CN217814530U

CN217814530U - Push pin door hinge mechanism

Info

Publication number: CN217814530U
Application number: CN202220985137.7U
Authority: CN
Inventors: 赵国雍; 祝国伟; 张秋霞; 李磊
Original assignee: Beijing Wutian Technology Co ltd
Current assignee: Beijing Wutian Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-15
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a promote door-hinge mechanism, relate to aerospace vehicle spare part technical field, promote door-hinge mechanism and include first base, the torsional spring, second base and two conducting structure, first base and second base rotate to be connected, the both ends of torsional spring are articulated with first base and second base respectively, and the torsional spring is suitable for the relative second base of drive first base to expand, two conducting structure set up respectively in first base and second base, when the relative second base of first base expands to predetermineeing the angle, two conducting structure butt circular telegrams. The first base and the second base are driven to be unfolded through the torsion springs, the plate distance between the first base and the second base is small after the first base and the second base are folded, meanwhile, a contact signal feedback structure is adopted, the whole size is small, and the requirement of a large envelope space for an outer envelope related to a solar wing or a shading plate or an antenna structure cannot be met.

Description

Push pin door hinge mechanism

Technical Field

The utility model relates to a aerospace craft spare part technical field particularly, relates to a promote door-hinge mechanism.

Background

The aerospace craft has a plurality of folding structures, such as a sun wing, a shading plate, an antenna and the like, the folding structures are usually in a folding and folding state in the launching stage of the aerospace craft, and are unfolded after being in orbit, such as a sun wing, in the launching stage of the aerospace craft, the sun wing is usually folded and closed on the surface of a star body, and is unfolded after being in orbit, a sun wing hinge is used for connecting the star body and the sun wing, or connecting the sun wing and the sun wing, and the unfolding function of the sun wing is realized.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems set forth above.

In order to solve the problem, the utility model provides a promote door-hinge mechanism, including first base, torsional spring, second base and two conducting structure, first base with the second base rotates to be connected, the both ends of torsional spring respectively with first base with the second base is articulated, just the torsional spring is suitable for the drive first base is relative the second base expandes, two conducting structure set up respectively in first base with the second base works as first base is relative the second base expandes when predetermineeing the angle, two the conducting structure butt circular telegram.

Compared with the prior art, the utility model provides a pair of promote door hinge mechanism has but not be limited to following beneficial effect:

the first base and the second base can be respectively connected with a solar wing, the two solar wings can be folded and folded or unfolded through the pushing pin door shaft hinge mechanism, the torsion spring acts on the first base and the second base respectively, the torsion spring gives elasticity to the first base for unfolding relative to the second base, in the launching stage of the aerospace craft, after the two solar wings are folded and folded through the pushing pin door shaft hinge mechanism, the two solar wings can be pressed and fixed through an external pressing mechanism to be kept in a folded and folded state, after the two solar wings are guided into a track, the external pressing mechanism releases the two solar wings, at the moment, under the action of the torsion spring, the first base is unfolded to a preset angle relative to the second base, and after the angle is preset when the two solar wings are unfolded, the two conductive structures are just abutted to complete electrification, for example, the two conductive structures can be respectively connected with the positive electrode and the negative electrode of a power supply through cables, after the two conductive structures are abutted, circuits are conducted, signal feedback is carried out, and the situation that the solar wings are unfolded in place is known. Compare in traditional the hinge mechanism and adopt micro-gap switch to realize signal feedback, the utility model discloses the cost is lower, and the volume is less, and production cycle is shorter, realizes first base and second base drive through the torsional spring moreover and expandes, and first base and second base draw in the back between the two board interval less, adopt contact signal feedback's structure simultaneously, whole volume is less, can not have great envelope space requirement to the outer envelope of involving of sun wing or light screen or antenna structure.

