Manual steel ball locking device

Abstract

The utility model relates to the field of connectors, in particular to a manual steel ball locking device which comprises an upper connecting plate, a lower connecting plate, a connector male head and a connector female head and further comprises a locking assembly, the locking assembly comprises a locking seat, a steel ball, a locking shaft, a sleeve shaft, a rotating shaft and a locking steel ring, and the locking steel ring is arranged on the lower connecting plate in a penetrating mode. The locking shaft penetrates through the upper connecting plate and is provided with a ball pressing conical surface and a connecting groove, the steel ball is arranged in a positioning hole in the sleeve shaft and makes contact with the ball pressing conical surface, the rotating shaft is rotationally connected with the locking base, and a cotter pin is eccentrically arranged on the rotating shaft and is connected with the connecting groove in a clamped mode. Through the arrangement of the rotating shaft, the cotter pin, the locking shaft, the sleeve shaft, the steel ball and the locking steel ring, locking and loosening can be achieved by rotating the rotating shaft, meanwhile, in the locking state, a system composed of the rotating shaft, the cotter pin and the locking shaft can be self-locked, and therefore it is guaranteed that the locking shaft does not move autonomously.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a manual steel ball locking device. Background Art

[0002] In the field of industrial robotics, a large number of cables, oil pipes, water pipes, and gas lines require quick connection and disconnection, which requires practical connectors. However, existing connectors on the market generally use a lifting and pressing ball shaft, which is then locked by thread locking. However, the threads are easily deformed and damaged by long-term tension, making it difficult to separate. Other products use a lifting and pressing ball shaft, which is then rotated a certain angle to lock the clamping column into the slot. However, to prevent the clamping column from falling out of the slot, these products are generally provided with a secondary slot in the vertical direction. This requires the locking shaft to fall back a certain distance, which makes the locking effect poor.

[0003] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a manual steel ball locking device, which is achieved through the following technical solutions:

[0005] The locking mechanism is a pair of lockhole that is formed on a pair of locking plates, a bottom end of which is engaged with the locking plate and the bottom end of the lockhole, and the locking mechanism is a pair of lockhole that is formed on a pair of locking plates, a bottom end of which is engaged with the locking plate and the bottom end of the lockhole.

[0006] In the above technical solution: the upper connecting plate is used to set the male head of the connector; the lower connecting plate is used to set the female head of the connector; the locking assembly is used to fix the relative positions of the upper connecting plate and the lower connecting plate, so that the connection between the male head of the connector and the female head of the connector is firm; the locking seat is used to set the remaining components of the locking assembly, and to connect the locking assembly to the upper connecting plate; the steel ball is used to cooperate with the locking shaft, the sleeve shaft and the locking steel ring to achieve locking; the rotating shaft is used to control the up and down movement of the locking shaft, so that there is no need to manually lift and pull the pressure ball shaft, and it can lock by itself; the limiting arc surface is used to cooperate with the steel ball to achieve locking; the pressure ball conical surface is used to force the steel ball to move, so as to achieve locking; the positioning hole is used to ensure the position of the steel ball in contact with the limiting arc surface; the cotter pin is eccentrically arranged, so that the locking shaft can be moved up and down by rotating the rotating shaft.

[0007] The present invention is further configured such that the central axis of the rotating shaft is perpendicular to the central axis of the locking shaft.

[0008] In the above technical solution, the central axis of the rotating shaft is perpendicular to the central axis of the locking shaft, and the locking shaft can achieve self-locking when it is in the highest position and the lowest position.

[0009] The utility model is further configured as follows: the locking shaft includes a slotted shaft and a ball-pressing shaft, the slotted shaft is fixedly connected to the ball-pressing shaft, the slotted shaft is slidingly connected to the locking seat, and the connecting groove is arranged on the slotted shaft, and the ball-pressing conical surface is arranged on the ball-pressing shaft.

[0010] In the above technical solution: the arrangement of the slotted centering and ball pressing shaft makes installation easier and also facilitates the replacement of ball pressing shafts of different lengths, thereby being able to adapt to different plate spacings between the upper connecting plate and the lower connecting plate.

