High-sealing electric lock pin device arranged in series

Abstract

The utility model discloses a high-sealing electric lock pin device arranged in series. The high-sealing electric lock pin device comprises a lock pin assembly and a lock pin shell. The lock pin assembly comprises a lead screw, a nut and a pin rod, the nut is arranged on the lead screw in a sleeving mode and meshed with the lead screw in a threaded mode, the nut is fixed in the pin rod, an annular boss is arranged on the outer side of the pin rod, and sliding blocks are fixed to the two sides of the annular boss; a lock pin channel is formed in the lock pin shell, the lock pin channel penetrates through the interior of the lock pin shell, and a sliding way is formed in the position, located on the inner side wall of the lock pin channel, of the lock pin shell. The pin rod is arranged in the lock pin channel of the lock pin shell in a penetrating mode, the sliding block is arranged in the sliding way in a sliding mode, the arrangement space of the device is reduced through serial arrangement, the middle speed change process is reduced through the arrangement mode, and the mechanical efficiency and the transmission precision are both improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lock pins, in particular to a high-sealing electric lock pin device arranged in series. Background Art

[0002] Tandem electric locking pins are mechatronic products that directly connect an electric motor and a lead screw to achieve linear motion. Compared to traditional hydraulic and pneumatic systems, tandem electric locking pins offer advantages such as fast response, high control precision, strong environmental adaptability, low energy consumption, and easy maintenance. They are widely used in industrial automation, aerospace, automotive manufacturing, medical equipment, and other fields. As an alternative, electric locking pins offer comparable force and speed to hydraulic or pneumatic systems while offering greater controllability and environmental friendliness. Utility Model Content

[0003] The purpose of the embodiment of the present utility model is to provide a high-sealing electric locking pin device arranged in series. The series arrangement reduces the device layout space, and this setting method reduces the intermediate speed change process, thereby improving mechanical efficiency and transmission accuracy.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a high-sealing series-arranged electric lock pin device, comprising a lock pin assembly and a lock pin housing;

[0005] The lock pin assembly includes a lead screw, a nut and a pin rod, wherein the nut is sleeved on the lead screw and is threadably engaged with the lead screw, the nut is fixed inside the pin rod, an annular boss is provided on the outside of the pin rod, and sliders are fixed on both sides of the annular boss;

[0006] A lock pin channel is provided inside the lock pin housing, the lock pin channel penetrates the interior of the lock pin housing, and a slideway is provided on the inner side wall of the lock pin channel of the lock pin housing;

[0007] The pin rod is inserted into the lock pin channel of the lock pin housing, and the slide block is slidably arranged in the slideway.

[0008] Furthermore, a pitch bearing is provided at the end of the lead screw located outside the nut, and a groove is provided on the inner wall of one end of the lock pin housing, and the pitch bearing is embedded in the groove.

[0009] Furthermore, a lock pin end cover is embedded in the inner side of the end of the lock pin housing away from the groove, a sealing ring 1 is embedded in the inner side of the lock pin end cover, and a sealing ring 2 is embedded in the outer side of the lock pin end cover, and the sealing ring 1 fits the outer wall of the pin rod.

[0010] Furthermore, a support ring is embedded in the inner side of the lock pin end cover, and the inner wall of the support ring is in contact with the outer wall of the pin rod.

[0011] Furthermore, it includes a limit assembly, the limit assembly includes two fixing members and two micro switches, and the two micro switches are respectively fixedly connected to one fixing member;

[0012] A side through slot is formed on one side of the lock pin housing, and the fixing member is fixed to the inner wall of the side through slot;

[0013] A limit stopper is provided on one side of the annular boss close to the side through groove.

[0014] Furthermore, a lock pin protection cover is fixed to the outside of the lock pin housing, and the lock pin protection cover blocks the side through groove.

[0015] Furthermore, a plurality of heat dissipation grooves are provided on the outer side wall of the lock pin housing.