Furthermore, the conductive structure comprises a mounting seat and copper sheets, the mounting seat is connected with the first base or the second base, the copper sheets are arranged on the mounting seat and provided with arc-shaped sections, the copper sheets are suitable for elastic deformation in the arc-shaped sections, when the first base is unfolded to the preset angle relative to the second base, the two mounting seats are abutted, and the two copper sheets are abutted at the arc-shaped sections.

Further, the first base includes interconnect's first base body and rotation cover, just rotate the cover with first base body level and smooth connection, the second base includes interconnect's second base body and axis body, it locates to rotate the cover the axis body, the torsional spring cover is located the axis body, the one end of torsional spring with first base body butt, the other end of torsional spring with second base body butt.

Further, the second base still includes fixed ear and snap ring, two fixed ears set up in on the second base body, the axis body is inserted and is located the axis body, two the snap ring joint in on the axis body and respectively the butt in two fixed ear with axial positioning the axis body, two torsional spring symmetric sleeve is located two fixed ear both sides on the axis body.

Further, the second base still includes the nut, two the nut respectively threaded connection in the both ends of axis body to prevent to correspond the torsional spring drops.

Further, the first base body with be provided with the bar groove on the second base body respectively, the both ends butt of torsional spring in corresponding in the bar groove.

Furthermore, the rotating sleeve is provided with a locking hole, the second base further comprises a telescopic structure, the telescopic structure is arranged on the second base body, and when the first base is unfolded to a preset angle relative to the second base, the telescopic structure is suitable for being extended and inserted into the locking hole so as to relatively fix the first base and the second base.

Furthermore, the telescopic structure comprises a guide sleeve, a push pin, a shift lever, a pressure spring and a plug pin, the guide sleeve is fixed on the second base body, the length direction of the guide sleeve is perpendicular to the shaft body, one end of the guide sleeve is plugged through the plug pin, the guide sleeve is provided with an axial through groove, the push pin is also arranged in the guide sleeve, the pressure spring is located between the plug pin and the push pin, the pressure spring is suitable for driving the push pin to extend out of the other end of the guide sleeve and to be inserted into the locking hole, and the shift lever penetrates through the axial through groove to be connected with the push pin.

Furthermore, a conical head is arranged at one end, far away from the pressure spring, of the push pin.

Furthermore, the guide sleeve is also provided with a circumferential through groove, the circumferential through groove is communicated with the circumferential through groove, and the shifting lever is suitable for being shifted into the circumferential through groove.

Drawings

Fig. 1 is a schematic block diagram of a fully deployed push pin door hinge mechanism at a first view of an embodiment of the invention;

fig. 2 is a schematic block diagram of a fully deployed push pin door hinge mechanism at a second perspective of an embodiment of the invention;

fig. 3 is a schematic side view of a push pin door hinge mechanism at a second perspective of an embodiment of the present invention fully deployed;

FIG. 4 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 3;

fig. 5 is a fully closed schematic block diagram of a push pin door hinge mechanism at a first viewing angle in accordance with an embodiment of the present invention.

Description of the reference numerals:

1. a first base; 11. a first base body; 12. rotating the sleeve; 121. a locking hole; 2. a second base; 21. a second base body; 22. a shaft body; 23. fixing the lug; 24. a snap ring; 25. a nut; 261. a guide sleeve; 2611. an axial through slot; 2612. a circumferential through groove; 262. a promotion; 263. a deflector rod; 264. compressing the spring; 265. plugging the nail; 3. a torsion spring; 4. a conductive structure; 41. a mounting seat; 42. a copper sheet; 43. a cable; 5. a strip-shaped groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

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.

Further, in the drawings, the Z-axis represents a vertical direction, that is, an up-down position, and a positive direction of the Z-axis (that is, an arrow direction of the Z-axis) represents an up direction, and a negative direction of the Z-axis (that is, a direction opposite to the positive direction of the Z-axis) represents a down direction; in the drawings, the X-axis represents the longitudinal direction, i.e., the front-rear position, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the front, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the rear; in the drawings, the Y-axis indicates the lateral, i.e., left-right, position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the left, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the right.

