CN219705012U

CN219705012U - Gram head mounting tool

Info

Publication number: CN219705012U
Application number: CN202320676629.2U
Authority: CN
Inventors: 杨佳儒; 单士起; 赵亚城; 张小正; 郝爱霞; 计亚兴; 李刚; 曾刚; 郭毅飞; 孙洪涛
Original assignee: China Techenergy Co Ltd
Current assignee: China Techenergy Co Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-19
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a glan head installation tool which is used for fastening a glan head nut. The gram head mounting tool comprises a sleeve, the sleeve is matched with the nut in shape, a plurality of notch parts are formed in the end part of the sleeve, and the notch parts are distributed along the circumferential direction of the sleeve; still include the spanner, spanner includes first plug and second plug, and the at least partial and the notch block of first plug and second plug, and the distance between first plug and the second plug increases earlier and then reduces. This mounting tool makes things convenient for the block between spanner and the sleeve through first plug and the second plug structure of design, can carry out good screens when the intensive installation of glan for can satisfy glan installation moment requirement when the nut is installed.

Description

Gram head mounting tool

Technical Field

The utility model relates to an installation tool, in particular to a gram head installation tool.

Background

The gram head is also called a cable waterproof joint and a cable fixing head, and is widely applied to fixing and protecting wires and cables in mechanical and electrical equipment, ship electrical equipment and corrosion-resistant equipment. According to design requirements, a plurality of glans heads are required to be densely installed on the equipment shell for leading cables into the equipment shell, and each glan head is fixed on the equipment shell through nuts at the end parts of the glan heads. In order to ensure firm installation of the gram head, the installation moment requirement specified by the gram head needs to be met when the end nut is installed.

The current glan head products on the market generally need to be manually installed by adopting existing installation tools such as an open spanner, an adjustable spanner and the like, but the following problems exist in the process of densely installing the glan heads in the equipment shell by using the existing tools: the structure of an installation tool such as an open spanner or an adjustable spanner is thick and heavy, and when the spanner is screwed, the rotation space required by the arm end and the end head is larger, so that the operation is inconvenient in a narrow space, and good clamping cannot be performed when the gram heads are densely installed, so that the installation quality is unstable, and the requirement of the installation moment is difficult to reach; the installation surface of the existing installation tool and the installation nut are almost in the same plane, so that the concave nut cannot be fastened. In addition, the cable is prone to permanent damage when handling in the area where the glans is threaded, thereby affecting the electrical performance of the device.

The prior art CN102800460B discloses a transformer bushing assembly, a mounting tool for a transformer bushing and a mounting method thereof. At least two holes which extend along the axial direction of the transformer sleeve and are used for being embedded and matched with the clamping jaws on the matched transformer sleeve mounting tool are arranged on the shaft shoulder side end face of the transformer sleeve, or at least two grooves are arranged on the peripheral surface of the shaft shoulder. The transformer bushing installation tool comprises a sleeve for embedding and inserting a porcelain bushing at the rear part of the transformer bushing into a cavity; the front end of the sleeve is provided with a claw corresponding to the shape of a slot or an opening on the shaft shoulder of the transformer sleeve and the radial position of the shaft shoulder; the rear end of the sleeve is provided with a torque input end which is used for reserving a tool rotation gap between the sleeve and a sleeve installation cavity in which the transformer sleeve is positioned or extending out of the sleeve installation cavity. This solution is not suitable for nuts with attached glans heads.

In summary, the existing installation tools on the market cannot meet the requirement of dense installation of the gram heads in the equipment shell.

In view of the above technical problems, the present utility model is particularly directed.

Disclosure of Invention

The utility model mainly aims to provide a gram head installation tool which is used for solving the problem that the existing installation tool cannot meet the requirement of densely installing gram heads in an equipment shell.

In order to achieve the above object, the present utility model provides a glan head installation tool for tightening a nut of the glan head, comprising a sleeve, wherein the sleeve is matched with the shape of the nut, and the end of the sleeve is provided with a plurality of notch parts, and the notch parts are distributed along the circumferential direction of the sleeve; the wrench further comprises a first plug and a second plug, at least part of the first plug and the second plug are clamped with the notch part, and the distance between the first plug and the second plug is increased and then reduced.

Further, the sleeve comprises a plurality of wall plates, the sleeve is formed by surrounding the plurality of wall plates, and the plurality of notch parts are respectively positioned on the plurality of wall plates.

