Quick release structure of photoelectric sensor

Abstract

The utility model discloses a quick release structure of a photoelectric sensor. The quick release structure comprises a mounting cylinder, a rotating groove formed in the inner side, close to the top, of the mounting cylinder, and a synchronous clamping assembly arranged in the rotating groove. The photoelectric sensor is clamped and installed on the inner side of the installation cylinder through the multiple clamping hinges, the position of the shifting rod is limited through the position limiting assembly, after the photoelectric sensor is located at the working position, the installation cylinder can achieve the protection effect, and the situation that the photoelectric sensor is damaged when the photoelectric sensor is subjected to external force or collision is avoided; the position limiting of the shifting rod is relieved, a worker only needs to shift the shifting rod with one hand, through cooperation of the shifting rod, the rotating ring, the rotating limiting assembly, the fixing blocks, the connecting rods and the clamping pieces, the clamping pieces can be driven to cancel enclosing clamping of the photoelectric sensor, then the photoelectric sensor is taken out from the inner side of the mounting cylinder, and quick disassembly is completed. The operation is simple, convenient and fast, so that the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a photoelectric sensor quick-release structure. Background Art

[0002] Photoelectric sensors are devices that detect the distance and presence of objects by using infrared light emitters and photoelectric receivers. Photoelectric measurement methods are flexible and diverse, and can measure a wide range of parameters. They also have the advantages of non-contact, high precision, high resolution, high reliability, and fast response, making photoelectric sensors widely used in the fields of detection and control.

[0003] The Chinese utility model patent with the patent number CN216898981U discloses a quick-release structure of a photoelectric sensor, including a mounting plate, a baffle and a clamping assembly provided on the mounting plate, a wire groove provided on the baffle, and two groups of clamping plates, one group of which is provided with two groups of first push rods on one side of the clamping plate, and the other group of which is provided with a second push rod on one side of the clamping plate, one group of which is provided with a first slide groove, and the other group of which is provided with two groups of second slide grooves, the two groups of the first push rods are respectively slidably clamped in the two groups of the second slide grooves, and the second push rods are slidably clamped in the first slide groove, one end of the two groups of the first push rods is provided with a first pressing plate, one end of the second push rod is provided with a second pressing plate, one side of the first pressing plate is provided with a group of reset springs, and one side of the second pressing plate is provided with two groups of reset springs, and one end of the reset springs is in contact with one group of the clamping plates. In order to solve the technical problem in the prior art that the photoelectric sensor is inconvenient to disassemble and assemble during testing, resulting in a decrease in work efficiency.

[0004] When the photoelectric sensor is installed in the working position through the quick-release structure, when the photoelectric sensor needs to be quickly removed, during the actual use of the device, the staff needs to use both hands to simultaneously drive the two sets of clamping plates to move in opposite directions to open them. Only after maintaining this state can the photoelectric sensor be taken out. The operation is not convenient and fast enough. At the same time, the photoelectric sensor clamped in the working position is in an exposed state. When subjected to external force or collision, it is very easy to cause damage. Therefore, the device still has some shortcomings. Summary of the invention

[0005] The utility model overcomes the shortcomings of the prior art and provides a photoelectric sensor quick-disassembly structure.

[0006] To achieve the above object, the technical solution adopted by the utility model is: a photoelectric sensor quick-release structure, comprising: a mounting tube, a rotation groove provided on the inner side of the mounting tube near the top, and a synchronous clamping assembly arranged inside the rotation groove;

[0007] The synchronous clamping assembly comprises: a rotating ring arranged inside the rotating groove, a plurality of clamping pages arranged inside the rotating ring, and a plurality of connecting rods arranged between the rotating ring and the plurality of clamping pages; a plurality of fixing blocks are fixed inside the rotating ring, one end of the connecting rod is hinged to one side of the fixing block, and the other end is hinged to one side of the clamping page;

[0008] A lever is fixed on the outside of the rotating ring, a rotation limiting assembly is arranged on the side of the rotating ring for limiting the rotation of the rotating ring when rotating, and a position limiting assembly is arranged on the top of the lever located on the outside of the mounting tube for limiting the position of the lever.

