TWI725881B - Insulated post structure - Google Patents

Abstract

An insulating post structure has a body covered with an insulating layer, and an extension section not covered by the insulating layer is formed at one end of the body. A push rod that is displaced in the axial direction to push against a latch, an inner ring sleeve is used to sleeve the extension section, and a connecting piece connects the inner ring sleeve with the push rod. The outer circumference of the inner ring sleeve is formed with an insert Groove, and the two ends of the embedding groove along the axial direction respectively have a first locking surface and a second locking surface, and an outer ring sleeve is used to sleeve the inner ring sleeve, and the outer ring sleeve is formed with The first detent portion that can be mated to the first detent surface and a second detent portion that can be mated to the second detent surface, so that the outer ring sleeve can be combined with the inner ring sleeve, by This can correspond to the extended section to avoid the risk of electric shock when working on electrical occasions.

Description

Insulated post structure

The present invention is related to post tools, and in particular refers to an insulated post structure that can surely avoid the risk of electric shock when working on electrical occasions.

Generally, bolts or nut screw components are widely used in various assembly occasions because of their fast locking or release function. In order to meet various assembly requirements, usually a post tool is used to Socket sleeves of different sizes to improve the convenience of use.

However, in order to provide sufficient torque requirements, general extension tools are usually made of metal materials. However, many processing and maintenance operations are performed on electrical equipment or in electromechanical places. In such electrical occasions , The post tool made of metal is like a conductor. If there is an electric leakage at the place of application, the post tool made of metal will conduct the current instantly, which may easily lead to the danger of electric shock.

In view of this, how to solve the above-mentioned problems is the primary problem to be solved by the present invention.

The main purpose of the present invention is to provide an insulating post structure, which has the effect of reliably avoiding the risk of electric shock when working in an electrical field.

To achieve the foregoing objective, the present invention provides an insulating post structure, which includes: A body, the surface of which is covered with an insulating layer, and an extension section not covered by the insulating layer is formed at one end of the body. The extension end of the extension section is formed with a set of joints, and one side of the set of joints is provided A locking member capable of lateral displacement, and a push rod capable of axial displacement is penetrated inside the assembly portion, the first end of the push rod can be pushed against the locking member, and the second end of the push rod A set of holes is opened, and a sliding groove arranged opposite to the set of holes is opened in the extension section; An inner ring sleeve is made of insulating material and sleeved on the extension. The inner ring sleeve is provided with a perforation, and a connecting piece is simultaneously inserted through the perforation, the sliding groove and the assembly hole, so that the The inner ring sleeve can be connected to the push rod, and an embedding groove is formed on the outer circumferential surface of the inner ring sleeve, and the two ends of the embedding groove in the axial direction respectively have a first locking surface and a second locking surface ； An outer ring sleeve made of insulating material, and used to sleeve the inner ring sleeve to cover the inner ring sleeve, and the outer ring sleeve is formed on the inner peripheral surface of the embedding groove corresponding to the The first latching portion of the first latching surface and a second latching portion that can be correspondingly latched to the second latching surface enable the outer ring sleeve to be combined with the inner ring sleeve.

Preferably, when the inner ring is sleeved on the extension section, there is still an exposed portion between the extension section and the assembly portion that is not covered by the inner ring sleeve, and the outer ring is sleeved on the sleeve When the inner ring sleeve is reached, one end of the outer ring sleeve facing the assembling portion can correspond to shield the exposed portion, and a protective sleeve made of insulating material is sleeved on the exposed portion.

Preferably, the inner ring sleeve has a head end facing the assembling portion and a tail end opposite to the head end, and the embedding groove arranged in the circumferential direction is recessed between the head end and the tail end. , The first locking surface is formed at the junction of the embedding groove and the head end, the second locking surface is formed at the junction of the embedding groove and the tail end, and the inner ring is sleeved to the extension When the section is on, the tail end is extended to cover the insulating layer.

And further, the outer peripheral surface of the head end has a cut plane facing the assembly part, and an inclined surface facing the embedding groove and connected with the cut plane, and the first locking part of the outer ring sleeve It is composed of at least one push block, the push block has a downwardly tapered guide inclined surface, and when the outer ring sleeve is relatively sleeved on the inner ring sleeve, the guide inclined surface of the push block opposes along After stepping on the cut plane and crossing the inclined surface, the pushing block can be introduced into the insertion groove, and the upper end of the pushing block is relatively abutted on the first locking surface, and The outer ring sleeve has a first body that can cover the head end and the groove at the same time, and a second body that can cover the tail end and expands outward relative to the first body. The inner peripheral surface where a body part and the second body part are connected is formed with a stepped second locking part which can relatively abut on the second locking surface.