Further, the wrench further comprises a handle connecting the first plug and the second plug, the first plug and the second plug extending outwardly from one end of the handle.

Further, the first plug and the second plug have outer ends at one end far from the handle, the outer ends extending in a direction perpendicular to the wall plate and entering the notch.

Further, the first plug and the second plug include at least two bent portions.

Further, the first plug and the second plug are symmetrically distributed with respect to the axial direction of the handle.

Further, an opening portion is provided in the circumferential direction of the sleeve, and the opening portion extends in the axial direction of the sleeve.

Further, the sleeve circumferentially surrounds at least 50% of the outer length of the nut.

Further, the sleeve is at least partially hexagonal in cross section, and the sleeve comprises one or more of the wall plates.

Further, the first plug and the second plug are respectively engaged with the adjacent or opposite wall plates.

By applying the technical scheme of the utility model, at least the following beneficial effects are realized:

1. according to the mounting tool, the socket matched with the nut in shape and the wrench clamped with the socket are arranged, so that good clamping can be performed when the gram heads are densely mounted, and the requirement of gram head mounting moment can be met when the nut is mounted.

2. According to the wrench, the first plug and the second plug are optimized, so that the wrench is convenient to clamp with the sleeve, and the installation process is convenient and easy to operate.

3. The installation tool provided by the utility model has the advantages that the adaptability to the installation position is strong by arranging the opening part of the sleeve, the risk of damaging the cable is avoided during installation, and the installation performance is reliable.

4. According to the installation tool, two different types of wrenches are arranged, so that the installation tool is not influenced by a special space nut angle during fastening, and can be fastened in a normal clamping mode, and therefore the installation tool is high in universality.

5. According to the installation tool disclosed by the utility model, by arranging the wrench with the compact appearance, the rotation space required by the plug and the handle of the wrench in the installation process is small enough, so that the normal rotation of the wrench and the nut in the dense installation process is ensured, and the wrench and the nut are not on the same plane, so that the installation tool can also fasten the nut in the concave position.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic view of the operation of the glance end setting tool of example 1 of the present utility model;

FIG. 2 shows a schematic diagram of a wrench according to example 1 of the present utility model;

FIG. 3 shows a schematic view of a sleeve according to example 1 of the present utility model;

FIG. 4 shows a front view of the sleeve of embodiment 1 of the present utility model;

FIG. 5 shows a side view of the sleeve of example 1 of the present utility model;

FIG. 6 shows a front view of a densely-mounted gram head according to example 1 of the present utility model;

fig. 7 shows a partial front view of a densely-mounted glan head of example 1 of the present utility model.

FIG. 8 is a schematic diagram showing the operation of the gram head setting tool of embodiment 2 of the present utility model;

fig. 9 shows a schematic diagram of a wrench according to embodiment 2 of the present utility model.

Wherein the above figures include the following reference numerals:

1. a sleeve; 11. a notch portion; 12. an opening portion; 13. a wall plate; 2. a wrench; 21. a handle; 22. a first plug; 23. a second plug; 24. a bending part; 25. an outer end portion; 3. a gram head; 4. a nut; 5. and (3) a cable.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model is described in further detail below in connection with specific examples which are not to be construed as limiting the scope of the utility model as claimed. The term "comprising" when used indicates the presence of a feature, but does not preclude the presence or addition of one or more other features; the positional or positional relationship indicated by the terms "transverse", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are based on the positional or positional relationship shown in the drawings, are for convenience of description only, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description, unless clearly indicated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Example 1:

the present utility model proposes a glan head installation tool, as shown in fig. 1, which includes a nut 4 for fastening the glan head 3. The glan head installation tool comprises a sleeve 1 and also comprises a spanner 2. When the sleeve 1 is used, the sleeve 1 is sleeved on the periphery of the nut 4, and the inner wall of the sleeve 1 is at least partially in surface contact with the outer surface of the nut 4. The wrench 2 is engaged with the sleeve 1, and the wrench is rotated to drive the sleeve and the nut to rotate.

As shown in fig. 2, the wrench 2 comprises a first plug 22 and a second plug 23, and the wrench 2 further comprises a handle 21. The handle 21 connects the first plug 22 and the second plug 23, and the first plug 22 and the second plug 23 extend outwardly from one end of the handle 21. Preferably, the first plug 22 and the second plug 23 are elongated and rod-shaped, and are fixedly connected with one end of the handle.

