Zero-position-adjustable high-consistency electric push rod

Abstract

The utility model relates to the field of electric push rods, in particular to a zero-position-adjustable high-consistency electric push rod, which comprises an outer pipe, an inner pipe, an inner pipe, an inner pipe and a connecting rod, the inner pipe and the outer pipe are arranged to be capable of performing relative telescopic movement; the front end portion of the front end cover is detachably connected with one end of the outer pipe, the end face, matched with the front end cover, of the outer pipe is a top end face, and a wire groove is further formed in the top end face and penetrates through the outer pipe; a connecting strip; one end of the adjusting head is fixedly connected with the connecting strip, the connecting strip and the adjusting head are movably arranged in the wire groove, and the end, away from the connecting strip, of the adjusting head is provided with a connecting end; the adjusting nut is in threaded connection with the connecting end, the end, close to the connecting end, of the adjusting nut abuts against the top end face, and the adjusting nut is further arranged in the front end cover. According to the utility model, the advantages of accurate adjustment, convenient adjustment and high zero-position precision can be realized by effectively utilizing the self structural configuration.

Description

Technical Field

[0001] The present application relates to the field of electric linear actuators, and more specifically to a zero-position adjustable high-consistency electric linear actuator. Background Art

[0002] With the increasing maturity of new energy, motor and battery technology, electric push rods are increasingly used in industries such as industry and agriculture. Electric push rods usually use motors as power sources. After passing through a reduction mechanism, they convert rotary motion into linear motion through a screw pair. Usually, the reduction ratio of the reduction mechanism is between several and dozens. The rotation error of the motor is reduced by several times through reduction, so that the telescopic accuracy of the electric push rod can be very high. In the control system, a basic position is often required as a reference, which is called zero position in this article. Usually, the electric push rod uses a built-in travel switch as the source of the zero position signal. The built-in travel switch has the defect that the position cannot be adjusted after assembly. If you want to ensure the high precision of the zero position of the electric push rod, you need to control the cumulative error of all parts contained in the electric push rod from the base to the top seat and the error value of the installation position of the machine travel switch. Therefore, the existing electric push rods either have low zero position accuracy and poor consistency of batch products, or have extremely high costs. If an external trigger switch is used, the trigger switch cannot be effectively protected by the shell, and it is often unusable in harsh environments, which also deteriorates the integrity of the product. The utility model discloses a highly consistent electric push rod with adjustable zero position. After the electric push rod is installed as a whole, the installation position of the travel switch can be fine-tuned through a mechanism, which maintains the advantage of the built-in travel switch and can improve the accuracy of the zero position by exponential times, thereby ensuring high consistency of the zero position of batch products.

[0003] Therefore, a high-consistency electric push rod with adjustable zero position is proposed. After the overall installation of the electric push rod is completed, the installation position of the travel switch can be fine-tuned through a mechanism, which not only maintains the advantages of the built-in travel switch but also can improve the accuracy of the zero position exponentially, and there is a demand to ensure the high consistency of the zero position of batch products. Utility Model Content

[0004] The main purpose of the present application is to provide a high-consistency electric push rod with adjustable zero position, wherein the high-consistency electric push rod with adjustable zero position can effectively utilize its own structural configuration to achieve the advantages of precise adjustment, convenient adjustment, and high zero position accuracy.

[0005] Another object of the present application is to provide a high-consistency electric push rod with adjustable zero position, wherein the high-consistency electric push rod with adjustable zero position comprises an outer tube, an inner tube, a front end cover, a connecting strip, an adjusting head and an adjusting nut, the inner tube and the outer tube are configured to be capable of relative telescopic movement, the front end cover is detachably connected to one end of the outer tube, and the end face of the outer tube that cooperates with the front end cover is a top face, and the top face also has a line groove, the line groove runs through the outer tube, one end of the adjusting head is fixedly connected to the connecting strip, and the connecting strip and the adjusting head are both movably arranged in the line groove, and the end of the adjusting head away from the connecting strip has a connecting end, the adjusting nut is threadedly connected to the connecting end, and the end of the adjusting nut close to the connecting end abuts against the top face, and the adjusting nut is also placed in the front end cover, that is, the high-precision pulling adjustment method is achieved by rotating the adjusting nut, which can further improve the zero position accuracy and eliminate the error caused by the need to rotate the rotating screw to reserve a front and rear gap for the zero position accuracy.