[0009] In a preferred embodiment of the utility model, the shape of the installation tube is a hollow cylinder, the inner side of the rotating groove is connected with the inner side of the installation tube, and the rotating groove and the rotating ring are both coaxially arranged with the installation tube.

[0010] In a preferred embodiment of the utility model, one side of the clamping page is hinged to the inner side of the rotating groove, and a plurality of the clamping pages are evenly distributed circumferentially on the inner side of the rotating ring and enclose a circle; the number and distribution of the fixing blocks and the connecting rods are the same as those of the clamping pages.

[0011] In a preferred embodiment of the utility model, the rotation limit assembly includes: a plurality of limit sliding grooves provided on the side of the rotating ring, and a plurality of clamping blocks fixed on the inner side of the rotating groove; the cross-sectional shape of the clamping block is convex, the side surface of the clamping block close to the top is slidably connected to the inner side of the limit sliding groove, and the side surface of the clamping block close to the bottom overlaps the side surface of the rotating ring.

[0012] In a preferred embodiment of the utility model, a rotation slot is provided on the side of the installation tube, and the side of the lever is slidably connected to the inner side of the rotation slot.

[0013] In a preferred embodiment of the utility model, the position limiting assembly includes: a movable groove opened at the top of the shift rod, a connecting groove opened on the inner side of the movable groove, and an L-shaped rod hinged on the inner side of the movable groove; a reset spring is fixed to the inner side of the movable groove, one end of the reset spring is fixed to one side of the L-shaped rod, a plurality of ratchet grooves are opened on the top of the mounting tube, a ratchet block is fixed to one end of the L-shaped rod, and the side surface of the ratchet block is clamped on the inner side of the ratchet groove.

[0014] In a preferred embodiment of the utility model, a plurality of the ratchet grooves are evenly distributed circumferentially on the top of the mounting tube, the width of the movable groove is greater than the width of the L-shaped rod, and the inclined ends of the ratchet groove and the ratchet block are both directed in the clockwise direction of the rotating ring.

[0015] In a preferred embodiment of the utility model, a shift block is fixed on the top of the L-shaped rod.

[0016] In a preferred embodiment of the utility model, a line groove is provided on the side of the installation tube close to the bottom, and the inner side of the line groove is connected with the inner side of the installation tube.

[0017] In a preferred embodiment of the utility model, a plurality of positioning blocks are fixed to the bottom of the installation tube, and connection holes are formed on the surfaces of the positioning blocks.

[0018] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0019] (1) The utility model provides a photoelectric sensor quick-release structure, which provides a synchronous clamping assembly inside a rotating groove, and a plurality of clamping pages clamp the photoelectric sensor and install it on the inner side of a mounting tube, and a position limiting assembly is used to limit the position of a lever. When the photoelectric sensor is in a working position, the mounting tube can provide protection to avoid damage to the photoelectric sensor when subjected to external force or collision, and when the photoelectric sensor is quickly removed, the position limit of the lever is released. The staff only needs to push the lever with one hand, and the lever, the rotating ring, the rotation limit assembly, the plurality of fixed blocks, the plurality of connecting rods and the clamping pages can be used to drive the plurality of clamping pages to cancel the enclosed clamping of the photoelectric sensor, and then the photoelectric sensor is taken out from the inner side of the mounting tube to complete the quick release. The operation is simple, convenient and fast, thereby improving practicality.

