Scale indicator for straight-stroke electric actuator

By designing a scale indicator for a linear electric actuator, the problem of lack of stroke indication for small actuators is solved, intuitive judgment of the stroke distance is achieved, and the use effect is improved.

CN223434834UActive Publication Date: 2025-10-14TIANJIN BRETT VALVE TECH CO LTD
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Patent Information

Application Number
CN202422949833.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-14
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing small linear actuators lack stroke indicators, which makes it difficult for users to intuitively judge the stroke distance, affecting the use effect.

Method used

A scale indicator for a linear electric actuator is designed, which includes a mounting block, a sliding ruler, an indicator head and a scale mark. It is connected to the sliding end of the actuator through a linkage plate to achieve stroke indication.

Benefits of technology

The scale indicator makes it easier for users to judge the travel distance, and is compatible with most actuators to improve the use effect.

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Abstract

The utility model discloses a straight stroke electric actuator scale indicator which comprises an installation block, a sliding ruler which is arranged on one side of the installation block in a sliding mode in the length direction of the installation block, the top of the sliding ruler is connected with an indicating head, and the bottom of the sliding ruler penetrates through the bottom wall of the installation block to be connected with a linkage plate. Scale marks are arranged on the installation block along the motion trail of the indicating head. Compared with the prior art, the straight stroke electric actuator scale indicator has the advantages that the straight stroke electric actuator scale indicator can be conveniently matched with an existing small straight stroke actuator for use and can be conveniently matched with the existing small straight stroke actuator for stroke indication.
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Description

Technical Field

[0001] The utility model relates to the technical field of scale indicators of linear actuators, in particular to a scale indicator of a linear electric actuator. Background Art

[0002] When processing parts, linear actuators are often used. Linear actuators can be used both electrically and manually. However, in order to meet different usage needs, the required motion strokes of small linear actuators in the prior art are not consistent. However, most of the existing small linear actuators lack stroke indicators, which makes it impossible for users to intuitively judge the stroke distance during use, which may affect their actual use effect. Utility Model Content

[0003] (1) Problems to be solved

[0004] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a linear electric actuator scale indicator which is convenient for use with an existing small linear actuator and convenient for performing stroke indication in conjunction with the existing small linear actuator.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a linear electric actuator scale indicator includes a mounting block, a sliding ruler is provided on one side of the mounting block and is slidably arranged along its length direction, the top of the sliding ruler is connected to an indicating head, the bottom of the sliding ruler passes through the bottom wall of the mounting block and is connected to a linkage plate, and scale marks are provided on the mounting block along the motion trajectory of the indicating head.

[0007] As an improvement, the mounting block includes an upper shell and a lower shell, and a plurality of threaded grooves corresponding to the positions of the upper shell and the lower shell are provided between the upper shell and the lower shell. Positioning bolts are connected in the threaded grooves to form a sliding channel between the upper shell and the lower shell.

[0008] As an improvement, an L-shaped connecting arm is connected between the indicating head and the sliding ruler, and a stopper is provided on the top of the sliding ruler away from the L-shaped connecting arm;

[0009] The middle part of the upper shell is provided with a notch arranged along its length direction, and the scale mark is arranged along the length direction of the notch. A guide groove is formed between the stopper and the L-shaped connecting arm and is engaged with the groove wall of the notch.

[0010] As an improvement, a positioning linkage hole is provided on the linkage plate through its side wall.

[0011] (3) Beneficial effects

[0012] The advantages of the present invention compared with the prior art are: in this application, it is convenient to install with the existing actuator through the mounting block, is connected to the sliding end of the actuator through the linkage plate, and indicates the scale after movement through the indicator head, thereby meeting the use needs and being convenient to adapt to the use of most actuators. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the scale indicator of a linear electric actuator.

[0014] Figure 2 It is a structural diagram of the exploded view of the scale indicator of a linear electric actuator.

[0015] Figure 3 It is a structural diagram of the scale indicator of a linear electric actuator from the second perspective.