It should also be noted that the foregoing Z-axis, X-axis, and Y-axis are meant only to facilitate the description of the invention and to simplify the description, and are not meant to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Referring to fig. 1 to 2, the utility model provides a promote door hinge mechanism, including first base 1, torsional spring 3, second base 2 and two conducting structure 4, first base 1 with second base 2 rotates the connection, the both ends of torsional spring 3 respectively with first base 1 with second base 2 is articulated, just torsional spring 3 is suitable for the drive first base 1 is relative second base 2 expandes, two conducting structure 4 set up respectively in first base 1 with second base 2 works as first base 1 is relative when second base 2 expandes to predetermineeing the angle, two conducting structure 4 butt circular telegram.

In this embodiment, the first base 1 and the second base 2 may be respectively connected to a solar wing, and then the two solar wings are folded and folded or unfolded through the pushing pin door hinge mechanism, the torsion spring 3 acts on the first base 1 and the second base 2, the torsion spring 3 provides an elastic force for the first base 1 to unfold relative to the second base 2, in the launching phase of the aerospace vehicle, after the two solar wings are folded and folded through the pushing pin door hinge mechanism, the two solar wings may be pressed and fixed by an external pressing mechanism to be kept in a folded and folded state, and after entering the track, the external pressing mechanism releases the two solar wings, at this time, under the action of the torsion spring 3, the first base 1 is unfolded to a preset angle relative to the second base 2, and after the preset angle is unfolded, the two conductive structures 4 just abut against each other to complete energization, for example, the two conductive structures 4 may be connected to the positive and negative poles of a power supply through cables 43, and after the two conductive structures 4 abut against each other, the circuit is turned on, and signal feedback is performed, so that the situation that the solar wings are unfolded in place is known. Compare in traditional the hinge mechanism and adopt micro-gap switch to realize signal feedback, the utility model discloses the cost is lower, and the volume is less, and production cycle is shorter, realizes first base 1 and the drive of second base 2 through torsional spring 3 moreover and expandes, and first base 1 and second base 2 draw in back plate interval between the two less, adopt contact signal feedback's structure simultaneously, and whole volume is less, can not have great envelope space requirement to the outer envelope that solar wing or light screen or antenna structure related.

It should be noted that the preset angle is determined by the structural dimensions of the first base 1 and the second base 2, that is, when the first base 1 rotates and expands relative to the second base 2 until the first base 1 and the second base 2 reach the preset angle after interfering with each other, the preset angle may be 180 °.

Optionally, referring to fig. 5, the conductive structure 4 includes a mounting seat 41 and copper sheets 42, the mounting seat 41 is connected to the first base 1 or the second base 2, the copper sheets 42 are disposed on the mounting seat 41, the copper sheets 42 are disposed with arc-shaped sections, the copper sheets 42 are adapted to be elastically deformed in the arc-shaped sections, when the first base 1 is unfolded to the preset angle relative to the second base 2, two of the mounting seats 41 abut, and two of the copper sheets 42 abut at the arc-shaped sections.

Here, when the first base 1 and the second base 2 are unfolded to a preset angle, the first base body 11 abuts against the second base body 21, the two mounting seats 41 abut against each other, the two copper sheets 42 abut against each other at the arc-shaped section, the two copper sheets 42 abut against each other to realize power-on, the circuit is conducted, and signal feedback is performed.

Wherein, copper sheet 42 has the segmental arc, has elastic deformation ability, and the segmental arc is outside protruding, after avoiding presetting the angle when first base 1 and second base 2 expand, two copper sheets 42 do not connect. Secondly, after the hinge mechanism of the pushing and pushing door shaft is unfolded for a plurality of times, the copper sheet 42 with the arc-shaped section can still be in normal contact, and has certain strength and service life.