[0006] Another object of the present application is to provide a high-consistency electric push rod with adjustable zero position, wherein the high-consistency electric push rod with adjustable zero position has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0007] In order to achieve at least one of the above-mentioned utility model purposes, the present application provides a zero-position adjustable high-consistency electric linear actuator, wherein the zero-position adjustable high-consistency electric linear actuator comprises:

[0008] One external tube;

[0009] an inner tube, wherein the inner tube and the outer tube are configured to be capable of relative telescopic movement;

[0010] A front end cover, the front end cover is detachably connected to one end of the outer tube, and the end surface of the outer tube that matches the front end cover is a top end surface, and the top end surface also has a line groove, and the line groove runs through the outer tube;

[0011] a connecting strip;

[0012] an adjusting head, one end of which is fixedly connected to the connecting strip, and the connecting strip and the adjusting head are both movably disposed in the wire slot, and the end of the adjusting head away from the connecting strip has a connecting end; and

[0013] An adjusting nut is threadedly connected to the connecting end, and one end of the adjusting nut close to the connecting end abuts against the top end surface, and the adjusting nut is also placed in the front end cover.

[0014] In one or more embodiments of the present application, the zero-position adjustable high-consistency electric push rod further includes at least one travel switch, the travel switch is arranged in the wire groove, and the travel switch is fixedly connected to the bottom of the connecting strip, and the travel switch also has a trigger head, and the trigger head is located on the side of the travel switch away from the connecting strip.

[0015] In one or more embodiments of the present application, the zero-position adjustable high-consistency electric push rod also includes a reduction mechanism, a connecting shaft and a drive motor, the end of the outer tube facing away from the front end cover is fixed on the outer wall of the reduction mechanism, and one end of the connecting shaft cooperates with the reduction mechanism, and the other end is placed on the inner tube, and the connecting shaft also cooperates with the inner wall of the inner tube, and the drive motor also cooperates with the reduction mechanism.

[0016] In one or more embodiments of the present application, the end of the adjusting head away from the connecting end further has a matching notch, and the end of the connecting strip close to the adjusting head is inserted into the matching notch.

[0017] In one or more embodiments of the present application, the connecting strip has at least one third connecting hole, and the adjusting head has a fourth connecting hole, the fourth connecting hole passes through the adjusting head, and the fourth connecting hole is also opposite to the third connecting hole, wherein the third connecting hole and the fourth connecting hole cooperate with external screws.

[0018] In one or more embodiments of the present application, the zero-position adjustable high-consistency electric push rod also includes a stop ring, which is fixed at the end of the inner tube away from the front end cover, and the outer wall of the stop ring is also slidably connected to the wall forming the cavity, and the outer wall of the stop ring also has a boss, which is also opposite to the connecting strip, and the boss is configured to contact the trigger head.

[0019] In one or more embodiments of the present application, the front end cover has a second countersunk hole on the side close to the inner tube, and the front end cover has a first countersunk hole on the side away from the inner tube, and the bottom wall forming the first countersunk hole has an insertion hole, and the two ends of the insertion hole are respectively connected to the first countersunk hole and the second countersunk hole, and the second countersunk hole is also opposite to the wire groove, and the end of the adjusting nut away from the connecting end is placed in the second countersunk hole.

[0020] In one or more embodiments of the present application, the zero-position adjustable high-consistency electric push rod also includes a clamping bolt, one end of which passes through the insertion hole and abuts against the adjusting nut, and the other end of the clamping bolt is placed in the first countersunk hole, and the clamping bolt is also threadedly connected to the insertion hole.

[0021] In one or more embodiments of the present application, an O-ring is further disposed in the first countersunk hole, and the O-ring is sleeved on the clamping bolt.