According to the mounting tool, the socket matched with the nut in shape and the wrench clamped with the socket are arranged, so that good clamping can be performed when the gram heads are densely mounted, and the requirement of the mounting moment regulated by the gram heads can be met when the nuts are mounted.

As shown in fig. 3 to 5, the end of the sleeve 1 has a plurality of notched portions 11, and the notched portions 11 are distributed along the circumferential direction of the sleeve 1. As shown in fig. 1, the sleeve 1 is fitted around the nut 4 at an end thereof remote from the notch 11. At least part of the first plug 22 and the second plug 23 are engaged with the two notch portions 11, respectively. In a direction extending outward from one end of the handle 21, the distance between the first plug 22 and the second plug 23 increases and then decreases so as to extend from different angles into the two notch portions 11.

Specifically, the cross section of the nut 4 of the gram head is polygonal, and in the present utility model, the cross section of the inner wall of the sleeve 1 is not limited to a square, pentagon, hexagon, or the like, and is also a corresponding polygon to be matched with the nut. Preferably, in this embodiment, the inner and outer wall sections of the sleeve 1 are identical. That is, the sleeve 1 includes a plurality of wall plates 13, the sleeve 1 is surrounded by the plurality of wall plates 13, and the plurality of notch portions 11 are located on the plurality of wall plates 13, respectively.

It should be noted that, in the illustrated embodiment, the shape of the sleeve is only an optimal design, and in other embodiments of the present utility model, the cross section of the outer wall of the sleeve 1 may be circular, and the position of the notch 11 is determined according to the side length position of the cross section polygon of the inner wall surface of the sleeve 1.

As shown in fig. 3 to 5, an opening 12 is provided in the circumferential direction of the sleeve 1, and the opening 12 extends in the axial direction of the sleeve 1. As shown in fig. 1, the width of the opening 12 is larger than the diameter of the cable 5, and the existence of the opening 12 ensures that the sleeve 1 can be normally snapped onto the nut in the state that the glan 3 has the cable 5. The utility model does not limit the width of the opening, but the sleeve 1 surrounds at least 50% of the peripheral length of the nut 4 in the circumferential direction, so as to ensure the sleeving and transmission effects of the sleeve 1 and the nut 4.

The installation tool provided by the utility model has the advantages that the adaptability to the installation position is strong by arranging the opening part of the sleeve, the risk of damaging the cable is avoided during installation, and the installation performance is reliable.

Preferably, in the present embodiment, the nut of the glan is a commonly used hexagonal nut, the cross section of the sleeve 1 is at least part of a hexagon, further preferably the sleeve 1 comprises 4 or 5 wall plates 13, i.e. the cross section of the sleeve is four or five consecutive sides of a hexagon. In the illustration a five sided sleeve. The notch is located at the midpoint of each edge.

As shown in connection with fig. 1 and 2, the first plug 22 and the second plug 23 have outer ends 25 at the ends remote from the handle 21. Preferably, the outer end 25 extends in a direction perpendicular to the wall 13 into the cutout 11. In the present embodiment, the first plug 22 and the second plug 23 are engaged with the notch portions of the adjacent wall plates 13, respectively. Such a wrench in this embodiment is referred to as a top angle wrench, and the angle between the outer ends 25 of the first and second plugs 22, 23 is about 60 degrees.

As shown in fig. 2, the first plug 22 and the second plug 23 preferably include at least two bent portions 24, and a straight line segment after the last bent portion in the extending direction is an outer end portion 25. In the drawings, the first plug 22 and the second plug 23 extend outward from the handle 21 in the handle axial direction, and the relative distance increases after passing through the first bending portion 24, and the relative distance decreases after passing through the second bending portion 24. The design is convenient for the wrench to be clamped with the notch part of the sleeve. It is further preferred that the first plug 22 and the second plug 23 are symmetrically distributed with respect to the axial direction of the handle 21.

According to the wrench, the shapes of the first plug and the second plug are designed, so that the wrench is convenient to clamp with the sleeve, and the installation process is convenient and easy to operate.

It should be noted that the shapes of the first plug 22, the second plug 23 and the handle 21 are only optimal, and may be designed in different shapes while satisfying the functions of the present utility model, and are all within the scope of the present utility model.