Optionally, referring to fig. 1 and 2, the first base 1 includes a first base body 11 and a rotating sleeve 12 that are connected to each other, and the rotating sleeve 12 is smoothly connected to the first base body 11, the second base 2 includes a second base body 21 and a shaft body 22 that are connected to each other, the rotating sleeve 12 is sleeved on the shaft body 22, the torsion spring 3 is sleeved on the shaft body 22, one end of the torsion spring 3 abuts against the first base body 11, and the other end of the torsion spring 3 abuts against the second base body 21.

Here, first base 1 specifically is through rotating the cover 12 cover in axis body 22, and then realize that first base 1 is connected with the rotation of second base 2, the axis body 22 is located to the torsional spring 3 cover, and both ends respectively the butt in first base body 11 and second base body 21, first base body 11 closes the back of drawing in relative second base body 21, the inter-plate distance between the two approximately equals torsional spring 3's diameter, compare in the form that traditional spiral spring drive expanded, use the sun wing in the space craft, back in light screen or the antenna structure, can not occupy great envelope space.

Optionally, referring to fig. 1 and 2, the second base 2 further includes two fixing lugs 23 and two snap rings 24, the two fixing lugs 23 are disposed on the second base body 21, the shaft body 22 is inserted into the shaft body 22, the two snap rings 24 are clamped on the shaft body 22 and respectively abut against the two fixing lugs 23 to axially position the shaft body 22, and the two torsion springs 3 are symmetrically sleeved on the shaft body 22 at two sides of the two fixing lugs 23.

Here, two fixed ear 23 bilateral symmetry set up on first base body 11, are provided with two ring groove on the axis body 22, and axis body 22 wears to locate two fixed ears 23 and makes two ring groove be located the position at two fixed ear 23 back of the body both ends mutually respectively along left right direction, then with 24 joints of snap ring in ring groove department, snap ring 24 just in time butt fixed ear 23 that corresponds, and then realize the installation of axis body 22, simple structure, it is convenient to install.

It should be noted that the number of the fixing lugs 23 and the number of the torsion springs 3 are not limited, and may be set more according to actual needs.

Optionally, referring to fig. 1 and 2, the second base 2 further includes nuts 25, and the two nuts 25 are respectively screwed to two ends of the shaft body 22 to prevent the corresponding torsion springs 3 from falling off.

Here, the nuts 25 are used for preventing the torsion springs 3 from falling off from the shaft body 22, specifically, after the two torsion springs 3 are sleeved on the two ends of the shaft body 22, the nuts 25 are tightly locked and screwed on the threads on the two ends of the shaft body 22, so as to axially position the torsion springs 3.

Optionally, referring to fig. 1, a strip-shaped groove 5 is respectively disposed on the first base body 11 and the second base body 21, and two ends of the torsion spring 3 abut against the corresponding strip-shaped grooves 5.

Here, it should be noted that, in fig. 1, the ends of the two torsion springs 3 close to each other should be placed in the strip-shaped groove 5 on the first base body 11, the ends of the two torsion springs 3 away from each other should be placed in the strip-shaped groove 5 on the second base body 21, and the axial movement of the torsion springs 3 is avoided by further positioning the axes of the torsion springs 3 through the strip-shaped grooves 5.

Optionally, referring to fig. 3 and 4, the rotating sleeve 12 is provided with a locking hole 121, and the second base 2 further includes a telescopic structure, which is provided on the second base body 21, and when the first base 1 is unfolded to a preset angle relative to the second base 2, the telescopic structure is adapted to be extended and inserted into the locking hole 121, so as to fix the first base 1 and the second base 2 relatively.

