Handle assembly and total station

Abstract

The utility model relates to the technical field of measuring instruments, and discloses a lifting handle assembly and a total station, the lifting handle assembly comprises a lifting handle main body and two cover plates; mounting cavities are formed in the two ends of the handle body, a first boss and a second boss are oppositely arranged on the end faces, facing the cover plate, of the mounting cavities, the first boss and the second boss are arranged in an inverted-V shape, and sliding grooves corresponding to the first boss and the second boss are formed in the cover plate; a first clamping part is arranged on the side wall, facing the handle body, of the top of the cover plate, clamping grooves with downward openings are formed in the first clamping part, and second clamping parts which are the same as the clamping grooves in number and correspond to the clamping grooves in position are arranged in the mounting cavity; a threaded hole is formed in the bottom of the handle body in the first direction, and a locking screw is arranged at the bottom of the cover plate. The lifting handle has the advantages that the lifting handle body and the cover plate can be conveniently and rapidly disassembled and assembled, the overhaul efficiency is improved, in addition, the cover plate structure does not need to be damaged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a handle assembly and a total station instrument. Background Art

[0002] In the prior art, in order to reduce the volume of the total station instrument, the inside of the handle assembly of the total station instrument is generally a hollow structure for installing a cable socket or electronic components. In the existing handle assembly, positioning holes are provided on the handle body, and positioning posts are provided on the two end covers of the handle assembly. During installation, glue needs to be applied to the positioning posts and inserted into the positioning holes to fixedly connect the handle body and the two end covers. When it is necessary to repair the cable socket or electronic components in the later stage, it is necessary to damage the positioning posts on the cover plate to disassemble the cover plate. The disassembly and assembly efficiency is low, and the cover plate cannot be reused. In addition, the vibration caused by damaging the positioning posts easily affects the overall measurement accuracy of the total station instrument, is not easy to adjust, and the maintenance cost is high. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a handle assembly and a total station instrument, which facilitate the quick disassembly and assembly between the handle body and the cover plate, improve the maintenance efficiency. In addition, it is not necessary to damage the cover plate structure, reducing the maintenance cost.

[0004] To achieve the above purpose, the utility model provides a handle assembly, including a handle body and two cover plates;

[0005] Installation cavities are provided at both ends of the handle body. First bosses and second bosses are oppositely provided on the end faces of the installation cavities facing the cover plates. The first bosses and the second bosses extend from the top of the handle body towards the bottom of the handle body, and the first bosses and the second bosses are arranged in an inverted V shape. Sliding grooves corresponding to the first bosses and the second bosses are formed on the side walls of the cover plates facing the handle body;

[0006] A first clamping portion is provided on the side wall of the top of the cover plate facing the handle body. The first clamping portion is provided with a downward-opening clamping groove, and second clamping portions with the same number and corresponding positions as the clamping groove are provided in the installation cavity;

[0007] Threaded holes are formed in the bottom of the handle body along a first direction, and locking screws corresponding to the threaded holes are provided at the bottom of the cover plate;

[0008] Wherein, the first bosses and the second bosses are respectively located in the sliding grooves, the second clamping portions are located in the clamping grooves, and the locking screws lock and fix the cover plate and the handle body, and seal the installation cavity.

[0009] Further, it further includes a fixedly connected antenna connector assembly and a fixing base. The fixing base is disposed in the installation cavity, and the fixing base is provided with the second clamping portion.

[0010] Further, the antenna connector assembly includes a connector body and a plug body. The fixing base includes a mounting plate and a connecting plate. The connecting plate is vertically disposed for fixing with the handle body. The mounting plate is horizontally disposed. The connector body is fixedly disposed on the mounting plate. An installation hole corresponding to the plug body is provided at the bottom of the installation cavity. The second clamping portion is disposed on the mounting plate.

[0011] Further, a U-shaped groove is formed at the bottom of the connecting plate, and a fixing screw for connecting with the handle body is provided in the U-shaped groove.

[0012] Further, a limiting groove is formed on the top surface of the handle body. The limiting groove and one of the cover plates cooperate to form an installation opening for installing a dust-proof cover plate. A sealing counter bore is provided at the bottom of the dust-proof cover plate. The top of the connector body is clamped in the sealing counter bore.

