Transmission pin shaft for power distribution control equipment
By incorporating locking slides, locking blocks, and lubrication grooves on the main body of the pin, the problem of pin wear and detachment in the distribution cabinet is solved, thereby improving the stability and wear resistance of the pin and ensuring smooth opening and closing of the distribution cabinet door.
Patent Information
- Application Number
- CN202520500788.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The pins of the distribution cabinet are prone to wear and may come loose during long-term switching, affecting the stability of use.
A transmission pin for power distribution control equipment was designed. By setting a locking slide, locking block, compression spring and lubrication groove on the main body of the pin, the stability and wear resistance of the pin are increased.
It effectively improves the installation stability of the pin, reduces wear, avoids the risk of the pin coming off during long-term use, and improves the smoothness of opening and closing the distribution cabinet door.
Smart Images

Figure CN223922852U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transmission pin shaft technical field, more specifically, the utility model relates to a transmission pin shaft for distribution control equipment. BACKGROUND
[0002] The distribution control equipment, namely the power distribution cabinet, is the terminal equipment of the power distribution system. The power distribution cabinet is the general term of the motor control center. The power distribution cabinet is used in the occasion with relatively dispersed load and less return circuit; the motor control center is used in the occasion with concentrated load and more return circuit. They distribute the electric energy of a circuit of the power distribution equipment of the upper level to the nearby load. The equipment should provide protection, monitoring and control for the load.
[0003] At present, when the power distribution cabinet is used, the cabinet door needs to be frequently opened to overhaul and install the internal circuit and elements. The cabinet door and the main body of the power distribution cabinet are usually connected by a hinge. In the long-term opening and closing state, the hinge inside pin shaft is prone to wear and tear, and the pin shaft is also prone to disengagement from the hinge connection, thereby affecting the use of the power distribution cabinet. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a transmission pin shaft for distribution control equipment. The utility model solves the technical problem of how to increase the stability of the pin shaft body installation and reduce the wear of the pin shaft body.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transmission pin shaft for distribution control equipment, comprising a first rotating sleeve, a pin shaft body is arranged in the first rotating sleeve, a partition plate is arranged on the middle part of the outer end surface of the pin shaft body, a sliding pin sleeve is arranged on both sides of the partition plate of the outer end surface of the pin shaft body, and a locking sliding part is arranged on the outer side of one end of the pin shaft body.
[0006] A concave matching groove is arranged on the upper end of the locking sliding part, a locking clamping block is arranged in the concave matching groove, a lubricating groove is arranged in the sliding pin sleeve, and a supporting sliding block is arranged in the lubricating groove.
[0007] In a preferred embodiment, a locking clamping groove is arranged on one end of the pin shaft body, a sliding supporting pad is arranged on the abutting part of the partition plate and the sliding pin sleeve of the outer end surface of the pin shaft body.
[0008] In a preferred embodiment, a sealing supporting pad is arranged on the upper side of the sliding pin sleeve of the outer end surface of the pin shaft body, and a locking protruding block is arranged on the inner end surface of the locking clamping block.
[0009] In a preferred embodiment, a second rotating sleeve is arranged on the lower side of the partition plate of the outer end surface of the pin shaft body, and a connecting and mounting block is arranged on the outer end surface of the first rotating sleeve and the second rotating sleeve.
[0010] In a preferred embodiment, the end surface of the connecting mounting block is provided with a connecting mounting hole, and the end surface of the supporting sliding block is provided with a partition groove.
[0011] In a preferred embodiment, the outer end surface of the pin shaft body is provided with a compression spring between the locking sliding piece and the sealing support pad.
[0012] In a preferred embodiment, the outer end surface of the pin shaft body in the top view direction is matched with the inner end surface of the supporting sliding block and the sliding pin sleeve in the top view direction, and the outer end surface of the partition plate in the top view direction is matched with the outer end surface of the first rotating sleeve and the second rotating sleeve in the top view direction.
[0013] In a preferred embodiment, the outer end surface of the sliding pin sleeve in the top view direction is matched with the inner end surface of the first rotating sleeve and the second rotating sleeve in the top view direction.
[0014] In a preferred embodiment, the number of the locking sliding pieces is two, and the locking sliding pieces are arranged in a mirror image state on both sides of the transverse central axis of the pin shaft body in the front view direction, and the concave matching groove is arranged in an inclined state in the cross section in the front view direction.