[0011] The utility model is further configured as follows: a mounting hole is eccentrically provided on the rotating shaft, the cotter pin is provided in the mounting hole, and a first spring is also provided in the mounting hole, one end of the first spring contacts the bottom of the mounting hole, and the other end contacts the cotter pin.

[0012] In the above technical solution: the mounting hole is used to set the first spring and the cotter pin; the first spring is used to ensure that the cotter pin can always be clamped in the connecting groove.

[0013] The present invention is further configured as follows: a limiting ring groove is further provided on the rotating shaft, a limiting cylinder is provided in the locking seat, and the limiting cylinder cooperates with the limiting ring groove.

[0014] In the above technical solution: the limiting ring groove and the limiting cylinder cooperate to limit the axial movement of the rotating shaft.

[0015] The present invention is further configured as follows: a handle is fixedly provided on one end of the rotating shaft away from the locking shaft.

[0016] In the above technical solution: the provision of the handle makes it more convenient to rotate the shaft.

[0017] The present invention is further configured as follows: a connecting groove is provided at one end of the rotating shaft away from the locking shaft.

[0018] In the above technical solution: the connecting groove is used to connect the ratchet wrench, so that the connecting shaft can be rotated in a narrow space.

[0019] The present invention is further configured as follows: a positioning pin is further provided on the lower connecting plate.

[0020] In the above technical solution: the positioning pin is used to limit the minimum relative distance between the upper connecting plate and the lower connecting plate.

[0021] The utility model discloses a manual steel ball locking device, compared with the prior art:

[0022] 1. The utility model provides a rotating shaft, a cotter pin, a locking shaft, a steel ball, and a locking steel ring, so that locking and releasing can be achieved by rotating the rotating shaft. At the same time, when locked, the system composed of the rotating shaft, cotter pin, and locking shaft can self-lock, thereby ensuring that the locking shaft position does not move independently, the locking is firm, and the structure is stable.

[0023] 2. The present invention also provides a handle and a wrench slot, so that the shaft can be rotated in a narrow space, thereby making the present invention suitable for installation and use in a narrow space. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 This is a cross-sectional view of the locking assembly of the present invention when locked (excluding the handle);

[0026] Figure 3 This is a cross-sectional view of the locking assembly of the present invention when it is unlocked (excluding the handle);

[0027] Figure 4 It is a three-dimensional diagram of the locking shaft of the utility model.

[0028] The corresponding component names represented by the numbers and letters in the figure are: 10-upper connecting plate; 20-lower connecting plate; 201-locating pin; 30-connector male head; 40-connector female head; 50-locking assembly; 501-locking seat; 501a-limiting cylinder; 502-steel ball; 503-locking shaft; 503a-slotted shaft; 503aa-connecting groove; 503b-ball pressure shaft; 503ba-ball pressure cone surface; 504-sleeve shaft; 504a-locating hole; 505-rotating shaft; 505a-mounting hole; 505b-limiting ring groove; 505c-wrench groove; 506-locking steel ring; 506a-limiting arc surface; 507-cotter pin; 508-first spring; 509-handle. DETAILED DESCRIPTION

[0029] The following is a detailed description of an embodiment of the present invention. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process. However, the protection scope of the present invention is not limited to the following embodiment.