[0016] As shown in the figure: 1. Mounting block; 2. Sliding ruler; 3. Indicator head; 4. Linkage plate; 5. Scale mark; 6. Upper shell; 7. Lower shell; 8. Threaded groove; 9. Sliding groove; 10. L-shaped connecting arm; 11. Stop block; 12. Notch; 13. Positioning linkage hole. DETAILED DESCRIPTION

[0017] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0018] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art in the technical field to which the present invention pertains. The terminology used herein in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0021] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0022] Please refer to the attached Figure 1-3 The linear electric actuator scale indicator includes a mounting block 1, one side of the mounting block 1 is provided with a sliding ruler 2 slidingly arranged along its length direction, the top of the sliding ruler 2 is connected with an indicating head 3, the bottom of the sliding ruler 2 passes through the bottom wall of the mounting block 1 and is connected to a linkage plate 4, and a scale mark 5 is provided on the mounting block 1 along the motion trajectory of the indicating head 3.

[0023] In specific use, the mounting block 1 includes an upper shell 6 and a lower shell 7. A plurality of corresponding threaded grooves 8 are provided between the upper shell 6 and the lower shell 7. Positioning bolts are connected in the threaded grooves 8. A sliding channel 9 is formed between the upper shell 6 and the lower shell 7. An L-shaped connecting arm 10 is connected between the indicating head 3 and the sliding ruler 2. A stopper 11 is also provided on the top of the sliding ruler 2 away from the L-shaped connecting arm 10.

[0024] In order to facilitate the use of guidance, the middle part of the upper shell 6 is provided with a notch 12 arranged along its length direction, and the scale mark 5 is arranged along the length direction of the notch 12. A guide groove is formed between the stop block 11 and the L-shaped connecting arm 10, and the groove wall of the notch 12 is locked. A positioning linkage hole 13 is provided on the linkage plate 4 through its side wall. The positioning linkage hole 13 can be connected to the sliding end of the actuator to complete the linkage, so that the indicating head 3 slides to indicate the scale.

[0025] In actual application, the installation and fixation of the mounting block is completed by clamping the sliding groove and the straight-stroke actuator column. The corresponding size specifications can be adjusted for use according to different actuator specifications. After fixation, the positioning linkage hole 13 and the sliding end of the actuator are linked by means of additional positioning blocks, positioning bolts, etc. At this time, the movement of the indicator head 3 can be controlled when the actuator is used to complete the scale indication.

[0026] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0028] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. Scale indicator for linear electric actuator, characterized by: The invention comprises a mounting block (1), wherein a sliding ruler (2) is provided on one side of the mounting block (1) and is slidably arranged along the length direction thereof, an indicator head (3) is connected to the top of the sliding ruler (2), and a linkage plate (4) is connected to the bottom of the sliding ruler (2) through the bottom wall of the mounting block (1), and a scale mark (5) is provided on the mounting block (1) along the motion track of the indicator head (3).

2. The linear electric actuator scale indicator according to claim 1, characterized in that: The mounting block (1) comprises an upper shell (6) and a lower shell (7), wherein a plurality of thread grooves (8) correspondingly arranged at positions are provided between the upper shell (6) and the lower shell (7), and a positioning bolt is connected in the thread groove (8), and a sliding channel (9) is formed between the upper shell (6) and the lower shell (7).

3. The linear electric actuator scale indicator according to claim 2, characterized in that: An L-shaped connecting arm (10) is connected between the indicating head (3) and the sliding ruler (2), and a stopper (11) is provided on the top of the sliding ruler (2) away from the L-shaped connecting arm (10); The middle portion of the upper shell (6) is provided with a notch (12) arranged along its length direction, the scale mark (5) is arranged along the length direction of the notch (12), and a guide groove is formed between the stopper (11) and the L-shaped connecting arm (10) and is engaged with the groove wall of the notch (12).

4. The linear electric actuator scale indicator according to claim 1, characterized in that: The linkage plate (4) is provided with a positioning linkage hole (13) penetrating the side wall thereof.