[0016] Furthermore, it includes a motor seat and a reduction motor, the output end of the reduction motor is fixedly connected to the lead screw, and the motor seat is sleeved on the outside of the reduction motor and fixedly connected to the lock pin housing.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] The reduction motor and locking pin assembly are arranged in series, which reduces the radial dimension and the device layout space. A support ring is added to ensure that the pin rod can move in a stable linear manner, enhance the overall sealing of the electric locking pin device, and provide better protection for its internal structure. Several heat dissipation grooves are opened on the locking pin housing to reduce the overall weight of the electric locking pin device and facilitate heat dissipation of the electric locking pin device. A limit assembly is added to effectively limit the position of the pin rod extending and retracting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] In the picture:

[0021] Figure 1 It is a three-dimensional schematic diagram of the electric locking pin device in the utility model;

[0022] Figure 2 It is an exploded schematic diagram of the electric locking pin device in the utility model;

[0023] Figure 3 yes Figure 2 A three-dimensional schematic diagram of the locking pin assembly;

[0024] Figure 4 yes Figure 1 A three-dimensional schematic diagram of the lock pin housing;

[0025] Figure 5yes Figure 1 A cross-sectional view of the lock pin housing in FIG.

[0026] Figure 6 yes Figure 2 A three-dimensional schematic diagram of the limiting component in FIG.

[0027] In the picture:

[0028] 1. Motor seat;

[0029] 2. Gear motor;

[0030] 3. Lock pin assembly;

[0031] 31. Pitch bearing; 32. Lead screw; 33. Nut; 34. Pin;

[0032] 341, annular boss;

[0033] 3411, slider; 3412, limit stop;

[0034] 4. Lock pin housing;

[0035] 41. Lock pin end cap; 42. Support ring; 43. Sealing ring 1; 44. Sealing ring 2;

[0036] 401, lock pin channel; 402, heat sink;

[0037] 4011, slideway; 4012, groove; 4013, side groove;

[0038] 5. Limiting components;

[0039] 51. Fixing piece; 52. Micro switch;

[0040] 6. Lock pin protection cover. DETAILED DESCRIPTION

[0041] The present invention will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.

[0042] See also Figure 1-6 The utility model provides a technical solution: a high-sealing series-arranged electric locking pin device, including a motor base 1, a reduction motor 2, a locking pin assembly 3, a locking pin housing 4, a limiting assembly 5 and a locking pin protective cover 6.

[0043] The motor base 1 is sleeved on the outside of the reduction motor 2.

[0044] The locking pin assembly 3 includes a pitch bearing 31 , a lead screw 32 , a nut 33 and a pin rod 34 .

[0045] The pitch bearing 31 is arranged at one end of the screw 32, the nut 33 is sleeved on the screw 32 and is threadedly engaged with the screw 32, the nut 33 is fixed to the inside of the pin rod 34, and an annular boss 341 is provided on the outside of the pin rod 34, and sliders 3411 are fixed on both sides of the annular boss 341, and a limit stop 3412 is provided on one side of the annular boss 341.

[0046] The output end of the reduction motor 2 is fixedly connected to the lead screw 32 .

[0047] The lock pin housing 4 is fixed to the motor base 1, and a lock pin channel 401 is provided inside the lock pin housing 4. The lock pin channel 401 passes through the interior of the lock pin housing 4, and a slide 4011 is provided on the inner side wall of the lock pin housing 4 located at the lock pin channel 401. The pin rod 34 is passed through the lock pin channel 401 of the lock pin housing 4, and the slider 3411 is slidably provided in the slide 4011. A groove 4012 is provided on the inner wall of one end of the lock pin housing 4, and the pitch bearing 31 is embedded in the groove 4012.

[0048] A plurality of heat dissipation slots 402 are formed on the outer wall of the lock pin housing 4 .

[0049] A lock pin end cover 41 is embedded in the inner side of the end of the lock pin housing 4 away from the groove 4012, a sealing ring 1 43 is embedded in the inner side of the lock pin end cover 41, a sealing ring 2 44 is embedded in the outer side of the lock pin end cover 41, the sealing ring 1 43 is in contact with the outer wall of the pin rod 34, a support ring 42 is embedded in the inner side of the lock pin end cover 41, the inner wall of the support ring 42 is in contact with the outer wall of the pin rod 34, a side through groove 4013 is provided on the side of the lock pin housing 4 close to the limit stop 3412, and the fixing part 51 is fixed to the inner wall of the side through groove 4013.

[0050] The limit assembly 5 includes two fixing members 51 and two micro switches 52 . The two micro switches 52 are fixedly connected to one fixing member 51 respectively.

