CN213546150U

CN213546150U - Contact torsional spring that drops is prevented to quick divide-shut brake

Info

Publication number: CN213546150U
Application number: CN202022662570.0U
Authority: CN
Inventors: 吴钢; 周鹏; 叶坤; 郑前进; 吴汉峰
Original assignee: Zhejiang Yuanhua Spring Technology Co ltd
Current assignee: Zhejiang Yuanhua Spring Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-25
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a quick divide-shut brake prevents contact torsional spring that drops, its technical scheme main points are including integrated into one piece and lie in the left turn torsion spring body of same mounting groove, right turn torsion spring body and linking arm, left turn torsion spring body and dextrorotation torsional spring body set up respectively in the both sides of linking arm, left turn torsion spring body and dextrorotation torsional spring body form by the rotatory coiling of at least one spring coil, the one end that the linking arm was kept away from separately to left turn torsion spring body and dextrorotation torsional spring body has the spring arm that the mounting groove was worn out to the tip, the clearance has between the spring coil, with form whole axial elasticity, at least one spring arm tip is through the card end of bending type formation and mounting groove outer wall laminating, the problem that current contact torsional spring can drop from the pedestal under the drive of the brake body has been solved.

Description

Contact torsional spring that drops is prevented to quick divide-shut brake

Technical Field

The utility model relates to an elastic component field, more specifically the utility model relates to a quick divide-shut brake prevents contact torsional spring that drops that says so.

Background

As shown in figure 1, the rapid opening and closing brake is needed in the use of the circuit, the rapid opening and closing brake comprises a brake body, a seat body for the brake body to be inserted, and a contact torsion spring, wherein the contact torsion spring is positioned in an installation groove on the seat body, the contact torsion spring is clamped with the seat body, the contact torsion spring comprises a left torsion spring body, a right torsion spring body and a connecting arm which are integrally formed, the left torsion spring body and the right torsion spring body are respectively arranged at two sides of the connecting arm, the left torsion spring body and the right torsion spring body are respectively formed by rotatably winding at least one spring coil, one ends of the left torsion spring body and the right torsion spring body, which are respectively far away from the connecting arm, are provided with spring arms, gaps are formed among the spring coils to form integral axial elasticity, the brake body penetrates through the connecting arm and is clamped between the left torsion spring body and the right torsion spring body, the left torsion spring body and the right torsion spring body are respectively attached to the groove wall of the installation, the contact torsion spring is driven by the brake body to easily fall off from the mounting groove.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a prevent from the contact torsional spring that drops in the quick break-make floodgate.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a quick divide-shut brake prevents contact torsional spring that drops, including integrated into one piece and be located left side torsion spring body, right side torsion spring body and the linking arm of same mounting groove, left side torsion spring body and right-handed torsion spring body set up respectively in the both sides of linking arm, left side torsion spring body and right-handed torsion spring body form by the rotatory coiling of at least one spring coil, the one end that the linking arm was kept away from separately to left side torsion spring body and right-handed torsion spring body has the spring arm that the mounting groove was worn out to the tip, has the clearance between the spring coil to form whole axial elasticity, at least one the spring arm tip is through the card end of buckling formation and mounting groove outer wall laminating.

As a further improvement of the utility model, the axial elasticity that left-hand torsion spring body and dextrorotation torsion spring body formed is on a parallel with the length direction of card end.

As the utility model discloses a further improvement, two the spring arm is including the arm body that links to each other rather than the left-hand torsion spring body or the dextrorotation torsional spring body at place and the body of wearing that is used for linking together card end and arm body, the arm body is the contained angle setting with wearing the body.

As a further improvement of the utility model, the plane where the arm body and the wearing body are arranged is perpendicular to the length direction of the card end.

As a further improvement of the utility model, the left-hand torsion spring body and the right-hand torsion spring body both comprise connecting arms connected with the connecting arms, and the included angle between the connecting arms and the arm bodies is in the range from 71 degrees to 75 degrees.

As a further improvement of the present invention, the angle between the connecting arm and the arm body is 74 °.

As a further improvement of the utility model, the included angle between the arm body and the wearing body is 110 degrees.

The utility model has the advantages that: through the card end with at least one spring arm tip through bending type formation and mounting groove outer wall laminating, the spring arm forms a hook and colludes on the cell wall of mounting groove with the card end jointly, when making round trip alternate the motion as the relative mounting groove of floodgate body, the relative mounting groove outer wall of card end is fixed and makes the position of left turn spring body and right turn spring body keep static through the spring arm, so design compare prior art can prevent at the floodgate body in the motion process the utility model discloses come off in the mounting groove, improved the installation stability between the spare part.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a sectional view of the utility model when being installed in the installation groove.