It is not difficult to obtain an in-depth understanding of the above-mentioned objectives and advantages of the present invention from the detailed description of the selected embodiments and the accompanying drawings.

First, please refer to Figures 1 to 3, which is an insulating post structure provided by the present invention, which is mainly composed of a body 11, an inner ring sleeve 21 and an outer ring sleeve 31, in which:

The main body 11 is integrally made of a metal material and made into a long rod shape, and is covered with an insulating layer 12 made of plastic or rubber material on its surface, and the main body 11 extends axially at one end to form a non-insulating layer 12 The extended section 13 is covered. The extended end of the extended section 13 is formed with a column-shaped assembling portion 14 for socketing working tools (such as sleeves), and the other end of the body 11 is formed with a socketable Connect to the socket groove 15 of a driving tool (such as a pneumatic gun). In this embodiment, one side of the assembling portion 14 is provided with a latch 16 capable of lateral displacement, and the assembling portion 14 is penetrated with a push rod 17 that can be displaced in the axial direction. The push rod 17 The first end 171 of the push rod 17 can be pushed against the latching member 16, and the second end 172 of the push rod 17 extends to the inside of the extension section 13 and relatively springs against an elastic member 18. The second end 172 A set of holes 173 is formed on the upper side, and a sliding groove 131 is formed on one side of the extension section 13 opposite to the set of holes 173.

The inner ring sleeve 21 is made of insulating material (such as plastic or rubber) and made into a hollow cylindrical shape, and is used to sleeve the extension section 13, and the inner ring sleeve 21 is provided with a perforation 22, and a connecting piece 23 is used at the same time Pass through the perforation 22, the sliding groove 131 and the assembly hole 173, so that the inner ring sleeve 21 and the push rod 17 can be connected to each other, and by pushing the inner ring sleeve 21 along the axis of the extension section 13 The inner ring sleeve 21 can slide the connecting member 23 along the sliding groove 131 and synchronously drive the displacement of the push rod 17 so that the inner ring sleeve 21 can be pushed against the card. The button 16 is used to quickly lock or release the quick release function of working tools (such as sleeves), wherein the connecting member 23 can be formed by a metal screw or a bayonet, and the inner ring sleeve An embedding groove 24 is formed on the outer peripheral surface of 21, and the two ends of the embedding groove 24 in the axial direction respectively have a first locking surface 241 and a second locking surface 242. In this embodiment, the inner ring sleeve 21 has a head end 211 facing the assembling portion 14 and a tail end 212 opposite to the head end 211. The perforation 22 is opened on the head end 211, and the head end 211 and the tail end 212 are recessedly formed with the embedding groove 24 arranged in the circumferential direction, the first locking surface 241 is formed at the junction of the embedding groove 24 and the head end 211, the embedding groove 24 and the The junction of the tail end 212 is formed with the second locking surface 242, and the outer peripheral surface of the head end 211 has at least one cut surface 25 facing the assembly portion 14, and at least one facing the embedding groove 24 and connected to the When the cut surface 25 is connected to the inclined surface 26, and the inner ring sleeve 21 is sleeved on the extension section 13, the tail end 212 extends to cover the insulating layer 12.

