinge is designed and used at the connection part of the herringbone ladder, the opening angle of the herringbone ladder can be fixed by utilizing the self-locking function of the mechanism, and meanwhile, the free conversion among a plurality of angles can be realized by adjusting the multi-clamping hinge, so that the multi-clamping hinge is particularly necessary for improving the operability and the safety of the herringbone ladder.
Disclosure of Invention
The invention provides a pressing-rotating type multi-clamping hinge mechanism.
The invention solves the technical problem by adopting the scheme that a press-rotating type multi-clamping hinge mechanism comprises an outer cover A, a cam, an inner cover A, an inner cover B, an outer cover B, a marking disc, a positioning disc and a hand wheel which are sequentially arranged and riveted by rivets, wherein the outer cover A and the outer cover B are riveted into an outer cover body by the rivets;
the rivet is sleeved with a cam sleeve, and the cam sleeve is sleeved with a marking sleeve;
the outer cover B is sleeved on the marking sleeve, the inner cover B is fixedly installed at the rear end of the marking sleeve, notches are axially formed in the peripheral sides of the front end of the marking sleeve, inner convex portions which are contained in the notches are formed in the peripheral sides of inner holes of the marking disc and the positioning disc, a plurality of positioning notches are formed in the periphery of the positioning disc at intervals, the hand wheel is sleeved outside the positioning disc, a clamping block which is matched with the positioning notches is arranged on the inner side of the hand wheel, a pointer portion is formed in the periphery of the hand wheel at the clamping block, a plurality of angle marks are formed in the periphery of the;
the cam is disc-shaped, a concave part is arranged on the cam, and the arrangement position of the concave part corresponds to the position of the pointer part;
a plurality of notches used for being clamped with the spring clamping blocks are arranged at the periphery of the inner cover A and the inner cover B at intervals, and each notch corresponds to one positioning notch;
the inner cup A is sleeved on the cam sleeve, the cam is fixedly installed at the rear end of the marking sleeve, the front end of the cam sleeve is fixedly connected with the hand wheel, a pressure spring is sleeved at the front end of the cam sleeve, one end of the pressure spring abuts against the hand wheel, and the other end of the pressure spring abuts against the positioning disc.
Furthermore, the spring clamping block comprises a sliding clamping block and a sleeve piece sleeved outside the sliding clamping block, a spring is arranged in the sleeve piece, one end of the spring is connected with or abutted against the sleeve piece, and the other end of the spring is connected with or abutted against the inner end of the sliding clamping block.
Furthermore, the inner cover B and the marking sleeve are connected through a mortise and tenon structure, the hand wheel and the cam are connected with the cam sleeve through a mortise and tenon structure, tenons are arranged at the rear end of the marking sleeve and at the front end and the rear end of the cam sleeve, and mortises are formed in inner holes of the inner cover B, the hand wheel and the cam.
Further, a baffle plate A is arranged on the outer side of the outer cover A, a baffle plate B is arranged on the outer side of the hand wheel, and the baffle plate A and the baffle plate B are sleeved at two ends of the rivet.
Further, the small shaft part at the rear end of the rivet is sleeved with a shaft sleeve, the shaft sleeve is a stepped shaft sleeve with a large front part and a small rear part, the outer cover A is sleeved at the rear part of the shaft sleeve, the front end of the shaft sleeve abuts against the cam, and the rear end of the shaft sleeve abuts against the baffle A.
Furthermore, the cam sleeve is a stepped sleeve with a large front part and a small rear part, and the marking sleeve is sleeved at the rear part of the cam sleeve.
Furthermore, spacing rings are arranged between the marking disc and the outer cover B as well as between the marking disc and the positioning disc, and the spacing rings are sleeved on the marking sleeve.
Furthermore, the marking disc is provided with angle marks of 0 degree, 45 degrees, 120 degrees and 180 degrees respectively, and the angle marks represent the size of an included angle between the connecting arm A and the connecting arm B.
Compared with the prior art, the invention has the following beneficial effects: stable in structure is reliable, reasonable in design, and it is convenient to adjust.
Drawings
The invention is further described with reference to the following figures.
FIG. 1 is a schematic structural view of the mechanism;
FIG. 2 is a structural sectional view of the mechanism;
FIG. 3 is a schematic view of a fitting structure of a spring clamping block with a cam, an inner cover A and an inner cover B;
fig. 4 is an exploded view of the mechanism with the rivet and the outer cover removed.