[0020] (2) In the utility model, a position limit assembly is provided at the top of the lever located on the outer side of the mounting tube. When the lever slides along the inner side of the rotating slide groove and drives the rotating ring to rotate counterclockwise to control a plurality of clamping pages to clamp the photoelectric sensor, since the inclined ends of the ratchet groove and the ratchet block are both directed in the clockwise direction of the rotating ring, the inclined end of the ratchet block will enter the inner side of the next ratchet groove along the inclined end of the ratchet groove. When the clamping is completed and the lever is located in a fixed position, the ratchet block will be engaged in the ratchet groove under the cooperation of the reset spring, the L-shaped rod and the ratchet block, and the right-angled sides will fit each other, limiting the clockwise movement direction of the lever along the rotating slide groove, thereby maintaining the clamping state of the photoelectric sensor. Only by cooperating with the lever block, the L-shaped rod can be driven to flip, so that the ratchet block is disengaged from the ratchet groove, and the limitation of the clockwise movement direction of the lever along the rotating slide groove is released, completing the subsequent quick release effect. The operation is simple and reliable, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0022] Figure 1It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0023] Figure 2 This is a half-section bottom view of the rotating groove of the preferred embodiment of the utility model;

[0024] Figure 3 It is a half-section front view structural diagram of the lever of the preferred embodiment of the utility model;

[0025] Figure 4 It is a structural diagram of the connection between the ratchet block and the ratchet groove of the preferred embodiment of the utility model;

[0026] In the figure: 1. mounting cylinder; 11. rotating groove; 2. rotating ring; 21. clamping page; 22. connecting rod; 23. fixing block; 24. shifting rod; 3. limiting slide groove; 31. clamping block; 4. rotating slide groove; 5. movable groove; 51. connecting groove; 52. L-shaped rod; 53. reset spring; 54. ratchet groove; 55. ratchet block; 6. shifting block; 7. line groove; 8. positioning block; 81. connecting hole. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0028] like Figure 1 and Figure 2 As shown, a photoelectric sensor quick-release structure comprises: a mounting tube 1, a rotation groove 11 provided on the inner side of the mounting tube 1 near the top, and a synchronous clamping assembly arranged inside the rotation groove 11.

[0029] The synchronous clamping assembly includes: a rotating ring 2 arranged on the inner side of the rotating groove 11, a plurality of clamping pages 21 arranged on the inner side of the rotating ring 2, and a plurality of connecting rods 22 arranged between the rotating ring 2 and the plurality of clamping pages 21; a plurality of fixed blocks 23 are fixed on the inner side of the rotating ring 2, one end of the connecting rod 22 is hinged to one side of the fixed block 23, and the other end is hinged to one side of the clamping page 21; a lever 24 is fixed to the outer side of the rotating ring 2, and a rotation limiting assembly for limiting the rotation of the rotating ring 2 when rotating is arranged on the side of the rotating ring 2, and a position limiting assembly for limiting the position of the lever 24 is arranged on the top of the lever 24 located on the outer side of the mounting tube 1.

[0030] It should be noted that the shape of the mounting tube 1 is a hollow cylinder, the inner side of the rotating groove 11 is connected to the inner side of the mounting tube 1, and the rotating groove 11 and the rotating ring 2 are coaxially arranged with the mounting tube 1; one side of the clamping page 21 is hinged to the inner side of the rotating groove 11, and a plurality of clamping pages 21 are evenly distributed on the inner side of the rotating ring 2 in the circumferential direction, and enclose a circle; the number and distribution of the fixing blocks 23 and the connecting rods 22 are the same as those of the clamping pages 21; after the photoelectric sensor is located on the inner side of the mounting tube 1, the lever 24 is moved to drive the rotating ring 2 to rotate counterclockwise (according to Figure 2 The rotation limiting assembly is used to limit the rotation of the rotating ring 2 during rotation. During rotation, the fixed blocks 23 on the inner side of the rotating ring 2 drive the connecting rod 22 hinged on one side to rotate synchronously, and at the same time drive the clamping pages 21 hinged on one end of the connecting rod 22 to turn inwards and enclose synchronously along the hinge point on the inner side of the rotating groove 11, so that the clamping pages 21 make point or surface contact with the side of the photoelectric sensor, and then the photoelectric sensor is clamped and installed on the inner side of the installation tube 1, and the lever 24 is completed in position by the position limiting assembly. When the photoelectric sensor is in the working position, the installation tube 1 can play a protective role to avoid damage to the photoelectric sensor when it is subjected to external force or collision. When the photoelectric sensor is quickly removed, the position limit of the lever 24 is released. The staff only needs to push the lever 24 with one hand. After the reverse movement, it can drive the clamping pages 21 to cancel the enclosed clamping of the photoelectric sensor, and then take the photoelectric sensor out from the inside of the installation tube 1 to complete the quick release. The operation is simple, convenient and fast, thereby improving practicality.

