Electric push rod with ultra-large length-diameter ratio

Abstract

The invention discloses an electric push rod with an ultra-large length-diameter ratio, and the push rod comprises a power mechanism which is composed of a motor and a speed reducer. Comprising a transmission mechanism which is composed of a transmission shaft 1, a transmission shaft 2, a chain transmission wheel 1, a chain transmission wheel 2, a bearing 1 and a bearing 2. Comprising a chain mechanism which is composed of a chain 1 and a chain 2. Comprising a supporting mechanism, and the supporting mechanism is composed of a chain fixing clamp, a vortex-shaped guide groove 1, a vortex-shaped guide groove 2, a vortex-shaped guide groove supporting column 1, a vortex-shaped guide groove supporting column 2, a telescopic protective cover, a supporting cover, a fixing base 1 and a fixing base 2. According to the electric push rod with the ultra-large length-diameter ratio, the ultra-large use distance can be achieved through stretching and retracting of the two special one-way chains, the problem that the use distance of an existing electric push rod is limited is solved, and the electric push rod is simple in structure and low in cost.

Description

Technical Field

[0001] The invention relates to the technical field of electric push rods, and in particular to an electric push rod with a super-large aspect ratio. Background Art

[0002] An electric push rod is an electric drive device that converts the rotational motion of a motor into the linear reciprocating motion of a push rod. It can be used as an executive machine in a variety of simple or complex process flows to achieve remote control, centralized control or automatic control.

[0003] At present, the push-out distances of various electric push rods are limited and short, which cannot meet the requirements of long-distance push-out, reducing the practicality of the electric push rods. Summary of the invention

[0004] In order to solve the problem that the existing electric push rod has a short push-out distance, the present invention provides an electric push rod with a super-large aspect ratio to achieve the long-distance push-out requirement.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: An electric push rod with a large aspect ratio includes a power mechanism, which is composed of a motor and a speed reducer to provide power for the entire device; a transmission mechanism, which is composed of a transmission shaft 1, a transmission shaft 2, a chain transmission wheel 1, a chain transmission wheel 2, a bearing 1, and a bearing 2; a chain mechanism, which is composed of a chain 1 and a chain 2; a support mechanism, which is composed of a chain fixing clamp, a vortex guide groove 1, a vortex guide groove 2, a vortex guide groove support column 1, a vortex guide groove support column 2, a telescopic shield, a support shield, a fixed seat 1, and a fixed seat 2; after the power mechanism works, it drives the transmission shaft 1 and the transmission shaft 2 to rotate, and the chain transmission wheel 1 is fixedly installed on the The transmission shaft 1 is on the transmission shaft 1 and rotates along with the transmission shaft 1. The chain transmission wheel 2 is fixedly mounted on the transmission shaft 2 and rotates along with the transmission shaft 2. The bearing 1 is mounted on the other end of the transmission shaft 1, and the bearing 2 is mounted on the other end of the transmission shaft 2 to assist in completing the rotation. The chain transmission wheel 1 is engaged with the chain 1. When the chain transmission wheel 1 rotates, it pushes the chain 1 to perform corresponding linear motion. When the chain transmission wheel 2 rotates, it pushes the chain 2 to perform corresponding linear motion. The transmission shaft 1 and the transmission shaft 2 rotate synchronously in opposite directions, so that the chain 1 and the chain 2 can synchronously complete the extension and retraction movements to meet the use requirements.

[0006] Preferably, the power mechanism adopts the motor and the reducer, and the power mechanism provides power for the entire device.

[0007] Preferably, the transmission mechanism uses the transmission shaft 1, the transmission shaft 2, the chain transmission wheel 1, the chain transmission wheel 2, the bearing 1, and the bearing 2 to complete the conversion of the device from rotational motion to linear motion.

[0008] Preferably, the chain mechanism adopts the chain 1 and the chain 2, and the chain 1 and the chain 2 adopt special one-way chains, which have the characteristic of being able to bend only to one side.

[0009] Preferably, chain fixing clamps are installed on the top of the chain 1 and the chain 2 so that the two chains always maintain linear motion.

[0010] Preferably, the transmission mechanism adopts the meshing transmission of the chain transmission wheel and the chain. This kind of transmission is inelastic sliding, which improves the transmission efficiency of the chain and enhances the carrying capacity of the push rod.