In the figure: 1-linker arm A; 2-linker arm B; 3-a spring clamping block; 301-a sliding cartridge; 302-a spring; 303-a kit; 4-riveting; 5-baffle B; 6-hand wheel; 7-a marking disk; 8-positioning plate; 9-spacer ring; 10-a pressure spring; 11-outer cover B; 12-inner lid B; 13-inner cap A; 14-a cam; 15-outer cover A; 16-shaft sleeve; 17-baffle a; 18-a cam sleeve; 19-a marker sleeve; 20-angle marking; 21-a positioning notch; 22-a recess; 23-a positioning notch; 24-a fixture block; 25-pointer part.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-4, a press-screwing type multi-clamping hinge mechanism comprises an outer cover A, a cam, an inner cover A, an inner cover B, an outer cover B, a marking disc, a positioning disc and a hand wheel which are sequentially arranged and riveted by rivets, wherein the outer cover A and the outer cover B are riveted into an outer cover body by the rivets;
the rivet is sleeved with a cam sleeve, and the cam sleeve is sleeved with a marking sleeve;
the outer cover B is sleeved on the marking sleeve, the inner cover B is fixedly installed at the rear end of the marking sleeve, notches are axially formed in the peripheral sides of the front end of the marking sleeve, inner convex portions which are contained in the notches are formed in the peripheral sides of inner holes of the marking disc and the positioning disc, a plurality of positioning notches are formed in the periphery of the positioning disc at intervals, the hand wheel is sleeved outside the positioning disc, a clamping block which is matched with the positioning notches is arranged on the inner side of the hand wheel, a pointer portion is formed in the periphery of the hand wheel at the clamping block, a plurality of angle marks are formed in the periphery of the;
the cam is disc-shaped, a concave part is arranged on the cam, the arrangement position of the concave part corresponds to the position of the pointer part, and the corresponding situation means that the pointer part of the hand wheel always points to the concave part;
a plurality of notches used for being clamped with the spring clamping blocks are arranged at the periphery of the inner cover A and the inner cover B at intervals, and each notch corresponds to one positioning notch;
the inner cup A is sleeved on the cam sleeve, the cam is fixedly installed at the rear end of the marking sleeve, the front end of the cam sleeve is fixedly connected with the hand wheel, a pressure spring is sleeved at the front end of the cam sleeve, one end of the pressure spring abuts against the hand wheel, and the other end of the pressure spring abuts against the positioning disc.
In this embodiment, the spring clip includes a sliding clip and a sleeve member sleeved outside the sliding clip, a spring is disposed in the sleeve member, one end of the spring is connected to or abutted against the sleeve member, the other end of the spring is connected to or abutted against the inner end of the sliding clip, and the sleeve member is locked in the connecting arm a by a screw.
In this embodiment, inner cup B, mark sleeve pass through mortise and tenon structure and connect, and hand wheel, cam all pass through mortise and tenon structure and cam sleeve connection, and both ends are provided with the tenon around mark sleeve rear end, the cam sleeve, and the hole of inner cup B, hand wheel, cam is provided with the tongue-and-groove.
In this embodiment, the outer side of the outer cover a is provided with a baffle a, the outer side of the hand wheel is provided with a baffle B, and the baffle a and the baffle B are sleeved at two ends of the rivet.
In this embodiment, the small shaft portion at the rear end of the rivet is sleeved with a shaft sleeve, the shaft sleeve is a stepped shaft sleeve with a large front portion and a small rear portion, the outer cover a is sleeved at the rear portion of the shaft sleeve, the front end of the shaft sleeve abuts against the cam, and the rear end of the shaft sleeve abuts against the baffle plate a.
In this embodiment, the cam sleeve is a stepped sleeve with a large front portion and a small rear portion, and the marking sleeve is sleeved on the rear portion of the cam sleeve.
In this embodiment, the spacing rings are disposed between the marking plate and the outer cover B, and between the marking plate and the positioning plate, and the spacing rings are sleeved on the marking sleeve.
In the embodiment, the marking disc is provided with angle marks of 0 degree, 45 degrees, 120 degrees and 180 degrees respectively, and the angle marks represent the size of an included angle between the connecting arm A and the connecting arm B.
