Heavy load connector housing tail end locking jig

Abstract

The utility model discloses a heavy load connector shell tail end locking jig relates to frock jig technical field, and this locking jig includes bakelite locating block and special spanner, and the bakelite locating block is fixed on the moving platform and is explored into the heavy load connector shell inside from below to top, and the bakelite locating block provides vertical lift, horizontal translation and horizontal torsion constraint for the heavy load connector shell, and the special spanner one end is covered in the hexagonal flange, and provides the accommodation for the thread section of hexagonal flange, and the other end of special spanner rotates and is connected with torque wrench. This jig can improve locking efficiency, avoid scratching shell, guarantee the consistency of batch rotation hexagonal flange locking force, and realize one person's operation.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, specifically a heavy-duty connector housing tail end locking fixture. Background Technology

[0002] Heavy-duty connector housings are widely used in industrial equipment, and these housings require locking and securing via hexagonal flanges. Currently, a standard wrench is typically used for tightening, but this method has the following drawbacks: 1. Low operating efficiency, requiring two people to complete the locking process, resulting in high labor costs; 2. Ordinary wrenches come into direct contact with hexagonal flanges, which can easily scratch the surface of heavy-duty connector housings, causing damage to the product's appearance and leading to customer complaints. 3. The lack of dedicated positioning tools makes the outer casing prone to shaking during the locking process, affecting the locking quality and consistency.

[0003] Therefore, there is a need to design a special locking fixture to solve the above problems. Summary of the Invention

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one objective of this utility model is to provide a heavy-duty connector housing tail end locking fixture, which can improve locking efficiency, avoid scratching the housing, ensure the consistency of the locking force for batch tightening of hexagonal flanges, and enable one-person operation.

[0005] To solve the above problems, this utility model provides a heavy-duty connector housing tail end locking fixture, wherein the heavy-duty connector housing is hollow inside, open at the bottom and threaded through to connect to a hexagonal flange at the top, wherein the inner wall of the heavy-duty connector housing is integrally formed with multiple inner ridges that are horizontally convex and vertically stepped, and the outer wall at the bottom opening of the heavy-duty connector housing is provided with bolt connecting lugs. The locking fixture includes a bakelite positioning block and a special wrench; The bakelite positioning block is fixed on the moving platform and extends into the heavy-duty connector housing from bottom to top. The bakelite positioning block provides vertical lifting, lateral translation and lateral torsion constraints for the heavy-duty connector housing. One end of the special wrench is fitted onto the hexagonal flange, providing clearance for the threaded section of the hexagonal flange; the other end of the special wrench is rotatably connected to a torque wrench.

[0006] Preferably, the bakelite positioning block includes a base plate, a stepped top block, and an inner support block integrally formed from bottom to top; the bottom of the base plate is fixed to the top surface of the moving platform, the top surface of the base plate is perpendicular to the bottom open edge of the heavy-duty connector housing, and the base plate is provided with screw holes for bolts to be inserted into the bolt connection lugs to fix the heavy-duty connector housing on the bakelite positioning block.

[0007] Preferably, the top surface of the stepped top block fits and supports the stepped surface of the inner edge on the inner wall of the heavy-duty connector housing.

[0008] Preferably, the inner support block is inserted into the interior of the heavy-duty connector housing from bottom to top, and the side wall of the inner support block slides vertically and is laterally constrained in conjunction with the inner wall of the heavy-duty connector housing and the side walls of multiple inner edges.

[0009] Preferably, the special wrench includes a main hexagon socket, a connecting rod, and a secondary hexagon socket, and also includes a torque wrench that provides rotational power to the secondary hexagon socket; the main hexagon socket and the secondary hexagon socket are coaxially fixed at both ends of the connecting rod, respectively.

[0010] Preferably, the open end of the main internal hexagonal sleeve is provided with an axially arranged stepped hole, the diameter of the opening end of the stepped hole being larger than the inner diameter of the stepped hole; the opening end of the stepped hole is an internal hexagonal hole and fits onto the outside of the outer hexagonal section of the hexagonal flange; the inside of the stepped hole is made into a round hole, which fits onto the outside of the threaded section of the hexagonal flange to provide thread clearance and coaxial constraint.

[0011] Preferably, the force output end of the torque wrench is coaxially inserted into the interior of the secondary internal hexagon socket.