[0011] Preferably, the supporting mechanism adopts the chain fixing clamp, the vortex guide groove 1, the vortex guide groove 2, the vortex guide groove support column 1, the vortex guide groove support column 2, the telescopic shield, and the support shield to provide support and protection for the entire device.

[0012] Preferably, there are two transmission shafts, two chain transmission wheels, and two bearings, and they are all symmetrically located on both sides of the chain.

[0013] Preferably, the fixing seat facilitates fixing the entire device.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The invention uses a chain drive wheel and a chain drive, and no slipping occurs, so that the push rod works more stably, the work efficiency is improved, and the load-bearing capacity is enhanced.

[0016] The present invention connects the power mechanism and the chain mechanism directly through the transmission mechanism, and has a simple structure.

[0017] The present invention supports and wraps the entire device through a support cover, which plays a dust-proof and waterproof role and effectively blocks dust and impurities.

[0018] In summary, the present invention solves the problem that the pushing distance of the existing electric push rod cannot meet the use requirements, and the present invention has the advantages of simple structure, less consumables, strong bearing capacity, low cost, high efficiency and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the present invention or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 An isometric diagram of an electric linear actuator with a super-large aspect ratio proposed by the present invention.

[0021] Figure 2 This is an isometric view of the interior of an electric push rod support cover with a super-large aspect ratio proposed by the present invention.

[0022] Figure 3 This is an isometric view of the interior of an electric linear actuator with a super-large aspect ratio proposed by the present invention.

[0023] In the figure: 1. fixed seat 1 2. support cover 3. telescopic cover 4. vortex guide groove support column 1 5. motor 6. reducer 7. transmission shaft 1 8. chain drive wheel 1 9. transmission shaft 2 10. chain drive wheel 2 11. vortex guide groove 1 12. chain 1 13. chain 2 14 vortex guide groove 2 15. bearing 1 16. bearing 2 17. chain fixing clamp 18 vortex guide groove support column 2 19. fixed seat 2. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] As shown in the figure, an electric push rod with a large aspect ratio includes a power mechanism, which is composed of a motor (5) and a reducer (6) to provide power for the entire device; and a transmission mechanism, which is composed of a transmission shaft 1 (7), a transmission shaft 2 (9), chain drive wheel 1 (8), chain drive wheel 2 (10), bearing 1 (15), bearing 2 (16); including a chain mechanism, the chain mechanism is composed of chain 1 (12), chain 2 (13); including a support mechanism, the support mechanism is composed of a chain fixing clamp (17), a vortex guide groove 1 (11), a vortex guide groove 2 (14), a vortex guide groove support column 1 (4), a vortex guide groove support column 2 (18), a telescopic cover (3), a support cover (2), a fixing seat (1), and a fixing seat 2 (19); after the power mechanism is in operation, it drives the transmission shaft 1 (7) and the transmission shaft 2 (9) to rotate, the chain drive wheel 1 (8) is fixedly mounted on the transmission shaft 1 (7), and rotates with the transmission shaft 1 (7), and the chain drive wheel 2 (10) is fixedly mounted on the transmission shaft 2 (9) and rotates with the transmission shaft 2 (9). The bearing 1 (15) is mounted on the other end of the transmission shaft 1 (7). The bearing 2 (16) is mounted on the other end of the transmission shaft (9) 2 to assist in completing the rotation. The chain transmission wheel 1 (8) is meshed with the chain 1 (12). When the chain transmission wheel 1 (8) rotates, it pushes the chain 1 (12) to perform a corresponding linear motion. When the chain transmission wheel 2 (10) rotates, it pushes the chain 2 (13) to perform a corresponding linear motion. The transmission shaft 1 (7) and the transmission shaft 2 (9) rotate synchronously in opposite directions, so that the chain 1 (12) and the chain 2 (13) can synchronously complete the extension and retraction movements to meet the use requirements.

[0026] In the present invention, power is provided by the motor (5) and the reducer (6), which mainly provides power for the entire device and is the basis for the device to complete its work.

[0027] In the present invention, the transmission is carried out through the transmission mechanism, and the rotational motion is converted into linear motion. The installation of bearings 1 (15) and bearings 2 (16) can assist the transmission shaft in rotating, and is the key to the overall device completing the movement.

[0028] In the present invention, the chain 1 (12) and the chain 2 (13) are fixed by a chain fixing clamp (17), ensuring that the chain mechanism performs a linear motion to complete the pushing and retracting motion, which is a direct structure for the overall device to complete the work.