When the required angle is adjusted, the hand wheel is pressed backwards, the hand wheel moves backwards to separate a clamping block on the hand wheel from a positioning notch at the outer end of the positioning disc, the hand wheel is rotated to drive the cam shaft sleeve to rotate, and the sliding outer ends of the cam are ejected out of notches of the inner cover A and the inner cover B;
the hand wheel is rotated to set a target angle, then the hand wheel is loosened, the hand wheel moves forwards and resets under the action of a pressure spring, a clamping block on the hand wheel is embedded into a positioning notch at the outer end of the positioning disc, at the moment, the outer end of the sliding block is not embedded into notches at the outer ends of the inner cover A and the inner cover B, the hand wheel is rotated again, a hand wheel belt wheel cam sleeve and a marking sleeve rotate together, the cam, the inner cover A, the inner cover B, the marking disc, the positioning disc and the hand wheel rotate together, the included angle between the connecting arm A and the connecting arm B can be changed by moving, after the target angle is reached, the outer end of the sliding block is located in a notch of the cam, the sliding block moves outwards under.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a pressure revolves formula many screens the hinge mechanism which characterized in that: the device comprises an outer cover A, a cam, an inner cover A, an inner cover B, an outer cover B, a marking disc, a positioning disc and a hand wheel which are sequentially arranged and riveted by rivets, wherein the outer cover A and the outer cover B are riveted by the rivets to form an outer cover body;
the rivet is sleeved with a cam sleeve, and the cam sleeve is sleeved with a marking sleeve;
the outer cover B is sleeved on the marking sleeve, the inner cover B is fixedly installed at the rear end of the marking sleeve, notches are axially formed in the peripheral sides of the front end of the marking sleeve, inner convex portions which are contained in the notches are formed in the peripheral sides of inner holes of the marking disc and the positioning disc, a plurality of positioning notches are formed in the periphery of the positioning disc at intervals, the hand wheel is sleeved outside the positioning disc, a clamping block which is matched with the positioning notches is arranged on the inner side of the hand wheel, a pointer portion is formed in the periphery of the hand wheel at the clamping block, a plurality of angle marks are formed in the periphery of the;
the cam is disc-shaped, a concave part is arranged on the cam, and the arrangement position of the concave part corresponds to the position of the pointer part;
a plurality of notches used for being clamped with the spring clamping blocks are arranged at the periphery of the inner cover A and the inner cover B at intervals, and each notch corresponds to one positioning notch;
the inner cup A is sleeved on the cam sleeve, the cam is fixedly installed at the rear end of the marking sleeve, the front end of the cam sleeve is fixedly connected with the hand wheel, a pressure spring is sleeved at the front end of the cam sleeve, one end of the pressure spring abuts against the hand wheel, and the other end of the pressure spring abuts against the positioning disc.
2. A thumb-operated multi-detent hinge mechanism according to claim 1, further comprising: the spring clamping block comprises a sliding clamping block and a sleeve part sleeved outside the sliding clamping block, a spring is arranged in the sleeve part, one end of the spring is connected with or abutted against the sleeve part, and the other end of the spring is connected with or abutted against the inner end of the sliding clamping block.
3. A thumb-operated multi-detent hinge mechanism according to claim 1, further comprising: inner cup B, mark sleeve pass through mortise and tenon joint structural connection, and hand wheel, cam all pass through mortise and tenon joint structural connection with cam sleeve, and both ends are provided with the tenon around mark sleeve rear end, the cam sleeve, and the hole of inner cup B, hand wheel, cam is provided with the tongue-and-groove.
4. The press-turn multi-detent hinge mechanism of claim 3, wherein: a baffle A is arranged on the outer side of the outer cover A, a baffle B is arranged on the outer side of the hand wheel, and the baffle A and the baffle B are sleeved at two ends of the rivet.
5. The press-turn multi-detent hinge mechanism of claim 4, wherein: the small shaft part at the rear end of the rivet is sleeved with a shaft sleeve, the shaft sleeve is a stepped shaft sleeve with a large front part and a small rear part, the outer cover A is sleeved at the rear part of the shaft sleeve, the front end of the shaft sleeve abuts against the cam, and the rear end of the shaft sleeve abuts against the baffle A.
6. A thumb-operated multi-detent hinge mechanism according to claim 1, further comprising: the cam sleeve is a stepped sleeve with a large front part and a small rear part, and the marking sleeve is sleeved at the rear part of the cam sleeve.
7. The press-turn multi-detent hinge mechanism of claim 3, wherein: and spacing rings are arranged between the marking disc and the outer cover B as well as between the marking disc and the positioning disc, and are sleeved on the marking sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771332.8U CN210034153U (en) | 2019-05-27 | 2019-05-27 | Pressing-rotating type multi-position hinge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771332.8U CN210034153U (en) | 2019-05-27 | 2019-05-27 | Pressing-rotating type multi-position hinge mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034153U true CN210034153U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920771332.8U Active CN210034153U (en) | 2019-05-27 | 2019-05-27 | Pressing-rotating type multi-position hinge mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN210034153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030256A (en) * | 2019-05-27 | 2019-07-19 | 福州大学 | The more detent linkages of pressure-rotary and its detent method |
-
2019
- 2019-05-27 CN CN201920771332.8U patent/CN210034153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030256A (en) * | 2019-05-27 | 2019-07-19 | 福州大学 | The more detent linkages of pressure-rotary and its detent method |
| CN110030256B (en) * | 2019-05-27 | 2024-01-30 | 福州大学 | Pressure-rotation type multi-clamping-position hinge mechanism and clamping method thereof |
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