[0022] In one or more embodiments of the present application, the upper end of the adjusting nut also has a slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which:

[0024] Figure 1 The figure shows an overall exploded view of a high-consistency electric actuator with adjustable zero position.

[0025] Figure 2 The figure shows an overall cross-sectional view of a high-consistency electric linear actuator with adjustable zero position.

[0026] Figure 3 A partial cross-sectional view is shown.

[0027] Figure 4 A top cross-sectional view is shown.

[0028] Figure 5 The diagram shows the structure of the regulating head.

[0029] Figure 6 The figure shows a cross-sectional structural diagram of the front end cover.

[0030] Figure 7 A top view of the outer tube is shown.

[0031] Figure 8 The diagram shows the adjustment diagram.

[0032] Fig. 9 The diagram shows the structure of the adjusting nut.

[0033] Fig.10 A schematic diagram of the partial structure of a high-consistency electric push rod with adjustable zero position.

[0034] Fig.11 An enlarged view of the partial structure of a high-consistency electric linear actuator with adjustable zero position. DETAILED DESCRIPTION

[0035] The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the present application. Therefore, it is obvious to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0036] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0037] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the utility model concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.

[0038] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.

[0039] refer to Figures 1 to 11 According to a preferred embodiment of the utility model, a high-consistency electric push rod with adjustable zero position is provided. It should be noted that the structure of the high-consistency electric push rod with adjustable zero position is as follows: Figure 1 As shown, it includes an inner tube 02 and an outer tube 01, and the inner tube 02 and the outer tube 01 are configured to be capable of relative telescopic movement. Specifically, the outer tube 01 has a cavity connected at both ends, and the inner tube 02 is movably arranged in the cavity. In addition, the zero-position adjustable high-consistency electric push rod also includes a front end cover 04, and the front end cover 04 is detachably connected to one end of the outer tube 01, that is, the end of the outer tube 01 matched with the front end cover 04 also has four evenly distributed first connection holes, and the front end cover 04 also has four evenly distributed second connection holes, the four first connection holes correspond to the four second connection holes one by one, and the external bolt 08 can pass through the second connection hole and be threadedly connected with the corresponding first connection hole, thereby limiting the position of the front end cover 04. In addition, the front end cover 04 also has a connecting hole, which passes through the front end cover 04 and is connected to the cavity, and one end of the inner tube 02 also passes through the connecting hole. It should be understood by those skilled in the art that a sleeve is also provided in the connecting hole to facilitate the movement of the inner tube 02. In addition, the wall surface forming the cavity also has a line groove 17, and both ends of the line groove 17 are connected to the outside. In addition, the end surface of the outer tube 01 that cooperates with the front end cover 04 is the top end surface 27, and the line groove 17 is located on the top end surface 27.

[0040] Specifically, the zero-position adjustable high-consistency electric push rod also includes at least one travel switch 11, which is arranged in the wire groove 17. In addition, the utility model preferably has two travel switches 11, and the two travel switches 11 are arranged opposite to each other, so that the external terminal can confirm whether the inner tube 02 is moved into place through the two travel switches 11. Fig.10 The zero-position adjustable high-consistency electric push rod also includes a reduction mechanism 200, a connecting shaft 300 and a driving motor. The end of the outer tube 01 away from the front cover 04 is fixed on the outer wall of the reduction mechanism, and one end of the connecting shaft cooperates with the reduction mechanism, and the other end is placed on the inner tube 02, and the connecting shaft also cooperates with the inner wall of the inner tube 02, and the driving motor also cooperates with the reduction mechanism. Specifically, the utility model uses a motor as a power source, and after passing through the reduction mechanism, the rotational motion is converted into linear motion through a screw pair, so that the inner tube 02 can move a predetermined distance away from or close to the reduction mechanism. In addition, the above-mentioned reduction mechanism can be implemented as a gear box.