[0012] The advantages of this utility model compared with the prior art are as follows: This utility model provides a heavy-duty connector housing tail-end locking fixture, which uses a bakelite positioning block with multiple constraint structure to stably fix the heavy-duty connector housing, simplifying the locking operation from two people to one person and significantly improving efficiency. The special wrench of this utility model avoids hard contact with the threaded section of the hexagonal flange through concave depth control, rounded corner design and clearance structure, fundamentally preventing scratches on the outer shell; The overall structure of this utility model is simple and reliable, suitable for mass production, and ensures the consistency of locking quality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a cross-sectional view of the working posture of this utility model; Figure 2 This is a three-dimensional structural diagram of the special wrench in this utility model; Figure 3 This is a three-dimensional structural diagram of the mobile platform in this utility model; Figure 4 This is a bottom-view perspective view of the heavy-duty connector housing of this utility model. In the diagram: 1-Torque wrench; 2-Secondary hex socket; 3-Connecting rod; 4-Main hex socket; 5-Hex flange; 6-Heavy-duty connector housing; 7-Inner edge; 8-Inner support block; 9-Stepped top block; 10-Base plate; 11-Bakelite positioning block; 12-Moving platform; 13-Bolt connection lug. Detailed Implementation

[0015] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0016] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0017] The present invention will now be described in further detail with reference to the accompanying drawings.

[0018] like Figure 1-4 As shown, this utility model provides a heavy-duty connector housing tail end locking fixture, wherein the heavy-duty connector housing 6 is hollow inside, open at the bottom and threaded through the hexagonal flange 5 at the top, wherein the inner wall of the heavy-duty connector housing has a series of horizontally protruding and vertically stepped inner ridges 7, and the outer wall at the bottom opening of the heavy-duty connector housing is provided with bolt connecting lugs 13. The locking fixture includes a bakelite positioning block 11 and a special wrench; The bakelite positioning block is fixed on the moving platform 12 and extends into the heavy-duty connector housing from bottom to top. The bakelite positioning block provides vertical lifting, lateral translation and lateral torsion constraints for the heavy-duty connector housing. One end of the special wrench is fitted onto the hexagonal flange and provides clearance for the threaded section of the hexagonal flange; the other end of the special wrench is rotated to constrain the torque wrench 1.

[0019] Preferably, the bakelite positioning block includes a base plate 10, a stepped top block 9, and an inner support block 8 integrally formed from bottom to top; the bottom of the base plate is fixed to the top surface of the moving platform, the top surface of the base plate is perpendicular to the bottom open edge of the heavy-duty connector housing, and the base plate is provided with screw holes for bolts to be inserted into the bolt connection ears to fix the heavy-duty connector housing on the bakelite positioning block.

[0020] Preferably, the top surface of the stepped top block fits and supports the stepped surface of the inner edge on the inner wall of the heavy-duty connector housing.

[0021] Preferably, the inner support block is inserted into the interior of the heavy-duty connector housing from bottom to top, and the side wall of the inner support block slides vertically and is laterally constrained in conjunction with the inner wall of the heavy-duty connector housing and the side walls of multiple inner edges.

[0022] Preferably, the special wrench includes a main hexagon socket 4, a connecting rod 3, and a secondary hexagon socket 2, and also includes a torque wrench that provides rotational power to the secondary hexagon socket; the main hexagon socket and the secondary hexagon socket are coaxially fixed at both ends of the connecting rod.

[0023] Preferably, the open end of the main internal hexagonal sleeve is provided with an axially arranged stepped hole, the diameter of the opening end of the stepped hole being larger than the inner diameter of the stepped hole; the opening end of the stepped hole is an internal hexagonal hole and fits onto the outside of the outer hexagonal section of the hexagonal flange; the inside of the stepped hole is made into a round hole, which fits onto the outside of the threaded section of the hexagonal flange to provide thread clearance and coaxial constraint.

[0024] Preferably, the force output end of the torque wrench is coaxially inserted into the interior of the secondary internal hexagon socket.

[0025] To more clearly illustrate the specific implementation of this utility model, an embodiment is provided below: This utility model relates to a heavy-duty connector housing tail end locking fixture: 1) Multiple bakelite positioning blocks are fixed on the mobile platform, with the structure as follows: Figure 3 As shown: 2) The bakelite positioning block includes a base plate, a stepped top block, and an inner support block, which are fixed from bottom to top. 3) The inner support block is inserted between the four screw posts (inner edges) inside the heavy-duty connector housing to provide horizontal constraint and limitation for the heavy-duty connector housing; the top surface of the stepped top block cooperates with the stepped surface at the bottom end of the screw posts (inner edges), and the side wall of the stepped top block slides with the inner wall of the open bottom of the heavy-duty connector housing to limit the downward limit position of the heavy-duty connector housing (i.e., vertical support); finally, the bottom surface of the heavy-duty connector housing is supported by the top surface of the base plate, and the heavy-duty connector housing is fixed to the base plate of the bakelite positioning block by bolts connected to the bolt lugs and bolts inserted into the bolt holes. This allows the bakelite positioning block to fix the heavy-duty connector housing, making it easy to lock. Previously, it required two people to lock, but now one person can perform the locking process of the hexagonal flange with a special locking wrench.

