阅读说明：本技术 一种多用途可自锁快拆装置 (But multipurpose auto-lock quick detach device ) 是由 秦高历 刘浩然 江昱龙 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种多用途可自锁快拆装置,包括第一对接块,在第一对接块上沿其长度方向开设有一通孔,在该通孔内同轴设有一顶杆,所述顶杆的的长度大于该通孔的长度,其两端均能够从第一对接块的两端伸出；还包括第二对接块,在该第二对接块上开设有卡槽,在所述顶杆正对于该卡槽的一端设有一卡块,所述卡块能够插入该卡槽内,并且,当顶杆绕自身轴线旋转一定角度后,卡块能够与该卡槽卡接；在顶杆上套设有一弹簧,所述弹簧一端固定于第一对接块,另一端固定于顶杆,在弹簧的作用下卡块能够锁紧在该卡槽中；在所述第一对接块远离第二对接块的一端还设有辅助锁紧结构,该辅助锁紧结构能够在顶杆锁紧在所述卡槽内时,防止顶杆绕自身轴线转动。(The invention discloses a multipurpose self-locking quick-release device, which comprises a first butt joint block, wherein a through hole is formed in the first butt joint block along the length direction of the first butt joint block; the device also comprises a second butt joint block, a clamping groove is formed in the second butt joint block, a clamping block is arranged at one end, opposite to the clamping groove, of the ejector rod, the clamping block can be inserted into the clamping groove, and the clamping block can be clamped with the clamping groove after the ejector rod rotates around the axis of the ejector rod by a certain angle; a spring is sleeved on the ejector rod, one end of the spring is fixed to the first butt joint block, the other end of the spring is fixed to the ejector rod, and the clamping block can be locked in the clamping groove under the action of the spring; the end, far away from the second butt joint block, of the first butt joint block is further provided with an auxiliary locking structure, and the auxiliary locking structure can prevent the ejector rod from rotating around the axis of the ejector rod when the ejector rod is locked in the clamping groove.)

1. A multipurpose self-locking quick-release device is characterized by comprising a first butt joint block, wherein a through hole is formed in the first butt joint block along the length direction of the first butt joint block; the device also comprises a second butt joint block, a clamping groove is formed in the second butt joint block, a clamping block is arranged at one end, opposite to the clamping groove, of the ejector rod, the clamping block can be inserted into the clamping groove, and the clamping block can be clamped with the clamping groove after the ejector rod rotates around the axis of the ejector rod by a certain angle; a spring is sleeved on the ejector rod, one end of the spring is fixed to the first butt joint block, the other end of the spring is fixed to the ejector rod, and the clamping block can be locked in the clamping groove under the action of the spring; the end, far away from the second butt joint block, of the first butt joint block is further provided with an auxiliary locking structure, and the auxiliary locking structure can prevent the ejector rod from rotating around the axis of the ejector rod when the ejector rod is locked in the clamping groove.

2. The multipurpose self-locking quick-release device according to claim 1, wherein the auxiliary locking structure comprises an anti-rotation block fixedly arranged on the ejector rod and an anti-rotation block cover plate detachably arranged at one end of the first butt joint block away from the second butt joint block, a first sliding hole through which the ejector rod can pass is formed in the anti-rotation block cover plate, and the ejector rod can slide along the first sliding hole; the anti-rotation block cover plate is close to one side of the first butt joint block, an anti-rotation groove is further formed in the position of the corresponding anti-rotation block, the anti-rotation block can be embedded into the anti-rotation groove in the moving process towards the anti-rotation block cover plate, and the anti-rotation block can be limited to rotate around the axis of the ejector rod.

3. The multipurpose self-lockable quick release device according to claim 2, wherein the section of the rotation prevention block is polygonal, elliptical or toothed.

4. The multipurpose self-lockable quick release device according to claim 3, wherein the section of the anti-rotation block perpendicular to the axis of the jack rod is square.

5. The multipurpose self-locking and quick-dismantling device according to claim 3 and further characterized in that the notch of the anti-rotation groove is enlarged to form a transition slope between the through hole and the anti-rotation groove.

6. The multipurpose self-lockable quick release device as claimed in claim 2, wherein an annular spring seat plate is arranged in the through hole, a second slide hole through which the mandril can pass is formed in the spring seat plate, one end of the spring is fixedly connected with the spring seat plate, the other end of the spring is fixedly connected with the anti-rotation block, and the anti-rotation block is forced to be close to the anti-rotation block cover plate under the action of the spring.

