A door lock engagement depth gauge

Abstract

The utility model relates to elevator test technical field, concretely is a door lock engagement depth ruler, including first body, second body and level meter, first body and second body are detachably connected through alignment structure, the edge of first body and second body all is equipped with a plurality of scale pieces, first body and second body connect, form multiple sets of engagement depth ruler, the surface height of each set of engagement depth ruler is a value range and is used for measuring the engagement depth of the lock hook, the level meter sets up in the alignment structure of first body and second body. The surface height of the multiple sets of engagement depth ruler formed by the application is a range, and the actual engagement depth of the door lock can be inferred in combination with multiple ranges to obtain accurate results. In addition, the application also sets the level meter, reduces the horizontal placement error, and further makes the measurement result more accurate.

Description

Technical Field

[0001] This utility model relates to the field of elevator testing technology, specifically a door lock engagement depth gauge. Background Technology

[0002] Figure 1 A schematic diagram of the engagement depth of elevator door locks as specified in existing technical regulations, such as... Figure 1 As shown, according to Clause 5.3.9.1.2 of GB / T7588.1-2020 "Safety Code for Elevator Manufacturing and Installation Part 1: Passenger Elevators and Load Elevators", "Electrical safety devices shall only operate when the locking parts are engaged for not less than 7 mm".

[0003] Considering the structural characteristics of elevator door lock devices, conventional steel rulers or vernier calipers cannot conveniently and accurately measure the engagement depth of the locking components. Existing door lock engagement depth gauges are manufactured with a 7mm height difference between the measuring surfaces, but no matter how precise the machining process, the finished product cannot guarantee an exact 7mm dimension; there will always be a certain error. The dimension will always be 7±△mm. The more precise the machining equipment, the smaller △ will be, but it cannot be guaranteed that the △ of each finished product will be 0.

[0004] Therefore, using the existing door lock engagement depth gauge to measure and determine the engagement depth carries a certain risk of missed or incorrect judgments. Furthermore, the horizontal placement error of the depth gauge during measurement further increases the risk of missed or incorrect judgments. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a door lock engagement depth gauge to solve the technical problems in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model discloses a door lock engagement depth gauge, comprising a first body, a second body, and a level; the first body and the second body are detachably connected by an alignment structure; each of the first body and the second body has multiple scale plates on its edges, and when the first body and the second body are connected, multiple sets of engagement depth gauges are formed; the surface height of each set of engagement depth gauges is within a range and is used to measure the engagement depth of the lock hook; the level is disposed in the alignment structure of the first body and the second body.

[0008] Furthermore, the first body includes a first annular body and a plurality of scale pieces arranged in a circumferential array around the first annular body, and the second body includes a second annular body and a plurality of scale pieces arranged in a circumferential array around the second annular body.

[0009] The first annular body has a docking ring on its inner side, and the docking ring has a limiting surface on its outer side to prevent the first body and the second body from rotating relative to each other. The second annular body has a corresponding limiting surface on its inner side, and the second annular body is fitted onto the outer side of the docking ring under the restriction of the limiting surface.

[0010] Furthermore, the inner wall of the first annular body is provided with a limiting protrusion, the level is cylindrical, and the observation end of the level is inserted into the first annular body from the inside of the first body and limited by the limiting protrusion.

[0011] Furthermore, it also includes a limiting cover plate, one side of which is provided with a snap-fit ​​ring, which is fixedly disposed in the second ring body, and the other end of the level is fixed by the limiting cover plate.

[0012] Furthermore, it includes four sets of engagement depth gauges, of which two sets are used to measure the upper left and lower right locking hooks, and the other two sets are used to measure the lower left and upper right locking hooks.

[0013] Furthermore, in the two sets of engagement depth gauges, the surface height of one set of engagement depth gauges ranges from 7.1 mm to 7.2 mm, and the surface height of the other set of engagement depth gauges ranges from 6.8 mm to 6.9 mm.

[0014] Furthermore, in the other two sets of engagement depth gauges, the surface height of one set of engagement depth gauges ranges from 7.1 mm to 7.2 mm, and the surface height of the other set of engagement depth gauges ranges from 6.8 mm to 6.9 mm.