[0041] In addition, the zero-position adjustable high-consistency electric push rod also includes an adjustment head 06, and the adjustment head 06 is placed in the wire groove 17. Specifically, the side wall forming the wire groove 17 has a protrusion, and both sides of the adjustment head 06 have a slide groove, and the slide groove can cooperate with the protrusion, so that the user can push the adjustment head 06 into the wire groove 17. The end of the adjustment head 06 close to the front cover 04 also has a connecting end, and the outer wall of the connecting end is provided with an external thread 13.

[0042] The zero-position adjustable high-consistency electric push rod further comprises a connecting strip 05, which is arranged in the wire groove 17, and the connection mode between the connecting strip 05 and the wire groove 17 is consistent with the connection mode between the adjusting head 06 and the wire groove 17. In addition, the end of the adjusting head 06 away from the connecting end also has a matching notch 14, and the end of the connecting strip 05 close to the adjusting head 06 is inserted into the matching notch 14. Figure 5 As shown, the connecting strip 05 has at least one third connecting hole, and the adjusting head 06 has a fourth connecting hole 15, the fourth connecting hole passes through the adjusting head 06, and the fourth connecting hole 15 is also opposite to the third connecting hole, wherein the user can match the third connecting hole and the fourth connecting hole 15 with the screw 12 to define the position of the adjusting head 06. It is worth mentioning that the travel switch 11 is also fixed on the connecting strip 05, and the travel switch 11 also has a trigger head 29, and the trigger head 29 is located on the side of the travel switch 11 away from the connecting strip 05.

[0043] Specifically, the zero-position adjustable high-consistency electric push rod also includes a stop ring 03, which is fixed to the end of the inner tube 02 away from the front end cover 04. Specifically, the connection between the stop ring 03 and the front end cover 04 can be a threaded connection. In addition, the outer wall of the stop ring 03 is also slidably connected to the wall surface forming the cavity. Specifically, the wall surface forming the cavity also has a plurality of evenly distributed plate ribs, and the outer wall of the stop ring 03 has a plurality of slots that cooperate with the plate body, so that the stop ring 03 cannot rotate. It is worth mentioning that the outer wall of the anti-rotation ring 03 also has a boss 28, and the boss 28 is also facing the connecting bar 05. When the driving motor is operating, the connecting shaft rotates synchronously. At this time, the inner tube 02 moves forward and backward a predetermined distance, and the position of the travel switch 11 placed on the connecting bar 05 remains unchanged. Therefore, when the inner tube 02 moves to the predetermined position, the protrusion on the anti-rotation ring 03 will contact the trigger head 29 of the travel switch 11 placed on the connecting bar 05, thereby triggering the travel switch 11 to send an electrical signal.

[0044] It should also be noted that the zero-position adjustable high-consistency electric push rod also includes an adjusting nut 07, the adjusting nut 07 has a lower end 21, the lower end 21 has a fifth connecting hole 19, the fifth connecting hole 19 passes through the adjusting nut 07, and the fifth connecting hole 19 is also threadedly connected to the connecting end. Figure 6 As shown, the front end cover 04 has a second countersunk hole 26 on the side close to the inner tube 02, and the front end cover 04 has a first countersunk hole 22 on the side away from the inner tube 02, and the bottom wall forming the first countersunk hole 22 has an insertion hole 24, and the two ends of the insertion hole 24 are respectively connected to the first countersunk hole 22 and the second countersunk hole 26, and the second countersunk hole 26 is also directly opposite to the wire groove 17, and the end of the adjusting nut 07 away from the connecting end is placed in the second countersunk hole 26. In addition, the outer contour size of the adjusting nut 07 is slightly smaller than the inner diameter of the second countersunk hole 26.