[0013] Further, the number of the first clamping portions is at least two.

[0014] Further, the installation gap between the first boss, the second boss and the sliding groove is less than or equal to 0.1 mm.

[0015] The present invention also provides a total station, including the handle assembly described in any one of the above, and further including a total station body. A through hole is formed at the bottom of the handle body, and an installation screw for fixedly connecting with the total station body is provided in the through hole.

[0016] Compared with the prior art, the handle assembly and the total station in the embodiment of the present invention have the following beneficial effects: The first boss and the second boss are arranged in an inverted V shape. The cover plate is provided with sliding grooves corresponding to the first boss and the second boss. The cover plate is provided with a first clamping portion. The first clamping portion is provided with a clamping groove. The installation cavity is provided with a second clamping portion having the same number and corresponding position as the clamping groove. When fixing the cover plate and the handle body, the first boss and the second boss are respectively located in the sliding grooves for horizontal direction limiting during installation. The second clamping portion is located in the clamping groove for vertical direction limiting during installation. The locking screw is used to lock and fix the cover plate and the handle body and seal the installation cavity. The overall structure is simple, easy to disassemble and assemble, improving the maintenance efficiency, without damaging the cover plate structure, and reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a part schematic diagram of the handle assembly in the embodiment of the present invention;

[0018] Figure 2It is a schematic structural diagram of the handle assembly according to an embodiment of the present utility model;

[0019] Figure 3 It is a schematic structural diagram of the handle main body of the handle assembly according to an embodiment of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of the cover plate of the handle assembly according to an embodiment of the present utility model;

[0021] Figure 5 It is a schematic structural diagram of the fixed seat of the handle assembly according to an embodiment of the present utility model;

[0022] Figure 6 It is a cross-sectional view of the handle main body of the handle assembly according to an embodiment of the present utility model;

[0023] Figure 7 It is an assembly schematic diagram of the handle assembly according to an embodiment of the present utility model.

[0024] In the figure, 1, handle main body; 11, installation cavity, 111, first boss; 112, second boss; 113, installation hole; 12, threaded hole; 2, cover plate; 21, chute; 22, first clamping portion, 221, clamping groove; 3, fixed seat; 31, second clamping portion; 32, mounting plate; 33, connecting plate; 331, U-shaped groove; 332, fixing screw; 4, locking screw; 5, antenna connector assembly; 51, connector main body; 52, plug main body; 6, installation opening; 7, dust-proof cover plate; 71, sealing counterbore; 8, total station main body; 9, installation screw; X, first direction. Specific embodiments

[0025] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but do not limit the scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. in the present utility model is based on the positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device and element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0027] In the description of the present utility model, it should be understood that the terms "first", "second", etc. are used in the present utility model to describe various information, but such information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present utility model, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.

[0028] As Figure 1 shown, a handle assembly of a preferred embodiment of the present utility model includes a handle body 1 and two cover plates 2; for the convenience of description, refer to Figure 1 , and now define the length direction of the handle body 1 as the first direction X. Among them, in order to reduce the overall weight of the handle assembly, refer to Figure 6 , the inside of the handle body 1 is hollow, and installation cavities 11 are provided at both ends of the handle body 1. For the convenience of guiding and limiting the handle and the cover plate 2 during installation in the horizontal direction, refer to Figure 1 , Figure 3 , opposite first bosses 111 and second bosses 112 are provided on the end faces of the installation cavities 11 facing the cover plates 2. The first bosses 111 and the second bosses 112 have the same size and are both inclined. Specifically, refer to Figure 3 , the first bosses 111 and the second bosses 112 extend from the top of the handle body 1 towards the bottom of the handle body 1, and the first bosses 111 and the second bosses 112 are arranged in an inverted V shape. Correspondingly, refer to Figure 4 , sliding grooves 21 corresponding to the first bosses 111 and the second bosses 112 are formed on the side walls of the cover plates 2 facing the handle body 1. Further, in order to achieve vertical installation positioning, refer to Figure 4 , Figure 7 , a first clamping portion 22 is provided on the side wall of the top of the cover plate 2 facing the handle body 1. A clamping groove 221 with a downward opening is provided on the first clamping portion 22, and second clamping portions 31 with the same number and corresponding positions as the clamping grooves 221 are provided in the installation cavities 11. Further, in this embodiment, in order to improve the stability of the limit between the second clamping portion 31 and the first clamping portion 22, the number of the first clamping portions 22 and the second clamping portions 31 is at least 2.