7. The multipurpose self-lockable quick release device according to claim 6, wherein at least one guide projection is arranged on the outer edge of the fixture block around the circumference of the fixture block; the distance between the spring seat plate and one end, close to the clamping block, of the first butt joint block is larger than the thickness of the clamping block, so that a containing groove is formed at the end of the through hole, the containing groove can contain the clamping block to slide in, and a first sliding groove in sliding fit with the guide convex block is formed in the inner wall of the containing groove.

8. The multipurpose self-lockable quick release device according to claim 7, wherein the mandril, the clamping block and the anti-rotation block are integrally manufactured.

9. The multipurpose self-locking quick-release device according to claim 7, wherein a guide groove capable of being in sliding fit with the guide projection is formed on the inner wall of the clamping groove; a limiting groove capable of accommodating the guide lug to slide in is formed at the bottom of the clamping groove; the limiting groove is arc-shaped and is communicated with one side of the second sliding groove, when the clamping block rotates around the axis of the ejector rod, the guide convex block can slide into or slide out of the limiting groove from the second sliding groove, and the axial width of the limiting groove along the clamping groove is larger than that of the clamping block along the axial direction of the ejector rod.

10. The multipurpose self-locking quick-release device according to any one of claims 1 to 9, wherein the first butt block and the second butt block are rectangular, and a groove is formed in an end surface of the second butt block, which is close to the first butt block, and the groove can accommodate the first butt block to be inserted.

Technical Field

The invention relates to a quick-release structure of a portable probe, in particular to a multipurpose self-locking quick-release device.

Background

The existing quick connector is mostly of an elastic structure, when the quick connector is connected quickly, the elastic member can be bounced into the clamping groove to realize quick installation, but when the quick connector is detached, the elastic force of the spring needs to be overcome to disconnect the quick connector, and the quick connector is easy to extrude or rotate after being locked to fall off, is unreliable in connection and is inconvenient to use.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the utility model provides an on being used for the assembly of portable probe and extension rod, can realize portable probe and extension rod high-speed joint, can solve auto-lock and pivoted problem simultaneously.

In order to solve the technical problems, the invention adopts the following technical scheme:

a multipurpose self-locking quick-release device comprises a first butt joint block, wherein a through hole is formed in the first butt joint block along the length direction of the first butt joint block, a mandril is coaxially arranged in the through hole, the length of the mandril is greater than that of the through hole, and two ends of the mandril can extend out of two ends of the first butt joint block; the device also comprises a second butt joint block, a clamping groove is formed in the second butt joint block, a clamping block is arranged at one end, opposite to the clamping groove, of the ejector rod, the clamping block can be inserted into the clamping groove, and the clamping block can be clamped with the clamping groove after the ejector rod rotates around the axis of the ejector rod by a certain angle; a spring is sleeved on the ejector rod, one end of the spring is fixed to the first butt joint block, the other end of the spring is fixed to the ejector rod, and the clamping block can be locked in the clamping groove under the action of the spring; the end, far away from the second butt joint block, of the first butt joint block is further provided with an auxiliary locking structure, and the auxiliary locking structure can prevent the ejector rod from rotating around the axis of the ejector rod when the ejector rod is locked in the clamping groove.

Furthermore, the auxiliary locking structure comprises an anti-rotation block fixedly arranged on the ejector rod and an anti-rotation block cover plate detachably arranged at one end of the first butt joint block, which is far away from the second butt joint block, and a first sliding hole through which the ejector rod can pass is formed in the anti-rotation block cover plate, and the ejector rod can slide along the first sliding hole; the anti-rotation block cover plate is close to one side of the first butt joint block, an anti-rotation groove is further formed in the position of the corresponding anti-rotation block, the anti-rotation block can be embedded into the anti-rotation groove in the moving process towards the anti-rotation block cover plate, and the anti-rotation block can be limited to rotate around the axis of the ejector rod.

Furthermore, the section of the anti-rotation block is polygonal, elliptical or toothed.

Further, the section of the anti-rotation block perpendicular to the axis of the jack rod is square.

Furthermore, the notch of the anti-rotation groove is enlarged, so that a transition inclined plane is formed between the through hole and the anti-rotation groove.