[0015] In a preferred embodiment, the inner end surface of the concave matching groove is matched with the outer end surface of the locking clamping block, the locking clamping block is composed of two semicircular shapes, and the outer end surface of the locking protrusion is matched with the inner end surface of the locking clamping groove.
[0016] In a preferred embodiment, the number of the locking clamping grooves is two, and the locking clamping grooves are arranged in a mirror image state on both sides of the transverse central axis of the pin shaft body in the front view direction, and the sealing support pad is a metal material member.
[0017] The number of the supporting sliding blocks is multiple, and the supporting sliding blocks are arranged in an array state on both sides of the transverse central axis of the sliding pin sleeve in the front view direction, and the sliding support pad is a rubber material member.
[0018] The technical effects and advantages of the utility model are as follows:
[0019] In actual use, under the corresponding arrangement state of the compression spring, the locking sliding piece, the locking clamping block, the locking protrusion and the concave matching groove, the compression spring can push against the locking sliding piece, so that the concave matching groove is sleeved on the outer end surface of the locking clamping piece, so that the locking protrusion is locked in the inside of the locking clamping groove, thereby effectively increasing the stability of the sliding pin sleeve installation, thereby avoiding the pin shaft body from being worn by the power distribution cabinet door in the long-term opening and closing state, and effectively avoiding the pin shaft body from falling off from the inside of the first rotating sleeve and the second rotating sleeve in the long-term opening and closing state.
[0020] Meanwhile, in the corresponding setting state of the separation groove, the supporting sliding block and the lubricating groove, the smoothness of the power distribution cabinet door opening and closing can be effectively increased, and the wear of the pin shaft body is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a whole structure schematic view of the utility model.
[0022] Figure 2 It is a whole structure schematic view of the utility model.
[0023] Figure 3 It is a pin shaft body structure schematic view of the utility model.
[0024] Figure 4 It is a locking block structure schematic view of the utility model.
[0025] Figure 5 It is a sliding pin sleeve structure schematic view of the utility model.
[0026] The figure mark is: 1 first rotating sleeve, 2 connecting installation block, 3 second rotating sleeve, 4 locking sliding piece, 5 compression spring, 6 connecting installation hole, 7 pin shaft body, 8 separation plate, 9 sliding support pad, 10 sliding pin sleeve, 11 sealing support pad, 12 locking slot, 13 locking block, 14 locking convex block, 15 concave adaptation slot, 16 separation groove, 17 supporting sliding block, 18 lubricating groove. DETAILED DESCRIPTION
[0027] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these example implementations are provided so that this disclosure will be thorough and complete, and will fully convey the inventive concept to those skilled in the art. The accompanying drawings are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this disclosure. The drawings are not intended to be restrictive in any way.
[0028] The utility model provides a kind of transmission pin shaft for power distribution control equipment, as shown in Figure 1 And 2 As shown, including including first rotating sleeve 1, its inside is equipped with pin shaft body 7, the middle part of the outer end surface of pin shaft body 7 is equipped with separation plate 8, the outer end surface of pin shaft body 7 is equipped with sliding pin sleeve 10 on the both sides of separation plate 8;
[0029] The outer side of one end of pin shaft body 7 is equipped with locking sliding piece 4, the outer end surface of pin shaft body 7 is equipped with sliding support pad 9 at the place where separation plate 8 and sliding pin sleeve 10 are attached, the outer end surface of pin shaft body 7 is equipped with sealing support pad 11 on the upside of sliding pin sleeve 10;
[0030] The outer end surface of the pin shaft body 7 is provided with a second rotating sleeve 3 below the partition plate 8, the outer end surfaces of the first rotating sleeve 1 and the second rotating sleeve 3 are provided with a connecting mounting block 2, the end surface of the connecting mounting block 2 is provided with a connecting mounting hole 6, the connecting mounting block 2 and the second rotating sleeve 3 are correspondingly mounted on one side of the power distribution cabinet and the cabinet door through the connecting mounting hole 6 by the worker, then the worker pours lubricating oil into the inside of the lubricating groove 18, the worker installs the sliding support pad 9 on both sides of the partition plate 8, then the worker can install the sliding pin sleeve 10 on both ends of the pin shaft body 7, and inserts the pin shaft body 7 into the inside of the second rotating sleeve 3, and the first rotating sleeve 1 installed on one side of the power distribution cabinet door is sleeved on the outer end surface of the pin shaft body 7, the outer end surface of the pin shaft body 7 is provided with a compression spring 5 between the locking sliding piece 4 and the sealing support pad 11;
[0031] The outer end surface of the partition plate 8 in the top view direction is matched with the outer end surfaces of the first rotating sleeve 1 and the second rotating sleeve 3 in the top view direction, and the outer end surface of the sliding pin sleeve 10 in the top view direction is matched with the inner end surfaces of the first rotating sleeve 1 and the second rotating sleeve 3 in the top view direction.