[0029] Refer to Figure 1 , Figure 6In order to facilitate the quick disassembly and assembly between the handle body 1 and the cover plate 2, a threaded hole 12 is provided at the bottom of the handle body 1 along the first direction X, and a locking screw 4 corresponding to the threaded hole 12 is provided at the bottom of the cover plate 2. When installing the cover plate 2, the sliding grooves 21 on the cover plate 2 are respectively aligned with the first boss 111 and the second boss 112. The first boss 111 and the second boss 112 are respectively located in the sliding grooves 21, and the cover plate 2 is slid downward until the second clamping portion 31 is clamped in the clamping groove 221. The cover plate 2 is locked and fixed to the handle body 1 through the locking screw 4, and the installation cavity 11 is sealed.

[0030] Further, in this embodiment, referring to Figure 1 , the fixed electronic component in the handle assembly is an antenna structure assembly. In order to facilitate the installation of the antenna connector assembly 5, a fixing seat 3 is further included. The fixing seat 3 is arranged in the installation cavity 11. In order to facilitate the arrangement of the second clamping portion 31, the second clamping portion 31 is arranged on the fixing seat 3. Specifically, referring to Figure 1 , the antenna connector assembly 5 includes a connector body 51 and a plug body 52. The fixing seat 3 includes a mounting plate 32 and a connecting plate 33. In this embodiment, to improve the structural strength of the fixing seat 3, the mounting plate 32 and the connecting plate 33 are integrally formed by an injection molding process. Among them, the connecting plate 33 is vertically arranged for fixing with the handle body 1. Specifically, referring to Figure 1 、 Figure 5 , the connecting plate 33 and the handle body 1 are fixedly connected by screws. The mounting plate 32 is horizontally arranged, and the connector body 51 is fixedly arranged on the mounting plate 32 by screws. An installation hole 113 corresponding to the plug body 52 is provided at the bottom of the installation cavity 11, and the second clamping portion 31 is arranged on the mounting plate 32.

[0031] Further, in order to facilitate the arrangement of the fixing seat 3 in the installation cavity 11, specifically, in this embodiment, referring to Figure 1 、 Figure 5 , a U-shaped groove 331 is provided at the bottom of the connecting plate 33, and a fixing screw 332 for connecting with the handle body 1 is provided in the U-shaped groove 331. Further, in order to facilitate the tightening of the screws at various places in this embodiment and avoid slipping of the threads, a torque wrench is used for tightening and fixing, and the torque required for tightening the screws at various places is 20 N.

[0032] Even further, referring to Figure 1 、 Figure 6, in order to facilitate the connection between the antenna connector assembly 5 and the antenna when the total station is working, a limiting groove is provided on the top surface of the handle main body 1. The limiting groove and a cover plate 2 cooperate to form an installation opening 6. The external antenna and the antenna connector assembly 5 can be installed through the installation opening 6. In order to facilitate the sealing of the installation cavity 11 and at the same time dust-proof the antenna connector assembly 5, a detachable dust-proof cover plate 7 is provided in the installation opening 6. A sealing counterbore 71 is provided at the bottom of the dust-proof cover plate 7, and the top of the connector main body 51 is clamped in the sealing counterbore 71. Specifically, the dust-proof cover plate 7 is made of a flexible material, and an interference fit is provided between the sealing counterbore 71 and the connector main body 51.

[0033] Further, in order to improve the installation accuracy between the first boss 111, the second boss 112 and the sliding groove 21, the installation gap between the first boss 111, the second boss 112 and the sliding groove 21 is less than or equal to 0.1 mm. At the same time, in order to ensure that the first boss 111 and the second boss 112 have good structural strength, the thicknesses of the first boss 111 and the second boss 112 are greater than or equal to 1 mm, and can be adjusted according to actual design requirements.