Furthermore, an annular spring seat plate is arranged in the through hole, a second sliding hole through which the ejector rod can penetrate is formed in the spring seat plate, one end of the spring is fixedly connected with the spring seat plate, the other end of the spring is fixedly connected with the anti-rotation block, and under the action of the spring, the anti-rotation block is subjected to a force close to the anti-rotation block cover plate.

Furthermore, at least one guide convex block is arranged on the outer edge of the clamping block around the circumference of the clamping block; the distance between the spring seat plate and one end, close to the clamping block, of the first butt joint block is larger than the thickness of the clamping block, so that a containing groove is formed at the end of the through hole, the containing groove can contain the clamping block to slide in, and a first sliding groove in sliding fit with the guide convex block is formed in the inner wall of the containing groove.

Furthermore, the ejector rod, the clamping block and the anti-rotating block are integrally manufactured.

Furthermore, a guide groove capable of being in sliding fit with the guide lug is formed in the inner wall of the clamping groove; a limiting groove capable of accommodating the guide lug to slide in is formed at the bottom of the clamping groove; the limiting groove is arc-shaped and is communicated with one side of the second sliding groove, when the clamping block rotates around the axis of the ejector rod, the guide convex block can slide into or slide out of the limiting groove from the second sliding groove, and the axial width of the limiting groove along the clamping groove is larger than that of the clamping block along the axial direction of the ejector rod.

Furthermore, first butt joint piece and second butt joint piece are the cuboid, and set up flutedly on the second butt joint piece is close to the terminal surface of first butt joint piece, and this recess can hold first butt joint piece and insert.

Compared with the prior art, the invention has the beneficial effects that:

1. through the cooperation between the first butt joint piece that has the ejector pin and the second butt joint piece that has the draw-in groove, make first butt joint piece can be quick dock the installation with the second butt joint piece, after the installation, with in the fixture block on the ejector pin pushes the draw-in groove to rotate certain angle, be the fixture block joint in the draw-in groove, the rotation of ejector pin after the supplementary locking structure through on the first butt joint piece prevents to lock simultaneously, the effectual joint strength that has improved prevents unexpected disconnection, connect more firm safety.

2. Through the cooperation of preventing changeing the piece and preventing changeing the piece apron for when the fixture block on the ejector pin inserted the draw-in groove, the ejector pin can the free rotation, and the fixture block rotates the back that targets in place and lock, prevents that changeing the piece and stretches into the anti-rotating groove, prevents to prevent that the piece from driving the ejector pin and rotate, thereby better prevents that the ejector pin is unexpected to be rotated and makes first butt joint piece and second butt joint piece disconnection, connects more reliably, and the operation is more convenient and fast.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an assembly schematic of the present invention;

in the figure: 1 first butt joint piece, 2 second butt joint piece, 3 through-holes, 4 ejector pins, 5 springs, 6 draw-in grooves, 7 anti-rotation pieces, 8 anti-rotation piece cover plates, 9 first slide holes, 10 anti-rotation grooves, 11 transition inclined planes, 12 spring seat plates, 13 second slide holes, 14 fixture blocks, 15 guide convex blocks, 16 accommodating grooves, 17 first slide grooves, 18 second slide grooves, 19 limiting grooves and 20 grooves.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Example (b):