[0015] The beneficial effects of this utility model are as follows: This utility model provides a door lock engagement depth gauge, comprising a first body, a second body, and a level. The first body and the second body are detachably connected via an alignment structure. Multiple ruler plates are provided on the edges of both the first and second bodies, forming multiple sets of engagement depth gauges when connected. The surface height of each set of engagement depth gauges is within a range and is used to measure the engagement depth of the lock hook. The level is located within the alignment structure of the first and second bodies. The multiple sets of engagement depth gauges formed in this application have a surface height within a range; combining these ranges allows for the estimation of the actual engagement depth of the door lock, resulting in accurate measurements. Furthermore, this application also includes a level to reduce horizontal placement errors, further enhancing the accuracy of the measurement results. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1This is a schematic diagram of the engagement depth of elevator door locks as specified in existing technical regulations;

[0018] Figure 2 This is a schematic diagram of a door lock engagement depth gauge shown in one embodiment of this application;

[0019] Figure 3 This is a cross-sectional view of a door lock engagement depth gauge according to an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of a test scenario in one embodiment of this application;

[0021] 1-First main body, 11-First annular body, 12-Docking ring, 13-Limiting protrusion;

[0022] 2-Second main body, 21-Second torus;

[0023] 3-Level;

[0024] 4-foot piece;

[0025] 5-Limit cover plate, 51-Snap-fit ​​ring. Detailed Implementation

[0026] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0027] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the layers related to the present invention and are not drawn according to the actual number, shape and size of the layers in the actual implementation. In the actual implementation, the form, number and proportion of each layer can be arbitrarily changed, and the layer layout may also be more complex.

[0028] Numerous details are explored in the following description to provide a more thorough explanation of embodiments of the present invention; however, it will be apparent to those skilled in the art that embodiments of the present invention may be practiced without these specific details.

[0029] Figure 2 This is a schematic diagram of a door lock engagement depth gauge shown in one embodiment of this application, as follows: Figure 2As shown, a door lock engagement depth gauge according to this embodiment includes a first body 1, a second body 2, and a level 3; the first body 1 and the second body 2 are detachably connected by an alignment structure; the edges of the first body 1 and the second body 2 are provided with multiple ruler plates 4, and when the first body 1 and the second body 2 are connected, multiple sets of engagement depth gauges are formed; the surface height of each set of engagement depth gauges is a range of values ​​and is used to measure the engagement depth of the lock hook; the level 3 is set in the alignment structure of the first body 1 and the second body 2.

[0030] This application uses multiple sets of engagement depth gauges to form multiple surface height ranges. These multiple ranges are used to comprehensively judge the engagement depth of the door lock, thus obtaining more accurate test results even when manufacturing errors exist. For example, if one set of engagement depth gauges has a measurement range of 6.8mm to 6.9mm and another set has a measurement range of 7.1mm to 7.2mm, then if the engagement depth test is performed using an engagement depth gauge with a range of 6.8mm to 6.9mm, the electrical safety device contacts will close, which is non-compliant and judged as "unqualified." However, if the engagement depth test is performed using an engagement depth gauge with a range of 7.1mm to 7.2mm, the electrical safety device contacts will open, and the lock will be judged as "qualified." Therefore, it can be determined that the door lock engagement depth is at a critical state, and based on a conservative estimation principle, it can be judged as "unqualified."

[0031] Figure 3 This is a cross-sectional view of a door lock engagement depth gauge according to one embodiment of this application, as shown below. Figure 3 As shown, the first body 1 includes a first annular body 11 and a plurality of scale pieces 4 arranged in a circumferential array around the first annular body 11. The second body 2 includes a second annular body 21 and a plurality of scale pieces 4 arranged in a circumferential array around the second annular body 21. A docking ring 12 is provided on the inner side of the first annular body 11, and a limiting surface is provided on the outer side of the docking ring 12 to prevent the first body 1 and the second body 2 from rotating relative to each other. A corresponding limiting surface is provided on the inner side of the second annular body 21, and the second annular body 21 is fitted onto the outer side of the docking ring 12 under the restriction of the limiting surface.

[0032] The inner wall of the first annular body 11 is provided with a limiting protrusion 13. The level 3 is cylindrical. The observation end of the level 3 is inserted into the first annular body 11 from the inside of the first main body 1 and is limited by the limiting protrusion 13.

[0033] In addition, such as Figure 3 As shown, this application also includes a limiting cover plate 5. A snap ring 51 is provided on one side of the limiting cover plate 5. The snap ring 51 is fixedly installed inside the second annular body 21. The other end of the level 3 is fixed by the limiting cover plate 5.

[0034] During assembly, according to Figure 3By assembling the structure shown, a door lock engagement depth gauge as described in this application can be obtained. Therefore, this application has the advantage of simple assembly. The following is the specific structure and implementation principle of the door lock engagement depth gauge described in this application:

[0035] The door lock engagement depth gauge described in this application includes four sets of engagement depth gauges. Two sets of engagement depth gauges are used to measure the lock hooks at the upper left and lower right, and the other two sets are used to measure the lock hooks at the lower left and upper right. Of the two sets of engagement depth gauges, one set has a surface height range of 7.1mm to 7.2mm, and the other set has a surface height range of 6.8mm to 6.9mm.