The outer ring sleeve 31 is also made of insulating material and made into a hollow cylindrical shape, and is used to sleeve and cover the inner ring sleeve 21, and the outer ring sleeve 31 is formed on the inner peripheral surface of the groove 24 to correspond to The first latching portion 32 that is latched to the first latching surface 241, and a second latching portion 33 that can be correspondingly latched to the second latching surface 242, so that the outer ring sleeve 31 can interact with the inner ring sleeve 31 The ring sleeve 21 is joined together. Wherein, the first locking portion 32 of the outer ring sleeve 31 is composed of at least one push block. In this embodiment, two opposite sides of the inner circumferential surface of the outer ring sleeve 31 are respectively provided with a push block. , The pushing block has a downwardly tapering guide inclined surface 321, and when the outer ring sleeve 31 is relatively sleeved on the inner ring sleeve 21 from top to bottom, the guide inclined surface 321 of the pushing block It can be relatively along the cut plane 25 and over the inclined surface 26, the pushing block can be introduced into the insertion groove 24, and the upper end side 322 of the pushing block is relatively abutted against the first On a latching surface 241, and the outer ring sleeve 31 has a first body 311 that can cover the head end 211 of the inner ring sleeve 21 and the embedding groove 24 at the same time, and a first body portion 311 that can cover the inner ring sleeve 21 The rear end 212 and the second body portion 312 expanded outwardly relative to the first body portion 311, the first latching portion 32 (that is, the pushing block) is located on the inner peripheral surface of the first body portion 311, and is located on the inner peripheral surface of the first body 311. On the inner peripheral surface where the first body portion 311 and the second body portion 312 are connected, a stepped second latching portion 33 is formed along the circumferential direction and can be relatively abutted on the second latching surface 242, thereby When the outer ring sleeve 31 is relatively sleeved on the inner ring sleeve 21, it can be blocked by the first locking surface 241 of the embedding groove 24 upwards, and can be stopped by the second locking surface of the embedding groove 24 downwards 242 stop, in addition to ensuring that the outer ring sleeve 31 can be firmly combined with the inner ring sleeve 21 without detaching, when the user pushes the outer ring sleeve 31 along the axial displacement, it can be synchronized Pushing the inner ring sleeve 21, the connecting piece 23 and the push rod 17 to move, and then achieve the function of quickly locking or releasing the working tool.

Furthermore, when the inner ring sleeve 21 is sleeved on the extension section 13, there is still an exposed portion 132 between the extension section 13 and the assembling portion 14 that is not covered by the inner ring sleeve 21, and the When the outer ring sleeve 31 is sleeved on the inner ring sleeve 21, one end of the outer ring sleeve 31 facing the assembling portion 14 can cover the exposed portion 132 correspondingly, and the exposed portion 132 is further provided with a wire The protective cover 41 is made of insulating material, and the protective cover 41 is positioned on the exposed portion 132 with its inner peripheral surface relative to the loop, so as to cover the exposed portion 132 correspondingly.

Then please continue to match as shown in Figures 3 and 4. After the present invention combines the inner ring sleeve 21 with the push rod 17 through the connecting piece 23, the outer ring sleeve 31 is relatively sleeved on the inner ring sleeve 21 In order to prevent the connecting member 23 from being exposed and causing electric shock, and since the inner ring sleeve 21 is made of insulating material, it can also ensure that the exposed lower end surface is not There is a possibility of electrical conduction. In the actual operation and use of the insulating post structure provided by the present invention, as shown in Figure 5, when the user pushes the outer ring sleeve 31 with force to synchronously link the inner ring sleeve 21 and the push rod 17 to move downwards At this time, although the outer ring sleeve 31 and the inner ring sleeve 21 will move downward at the same time, because the protective sleeve 41 is positioned at the exposed portion 132 between the extension section 13 and the assembly portion 14 relative to the loop. Therefore, even if the outer ring sleeve 31 and the inner ring sleeve 21 are displaced downward due to the force, the protective sleeve 41 will not move with the outer ring sleeve 31 and the inner ring sleeve 21, and can then be Under the premise of affecting the quick-release function of the post, it can still be ensured that the exposed portion 132 of the extension section 13 will not be exposed due to actual operation and use, and it has the effect of avoiding the risk of electric shock when working in an electrical field.

In addition, when the outer ring sleeve 31 of the present invention is relatively sleeved on the inner ring sleeve 21, the inclined guide surface 321 of the first latching portion 32 of the present invention is relatively along the cut plane 25 and crosses the inclined surface 26, that is, The first latching portion 32 formed by the pushing block can be smoothly introduced into the embedding groove 24. In addition to the advantages of easy assembly and convenience, the outer ring sleeve 31 can be relatively sleeved on the inner ring sleeve. After 21 is up, the outer ring sleeve 31 can be stopped by the first locking surface 241 of the embedding groove 24 upwards, and can be stopped by the second locking surface 242 of the embedding groove 24 downwards, which not only ensures its The stability of the sleeve will not cause the problem of detachment, and it can also ensure the transmission reliability when the outer ring sleeve 31 drives the inner ring sleeve 21 to move.

However, the disclosure of the above embodiments is only used to illustrate the present invention, not to limit the present invention. Therefore, all changes in numerical values or replacement of equivalent elements should still belong to the scope of the present invention.