[0031] The rotation limit assembly includes: a plurality of limit slots 3 opened on the side of the rotating ring 2, and a plurality of clamping blocks 31 fixed on the inner side of the rotating slot 11; the cross-sectional shape of the clamping block 31 is convex, the side of the clamping block 31 close to the top is slidably connected to the inner side of the limit slot 3, and the side of the clamping block 31 close to the bottom overlaps the side of the rotating ring 2.

[0032] It should be noted that a number of limit grooves 3 are coaxially arranged with the rotating ring 2, and a number of limit grooves 3 are evenly distributed circumferentially on the surface of the rotating ring 2, and the number and distribution of the block 31 and the limit grooves 3 are the same; when the rotating ring 2 rotates, the limit grooves 3 on the surface of the rotating ring 2 will slide along the side of the block 31, thereby playing a role of rotation limitation when the rotating ring 2 rotates.

[0033] In some specific embodiments, the clamping page 21 is provided with anti-skid grooves on one side of the middle portion of the mounting tube 1 . The provision of the anti-skid grooves can improve the clamping effect of the clamping pages 21 on the photoelectric sensor.

[0034] In some specific embodiments, a rotating groove 4 is opened on the side of the mounting tube 1, and the side of the lever 24 is slidably connected to the inner side of the rotating groove 4; through the setting of the rotating groove 4, the lever 24 can play a role of limited sliding when the rotating ring 2 is rotated.

[0035] In some specific embodiments, a circuit groove 7 is opened on the side of the installation tube 1 near the bottom, and the inner side of the circuit groove 7 is connected with the inner side of the installation tube 1; through the setting of the circuit groove 7, when the photoelectric sensor is installed in the installation tube 1, the circuit at the bottom can pass through the circuit groove 7.

[0036] In some specific embodiments, a plurality of positioning blocks 8 are fixed to the bottom of the mounting tube 1, and a connecting hole 81 is opened on the surface of the positioning block 8; when the photoelectric sensor is installed in the mounting tube 1 and the photoelectric sensor needs to be installed at the desired working position, the plurality of positioning blocks 8 are aligned with the working position, and the connecting hole 81 is aligned with the through hole of the working position, and the whole is installed to a suitable working position through connecting parts such as bolts and screws.

[0037] like Figure 3 and Figure 4 As shown, the position limit assembly includes: a movable groove 5 opened on the top of the lever 24, a connecting groove 51 opened on the inner side of the movable groove 5, and an L-shaped rod 52 hinged on the inner side of the movable groove 5; a return spring 53 is fixed to the inner side of the movable groove 5, one end of the return spring 53 is fixed to one side of the L-shaped rod 52, a plurality of ratchet grooves 54 are opened on the top of the mounting tube 1, a ratchet block 55 is fixed to one end of the L-shaped rod 52, and the side of the ratchet block 55 is clamped on the inner side of the ratchet groove 54.