[0032] The number of the locking sliding pieces 4 is two, and they are arranged in a mirror image state on both sides of the transverse central axis of the pin shaft body 7 in the front view direction, the sealing support pad 11 is a metal material member, and the sliding support pad 9 is a rubber material member.
[0033] As shown in Figure 3 , 4 and 5, the upper end of the locking sliding piece 4 is provided with a concave matching groove 15, the inside of the concave matching groove 15 is provided with a locking clamping block 13, the inside of the sliding pin sleeve 10 is provided with a lubricating groove 18, and the inside of the lubricating groove 18 is provided with a supporting sliding block 17.
[0034] One end of the pin shaft body 7 is provided with a locking clamping groove 12, the inner end surface of the locking clamping block 13 is provided with a locking protruding block 14, and the end surface of the supporting sliding block 17 is provided with a partition groove 16, and the outer end surface of the pin shaft body 7 in the top view direction is matched with the inner end surfaces of the supporting sliding block 17 and the sliding pin sleeve 10 in the top view direction.
[0035] The concave fitting groove 15 is arranged in an inclined state in the cross section of the front view, the inner end face of the concave fitting groove 15 is adapted to the outer end face of the locking clamping block 13, the locking clamping block 13 is composed of two semicircular shapes, after the pin shaft body 7 is installed, the staff puts the compression spring on the outer end of the locking clamping groove 12, then the staff can put the locking sliding piece 4 on the outer end face of the locking clamping groove 12, and the compression spring is compressed inward, then the two semicircular locking clamping blocks 13 are clamped on the outer end face of the locking clamping groove 12, then the locking sliding piece 4 is released, the compression spring 5 pushes the locking sliding piece 4 outward, so that the concave fitting groove 15 is sleeved on the outer end face of the concave fitting groove 13, so that the locking clamping block 13 is stably locked on the outer end face of the locking clamping groove 12.
[0036] The outer end face of the locking protrusion 14 is adapted to the inner end face of the locking clamping groove 12, the number of the supporting sliding blocks 17 is multiple, and the supporting sliding blocks 17 are arranged in an array state on both sides of the transverse center axis of the sliding pin sleeve 10 in the front view.
[0037] Finally, it should be pointed out that the utility model discloses the drawings in the embodiment, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;
[0038] The above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A transmission pin for power distribution control equipment, characterized in that, include: The first rotating sleeve (1) has a pin body (7) inside. The middle part of the outer end face of the pin body (7) is provided with a partition plate (8). The outer end face of the pin body (7) is provided with sliding pin sleeves (10) on both sides of the partition plate (8). The outer side of one end of the pin body (7) is provided with a locking slide (4). The upper end of the locking slide (4) is provided with a concave adapter groove (15), and the interior of the concave adapter groove (15) is provided with a locking block (13). The interior of the sliding pin sleeve (10) is provided with a lubrication groove (18), and the interior of the lubrication groove (18) is provided with a support slider (17).
2. The transmission pin shaft for power distribution control equipment according to claim 1, characterized in that: One end of the pin body (7) is provided with a locking groove (12), and the outer end face of the pin body (7) is provided with a sliding support pad (9) at the contact point between the partition plate (8) and the sliding pin sleeve (10).
3. A transmission pin for power distribution control equipment according to claim 2, characterized in that: The outer end face of the pin body (7) is provided with a sealing support pad (11) on the upper side of the sliding pin sleeve (10), and the inner end face of the locking block (13) is provided with a locking protrusion (14).
4. A transmission pin for power distribution control equipment according to claim 3, characterized in that: The outer end face of the pin body (7) is provided with a second rotating sleeve (3) on the lower side of the partition plate (8), and the outer end faces of the first rotating sleeve (1) and the second rotating sleeve (3) are both provided with connecting mounting blocks (2).
5. A transmission pin for power distribution control equipment according to claim 4, characterized in that: The end face of the connecting mounting block (2) is provided with a connecting mounting hole (6), and the end face of the supporting slider (17) is provided with a partition groove (16).
6. A transmission pin for power distribution control equipment according to claim 3, characterized in that: A compression spring (5) is provided on the outer end face of the pin body (7) between the locking slide (4) and the sealing support pad (11).