As shown in fig. 6 and 7, the wrench and socket are compact, making the installation tool of the present utility model particularly suitable for dense installation of glans heads in equipment housings. According to the installation tool disclosed by the utility model, by arranging the wrench with the compact appearance, the rotation space required by the plug and the handle of the wrench in the installation process is small enough, so that the normal rotation of the wrench and the nut in the dense installation process is ensured, and the wrench and the nut are not on the same plane, so that the installation tool can also fasten the nut in the concave position.

In summary, from the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: 1. according to the mounting tool, the sleeve matched with the nut in shape and the wrench clamped with the sleeve are arranged, so that good clamping can be performed when the gram heads are densely mounted, and the requirement of gram head mounting moment is met when the nut is mounted. 2. According to the wrench, the first plug and the second plug are optimized, so that the wrench is convenient to clamp with the sleeve, and the installation process is convenient and easy to operate. 3. The installation tool provided by the utility model has the advantages that the adaptability to the installation position is strong by arranging the opening part of the sleeve, the risk of damaging the cable is avoided during installation, and the installation performance is reliable. 4. According to the installation tool disclosed by the utility model, by arranging the wrench with the compact appearance, the rotation space required by the plug and the handle of the wrench in the installation process is small enough, so that the normal rotation of the wrench and the nut in the dense installation process is ensured, and the wrench and the nut are not on the same plane, so that the installation tool can also fasten the nut in the concave position.

Example 2:

the present utility model proposes a glan head installation tool, as shown in fig. 8, which includes a nut 4 for fastening the glan head 3. The glan head installation tool comprises a sleeve 1 and also comprises a spanner 2. When the sleeve 1 is used, the sleeve 1 is sleeved on the periphery of the nut 4, and the inner wall of the sleeve 1 is at least partially in surface contact with the outer surface of the nut 4. The wrench 2 is engaged with the sleeve 1, and the wrench is rotated to drive the sleeve and the nut to rotate.

As shown in fig. 9, the wrench 2 includes a first plug 22 and a second plug 23, and the wrench 2 further includes a handle 21. The handle 21 connects the first plug 22 and the second plug 23, and the first plug 22 and the second plug 23 extend outwardly from one end of the handle 21. Preferably, the first plug 22 and the second plug 23 are elongated and rod-shaped, and are fixedly connected with one end of the handle.

As shown in fig. 3 to 5, the end of the sleeve 1 has a plurality of notched portions 11, as in embodiment 1, the notched portions 11 being distributed along the circumferential direction of the sleeve 1. As shown in fig. 8, the sleeve 1 is fitted around the nut 4 at an end thereof remote from the notch 11. At least part of the first plug 22 and the second plug 23 are engaged with the two notch portions 11, respectively. In a direction extending outward from one end of the handle 21, the distance between the first plug 22 and the second plug 23 increases and then decreases so as to extend from different angles into the two notch portions 11.

As shown in fig. 3 to 5, an opening 12 is provided in the circumferential direction of the sleeve 1, and the opening 12 extends in the axial direction of the sleeve 1. As shown in fig. 8, the width of the opening 12 is larger than the diameter of the cable 5, and the existence of the opening 12 ensures that the sleeve 1 can be normally snapped onto the nut in the state where the cable 5 is present in the glan 3. The utility model does not limit the width of the opening, but the sleeve 1 surrounds at least 50% of the peripheral length of the nut 4 in the circumferential direction, so as to ensure the sleeving and transmission effects of the sleeve 1 and the nut 4.

As shown in connection with fig. 8 and 9, the first plug 22 and the second plug 23 have outer ends 25 at the ends remote from the handle 21. Preferably, the outer end 25 extends in a direction perpendicular to the wall 13 into the cutout 11. In the present embodiment, the first plug 22 and the second plug 23 are engaged with the notch portions of the opposite wall plates 13, respectively. Such a wrench in this embodiment is referred to as a diagonal wrench, in which the outer ends 25 of the first and second plugs 22, 23 are parallel or in the same line.

As shown in fig. 9, the first plug 22 and the second plug 23 preferably include at least two bent portions 24, and a straight line segment after the last bent portion in the extending direction is an outer end portion 25. In the drawings, the first plug 22 and the second plug 23 extend outward from the handle 21 in the handle axial direction, and the relative distance increases after passing through the first bending portion 24, and the relative distance decreases after passing through the second bending portion 24. The design is convenient for the wrench to be clamped with the notch part of the sleeve. It is further preferred that the first plug 22 and the second plug 23 are symmetrically distributed with respect to the axial direction of the handle 21.