[0038] It should be noted that a plurality of ratchet grooves 54 are evenly distributed on the top of the mounting tube 1 in the circumferential direction, the width of the movable groove 5 is greater than the width of the L-shaped rod 52, and the inclined ends of the ratchet grooves 54 and the ratchet blocks 55 are both oriented in the clockwise direction of the rotating ring 2; when the lever 24 slides along the inner side of the rotating slide groove 4 and drives the rotating ring 2 to rotate counterclockwise to control a plurality of clamping pages 21 to clamp the photoelectric sensor, since the inclined ends of the ratchet grooves 54 and the ratchet blocks 55 are both oriented in the clockwise direction of the rotating ring 2 In the same manner as above, the inclined end of the ratchet block 55 will follow the inclined end of the ratchet groove 54 and enter the inner side of the next ratchet groove 54. When the clamping is completed and the lever 24 is located in a fixed position, due to the squeezing action of the reset spring 53, one side of the L-shaped rod 52 will fit the inner side of the movable groove 5, so that the ratchet block 55 will be engaged in the ratchet groove 54, and the right-angled sides will fit each other, limiting the clockwise movable direction of the lever 24 along the rotating slide groove 4, thereby maintaining the clamping state of the photoelectric sensor.

[0039] In some specific embodiments, a shift block 6 is fixed to the top of the L-shaped rod 52; through the setting of the shift block 6, the shift block 6 is shifted to drive the L-shaped rod 52 to flip, and the reset spring 53 is squeezed to make the ratchet block 55 disengage from the ratchet groove 54, thereby releasing the limit on the clockwise movement direction of the shift rod 24 along the rotating slide groove 4, completing the subsequent quick release effect, and the operation is simple and reliable, thereby improving convenience.

[0040] When the utility model is used, the photoelectric sensor is located inside the mounting tube 1, the circuit at the bottom is passed through the circuit groove 7, and the lever 24 is moved to drive the rotating ring 2 to rotate counterclockwise. Since the inclined ends of the ratchet groove 54 and the ratchet block 55 are both facing the clockwise direction of the rotating ring 2, the inclined end of the ratchet block 55 will enter the inner side of the next ratchet groove 54 along the inclined end of the ratchet groove 54, and at the same time, the limiting slide groove 3 on the surface of the rotating ring 2 will slide along the side of the clamping block 31, thereby playing the role of rotation limiting when the rotating ring 2 rotates. The fixed blocks 23 on the inner side of the rotating ring 2 will drive the connecting rod 22 hinged on one side to rotate synchronously, and at the same time drive the clamping pages 21 hinged on one end of the connecting rod 22 to turn inward synchronously along the hinge point on the inner side of the rotating groove 11, so that the clamping pages 21 make point or surface contact with the side of the photoelectric sensor, and then clamp the photoelectric sensor to the inner side of the mounting tube 1. When the clamping is completed and the lever 24 is in a fixed position, due to the squeezing action of the reset spring 53, one side of the L-shaped rod 52 will fit the movable The inner side of the movable groove 5 makes the ratchet block 55 engage in the ratchet groove 54, and the right-angled sides fit each other, limiting the clockwise moving direction of the lever 24 along the rotating slide groove 4, thereby maintaining the clamping state of the photoelectric sensor, and making a plurality of positioning blocks 8 face the working position, making the connecting hole 81 face the through hole of the working position, and through connecting parts such as bolts, screws, etc., the whole is installed to a suitable working position, and the installation tube 1 can play a protective effect to avoid damage to the photoelectric sensor when subjected to external force or collision. When the photoelectric sensor is quickly removed, the shifting block 6 is moved to cause the L-shaped rod 52 to flip and squeeze the reset spring 53, so that the ratchet block 55 is disengaged from the ratchet groove 54, thereby releasing the limit on the clockwise movement direction of the shifting rod 24 along the rotating slide groove 4. The staff only needs to shift the shifting rod 24 with one hand, and after the reverse movement, it can drive the clamping pages 21 to cancel the enclosed clamping of the photoelectric sensor, and then take the photoelectric sensor out from the inside of the installation tube 1 to complete the quick release. The operation is simple, convenient and fast, thereby improving practicality.