[0036] Of the other two sets of engagement depth gauges, one set has a surface height range of 7.1mm to 7.2mm, and the other set has a surface height range of 6.8mm to 6.9mm.

[0037] Figure 4 This is a schematic diagram of a test scenario in one embodiment of this application, such as... Figure 4 As shown, during measurement, if a measurement of 6.8mm–6.9mm is judged as "qualified," while a measurement of 7.1mm–7.2mm is judged as "unqualified," it proves that the actual engagement depth is within the range of 6.8mm–7.2mm, which is a critical state. That is, the actual engagement depth may be between 6.8mm and 7.0mm, which is "unqualified," or it may be between 7.0mm and 7.2mm, which is "qualified." However, in this case, the margin for engagement depth is too small, and the contact spring is prone to warping and change, easily leading to an engagement depth less than 7.0mm. Therefore, in this situation, to reduce risk, judging it as "unqualified" is not unreasonable. Furthermore, all measurements have errors, the magnitude of which depends on the instruments and equipment used, the measurement environment, and the measurement operation. Therefore, a slightly conservative judgment of the measurement results is necessary.

[0038] This utility model discloses a door lock engagement depth gauge, comprising a first body, a second body, and a level. The first and second bodies are detachably connected via an alignment structure. Multiple scale plates are provided on the edges of both the first and second bodies, forming multiple sets of engagement depth gauges when connected. The surface height of each set of engagement depth gauges is within a range and is used to measure the engagement depth of the lock hook. The level is located within the alignment structure of the first and second bodies. The multiple sets of engagement depth gauges formed in this application have a range of surface heights; combining these ranges allows for the estimation of the actual engagement depth of the door lock, resulting in accurate measurements. Furthermore, this application includes a level to reduce horizontal placement errors, further enhancing measurement accuracy. In addition, this application features a simple and easy-to-manufacture structure, intuitive measurement and judgment, convenient operation, and high measurement and judgment efficiency. It effectively avoids the risk of missed or incorrect judgments of critical values.

[0039] In the above embodiments, although the present invention has been described in conjunction with specific embodiments thereof, many substitutions, modifications, and variations of these embodiments will be apparent to those skilled in the art from the foregoing description. The embodiments of the present invention are intended to cover all such substitutions, modifications, and variations falling within the broad scope of the appended claims.

[0040] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A door lock engagement depth gauge, characterized in that, It includes a first body (1), a second body (2) and a level (3); the first body (1) and the second body (2) are detachably connected by an alignment structure; the edges of the first body (1) and the second body (2) are provided with multiple rulers (4), and when the first body (1) and the second body (2) are connected, multiple sets of engagement depth rulers are formed; the surface height of each set of engagement depth rulers is a range of values ​​and is used to measure the engagement depth of the lock hook; the level (3) is set in the alignment structure of the first body (1) and the second body (2).

2. A door lock engagement depth gauge according to claim 1, characterized in that, The first body (1) includes a first annular body (11) and a plurality of scale pieces (4) arranged in a circumferential array around the first annular body (11), and the second body (2) includes a second annular body (21) and a plurality of scale pieces (4) arranged in a circumferential array around the second annular body (21). The first annular body (11) has a docking ring (12) on its inner side. The docking ring (12) has a limiting surface on its outer side to prevent the first body (1) and the second body (2) from rotating relative to each other. The second annular body (21) has a corresponding limiting surface on its inner side. The second annular body (21) is fitted onto the outer side of the docking ring (12) under the restriction of the limiting surface.

3. A door lock engagement depth gauge according to claim 2, characterized in that, The inner wall of the first annular body (11) is provided with a limiting protrusion (13). The level (3) is cylindrical. The observation end of the level (3) is inserted into the first annular body (11) from the inside of the first main body (1) and is limited by the limiting protrusion (13).

4. A door lock engagement depth gauge according to claim 3, characterized in that, It also includes a limiting cover plate (5), one side of which is provided with a snap ring (51), the snap ring (51) is fixedly disposed inside the second annular body (21), and the other end of the level (3) is fixed through the limiting cover plate (5).

5. A door lock engagement depth gauge according to claim 1, characterized in that, It includes four sets of engagement depth gauges, two of which are used to measure the upper left and lower right locking hooks, and the other two are used to measure the lower left and upper right locking hooks.

6. A door lock engagement depth gauge according to claim 5, characterized in that, Of the two sets of engagement depth gauges, one set has a surface height range of 7.1mm to 7.2mm, and the other set has a surface height range of 6.8mm to 6.9mm.

7. A door lock engagement depth gauge according to claim 5, characterized in that, Of the other two sets of engagement depth gauges, one set has a surface height range of 7.1mm to 7.2mm, and the other set has a surface height range of 6.8mm to 6.9mm.

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