Here, as mentioned above, for example, the first base 1 and the second base 2 can be connected to a solar wing respectively, and then the two solar wings can be folded or unfolded by the push-pin door hinge mechanism, during the launching phase of the aerospace vehicle, after the two solar wings are folded and folded by the push-pin door hinge mechanism, the two solar wings can be pressed and fixed by an external pressing mechanism, and then after being unfolded in place, the hinge mechanism is unfolded and locked by the cooperation of the telescopic structure and the locking hole 121. Specifically, after the first base 1 is completely unfolded from the folded state, the telescopic structure automatically extends into the locking hole 121 of the rotating sleeve 12, so that the first base is locked after being unfolded in place without a locking gap, and the overall rigidity after being unfolded in place is improved.

Optionally, referring to fig. 3 and 4, the telescopic structure includes a guide sleeve 261, a push pin 262, a shift lever 263, a compression spring 264 and a plug pin 265, the guide sleeve 261 is fixed to the second base body 21, a length direction of the guide sleeve 261 is perpendicular to the shaft body 22, one end of the guide sleeve 261 is blocked by the plug pin 265, the guide sleeve 261 is provided with an axial through slot 2611, the push pin 262 and the compression spring 264 are disposed in the guide sleeve 261, the compression spring 264 is located between the plug pin 265 and the push pin 262, the compression spring 264 is adapted to drive the push pin 262 to extend out of the other end of the guide sleeve 261 and to be inserted into the locking hole 121, and the shift lever 263 passes through the axial through slot 2611 to be connected with the push pin 262.

Here, when assembling the telescopic structure, the push pin 262 may be inserted into the rear port of the guide sleeve 261, the compression spring 264 may be inserted into the rear port of the guide sleeve 261, and the plug pin 265 may be screwed into the rear port of the guide sleeve 261 to prevent the compression from being released, and then the shift lever 263 may be screwed into the push pin 262 after passing through the axial through groove 2611. In the process that the first base 1 is gradually unfolded, the push pin 262 is always driven to abut against the circumferential side wall of the rotating sleeve 12 through compression, when the first base is unfolded to a preset angle, the locking hole 121 is just aligned with the push pin 262, the front end of the push pin 262 is pressed into the locking hole 121 through the spring, locking after the first base is unfolded in place is achieved, when the first base needs to be folded, the shift lever 263 can be shifted backwards through the shift lever 263, and the front end of the push pin 262 is separated from the locking hole 121.

Optionally, a tapered head is arranged at one end of the push pin 262 far away from the compressed spring 264.

Here, the front end of the push pin 262 is provided with a tapered head to facilitate insertion into the locking hole 121.

Optionally, referring to fig. 1 and 3, said guiding sleeve 261 is further provided with a circumferential through slot 2612, said circumferential through slot 2612 is in communication with said circumferential through slot 2612, said shift rod 263 is adapted to rotate into said circumferential through slot 2612.

Here, the guiding sleeve 261 is further provided with a circumferential through groove 2612 and communicates with the axial through groove 2611, it being understood that the aforementioned axial through groove 2611 extends in the axial direction of the guiding sleeve 261, and the circumferential through groove 2612 extends in the circumferential direction of the guiding sleeve 261. In this manner, the plunger 263 is rotated such that the plunger 263 enters the circumferential channel 2612, thereby restraining the plunger from being held at a distance from the circumferential side wall of the rotating sleeve 12.

Finally, although the push-pull door hinge mechanism is applied to the sun wing as an example, the push-pull door hinge mechanism provided in this embodiment can be applied not only to the sun wing, but also to structures with folding functions such as an antenna and a shading plate, which are within the protection scope of the present disclosure.

The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Without departing from the spirit and scope of the present disclosure, those skilled in the art can make various changes and modifications, which will fall into the scope of the present disclosure.

Claims

1. The utility model provides a promote door-hinge mechanism, its characterized in that includes first base (1), torsional spring (3), second base (2) and two conducting structure (4), first base (1) with second base (2) rotate to be connected, the both ends of torsional spring (3) respectively with first base (1) with second base (2) are articulated, just torsional spring (3) are suitable for the drive first base (1) is relative second base (2) expand, two conducting structure (4) set up respectively in first base (1) with second base (2), work as first base (1) is relative when second base (2) expand to predetermineeing the angle, two conducting structure (4) butt circular telegram.