[0026] 4) The bottom raised bakelite positioning block has two screw holes, which are intended to avoid the bolts on the heavy-duty connector housing. The heavy-duty connector housing can also be fixed to the bakelite positioning block.

[0027] 5) The bottom of the mobile platform is equipped with multiple 60F wheels to facilitate platform movement.

[0028] Function of a special locking wrench: 1) The depth of the hexagonal hole in the special locking wrench is less than (2-3mm) the hexagonal flange on the heavy-duty connector housing, which can prevent scratching the housing of the heavy-duty connector housing during tightening. 2) The hexagonal hole of the special locking wrench has a rounded corner (R2.5mm) to prevent damage to the hexagonal flange on the heavy-duty connector housing.

[0029] 3) The special locking wrench also has a round (R20mm) recess (round hole) inside, which is intended to avoid the threads (R18mm) on the hexagonal flange on the heavy-duty connector housing. 4) The other end of the locking wrench is a universal machine wheel connecting rod, which can be used with the machine wheel wrench for locking.

[0030] Finally, any aspects of this utility model not fully described herein utilize existing mature products and technologies.

[0031] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A locking fixture for the tail end of a heavy-duty connector housing, wherein the heavy-duty connector housing is hollow inside, open at the bottom, and threaded through a hexagonal flange at the top; wherein the inner wall of the heavy-duty connector housing is integrally formed with multiple transversely protruding and vertically stepped inner ridges, and bolt lugs are provided on the outer wall at the bottom opening of the heavy-duty connector housing; characterized in that: The locking fixture includes a bakelite positioning block and a special wrench; The bakelite positioning block is fixed on the moving platform and extends into the heavy-duty connector housing from bottom to top. The bakelite positioning block provides vertical lifting, lateral translation and lateral torsion constraints for the heavy-duty connector housing. One end of the special wrench is fitted onto the hexagonal flange and provides clearance for the threaded section of the hexagonal flange; the other end of the special wrench is rotatably connected to a torque wrench.

2. The heavy-duty connector housing tail end locking fixture according to claim 1, characterized in that: The bakelite positioning block includes a base plate, a stepped top block, and an inner support block integrally formed from bottom to top; the bottom of the base plate is fixed to the top surface of the moving platform, the top surface of the base plate is perpendicular to the bottom open edge of the heavy-duty connector housing, and the base plate is provided with screw holes for bolts to be inserted into the bolt connection lugs to fix the heavy-duty connector housing on the bakelite positioning block.

3. A heavy-duty connector housing tail-end locking fixture according to claim 2, characterized in that: The top surface of the stepped top block is fitted and supported on the stepped surface of the inner edge of the heavy-duty connector housing.

4. A heavy-duty connector housing tail-end locking fixture according to claim 2, characterized in that: The inner support block is inserted into the interior of the heavy-duty connector housing from bottom to top, and the side wall of the inner support block slides vertically and is laterally constrained with the inner wall of the heavy-duty connector housing and the side walls of multiple inner edges.

5. A heavy-duty connector housing tail end locking fixture according to claim 1, characterized in that: The special wrench includes a main hexagon socket, a connecting rod, and a secondary hexagon socket, and also includes a torque wrench that provides rotational power to the secondary hexagon socket; the main hexagon socket and the secondary hexagon socket are coaxially fixed at both ends of the connecting rod.

6. A heavy-duty connector housing tail-end locking fixture according to claim 5, characterized in that: The open end of the main internal hexagonal sleeve is provided with an axially arranged stepped hole, the diameter of the opening end of the stepped hole being larger than the inner diameter of the stepped hole; the opening end of the stepped hole is an internal hexagonal hole and fits onto the outside of the outer hexagonal section of the hexagonal flange; the inside of the stepped hole is made into a round hole, which fits onto the outside of the threaded section of the hexagonal flange to provide thread clearance and coaxial constraint.

7. A heavy-duty connector housing tail-end locking fixture according to claim 5, characterized in that: The force output end of the torque wrench is coaxially inserted into the interior of the secondary hexagonal socket.

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