[0034] The present utility model also provides a total station, including the handle assembly of any one of the above, and further including a total station main body 8. Refer to Figure 7 , in order to facilitate the quick disassembly and assembly of the handle assembly and the total station main body 8, a through hole is provided at the bottom of the handle main body 1, and an installation screw 9 for fixedly connecting with the total station main body 8 is provided in the through hole. The torque required when the installation screw 9 is tightened is 50 N.

[0035] In summary, the embodiment of the present utility model provides a handle assembly and a total station. The first boss 111 and the second boss 112 are arranged in an inverted V shape. The cover plate 2 is provided with sliding grooves 21 corresponding to the first boss 111 and the second boss 112. The cover plate 2 is provided with a first clamping portion 22, and the first clamping portion 22 is provided with a clamping groove 221. The installation cavity 11 is provided with a second clamping portion 31 having the same number and corresponding positions as the clamping grooves 221; when the cover plate 2 and the handle main body 1 are fixed, the first boss 111 and the second boss 112 are respectively located in the sliding grooves 21 for horizontal direction limiting during installation, and the second clamping portion 31 is located in the clamping groove 221 for vertical direction limiting during installation. The locking screw 4 is used to lock and fix the cover plate 2 and the handle main body 1 and seal the installation cavity 11. The overall structure is simple, easy to disassemble and assemble, improves the maintenance efficiency, does not need to damage the structure of the cover plate 2, and reduces the maintenance cost.

[0036] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and replacements can still be made, and these improvements and replacements should also be regarded as the protection scope of the present utility model.

Claims

1. A handle assembly, characterized in that: It includes a handle body and two cover plates; Both ends of the handle body are provided with mounting cavities, and the end surface of the mounting cavity facing the cover plate is provided with a first boss and a second boss opposite to each other, the first boss and the second boss extend from the top of the handle body toward the bottom of the handle body, and the first boss and the second boss are arranged in an inverted V shape, and the side wall of the cover plate facing the handle body is provided with a slide groove corresponding to the first boss and the second boss; A first clamping portion is provided on the top of the cover plate toward the side wall of the handle body, the first clamping portion is provided with a clamping slot opening downward, and a second clamping portion having the same number and corresponding position as the clamping slot is provided in the installation cavity; A threaded hole is formed at the bottom of the handle body along a first direction, and a locking screw corresponding to the threaded hole is formed at the bottom of the cover plate; The first boss and the second boss are respectively located in the slide groove, the second clamping portion is located in the clamping groove, and the locking screw locks and fixes the cover plate and the handle body and seals the installation cavity.

2. The handle assembly according to claim 1, characterized in that: It also includes an antenna connector assembly and a fixing base that are fixedly connected. The fixing base is arranged in the installation cavity, and the fixing base is provided with the second clamping portion.

3. The handle assembly according to claim 2, characterized in that: The antenna connector assembly includes a connector body and a plug body, the fixing seat includes a mounting plate and a connecting plate, the connecting plate is vertically arranged for fixing to the handle body, the mounting plate is horizontally arranged, the connector body is fixedly arranged on the mounting plate, a mounting hole corresponding to the plug body is arranged at the bottom of the mounting cavity, and the second clamping portion is arranged on the mounting plate.

4. The handle assembly according to claim 3, characterized in that: A U-shaped groove is provided at the bottom of the connecting plate, and a fixing screw for connecting with the handle body is provided in the U-shaped groove.

5. The handle assembly according to claim 3, characterized in that: The top surface of the handle body is provided with a limiting groove, and the limiting groove cooperates with the cover plate to form an installation opening for installing a dust cover plate. The bottom of the dust cover plate is provided with a sealing countersunk hole, and the top of the joint body is clamped in the sealing countersunk hole.

6. The handle assembly according to claim 1, characterized in that: The number of the first clamping parts is at least 2.

7. The handle assembly according to claim 1, characterized in that: The installation clearance between the first boss, the second boss and the slide groove is less than or equal to 0.1 mm.

8. A total station, comprising the handle assembly according to any one of claims 1 to 7, characterized in that: It also includes a total station body, a through hole is opened at the bottom of the handle body, and a mounting screw for fixedly connecting with the total station body is arranged in the through hole.

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