[0030] like Figure 1-4As shown, a manual steel ball locking device proposed by the present invention includes an upper connecting plate 10 and a lower connecting plate 20, wherein the lower connecting plate 20 is provided with a plurality of connector male heads 30, and the upper connecting plate 10 is provided with a plurality of connector female heads 40, the position of the connector female heads 40 corresponds to the position of the connector male heads 30, and further includes a locking assembly 50, the locking assembly 50 includes a locking seat 501, a steel ball 502, a locking shaft 503, a sleeve shaft 504, a rotating shaft 505 and a locking steel ring 506, the locking steel ring 506 is provided on the lower connecting plate 20, and the locking steel ring 506 includes a limiting arc surface 506a, the The locking seat 501 is fixedly set on the upper connecting plate 10, the locking shaft 503 passes through the upper connecting plate 10, and the locking shaft 503 is provided with a ball pressure cone surface 503ba and a connecting groove 503aa, the sleeve shaft 504 is sleeved on the locking shaft 503, and the sleeve shaft 504 is provided with a plurality of positioning holes 504a, the steel ball 502 is set in the positioning hole 504a, and the steel ball 502 is in contact with the ball pressure cone surface 503ba, the rotating shaft 505 is rotatably connected to the locking seat 501, and an eccentrically arranged cotter pin 507 is provided on the rotating shaft 505, and the cotter pin 507 is engaged with the connecting groove 503aa. In which, a horizontal cavity and a vertical cavity are provided inside the locking seat 501, the horizontal cavity and the vertical cavity are connected, and the rotating shaft 505 is provided in the horizontal cavity, and the locking shaft 503 and the sleeve shaft 504 are provided in the vertical cavity; the number of the steel balls 502 is at least three, preferably, the number of the steel balls 502 is six, and they are evenly arranged; the number of the positioning holes 504a is also six; preferably, the inner wall surface of the positioning hole 504a is an arc surface, so that the steel balls 502 will not protrude outward from the positioning hole 504a, but will not fall out.

[0031] like Figure 1-4 As shown, in the manual steel ball locking device proposed by the present invention, the central axis of the rotating shaft 505 is perpendicular to the central axis of the locking shaft 503 .

[0032] like Figure 1-4As shown, the present invention provides a manual steel ball locking device. The locking shaft 503 includes a slotted shaft 503a and a ball-pressing shaft 503b. The slotted shaft 503a is fixedly connected to the ball-pressing shaft 503b. The slotted shaft 503a is slidably connected to the locking seat 501. The connecting groove 503aa is provided on the slotted shaft 503a, and the ball-pressing conical surface 503ba is provided on the ball-pressing shaft 503b. The sleeve shaft 504 is sleeved on the ball-pressing shaft 503b; the ball-pressing shaft 503b is also provided with an abutment step. A second spring is also provided within the sleeve shaft 504, with one end of the second spring contacting the sleeve shaft 504 and the other end contacting the abutment step.

[0033] like Figure 1-4 As shown, the present invention provides a manual steel ball locking device, wherein the rotating shaft 505 is eccentrically provided with a mounting hole 505a, the cotter pin 507 is disposed within the mounting hole 505a, and a first spring 508 is further disposed within the mounting hole 505a, one end of the first spring 508 being in contact with the bottom of the mounting hole 505a, and the other end being in contact with the cotter pin 507. The eccentric arrangement means that the central axis of the rotating shaft 505 is parallel to, but not overlapping with, the central axis of the mounting hole 505a; the cotter pin 507 is provided with an opening, and preferably, the first spring 508 is disposed within the opening.

[0034] like Figure 1-4 As shown, the present invention proposes a manual steel ball locking device, wherein the rotating shaft 505 is further provided with a limiting ring groove 505b, and the locking seat 501 is provided with a limiting cylinder 501a, which cooperates with the limiting ring groove 505b. Preferably, the limiting cylinder 501a is provided with a contact surface, which maintains contact with the inner side wall of the limiting ring groove 505b to improve the rotation stability of the rotating shaft 505.

[0035] like Figure 1-4 As shown, the present invention provides a manual steel ball locking device, wherein a handle 509 is fixedly provided at one end of the rotating shaft 505 away from the locking shaft 503 .

[0036] like Figure 1-4 As shown, the present invention proposes a manual steel ball locking device, wherein a wrench slot 505c is provided at one end of the rotating shaft 505 away from the locking shaft 503. The shape of the wrench slot 505c is adapted to the shape of the head of the ratchet wrench to be installed.

[0037] like Figure 1-4As shown, the manual steel ball locking device proposed by the present invention further includes a positioning pin 201 on the lower connecting plate 20. The positioning pin 201 is arranged perpendicular to the lower link plate.