[0041] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A photoelectric sensor quick-release structure, characterized in that: include: A mounting tube (1), a rotation groove (11) provided on the inner side of the mounting tube (1) near the top, and a synchronous clamping assembly arranged inside the rotation groove (11); The synchronous clamping assembly comprises: a rotating ring (2) arranged inside the rotating groove (11), a plurality of clamping pages (21) arranged inside the rotating ring (2), and a plurality of connecting rods (22) arranged between the rotating ring (2) and the plurality of clamping pages (21); a plurality of fixing blocks (23) are fixed inside the rotating ring (2); one end of the connecting rod (22) is hinged to one side of the fixing block (23), and the other end is hinged to one side of the clamping page (21); A lever (24) is fixed on the outside of the rotating ring (2), a rotation limiting assembly for limiting the rotation of the rotating ring (2) when the rotating ring (2) rotates is arranged on the side of the rotating ring (2), and a position limiting assembly for limiting the position of the lever (24) is arranged on the top of the outside of the mounting tube (1).

2. The photoelectric sensor quick-release structure according to claim 1, characterized in that: The shape of the mounting tube (1) is a hollow cylinder, the inner side of the rotating groove (11) is connected to the inner side of the mounting tube (1), and the rotating groove (11) and the rotating ring (2) are both coaxially arranged with the mounting tube (1).

3. The photoelectric sensor quick-release structure according to claim 1, characterized in that: One side of the clamping page (21) is hinged to the inner side of the rotating groove (11); a plurality of the clamping pages (21) are evenly distributed circumferentially on the inner side of the rotating ring (2) and enclose a circle; the number and distribution of the fixing blocks (23) and the connecting rods (22) are the same as those of the clamping pages (21).

4. The photoelectric sensor quick-release structure according to claim 1, characterized in that: The rotation limiting assembly comprises: a plurality of limiting sliding grooves (3) provided on the side of the rotating ring (2), and a plurality of clamping blocks (31) fixed on the inner side of the rotating groove (11); the cross-sectional shape of the clamping block (31) is convex, the side surface of the clamping block (31) close to the top is slidably connected to the inner side of the limiting sliding groove (3), and the side surface of the clamping block (31) close to the bottom is overlapped with the side surface of the rotating ring (2).

5. The photoelectric sensor quick-release structure according to claim 1, characterized in that: A rotating slide groove (4) is provided on the side of the installation tube (1), and the side of the shifting rod (24) is slidably connected to the inner side of the rotating slide groove (4).

6. The photoelectric sensor quick-release structure according to claim 1, characterized in that: The position limiting assembly comprises: a movable groove (5) provided at the top of the shifting rod (24), a connecting groove (51) provided at the inner side of the movable groove (5), and an L-shaped rod (52) hinged at the inner side of the movable groove (5); a return spring (53) is fixed at the inner side of the movable groove (5), one end of the return spring (53) is fixed to one side of the L-shaped rod (52); a plurality of ratchet grooves (54) are provided at the top of the mounting tube (1), a ratchet block (55) is fixed at one end of the L-shaped rod (52), and the side surface of the ratchet block (55) is clamped at the inner side of the ratchet groove (54).

7. The photoelectric sensor quick-release structure according to claim 6, characterized in that: A plurality of ratchet grooves (54) are evenly distributed circumferentially on the top of the mounting tube (1); the width of the movable groove (5) is greater than the width of the L-shaped rod (52); and the inclined ends of the ratchet grooves (54) and the ratchet blocks (55) are both directed in the clockwise direction of the rotating ring (2).

8. The photoelectric sensor quick-release structure according to claim 6, characterized in that: A shift block (6) is fixed on the top of the L-shaped rod (52).

9. The photoelectric sensor quick-release structure according to claim 1, characterized in that: A line groove (7) is provided on the side surface of the installation tube (1) close to the bottom, and the inner side of the line groove (7) is connected to the inner side of the installation tube (1).

10. The photoelectric sensor quick-release structure according to claim 1, characterized in that: A plurality of positioning blocks (8) are fixed to the bottom of the installation cylinder (1), and connection holes (81) are provided on the surfaces of the positioning blocks (8).

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