[0045] Furthermore, the end of the adjusting nut 07 away from the connecting end is the upper end, and the upper end abuts against the second end surface 25, wherein the second end surface 25 is the bottom wall forming the second countersunk hole 26, and the height of the adjusting nut 07 is slightly smaller than the depth of the second countersunk hole 26. The lower end 21 of the adjusting nut 07 abuts against the top end surface 27 of the outer tube 01, facing the wire groove 17, so that the adjusting nut 07 can rotate in the second countersunk hole 26 but cannot move. In addition, the size of the insertion hole 24 is larger than that of the fifth connecting hole 19, and the zero-position adjustable high-consistency electric push rod also includes a clamping bolt, one end of the clamping bolt passes through the insertion hole 24 and abuts against the upper end of the adjusting nut 07, and the other end of the clamping bolt is placed in the first countersunk hole 22, and the clamping bolt is also threadedly connected to the insertion hole 24, that is, the user can adjust the position of the above-mentioned clamping bolt so that the clamping bolt can squeeze the adjusting nut 07, so that the lower end 21 of the adjusting nut 07 abuts against the top end surface 27 of the outer tube 01.

[0046] In addition, an O-ring 09 is also disposed in the first counterbore 22. The O-ring 09 is sleeved on the clamping bolt and abuts against the first end face 23, wherein the bottom wall forming the first counterbore 22 is the first end face 23. In addition, the end of the clamping bolt disposed in the first counterbore 22 is configured to be able to squeeze the O-ring 09.

[0047] Furthermore, the upper end of the adjusting nut 07 also has a straight groove 20, the middle end of the straight groove 20 is connected to the fifth connecting hole 19, and the straight groove 20 is configured to rotate and adjust the position of the adjusting nut 07. In addition, the adjusting nut 07 also has a chamfer 30, the chamfer 30 and the straight groove 20 are located on the same side, and the chamfer 30 plays a guiding role during assembly. Before assembling the front end cover 04, the adjusting nut 07 is first screwed onto the external thread 13 of the adjusting head 06, and its lower end 21 is close to the top end surface 27 of the outer tube 01. It should also be noted that when the clamping bolt is not installed, the user can adjust the position of the adjusting nut 07 through the insertion hole 24. The end surface of the adjusting nut 07 with the straight groove 20 is the upper end 18.

[0048] The adjustment principle of the utility model is explained below: since the adjustment nut 07 is arranged in the second countersunk hole 26, and the two ends are respectively abutted on the front end cover 04 and the outer tube 01, the adjustment nut 07 is rotated to push and pull the adjustment head 06, thereby adjusting the position of the travel switch 11 relative to the stop ring 03, which can play a role in accurately adjusting the zero position of the electric push rod.

[0049] High-precision adjustment method: The height of the adjusting nut 07 is slightly smaller than the depth of the second countersunk hole 26, so it can move slightly up and down in the hole, which will affect the adjustment accuracy. When adjusting, first push the adjusting head 06 to a relatively lower position, and then slowly rotate the adjusting nut 07, thereby pulling the adjusting head 06 upward until the adjustment meets the requirements. Since pulling the adjusting head 06 needs to overcome the friction between the connecting strip 05, the travel switch 11, the adjusting head 06 and the outer tube 01, the adjusting nut 07 will also be pulled in the opposite direction to make it close to the top surface 27 of the outer tube 01. When adjusted to the required position, the adjusting nut 07 is tightened by the tightening bolt so that it cannot move up and down or rotate. During the tightening process, the position of the travel switch 11 will not move in series, thereby introducing errors and reducing accuracy.

[0050] It is worth mentioning that the advantage of the utility model is that the linear motion of the travel switch to be adjusted is converted into rotational motion by using a screw nut. The travel switch moves a pitch distance every time the adjusting nut rotates 360°, which can improve the zero position accuracy of the electric push rod by dozens of times. And by using a clamping bolt, the adjusted adjusting nut can be clamped to prevent it from rotating, and it can also prevent it from pulling when the push rod is extended and retracted, causing the zero position to change, and it can also play a dust-proof and waterproof sealing role, achieving three goals at one stroke. In addition, the zero position accuracy can be further improved by the high-precision pulling adjustment method, eliminating the error caused by the reserved front and rear gaps required to rotate the rotating screw to the zero position accuracy.

[0051] In summary, the zero-position adjustable high-consistency electric push rod based on the embodiment of the present application is explained, which provides the zero-position adjustable high-consistency electric push rod with advantages such as precise adjustment, convenient adjustment, and high zero-position accuracy.