referring to fig. 1-3, a multipurpose self-locking and quick-release device comprises a first butt-joint block 1, wherein a through hole 3 is formed in the first butt-joint block 1 along the length direction of the first butt-joint block, a top rod 4 is coaxially arranged in the through hole 3, the length of the top rod 4 is greater than that of the through hole 3, and two ends of the top rod can extend out of two ends of the first butt-joint block 1; still include second butt joint piece 2, seted up draw-in groove 6 on this second butt joint piece 2 the ejector pin 4 is just being equipped with a fixture block 14 to the one end of this draw-in groove 6, fixture block 14 can insert in this draw-in groove 6 to, after ejector pin 4 rotated certain angle around self axis, fixture block 14 can with this draw-in groove 6 joint. First butt joint piece 1 and second butt joint piece 2 are the cuboid, and set up recess 20 on second butt joint piece 2 is close to the terminal surface of first butt joint piece 1, and this recess 20 can hold first butt joint piece 1 and insert. A guide groove which can be in sliding fit with the guide bump 15 is formed in the inner wall of the clamping groove 6; a limiting groove 19 capable of accommodating the guide bump 15 to slide in is formed at the bottom of the clamping groove 6; the limiting groove 19 is arc-shaped and is communicated with one side of the second sliding groove 18, when the clamping block 14 rotates around the axis of the ejector rod 4, the guide convex block 15 can slide into or slide out of the limiting groove 19 through the second sliding groove 18, and the axial width of the limiting groove 19 along the clamping groove 6 is larger than that of the clamping block 14 along the axial direction of the ejector rod 4. The spring 5 is sleeved on the ejector rod 4, the annular spring seat plate 12 is arranged in the through hole 3, the second sliding hole 13 through which the ejector rod 4 can penetrate is formed in the spring seat plate 12, one end of the spring 5 is fixedly connected with the spring seat plate 12, the other end of the spring is fixedly connected with the anti-rotation block 7, under the action of the spring 5, the anti-rotation block 7 is subjected to the force close to the anti-rotation block cover plate 8, and the clamping block 14 can be locked in the clamping groove 6 under the action of the spring 5. At least one guide convex block 15 is arranged around the periphery of the clamping block 14; the distance between the spring seat plate 12 and one end of the first butt joint block 1 close to the clamping block 14 is greater than the thickness of the clamping block 14, so that the through hole 3 forms an accommodating groove 16 at the end, the accommodating groove 16 can accommodate the clamping block 14 to slide in, and the inner wall of the accommodating groove 16 is provided with a first sliding groove 17 in sliding fit with the guide projection 15.

And an auxiliary locking structure is further arranged at one end, far away from the second butt joint block 2, of the first butt joint block 1, and the auxiliary locking structure can prevent the ejector rod 4 from rotating around the axis of the ejector rod 4 when the ejector rod 4 is locked in the clamping groove 6. The auxiliary locking structure comprises an anti-rotation block 7 fixedly arranged on the ejector rod 4 and an anti-rotation block cover plate 8 detachably arranged at one end, far away from the second butt joint block 2, of the first butt joint block 1, wherein the cross section of the anti-rotation block 7 is polygonal, elliptic or tooth-shaped, and specifically, the anti-rotation block is square. A first sliding hole 9 through which the ejector rod 4 can pass is formed in the anti-rotation block cover plate 8, and the ejector rod 4 can slide along the first sliding hole 9; prevent changeing a side that the piece apron 8 is close to first butt joint soon, the position that corresponds to prevent changeing piece 7 still is equipped with prevents changeing groove 10, prevents changeing piece 7 and removes the in-process towards preventing changeing a piece apron 8 direction, can imbed this prevent changeing in the groove 10, and can restrict to prevent changeing piece 7 and rotate around the axis of ejector pin 4.

In order to enable the anti-rotation block 7 to smoothly enter the anti-rotation groove 10 in the moving process, the notch of the anti-rotation groove 10 is enlarged, a transition inclined plane 11 is formed between the through hole 3 and the anti-rotation groove 10, so that the anti-rotation block 7 can automatically rotate by a certain angle through the transition inclined plane 11 and then slide into the anti-rotation groove 10, and the automatic positioning effect is achieved.

The mandril 4, the clamping block 14 and the anti-rotation block 7 are integrally manufactured.

According to the invention, through the matching between the first butt joint block with the ejector rod and the second butt joint block with the clamping groove, the first butt joint block can be quickly butt-jointed and installed with the second butt joint block, after installation, the clamping block on the ejector rod is pushed into the clamping groove and rotated for a certain angle, so that the clamping block is clamped in the clamping groove, and meanwhile, the rotation of the ejector rod after locking is prevented through the auxiliary locking structure on the first butt joint block, so that the connection strength is effectively improved, accidental disconnection is prevented, and connection is more stable and safe.

Through the cooperation of preventing changeing the piece and preventing changeing the piece apron for when the fixture block on the ejector pin inserted the draw-in groove, the ejector pin can the free rotation, and the fixture block rotates the back that targets in place and lock, prevents that changeing the piece and stretches into the anti-rotating groove, prevents to prevent that the piece from driving the ejector pin and rotate, thereby better prevents that the ejector pin is unexpected to be rotated and makes first butt joint piece and second butt joint piece disconnection, connects more reliably, and the operation is more convenient and fast.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.