[0038] The working principle of this utility model is:

[0039] a) When docking the male connector and the female connector;

[0040] b) Insert the sleeve shaft and the locking shaft together into the locking steel ring;

[0041] c) When locking is required;

[0042] d) rotating the shaft by turning the handle or by connecting the ratchet wrench to the wrench slot and turning the ratchet wrench;

[0043] e) The shaft rotates, driving the cotter pin to move in a circular motion;

[0044] f) thereby causing the locking pin to move upward;

[0045] g) The steel ball is forced to move until it protrudes from the positioning hole and completely contacts the inner wall of the positioning hole;

[0046] h) At this time, the steel ball contacts both the pressing cone surface and the limiting arc surface on the locking steel ring;

[0047] i) The locking steel ring is forced to move the lower connecting plate and the upper connecting plate closer together until the positioning pin contacts the upper connecting plate;

[0048] j) The cotter pin rotates to the highest position and stops, at which point the cotter pin and the locking shaft form a self-locking structure;

[0049] k) When unlocking is required;

[0050] l) Continue to rotate the shaft to move the locking shaft downward;

[0051] m) The steel ball falls back and does not protrude from the positioning hole. The sleeve shaft and the locking shaft can be pulled out of the locking steel ring together.

[0052] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and utility model concept of the present invention, should be covered by the protection scope of the present invention.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

Claims

1. A manual steel ball locking device, comprising an upper connecting plate (10) and a lower connecting plate (20), wherein the lower connecting plate (20) is provided with a plurality of connector male heads (30), and the upper connecting plate (10) is provided with a plurality of connector female heads (40), wherein the positions of the connector female heads (40) correspond to the positions of the connector male heads (30), and wherein: The invention also includes a locking assembly (50), wherein the locking assembly (50) includes a locking seat (501), a steel ball (502), a locking shaft (503), a sleeve shaft (504), a rotating shaft (505) and a locking steel ring (506), wherein the locking steel ring (506) is arranged on the lower connecting plate (20) and the locking steel ring (506) includes a limiting arc surface (506a), the locking seat (501) is fixedly arranged on the upper connecting plate (10), the locking shaft (503) passes through the upper connecting plate (10), and the locking shaft (503) is provided with a ball pressing conical surface. (503ba) and a connecting groove (503aa), the sleeve shaft (504) is sleeved on the locking shaft (503), and a plurality of positioning holes (504a) are provided on the sleeve shaft (504), the steel ball (502) is provided in the positioning hole (504a), and the steel ball (502) contacts the ball pressing conical surface (503ba), the rotating shaft (505) is rotatably connected to the locking seat (501), and a cotter pin (507) is eccentrically provided on the rotating shaft (505), and the cotter pin (507) is engaged with the connecting groove (503aa).

2. A manual steel ball locking device according to claim 1, characterized in that: The central axis of the rotating shaft (505) is perpendicular to the central axis of the locking shaft (503).

3. A manual steel ball locking device according to claim 2, characterized in that: The locking shaft (503) comprises a slotted shaft (503a) and a ball-pressing shaft (503b), wherein the slotted shaft (503a) is fixedly connected to the ball-pressing shaft (503b), the slotted shaft (503a) is slidably connected to the locking seat (501), and the connecting groove (503aa) is provided on the slotted shaft (503a), and the ball-pressing conical surface (503ba) is provided on the ball-pressing shaft (503b).

4. A manual steel ball locking device according to claim 1 or 3, characterized in that: A mounting hole (505a) is eccentrically provided on the rotating shaft (505), the cotter pin (507) is provided in the mounting hole (505a), and a first spring (508) is further provided in the mounting hole (505a), one end of the first spring (508) contacts the bottom of the mounting hole (505a), and the other end contacts the cotter pin (507).

5. A manual steel ball locking device according to claim 4, characterized in that: A limiting ring groove (505b) is also provided on the rotating shaft (505), and a limiting cylinder (501a) is provided in the locking seat (501), and the limiting cylinder (501a) and the limiting ring groove (505b) are matched.

6. A manual steel ball locking device according to claim 5, characterized in that: A handle (509) is fixedly provided on one end of the rotating shaft (505) away from the locking shaft (503).

7. A manual steel ball locking device according to claim 6, characterized in that: One end of the rotating shaft (505) away from the locking shaft (503) is provided with a wrench groove (505c).

8. The manual steel ball locking device according to claim 7, characterized in that: A positioning pin (201) is also provided on the lower connecting plate (20).

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