[0052] It is worth mentioning that in the embodiment of the present application, the zero-position adjustable high-consistency electric push rod has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the zero-position adjustable high-consistency electric push rod provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.

[0053] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A high consistency electric linear actuator with adjustable zero position, characterized in that: The zero-position adjustable high-consistency electric linear actuator comprises: An outer tube, the outer tube having a cavity with two ends connected; an inner tube, wherein the inner tube and the outer tube are configured to be capable of relative telescopic movement; A front end cover, the front end cover is detachably connected to one end of the outer tube, and the end surface of the outer tube that matches the front end cover is a top end surface, and the top end surface also has a line groove, and the line groove runs through the outer tube; a connecting strip; an adjusting head, one end of which is fixedly connected to the connecting strip, and the connecting strip and the adjusting head are both movably disposed in the wire slot, and the end of the adjusting head away from the connecting strip has a connecting end; and An adjusting nut is threadedly connected to the connecting end, and one end of the adjusting nut close to the connecting end abuts against the top end surface, and the adjusting nut is also placed in the front end cover.

2. According to the zero-position adjustable high-consistency electric push rod according to claim 1, the zero-position adjustable high-consistency electric push rod also includes at least one travel switch, the travel switch is arranged in the wire groove, and the travel switch is fixedly connected to the bottom of the connecting strip, and the travel switch also has a trigger head, and the trigger head is located on the side of the travel switch away from the connecting strip.

3. The zero-position adjustable high-consistency electric push rod according to claim 2, wherein the zero-position adjustable high-consistency electric push rod also includes a reduction mechanism, a connecting shaft and a drive motor, the end of the outer tube away from the front end cover is fixed on the outer wall of the reduction mechanism, and one end of the connecting shaft cooperates with the reduction mechanism, and the other end is placed on the inner tube, and the connecting shaft also cooperates with the inner wall of the inner tube, and the drive motor also cooperates with the reduction mechanism.

4. The zero-position adjustable high-consistency electric push rod according to claim 3, wherein the end of the adjusting head away from the connecting end also has a matching notch, and the end of the connecting strip close to the adjusting head is inserted into the matching notch.

5. The zero-position adjustable high-consistency electric push rod according to claim 4, wherein the connecting strip has at least one third connecting hole, and the adjusting head has a fourth connecting hole, the fourth connecting hole passes through the adjusting head, and the fourth connecting hole is also opposite to the third connecting hole, wherein the third connecting hole and the fourth connecting hole cooperate with external screws.

6. A high-consistency electric push rod with adjustable zero position according to claim 5, wherein the high-consistency electric push rod with adjustable zero position also includes a stop ring, the stop ring is fixed to the end of the inner tube away from the front end cover, the outer wall of the stop ring is also slidably connected to the wall forming the cavity, the outer wall of the stop ring also has a boss, the boss is also opposite to the connecting strip, and the boss is configured to contact the trigger head.

7. A zero-position adjustable high-consistency electric push rod according to claim 6, wherein the side of the front end cover close to the inner tube also has a second countersunk hole, and the side of the front end cover away from the inner tube has a first countersunk hole, and the bottom wall forming the first countersunk hole has an insertion hole, and the two ends of the insertion hole are respectively connected to the first countersunk hole and the second countersunk hole, and the second countersunk hole is also opposite to the wire groove, and the end of the adjusting nut away from the connecting end is placed in the second countersunk hole.

8. The zero-position adjustable high-consistency electric push rod according to claim 7, wherein the zero-position adjustable high-consistency electric push rod also includes a clamping bolt, one end of the clamping bolt passes through the insertion hole and abuts against the adjusting nut, and the other end of the clamping bolt is placed in the first countersunk hole, and the clamping bolt is also threadedly connected to the insertion hole.

9. The zero-position adjustable high-consistency electric push rod according to claim 8, wherein an O-ring is further disposed in the first countersunk hole, and the O-ring is sleeved on the clamping bolt.

10. The zero-position adjustable high-consistency electric linear actuator according to claim 1, wherein the upper end of the adjusting nut further has a slot.

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