[0029] In the present invention, the vortex guide groove 1 (11) is used to place the chain 1 (12), and the vortex guide groove 2 (14) is used to place the chain 1 (12), thereby ensuring that the chain moves along a fixed trajectory and that the electric push rod is pushed out over a long distance.

[0030] In the present invention, the tail of the vortex guide groove is round and matches the vortex guide groove support column; the vortex guide groove 1 (11) is installed on the vortex guide groove support column 1 (4), and the vortex guide groove 2 (14) is installed on the vortex guide groove support column 2 (18) and installed on the support cover (2), so as to support and protect the entire device through the support mechanism, and is a guarantee structure for the entire device to complete its work.

[0031] In the present invention, the telescopic H shield (3) plays a protective role on the chain, and a fixing seat 2 (19) is designed at the top end, which can be used in conjunction with other objects.

[0032] In the present invention, the support cover (2) protects the internal structure, and a fixing seat 1 (1) is designed at the bottom to facilitate installation and use.

[0033] In the present invention, the internal structure is overall bilaterally symmetrical.

[0034] The above description is only a preferred specific implementation manner of the invention, but the protection scope of the invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the invention within the technical scope disclosed by the invention, which should be covered by the protection scope of the invention.

Claims

1. An electric push rod with a large aspect ratio, characterized in that It includes a power mechanism, which is composed of a motor and a speed reducer to provide power for the overall device; it includes a transmission mechanism, which is composed of a transmission shaft 1, a transmission shaft 2, a chain transmission wheel 1, a chain transmission wheel 2, a bearing 1, and a bearing 2; it includes a chain mechanism, which is composed of a chain 1 and a chain 2; it includes a support mechanism, which is composed of a chain fixing clamp, a vortex guide groove 1, a vortex guide groove 2, a vortex guide groove support column 1, a vortex guide groove support column 2, a telescopic shield, a support cover, a fixed seat 1, and a fixed seat 2; after the power mechanism works, it drives the transmission shaft 1 and the transmission shaft 2 to rotate, and the chain transmission wheel 1 is fixedly installed on the transmission shaft 1 The chain transmission wheel 2 is fixedly mounted on the transmission shaft 2 and rotates along with the transmission shaft 2. The bearing 1 is mounted on the other end of the transmission shaft 1, and the bearing 2 is mounted on the other end of the transmission shaft 2 to assist in completing the rotation. The chain transmission wheel 1 is meshed with the chain 1. When the chain transmission wheel 1 rotates, it pushes the chain 1 to perform a corresponding linear motion. When the chain transmission wheel 2 rotates, it pushes the chain 2 to perform a corresponding linear motion. The transmission shaft 1 and the transmission shaft 2 rotate synchronously in opposite directions, so that the chain 1 and the chain 2 can synchronously complete the extension and retraction movements to meet the use requirements.

2. The electric push rod with a large aspect ratio according to claim 1, characterized in that: The motor and the reducer form a power mechanism to provide power for the device.

3. The electric push rod with a large aspect ratio according to claim 1, characterized in that: The transmission shaft 1, transmission shaft 2, chain transmission wheel 1, chain transmission wheel 2, bearing 1, bearing 2 constitute a transmission mechanism. The transmission shaft 1 and the transmission shaft 2 are installed on the reducer. The power mechanism rotates after providing power, driving the chain transmission wheel 1 and the chain transmission wheel 2 to perform rotational motion, and then driving the chain 1 and the chain 2 to perform linear motion. The transmission mechanism converts rotational motion into linear motion.

4. The electric linear actuator with a large aspect ratio according to claim 1, characterized in that: The chain 1 and the chain 2 form a chain mechanism. The chain 1 and the chain 2 are special one-way chains, which have the characteristic of being able to bend only to one side and directly complete linear motion.

5. The electric linear actuator with a large aspect ratio according to claim 1, characterized in that: The chain fixing clamp, the vortex guide groove 1, the vortex guide groove 2, the vortex guide groove support column 1, the vortex guide groove support column 2, the telescopic cover, the support cover, the fixing seat 1, and the fixing seat 2 constitute a supporting mechanism. The chain fixing clamp and the vortex guide groove 1 and the vortex guide groove 2 can ensure that the chain moves along a fixed trajectory, and the supporting mechanism plays a supporting and protective role.

6. The electric push rod with a large aspect ratio according to claim 1, characterized in that The overall internal structure is symmetrical.

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