To sum up, when people who are familiar with this technique can understand that this invention can clearly achieve the aforementioned purpose, it has actually complied with the provisions of the Patent Law, so they file an application in accordance with the law.

11: body 12: Insulation layer 13: Extension 131: Chute 132: Exposed 14: Assembly Department 15: Socket slot 16: Card switch 17: putter 171: first end 172: second end 173: Assembled Hole 18: Elastic part 21: inner ring sleeve 211: head end 212: end 22: Piercing 23: Connector 24: Insert slot 241: The First Card 242: The Second Card 25: Plane cut 26: Inclined surface 31: Outer ring sleeve 311: The First Body 312: The Second Body 32: The first card switch 33: The second card switch 321: Guide slope 322: end side 41: protective cover

Figure 1 is a schematic view of the three-dimensional appearance of the present invention. Figure 2 is an exploded schematic diagram of the present invention. Figure 3 is a schematic cross-sectional view of the assembled structure of the present invention. Figure 4 is a schematic diagram of the use state of the present invention to show the state when the outer ring sleeve is not moved. Figure 5 is a schematic diagram of the use state of the present invention to show the state when the outer ring sleeve is moved.

11: body

12: Insulation layer

14: Assembly Department

16: Card switch

17: putter

31: Outer ring sleeve

311: The First Body

312: The Second Body

41: protective cover

Claims (6)

An insulating post structure, including: A body, the surface of which is covered with an insulating layer, and an extension section not covered by the insulating layer is formed at one end of the body. The extension end of the extension section is formed with a set of joints, and one side of the set of joints is provided A locking member capable of lateral displacement, and a push rod capable of axial displacement is penetrated inside the assembly portion, the first end of the push rod can be pushed against the locking member, and the second end of the push rod A set of holes is opened, and a sliding groove arranged opposite to the set of holes is opened in the extension section; An inner ring sleeve is made of insulating material and sleeved on the extension. The inner ring sleeve is provided with a perforation, and a connecting piece is simultaneously inserted through the perforation, the sliding groove and the assembly hole, so that the The inner ring sleeve can be connected to the push rod, and an embedding groove is formed on the outer circumferential surface of the inner ring sleeve, and the two ends of the embedding groove in the axial direction respectively have a first locking surface and a second locking surface ； An outer ring sleeve is made of insulating material and is used to cover the inner ring sleeve, and the outer ring sleeve is formed on the inner peripheral surface of the embedding groove corresponding to the first latch The first latching part of the surface and a second latching part that can be correspondingly snapped against the second latching surface, so that the outer ring sleeve can be combined with the inner ring sleeve. The insulating post structure according to claim 1, wherein when the inner ring is sleeved on the extension section, there is still an exposed portion between the extension section and the assembly portion that is not covered by the inner ring sleeve When the outer ring sleeve is sleeved to the inner ring sleeve, one end of the outer ring sleeve facing the assembling portion can cover the exposed portion, and the exposed portion is covered with an insulating material The protective sleeve is positioned on the exposed portion with its inner peripheral surface relative to the loop to cover the exposed portion. The insulating post structure according to claim 1, wherein the inner ring sleeve has a head end facing the assembly portion and a tail end opposite to the head end, and the head end and the tail end are concave The embedding groove arranged in the circumferential direction is formed, the first locking surface is formed at the junction of the embedding groove and the head end, and the second locking surface is formed at the junction of the embedding groove and the tail end, and When the inner ring is sleeved on the extension section, the tail end is extended to cover the insulating layer. The insulating post structure according to claim 3, wherein the outer peripheral surface of the head end has a cut plane facing the assembly part, and an inclined surface facing the insertion groove and in contact with the cut plane, and the The first locking portion of the outer ring sleeve is composed of at least one push block, the push block has a downwardly tapering guide slope, and when the outer ring sleeve is relatively sleeved on the inner ring sleeve, by After the inclined guide surface of the push block is relatively along the cut plane and crosses the inclined surface, the push block can be guided into the insertion groove and abut against the upper end side of the push block. The first card switch surface. The insulating post structure according to claim 3, wherein the outer ring sleeve has a first body that can cover the head end and the groove at the same time, and a body that can cover the tail end and is opposite to the first body. The second body part expanded outwardly, and the inner peripheral surface of the first body part and the second body part is formed in a stepped shape and can relatively abut the second body part on the second locking surface. Second card control department. The insulating post structure according to claim 1, wherein the connecting member is composed of a screw member or a bayonet.

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