Reference numerals: 1. a left torsion spring body; 2. a right torsion spring body; 3. a connecting arm; 4. a spring coil; 5. a spring arm; 51. an arm body; 52. a body is worn; 6. clamping the end; 7. an extension arm.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 3, the rapid opening and closing anti-drop contact torsion spring of the present embodiment includes a left-handed torsion spring body 1, a right-handed torsion spring body 2, and a connecting arm 3 that are integrally formed and located in the same mounting groove, the left-handed torsion spring body 1 and the right-handed torsion spring body 2 are respectively disposed on two sides of the connecting arm 3, each of the left-handed torsion spring body 1 and the right-handed torsion spring body 2 is formed by at least one coil 4 that is wound in a rotating manner, one end of each of the left-handed torsion spring body 1 and the right-handed torsion spring body 2, which is far away from the connecting arm 3, is provided with a spring arm 5, the end of which penetrates out of the mounting;

on current basis, 5 tip of at least one spring arm forms the card end 6 with the laminating of mounting groove outer wall through buckling, spring arm 5 forms a hook and colludes on the cell wall of mounting groove with card end 6 jointly, when making round trip alternate motion as the relative mounting groove of floodgate body, the relative mounting groove outer wall of card end 6 is fixed and makes the position of left-handed torsion spring body 1 and dextrorotation torsion spring body 2 keep static through spring arm 5, so design compare prior art can prevent at the floodgate body in the motion process the utility model discloses drop away in the mounting groove, improved the installation stability between the spare part.

As a specific embodiment of the improvement, referring to fig. 2, the axial elastic force formed by the left-handed torsion spring body 1 and the right-handed torsion spring body 2 is parallel to the length direction of the clamping end 6, so that compared with the design that the length direction of the clamping end 6 is inclined relative to the axial elastic force formed by the left-handed torsion spring body 1 and the right-handed torsion spring body 2, the hooking force of the clamping end 6 to the outer wall of the installation groove can be improved, the deformation amount of the clamping end 6 relative to the spring arm 5 is small, and the structural stability between the clamping end 6 and the spring arm 5 is indirectly improved.

As a modified specific embodiment, referring to fig. 2 and 3, two spring arms 5 comprise an arm body 51 connected with the left-handed torsion spring body 1 or the right-handed torsion spring body 2 where the two spring arms are located and a penetrating body 52 for connecting the clamping end 6 and the arm body 51 together, the arm body 51 and the penetrating body 52 are arranged at an included angle, preferably, the included angle between the arm body 51 and the penetrating body 52 is 110 °, the penetrating body 52 is used for being clamped in a hole on the upper surface of one groove wall of the mounting groove, the plane where the arm body 51 and the penetrating body 52 are located is arranged perpendicular to the length direction of the clamping end 6, the included angle between the clamping end 6 and the penetrating body 52 is 90 °, so that the clamping end 6 can be arranged at the position of the notch of the mounting groove, and the axial height of the left-handed torsion spring body 1 and the right-handed torsion spring body 2 is lower than the height of the clamping end 6, so that the stability of the left-handed torsion spring body 1 and the right-handed torsion spring body 2 relative to the brake body is further improved, and the left-handed torsion spring body 1 and the right-handed torsion spring body 2 are prevented from being separated from the mounting groove.

As an improved specific embodiment, referring to fig. 3, the left-handed torsion spring body 1 and the right-handed torsion spring body 2 both include an extension arm 7 connected to the connecting arm 3, and an included angle between the extension arm 7 and the arm 51 is in a range from 71 ° to 75 °, and preferably, the included angle between the extension arm 7 and the arm 51 is 74 °, and when the wearing body 52 is erected on the upper surface of the groove wall of the mounting groove, the extension arm 7 is inclined relative to the horizontal plane, so that the design improves the contact surface between the extension arm 7 and the brake body, which is beneficial to improving the clamping force of the brake body, and improves the state stability of the brake body.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick divide-shut brake prevents contact torsional spring that drops, including integrated into one piece and left turn spring body (1), dextrorotation torsional spring body (2) and linking arm (3) that are located same mounting groove, left side turn spring body (1) and dextrorotation torsional spring body (2) set up respectively in the both sides of linking arm (3), left side turn spring body (1) and dextrorotation torsional spring body (2) are formed by at least one spring ring (4) rotation coiling, the one end that linking arm (3) were kept away from separately to left side turn spring body (1) and dextrorotation torsional spring body (2) has spring arm (5) that the mounting groove was worn out to the tip, has the clearance between spring ring (4) to form whole axial elasticity, its characterized in that: at least one spring arm (5) tip becomes card end (6) with the laminating of mounting groove outer wall through buckling.

2. The rapid opening and closing contact anti-falling torsion spring according to claim 1, characterized in that: the axial elasticity formed by the left-hand torsion spring body (1) and the right-hand torsion spring body (2) is parallel to the length direction of the clamping end (6).

3. The rapid opening and closing contact anti-falling torsion spring according to claim 2, characterized in that: two spring arm (5) including with arm body (51) that left turn spring body (1) or dextrorotation torsional spring body (2) link to each other rather than the place with be used for wearing body (52) that card end (6) and arm body (51) link together, arm body (51) and wear body (52) and be the contained angle setting.

4. The rapid opening and closing contact anti-falling torsion spring according to claim 3, characterized in that: the plane of the arm body (51) and the penetrating body (52) is perpendicular to the length direction of the card end (6).

5. The rapid opening and closing contact falling-prevention torsion spring according to claim 4, characterized in that: the left-handed torsion spring body (1) and the right-handed torsion spring body (2) both comprise an extension arm (7) connected with the connecting arm (3), and an included angle between the extension arm (7) and the arm body (51) is in a range from 71 degrees to 75 degrees.

6. The rapid opening and closing contact falling-prevention torsion spring according to claim 5, characterized in that: the included angle between the extension arm (7) and the arm body (51) is 74 degrees.

7. The rapid opening and closing contact anti-falling torsion spring according to claim 3, characterized in that: the included angle between the arm body (51) and the penetrating body (52) is 110 degrees.