2. Push pin door shaft hinge mechanism according to claim 1, characterized in that the conductive structure (4) comprises a mounting seat (41) and a copper sheet (42), the mounting seat (41) being connected to the first base (1) or the second base (2), the copper sheet (42) being arranged at the mounting seat (41), the copper sheet (42) being provided with an arc-shaped section, the copper sheet (42) being adapted to be elastically deformed in the arc-shaped section, when the first base (1) is unfolded to the preset angle relative to the second base (2), two of the mounting seats (41) abut and two of the copper sheets (42) abut at the arc-shaped section.

3. The push pin door shaft hinge mechanism according to claim 1, wherein the first base (1) comprises a first base body (11) and a rotating sleeve (12) which are connected with each other, the rotating sleeve (12) is smoothly connected with the first base body (11), the second base (2) comprises a second base body (21) and a shaft body (22) which are connected with each other, the shaft body (22) is sleeved with the rotating sleeve (12), the shaft body (22) is sleeved with the torsion spring (3), one end of the torsion spring (3) is abutted against the first base body (11), and the other end of the torsion spring (3) is abutted against the second base body (21).

4. The pushing pin door hinge mechanism according to claim 3, wherein the second base (2) further comprises two fixing lugs (23) and two snap rings (24), the two fixing lugs (23) are disposed on the second base body (21), the shaft body (22) is inserted into the shaft body (22), the two snap rings (24) are clamped on the shaft body (22) and respectively abut against the two fixing lugs (23) to axially position the shaft body (22), and the two torsion springs (3) are symmetrically sleeved on the shaft body (22) on two sides of the two fixing lugs (23).

5. Push pin door shaft hinge mechanism according to claim 4, characterized in that the second base (2) further comprises nuts (25), both nuts (25) being threaded respectively at both ends of the shaft body (22) to prevent the corresponding torsion springs (3) from falling off.

6. The push pin door shaft hinge mechanism of claim 4, wherein a strip-shaped groove (5) is provided on each of the first base body (11) and the second base body (21), and both ends of the torsion spring (3) abut against in the corresponding strip-shaped groove (5).

7. Push pin door shaft hinge mechanism according to claim 3, characterized in that the rotating sleeve (12) is provided with a locking hole (121), the second base (2) further comprises a telescopic structure provided to the second base body (21) adapted to be extended and inserted into the locking hole (121) when the first base (1) is unfolded to a preset angle relative to the second base (2) to fix the first base (1) relative to the second base (2).

8. The push pin door shaft hinge mechanism according to claim 7, wherein the telescopic structure comprises a guide sleeve (261), a push pin (262), a push rod (263), a pressure spring (264) and a plug pin (265), the guide sleeve (261) is fixed to the second base body (21), the length direction of the guide sleeve (261) is perpendicular to the shaft body (22), one end of the guide sleeve (261) is blocked by the plug pin (265), the guide sleeve (261) is provided with an axial through groove (2611), the push pin (262) and the pressure spring (264) are arranged in the guide sleeve (261), the pressure spring (264) is located between the plug pin (265) and the push pin (262), the pressure spring (264) is suitable for driving the push pin (262) to extend out of the other end of the guide sleeve (261) and to be inserted into the locking hole (121), and the push rod (263) passes through the axial through groove (2611) to be connected with the push pin (262).

9. Push pin door shaft hinge mechanism according to claim 8, characterized in that the end of the push pin (262) remote from the compression spring (264) is provided with a conical head.

10. Push pin door shaft hinge mechanism according to claim 8, characterized in that the guiding sleeve (261) is further provided with a circumferential through slot (2612), the circumferential through slot (2612) communicating with the circumferential through slot (2612), the shift lever (263) being adapted to turn into the circumferential through slot (2612).