As shown in fig. 6 and 7, the wrench and socket are compact, making the installation tool of the present utility model particularly suitable for dense installation of glans heads in equipment housings. The diagonal wrench in this embodiment and the top angle wrench in embodiment 1 may be used in combination. When the densely distributed glans heads are fastened, the diagonal wrench of the embodiment can be preferentially used for being buckled on the sleeve, so that the glan head nut fastening is completed. When the angle of the glan nut is just at a special position so that the diagonal wrench cannot be smoothly buckled, the glan nut can be rotated by using the vertex angle wrench of embodiment 1, and the glan nut is fastened by using the diagonal wrench after the glan nut is rotated to a proper position.

According to the installation tool, two different types of wrenches are arranged, so that the installation tool is not influenced by a special space nut angle during fastening, and can be fastened in a normal clamping mode, and therefore the installation tool is high in universality.

In summary, from the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: 1. according to the mounting tool, the sleeve matched with the nut in shape and the wrench clamped with the sleeve are arranged, so that good clamping can be performed when the gram heads are densely mounted, and the requirement of gram head mounting moment is met when the nut is mounted. 2. According to the wrench, the shapes of the first plug and the second plug are designed, so that the wrench is convenient to clamp with the sleeve, and the installation process is convenient and easy to operate. 3. The installation tool provided by the utility model has the advantages that the adaptability to the installation position is strong by arranging the opening part of the sleeve, the risk of damaging the cable is avoided during installation, and the installation performance is reliable. 4. The installation tool disclosed by the utility model adopts different types of wrenches, so that the installation tool is not influenced by the angle of a special space nut during fastening, and can be fastened in a normal clamping way, thereby having strong universality. 5. According to the installation tool disclosed by the utility model, by arranging the wrench with the compact appearance, the rotation space required by the plug and the handle of the wrench in the installation process is small enough, so that the normal rotation of the wrench and the nut in the dense installation process is ensured, and the wrench and the nut are not on the same plane, so that the installation tool can also fasten the nut in the concave position.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A glan head installation tool for tightening a nut (4) of the glan head (3), comprising a sleeve (1), the sleeve (1) being matched with the shape of the nut (4), the end of the sleeve (1) having a plurality of notched portions (11), the notched portions (11) being distributed along the circumference of the sleeve (1);

the method is characterized in that: still include spanner (2), spanner (2) include first plug (22) and second plug (23), first plug (22) with at least part of second plug (23) with breach portion (11) block, first plug (22) with distance between second plug (23) increases earlier then reduces.

2. The installation tool of claim 1, wherein: the sleeve (1) comprises a plurality of wall plates (13), the sleeve (1) is formed by encircling the plurality of wall plates (13), and the plurality of notch parts (11) are respectively positioned on the plurality of wall plates (13).

3. The installation tool of claim 2, wherein: the wrench (2) further comprises a handle (21), the handle (21) is connected with the first plug (22) and the second plug (23), and the first plug (22) and the second plug (23) extend outwards from one end of the handle (21).

4. A mounting tool according to claim 3, wherein: the first plug (22) and the second plug (23) have an outer end (25) at an end remote from the handle (21), the outer end (25) extending in a direction perpendicular to the wall plate (13) into the notch (11).

5. The installation tool of claim 4, wherein: the first plug (22) and the second plug (23) comprise at least two folds (24).

6. The installation tool of claim 5, wherein: the first plug (22) and the second plug (23) are symmetrically distributed relative to the axial direction of the handle (21).

7. The installation tool according to any one of claims 2 to 6, wherein: an opening (12) is provided in the circumferential direction of the sleeve (1), and the opening (12) extends in the axial direction of the sleeve (1).

8. The installation tool of claim 7, wherein: the sleeve (1) circumferentially surrounds at least 50% of the outer circumference of the nut (4).

9. The installation tool of claim 8, wherein: the sleeve (1) is hexagonal in cross section at least in part, and comprises 4 or 5 wall panels (13).

10. The installation tool of claim 9, wherein: the first plug (22) and the second plug (23) are respectively engaged with the adjacent or opposite wall plates (13).