[0051] The lock pin protection cover 6 is fixed on the lock pin housing 4 and blocks the side through slot 4013 .

[0052] The reduction motor 2 and the locking pin assembly 3 are arranged in series, which reduces the radial dimension and the device layout space. The reduction motor 2 is directly connected to the screw 32, which reduces the intermediate speed change process, greatly enhances the mechanical efficiency, and has high transmission accuracy.

[0053] By adding the support ring 42, it is ensured that the pin rod 34 can move in a stable linear motion, and the pin rod 34 can be prevented from falling or shaking during the linear motion. In some embodiments, some matching devices are installed on the pin rod 34, and the load on the pin rod 34 is increased. Without the assistance of the support ring 42, the pin rod 34 is difficult to move in a stable linear motion.

[0054] Adding sealing ring 1 43 and sealing ring 2 44 to the lock pin end cover 41 can enhance the overall sealing of the electric lock pin device and provide better protection for its internal structure, thereby preventing the internal structure from being disturbed by the external environment during operation. This sealing protection can effectively extend the service life of the internal structure.

[0055] By providing a plurality of heat dissipation slots 402 on the lock pin housing 4 , the overall weight of the electric lock pin device can be reduced, and heat dissipation of the electric lock pin device can be facilitated.

[0056] It can be understood that the added micro switch 52 is used to control the power on and off of the reduction motor 2, that is, when the limit stop 3412 contacts the micro switch 52, the micro switch 52 controls the reduction motor 2 to cut off the power, which can effectively limit the position of the pin rod 34 extending and retracting, and prevent the reduction motor 2 from driving the various transmission components to collide with the machine.

[0057] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the scope of the present invention. The technical scope of this utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A highly sealed series-arranged electric locking pin device, characterized by: including a lock pin assembly and a lock pin housing; The lock pin assembly includes a lead screw, a nut and a pin rod, wherein the nut is sleeved on the lead screw and is threadably engaged with the lead screw, the nut is fixed inside the pin rod, an annular boss is provided on the outside of the pin rod, and sliders are fixed on both sides of the annular boss; A lock pin channel is provided inside the lock pin housing, the lock pin channel penetrates the interior of the lock pin housing, and a slideway is provided on the inner side wall of the lock pin channel of the lock pin housing; The pin rod is inserted into the lock pin channel of the lock pin housing, and the slide block is slidably arranged in the slideway.

2. The high-sealability tandem-arranged electric locking pin device according to claim 1, characterized in that: The end of the lead screw located outside the nut is provided with a pitch bearing, and the inner wall of one end of the lock pin shell is provided with a groove, and the pitch bearing is embedded in the groove.

3. The high-sealability tandem-arranged electric locking pin device according to claim 2, characterized in that: A lock pin end cover is embedded in the inner side of the end of the lock pin housing away from the groove, a sealing ring 1 is embedded in the inner side of the lock pin end cover, and a sealing ring 2 is embedded in the outer side of the lock pin end cover, and the sealing ring 1 fits the outer wall of the pin rod.

4. The high-sealability tandem-arranged electric locking pin device according to claim 3, characterized in that: A support ring is embedded in the inner side of the lock pin end cover, and the inner wall of the support ring is in contact with the outer wall of the pin rod.

5. The high-sealability tandem-arranged electric locking pin device according to claim 1, characterized in that: It includes a limit assembly, the limit assembly includes two fixing parts and two micro switches, and the two micro switches are respectively fixedly connected to one of the fixing parts; A side through slot is formed on one side of the lock pin housing, and the fixing member is fixed to the inner wall of the side through slot; A limit stopper is provided on one side of the annular boss close to the side through groove.

6. The high-sealability tandem-arranged electric locking pin device according to claim 5, characterized in that: A lock pin protection cover is fixed on the outside of the lock pin housing, and the lock pin protection cover blocks the side through groove.

7. The high-sealability tandem-arranged electric locking pin device according to claim 6, characterized in that: A plurality of heat dissipation slots are provided on the outer side wall of the lock pin housing.

8. The high-sealability tandem-arranged electric locking pin device according to claim 1, characterized in that: It comprises a motor seat and a reduction motor, wherein the output end of the reduction motor is fixedly connected to the lead screw, and the motor seat is sleeved on the outside of the reduction motor and fixedly connected to the lock pin housing.

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